WO2006107355A1 - Electrical connector with cooling features - Google Patents

Electrical connector with cooling features Download PDF

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Publication number
WO2006107355A1
WO2006107355A1 PCT/US2005/046046 US2005046046W WO2006107355A1 WO 2006107355 A1 WO2006107355 A1 WO 2006107355A1 US 2005046046 W US2005046046 W US 2005046046W WO 2006107355 A1 WO2006107355 A1 WO 2006107355A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
electrical
electrical conductor
connector
electrical connector
Prior art date
Application number
PCT/US2005/046046
Other languages
French (fr)
Inventor
Wilfred Swain
Original Assignee
Fci Americas Technology, Inc.
Fci
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fci Americas Technology, Inc., Fci filed Critical Fci Americas Technology, Inc.
Priority to CN2005800493563A priority Critical patent/CN101151771B/en
Priority to MX2007011529A priority patent/MX2007011529A/en
Publication of WO2006107355A1 publication Critical patent/WO2006107355A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB

Definitions

  • the present invention relates generally to electrical connectors. More specifically, the invention relates to a connector for transmitting electrical power and having features that permit air to circulate through the connector.
  • Connectors used to transmit power can include one or more electrically- conductive plates or blades disposed in an electrically-insulating housing.
  • the plates or blades can be relatively large, and may require lateral support in the form of ribs or like structure formed in the housing.
  • the support ribs typically contact multiple locations on the plate or blade.
  • the support ribs, and-other structure within the housing can inhibit circulation of air within the housing, and can form pockets of trapped air in direct contact with the conductor.
  • the air and the housing are thermally insulating. Hence, the presence of stagnant air within the housing can allow heat to build up within the connector, and cause the connector to operate at relatively high temperatures.
  • Excessive heating of a connector can limit the amount of power that can be transmitted through the connector.
  • operating a connector at high temperatures can potentially reduce the reliability and service life of the connector.
  • high operating temperatures may require that the connector be spaced from other components by a greater distance than otherwise would be required, i.e., high operating temperatures can increase the overall footprint of a connector.
  • the present invention is directed to an electrical connector comprising an electrical conductor for transmitting electrical power, and a housing.
  • the electrical conductor is mounted in the housing so that the housing and the electrical conductor define a channel for circulating airflow through the housing and along a surface of the electrical conductor.
  • an electrical connector comprises an electrical conductor for conducting electrical power.
  • the electrical conductor comprises a major portion, a tail extending from the major portion for establishing electrical contact with a substrate, and a contact beam extending from the major portion.
  • the connector also comprises a housing defining a cavity for receiving the major portion so that the tail extends from a bottom of the housing. The cavity is in fluid communication with the ambient environment by way of openings defined in the bottom and a top of housing so that ambient air can circulate over the major portion in response to heating of the electrical conductor.
  • FIG. 1 is a rear perspective view of a preferred embodiment of an electrical connector
  • FIG. 2 is a front perspective view of the electrical connector shown in Fig. 1;
  • FIG. 3 is another rear perspective view of the electrical connector shown in Figs. 1 and 2;
  • FIG. 4 is a bottom perspective view of the electrical connector shown in Figs. 1-3;
  • FIG. 5 is a side view of the electrical connector shown in Figs. 1-4, mounted on a substrate;
  • Fig. 6 is a rear view of a conductor of the electrical connector shown in Figs. 1-5;
  • FIG. 7 is a top perspective view of another preferred embodiment of an electrical connector
  • FIG. 8 is a bottom perspective view of the electrical connector shown in Fig. 7;
  • FIG. 9 is a side view of the electrical connector shown in Figs. 7 and
  • Fig. 10 is a top view of a conductor of the electrical connector shown in Figs. 7-9.
  • Figures 1 to 5 depict a preferred embodiment of an electrical connector 10.
  • the figures a each referenced to a common coordinate system 11.
  • Directional terms such as “top,” bottom,” “vertical,” horizontal,” “above,” “below,” etc., are used herein with reference to the component orientations depicted in Figure 5. These terms are used for exemplary purposes only, and are not intended to limit the scope of the appended claims.
  • the connector 10 can be mounted on a substrate 12, as depicted in Figure 5.
  • the connector 10 comprises a housing 14.
  • the connector 10 also comprises a first conductor 16 and a second conductor 18 mounted in the housing 14.
  • the first conductor 16 and the second conductor 18 are substantially identical, with the exception that the first and second conductors 16, 18 are configured in a left and right hand configuration. In other words, the first and second conductors 16, 18 are symmetrically disposed about a vertically-oriented plane passing through the center of the connector 10.
  • Alternative embodiments of the electrical connector 10 can include conductors that are not substantially identical, and are not symmetrically disposed in the above-noted manner.
  • the first and second conductors 16, 18 each comprise a major portion in the form of a substantially flat plate 20.
  • the first and second conductors 16, 18 are mounted in the housing 14 so that the plates 20 of the first and second conductors 16, 18 abut, as depicted in Figures 1-4.
  • Each of the first and second conductors 16, 18 also comprises a plurality of contact beams 24 extending from a forward edge of the corresponding plate 20, for mating with a contact, such as a contact blade, of another electrical device such as a second electrical connector (not shown).
  • Each of the first and second conductors 16, 18 also comprises a plurality of solder tails 26 extending from a bottom edge of the corresponding plate 20, for mounting the connector 10 on the substrate 12.
  • Each solder tail 26 includes a substantially S-shaped portion 26a that adjoins the corresponding plate 20. The portion 26a offsets the remainder of the contact 26 from the corresponding plate 20, as shown in Figures 1 and 3.
  • Alternative embodiments can include press-fit tails, or other types of tails in lieu of the solder tails 26.
  • the first and second conductors 16, 18 can conduct power between the substrate 12 and the second electrical connector when the connector 10 is mounted on the substrate 12 and mated with the second electrical connector.
  • Each plate 20 includes a curved portion 28.
  • Each of the curved portions 28 forms an upper end of the corresponding first or second conductor 16, 18, and extends through an arc of approximately ninety degrees. The tops of the first and second conductors 16, 18 thus flare outward as shown, for example, in Figure 3.
  • the curved portions 28 each have a continuous outer edge 28a, as shown in
  • first and second conductors 16, 18 can include outer edges that are not continuous.
  • Each curved portion 28 has a plurality of perforations, or slots 30 formed therein.
  • the slots 30 preferably extend between a first position proximate the corresponding plate 20, and a second position proximate the corresponding outer edge 28a as shown, for example, in Figure 1.
  • the housing 14 is formed from an electrically-insulating material such as plastic.
  • the housing 14 includes a first side portion 34, a second side portion 36, a top portion 38, and a bottom portion 40.
  • the top and bottom portions 38, 40 each adjoin the first and second side portions 34, 36.
  • the first side portion 34, second side portion 36, top portion 38, and bottom portion 40 define a cavity 45 within the housing 14, as shown in Figures 1, 3, and 4.
  • the forward and rearward ends of the cavity 45 are open, to facilitate insertion of the first and second conductors 16, 18.
  • the housing 14 also includes an upper mating shroud 46 extending from the top portion 38 of the housing 14, and a lower mating shroud 48 extending from the bottom portion 40.
  • the housing 14 further includes standoffs 49 that cause the bottom portion 40 of the housing 14 to be spaced from the substrate 12, as shown in Figure 5. In other words, a gap 51 exists between a bottom surface 40a of the bottom portion 40 and the substrate 12 when the connector 10 is mounted on the substrate 12.
  • the first side portion 34 and the top portion 38 define a retaining feature in the form of a slot, or groove 52, as shown in Figures 1 and 3.
  • the second side portion 36 and the top portion 38 define another of the grooves 52.
  • the grooves 52 each extend longitudinally, i.e., in the "x" direction.
  • the top portion 38 has an opening 53 formed therein, as shown in Figures 1 to 3.
  • the opening 53 extends longitudinally, between a first position proximate the rearward end of the top portion 38, and a second position proximate the forward end of the top portion 38.
  • the bottom portion 40 has an opening 54 formed therein, as shown in
  • the opening 54 has a center portion 54a that extends longitudinally, between the forward and rearward ends of the bottom portion 40.
  • the portion of the housing 14 that defines the center portion 54a is contoured to substantially match the shape of the solder tails 26, as shown in Figure 1.
  • the upper end of the center portion 54a therefore is relatively narrow, while the bottom end is relatively wide.
  • the opening 54 also includes side portions 54b. Each of the side portions
  • first and second conductors 16, 18 are inserted into the housing 14 from the rearward end thereof, i.e., the first and second conductors 16, 18 are inserted into the housing 14 in the "+x" direction.
  • the plates 20 of the first and second conductors 16, 18 become disposed in the cavity 45 as the first and second conductors 16, 18 are inserted into the housing 14. Moreover, the outer edges 28a of the curved portions 28 of the first and second conductors 16, 18 each enter a respective one of the grooves 52 as the first and second conductors 16, 18 are inserted.
  • the grooves 52 help to guide the first and second conductors 16, 18 into the housing 14.
  • the solder tails 24 are accommodated by the center portion 54a of the opening 54 as the first and second conductors 16, 18 are inserted.
  • the grooves 52 are sized so that the outer edge 28a of the associated curved portion 28 fits snugly therein. This feature helps to retain the first and second conductors 16, 18 in the housing 14, i.e., the noted feature can help prevent the first and second conductors 16, 18 from backing out of the housing 14. The engagement of the outer edges 28a by the housing 14 also helps to restrain the first and second conductors 16, 18 laterally and vertically in relation to the housing 14.
  • solder tails 26 extend downward from the housing 14 when the first and second conductors 14, 16 are positioned within the housing 14.
  • the solder tails 26 are received in through holes formed in the substrate 12, and establish electrical contact between the connector 10 and the substrate 12.
  • the connector 10 includes features that can facilitate circulation of air through the connector 10. These features thereby help to cool the connector 10, and prevent heated air from being trapped within the connector 10.
  • the first side portion 34 of the housing 14 and the plate 20 of the first conductor 16 define a channel 60 that extends between the top and bottom portions 38, 40, as shown in Figures 1, 3, and 4.
  • the second side portion 36 of the housing 14 and the plate 20 of the second conductor 18 define another channel 60 that extends between the top and bottom portions 38, 40.
  • the channels 60 permit air to circulate within the housing 14, between the top and bottom
  • the connector 10 does not require horizontal support ribs or similar structure that provides lateral restraint by engaging the plates 20 at or near the mid-point thereof.
  • This configuration permits the use of features, such as the channels 60, that form a substantially unobstructed airflow path extending between the top and bottom portions 38, 40 of the housing 14.
  • the channels 60 in conjunction with the openings 53, 54 in the respective top and bottom portions 38, 40, facilitate circulation of air through the connector 10.
  • the channels 60 adjoin the opening 53 formed in the top portion 38 of the housing 14.
  • the curved portions 28 of the first and second conductors 16, 18 are located directly below the opening 53. Air therefore can pass into or out of the channels 60 by way of the opening 53, and the slots 30 formed in the curved portions 28.
  • the channels 60 also adjoin the opening 54 formed in the bottom portion 40 of the housing 14.
  • the bottom surface 40a of the bottom portion 40 of the housing 14 is spaced from the substrate 12 by the gap 51, as noted above.
  • the gap 51 permits air to -flow into or out of the channels 60 by way of the opening 54.
  • the side portions 54b of the opening 54 are not obstructed by the first or second contacts 16, 18. The gap 51 and the side portions 54b therefore provide a substantially unobstructed path for air to enter or exit the bottom of each channel 60.
  • Each of the channels 60 is bounded, in part, by the plate 20 of one of the first and second conductors 16, 18.
  • the first and second conductors 16, 18 are heated by the flow of electrical current therethrough.
  • the resulting temperature rise in the plates 20 heats the air within the corresponding channels 60.
  • the heating of the air within the channels 60 is believed to induce airflow through the connector 10.
  • the airflow pattern is denoted diagrammatically by the arrows 62 in the figures. It should be noted that the arrows 62 are included for illustrative purposes only, and are not intended to fully represent the relatively complex airflow patterns that may actually exist in and around the connector 10.
  • the air heated by the plates 20 is believed to rise within the channels 60. The rising air can exit the channels 60 by way of the slots 30 formed in the curved portions 28 of the first and second conductors 16, 18, and the opening 53 formed in the top portion 38 of the housing 14.
  • Relatively cool ambient air can enter the channels 60 from below by way of the gap 51 and the opening 54 formed in the bottom portion 40 of the housing 14.
  • the cool air replaces the air within the channels 60 displaced due to the heating of first and second conductors 16, 18. This effect is commonly referred to as a "chimney effect.”
  • the air circulating through the channels 60 helps to cool the first and second conductors 16, 18. hi particular, the passage of the air over the surfaces of the plates 20 can transfer thermal energy from the plates 20 by convective heat transfer. Moreover, the curved portions 28 increase the overall surface area of the first and second conductors 16, 18, and thereby facilitate additional convective heat transfer from the first and second conductors 16, 18. [0046]
  • the above-described features by helping to dissipate the heat generated during operation of the connector 10, can facilitate the transmission of greater amounts of power through the connector 10 than would otherwise be possible.
  • the noted features can also help the connector 10 to operate at lower temperatures that would otherwise be possible, potentially improving the reliability and service life of the connector 10, and can potentially reduce the amount of space required to accommodate the connector 10 within an electronic device.
  • Figures 7 to 10 depict a preferred embodiment of another electrical connector in the form of an electrical connector 100.
  • the connector 100 can be mounted on the substrate 12, as depicted in Figure 9.
  • the connector 100 comprises a housing 104.
  • the connector 10 also comprises a first conductor 106 and a second conductor 108 mounted in the housing 104.
  • the first conductor 106 and the second conductor 108 are substantially identical, with the exception that the first and second conductors 106, 108 are configured in a left and right hand configuration. In other words, the first and second conductors 106, 108 are symmetrically disposed about a vertically-oriented plane passing through the center of the connector 100.
  • the first and second conductors 106, 108 each comprise a major portion in the form of a substantially flat plate 120.
  • the first and second conductors 106, 108 are mounted in the housing 104 so that the plates 120 of the first and second conductors 106, 108 are spaced apart, as depicted in Figure 8.
  • the first and second conductors 106, 108 each comprise an intermediate member 123 that adjoins a forward edge of the corresponding plate 120.
  • the intermediate members 123 each include a substantially s-shaped portion that causes the remainder of the intermediate member 123 to neck inward, toward the center of the connector 10, as shown in Figures 8 and 10.
  • the first and second conductors 106, 108 also comprise a plurality of contact beams 124 that extend from the corresponding intermediate members 123.
  • the contact beams 124 can mate with a contact, such as a contact blade, of another electrical device such as a second electrical connector (not shown).
  • Alternative embodiments of the first and second conductors 106, 108 can be formed without the intermediate members 123, so that the contact beams 124 extend directly from the corresponding plates 120.
  • Each of the first and second conductors 106, 108 also comprises a plurality of solder tails 126 extending from a second, or bottom edge of the corresponding plate 120, for mounting the connector 100' on the substrate 12.
  • the first and second conductors 106, 108 can conduct power between the substrate 12 and the second electrical connector when the connector 100 is mounted on the substrate 12 and mated with the second electrical connector.
  • the housing 104 is formed from an electrically- insulating material such as plastic.
  • the housing 104 includes a first side portion 134, a second side portion 136, a top portion 138, and a rearward portion 141.
  • the top portion 138 adjoins the first a"nd second side portions 134, 136.
  • the rearward portion 141 adjoins each of the first and second side portions 134, 136, and the top portion 138.
  • the first side portion 134, second side portion 136, top portion 138, and rear portion 141 define a cavity 145 within the housing 104.
  • the bottom of the housing 104 is open, as shown in Figure 8.
  • the housing 104 also includes an upper mating shroud 146 extending from the top portion 138, and a lower mating shroud 147 extending from the bottom portion 140.
  • the lower mating shroud 147 has a cutout 156 formed therein, as shown in Figures 7
  • the housing 104 further includes standoffs 149 that cause the bottom of the first and second side portions 134, 136 and the rear portion 141 to be spaced from the substrate 12, as shown in Figure 9. In other words, a gap 151 exists between the substrate
  • the bottom of the housing 104 is open, as noted above.
  • the top portion 138 has three substantially square openings 153 formed therein, as shown in Figure 7.
  • Alternative embodiments can be formed with more or less than three of the openings 153.
  • the openings 153 can have a shape other than square in alternative embodiments.
  • the first and second conductors 106, 108 are inserted into the housing 104 from the bottom thereof, i.e., the first and second conductors 106, 108 are inserted into the housing 104 in the "+z" direction.
  • the cutout 156 in the lower mating shroud 147 accommodates the contact beams 124 as the first and second conductors 106, 108 are inserted.
  • the plates 120 of the first and second conductors 106, 108 become disposed in the cavity 145 as the first and second conductors 106, 108 are inserted into the housing 104.
  • the first conductor 106 is spaced from the first side portion 134 of the housing 104, and the second conductor 108 is spaced from the second side portion 136 when the first and second contacts are fully inserted in the housing 104, as shown in
  • the housing 104 includes retaining features 142, 143 that support and restrain the first and second conductors 106, 108, as shown in Figure 8.
  • the retaining features 142 grasp the intermediate members 123 of the first and second contacts 106, 108 as the first and second contacts 106, 108 are inserted into the housing 104.
  • the retaining features 143 grasp the rearward ends of the plates 120 of the first and second contacts 106, 108 as the first and second contacts 106, 108 are inserted into the housing 104.
  • the solder tails 126 extend downward from the housing 104 when the first and second conductors 106, 108 are positioned within the housing 104, as shown in Figures 7 and 9.
  • the solder tails 126 are received in through holes formed in the substrate 12, and establish electrical contact between the connector 100 and the substrate 12.
  • the connector 100 includes features that can facilitate circulation of air through the connector 100. These features thereby help to cool the connector 100, and prevent heated air from being trapped within the connector 100.
  • the plates 120 define a first channel 160 therebetween.
  • the plate 120 of the first conductor 106 and the first side portion 134 of the housing 104 define a second channel 162 therebetween, and the plate 120 of the second conductor 108 and the second side portion 136 of the housing 104 define a third channel 164 therebetween, as shown in Figure 8.
  • first, second, and third channels 160, 162, 164 each adjoin the openings
  • first, second, and third channels 160, 162, 164 each extend to the bottom of the housing 104, and therefore adjoin the gap 151 that exists between the substrate 12, and the respective lower ends of the first and second side portions 134, 136 and the rear portion 141 when the connector 100 is mounted on the substrate 12.
  • the first, second, and third channels 160, 162, 164 thus permit air to circulate between the gap 151, and the openings 153 in the top portion 138.
  • the first and second contacts 106, 108 are supported by the retaining features 142, 143, as noted above.
  • the connector 100 therefore does not require horizontal support ribs or similar structure that provides lateral restraint by engaging the first and second conductors 104, 106 at or near the mid-points of the plates 120.
  • This configuration permits the use of features, such as the first, second, and third channels 160, 162, 164, that form a substantially unobstructed airflow path extending between the top 138 of the housing 104, and the bottom of the cavity 145.
  • the first, second, and third channels 160, 162, 164 in conjunction with the openings 153 in the top portion 138 of the housing 104, facilitate circulation of air through the connector 100.
  • the first, second, and third channels 160, 162, 164 adjoin the openings 153. Air therefore can pass into or out of the first, second, and third channels 160, 162, 164 by way of the openings 153.
  • the bottom of the cavity 145 is open, as noted above. This arrangement permits air to flow into or out of the first, second, and third channels 160, 162, 164, to or from the gap 151 between the housing 104 and the substrate 12. In other words, the gap 151 and the open configuration of the bottom of the housing 104 provide a substantially unobstructed path for air to enter or exit the bottom of each of the first, second, and third channels 160, 162, 164.
  • the first channel 160 is bounded by the plates 120 of both the first and second conductors 106, 108.
  • the second channel 162 is bounded by the plate 120 of the first conductor 106, and the third channel 164 is bounded by the plate 120 of the second conductor 108.
  • the heating of the plates 120 during operation of the connector 100 therefore heats the air within the first, second, and third channels 160, 162, 164. [0068] The heating of the air within the first, second, and third channels 160, 162,
  • the airflow pattern is denoted diagrammatically by the arrows 162 in the figures. It should be noted that the arrows 162 are included for illustrative purposes only, and are not intended to fully represent the relatively complex airflow patterns that may actually exist in and around the connector 100.
  • the air heated by the first and second conductors 106, 108 is believed to rise within the first, second, and third channels 160, 162, 164.
  • the rising air can exit the first, second, and third channels 160, 162, 164 by way of the openings 153 in the top portion 138 of the housing 104.
  • Relatively cool ambient air can enter the first, second, and third channels 160, 162, 164 by way of the gap 151 and the bottom of the housing 104, replacing the air within the first, second, and third channels 160, 162, 164 displaced due to the heating of first and second conductors 106, 108.
  • the passage of the air over the plates 120 can transfer thermal energy from the plates 120 by convective heat transfer, as discussed above in relation to the connector 10.

Abstract

An electrical connector (10) includes an electrical conductor (20) for transmitting electrical power, and a housing (14). The housing and the electrical conductor define a channel 60 for circulating airflow through the housing and along a surface of the electrical conductor.

Description

ELECTRICAL CONNECTOR WITH COOLING FEATURES
FIELD OF THE INVENTION
[0001] The present invention relates generally to electrical connectors. More specifically, the invention relates to a connector for transmitting electrical power and having features that permit air to circulate through the connector.
BACKGROUND OF THE INVENTION
[0002] Electrical connectors typically become heated during operation due the flow of electrical current therethrough. The heating of connectors used to transmit power can be substantial, due to the relatively high currents typically associated with power transmission.
[0003] Connectors used to transmit power can include one or more electrically- conductive plates or blades disposed in an electrically-insulating housing. The plates or blades can be relatively large, and may require lateral support in the form of ribs or like structure formed in the housing. The support ribs typically contact multiple locations on the plate or blade.
[0004] The support ribs, and-other structure within the housing, can inhibit circulation of air within the housing, and can form pockets of trapped air in direct contact with the conductor. The air and the housing are thermally insulating. Hence, the presence of stagnant air within the housing can allow heat to build up within the connector, and cause the connector to operate at relatively high temperatures. [0005] Excessive heating of a connector can limit the amount of power that can be transmitted through the connector. Moreover, operating a connector at high temperatures can potentially reduce the reliability and service life of the connector. Moreover, high operating temperatures may require that the connector be spaced from other components by a greater distance than otherwise would be required, i.e., high operating temperatures can increase the overall footprint of a connector.
SUMMARY OF THE INVENTION
[0006] To help solve the problem of excessive heating of electrical connectors used to transmit power, the present invention is directed to an electrical connector comprising an electrical conductor for transmitting electrical power, and a housing. The electrical conductor is mounted in the housing so that the housing and the electrical conductor define a channel for circulating airflow through the housing and along a surface of the electrical conductor.
[0007] Another preferred embodiment of an electrical connector comprises an electrical conductor for conducting electrical power. The electrical conductor comprises a major portion, a tail extending from the major portion for establishing electrical contact with a substrate, and a contact beam extending from the major portion. The connector also comprises a housing defining a cavity for receiving the major portion so that the tail extends from a bottom of the housing. The cavity is in fluid communication with the ambient environment by way of openings defined in the bottom and a top of housing so that ambient air can circulate over the major portion in response to heating of the electrical conductor.
BRIEF DESCRIPTION OF THE DRAWINGS
[0008] The foregoing summary, as well as the following detailed description of a preferred embodiment, are better understood when read in conjunction with the appended diagrammatic drawings. For the purpose of illustrating the invention, the drawings show an embodiment that is presently preferred. The invention is not limited, however, to the specific instrumentalities disclosed in the drawings. In the drawings:
[0009] Fig. 1 is a rear perspective view of a preferred embodiment of an electrical connector;
[0010] Fig. 2 is a front perspective view of the electrical connector shown in Fig. 1;
[0011] Fig. 3 is another rear perspective view of the electrical connector shown in Figs. 1 and 2;
[0012] Fig. 4 is a bottom perspective view of the electrical connector shown in Figs. 1-3;
[0013] Fig. 5 is a side view of the electrical connector shown in Figs. 1-4, mounted on a substrate;
[0014] Fig. 6 is a rear view of a conductor of the electrical connector shown in Figs. 1-5;
[0015] Fig. 7 is a top perspective view of another preferred embodiment of an electrical connector;
[0016] Fig. 8 is a bottom perspective view of the electrical connector shown in Fig. 7;
[0017] Fig. 9 is a side view of the electrical connector shown in Figs. 7 and
8, mounted on a substrate;
[0018] Fig. 10 is a top view of a conductor of the electrical connector shown in Figs. 7-9.
DETAILED DESCRIPTION OF ILLUSTRATIVE EMBODIMENTS [0019] Figures 1 to 5 depict a preferred embodiment of an electrical connector 10.
The figures a each referenced to a common coordinate system 11. Directional terms such as "top," bottom," "vertical," horizontal," "above," "below," etc., are used herein with reference to the component orientations depicted in Figure 5. These terms are used for exemplary purposes only, and are not intended to limit the scope of the appended claims. [0020] The connector 10 can be mounted on a substrate 12, as depicted in Figure 5.
The connector 10 comprises a housing 14. The connector 10 also comprises a first conductor 16 and a second conductor 18 mounted in the housing 14. [0021] The first conductor 16 and the second conductor 18 are substantially identical, with the exception that the first and second conductors 16, 18 are configured in a left and right hand configuration. In other words, the first and second conductors 16, 18 are symmetrically disposed about a vertically-oriented plane passing through the center of the connector 10. Alternative embodiments of the electrical connector 10 can include conductors that are not substantially identical, and are not symmetrically disposed in the above-noted manner.
[0022] The first and second conductors 16, 18 each comprise a major portion in the form of a substantially flat plate 20. The first and second conductors 16, 18 are mounted in the housing 14 so that the plates 20 of the first and second conductors 16, 18 abut, as depicted in Figures 1-4.
[0023] Each of the first and second conductors 16, 18 also comprises a plurality of contact beams 24 extending from a forward edge of the corresponding plate 20, for mating with a contact, such as a contact blade, of another electrical device such as a second electrical connector (not shown).
[0024] Each of the first and second conductors 16, 18 also comprises a plurality of solder tails 26 extending from a bottom edge of the corresponding plate 20, for mounting the connector 10 on the substrate 12. Each solder tail 26 includes a substantially S-shaped portion 26a that adjoins the corresponding plate 20. The portion 26a offsets the remainder of the contact 26 from the corresponding plate 20, as shown in Figures 1 and 3. Alternative embodiments can include press-fit tails, or other types of tails in lieu of the solder tails 26.
[0025] The first and second conductors 16, 18 can conduct power between the substrate 12 and the second electrical connector when the connector 10 is mounted on the substrate 12 and mated with the second electrical connector.
[0026] Each plate 20 includes a curved portion 28. Each of the curved portions 28 forms an upper end of the corresponding first or second conductor 16, 18, and extends through an arc of approximately ninety degrees. The tops of the first and second conductors 16, 18 thus flare outward as shown, for example, in Figure 3. [0027] The curved portions 28 each have a continuous outer edge 28a, as shown in
Figure 3. Alternative embodiments of the first and second conductors 16, 18 can include outer edges that are not continuous. Each curved portion 28 has a plurality of perforations, or slots 30 formed therein. The slots 30 preferably extend between a first position proximate the corresponding plate 20, and a second position proximate the corresponding outer edge 28a as shown, for example, in Figure 1.
[0028] The housing 14 is formed from an electrically-insulating material such as plastic. The housing 14 includes a first side portion 34, a second side portion 36, a top portion 38, and a bottom portion 40. The top and bottom portions 38, 40 each adjoin the first and second side portions 34, 36. The first side portion 34, second side portion 36, top portion 38, and bottom portion 40 define a cavity 45 within the housing 14, as shown in Figures 1, 3, and 4. The forward and rearward ends of the cavity 45 are open, to facilitate insertion of the first and second conductors 16, 18. [0029] The housing 14 also includes an upper mating shroud 46 extending from the top portion 38 of the housing 14, and a lower mating shroud 48 extending from the bottom portion 40. The housing 14 further includes standoffs 49 that cause the bottom portion 40 of the housing 14 to be spaced from the substrate 12, as shown in Figure 5. In other words, a gap 51 exists between a bottom surface 40a of the bottom portion 40 and the substrate 12 when the connector 10 is mounted on the substrate 12.
[0030] The first side portion 34 and the top portion 38 define a retaining feature in the form of a slot, or groove 52, as shown in Figures 1 and 3. The second side portion 36 and the top portion 38 define another of the grooves 52. The grooves 52 each extend longitudinally, i.e., in the "x" direction.
[0031] The top portion 38 has an opening 53 formed therein, as shown in Figures 1 to 3. The opening 53 extends longitudinally, between a first position proximate the rearward end of the top portion 38, and a second position proximate the forward end of the top portion 38.
[0032] The bottom portion 40 has an opening 54 formed therein, as shown in
Figure 4. The opening 54 has a center portion 54a that extends longitudinally, between the forward and rearward ends of the bottom portion 40. Preferably, the portion of the housing 14 that defines the center portion 54a is contoured to substantially match the shape of the solder tails 26, as shown in Figure 1. The upper end of the center portion 54a therefore is relatively narrow, while the bottom end is relatively wide.
[0033] The opening 54 also includes side portions 54b. Each of the side portions
54b adjoins the center portion 54a, and extends in the lateral ("y") direction, as shown in
Figure 4. [0034] The first and second conductors 16, 18 are inserted into the housing 14 from the rearward end thereof, i.e., the first and second conductors 16, 18 are inserted into the housing 14 in the "+x" direction.
[0035] The plates 20 of the first and second conductors 16, 18 become disposed in the cavity 45 as the first and second conductors 16, 18 are inserted into the housing 14. Moreover, the outer edges 28a of the curved portions 28 of the first and second conductors 16, 18 each enter a respective one of the grooves 52 as the first and second conductors 16, 18 are inserted. The grooves 52 help to guide the first and second conductors 16, 18 into the housing 14. The solder tails 24 are accommodated by the center portion 54a of the opening 54 as the first and second conductors 16, 18 are inserted.
[0036] The grooves 52 are sized so that the outer edge 28a of the associated curved portion 28 fits snugly therein. This feature helps to retain the first and second conductors 16, 18 in the housing 14, i.e., the noted feature can help prevent the first and second conductors 16, 18 from backing out of the housing 14. The engagement of the outer edges 28a by the housing 14 also helps to restrain the first and second conductors 16, 18 laterally and vertically in relation to the housing 14.
[0037] The solder tails 26 extend downward from the housing 14 when the first and second conductors 14, 16 are positioned within the housing 14. The solder tails 26 are received in through holes formed in the substrate 12, and establish electrical contact between the connector 10 and the substrate 12.
[0038] The connector 10 includes features that can facilitate circulation of air through the connector 10. These features thereby help to cool the connector 10, and prevent heated air from being trapped within the connector 10. In particular, the first side portion 34 of the housing 14 and the plate 20 of the first conductor 16 define a channel 60 that extends between the top and bottom portions 38, 40, as shown in Figures 1, 3, and 4. The second side portion 36 of the housing 14 and the plate 20 of the second conductor 18 define another channel 60 that extends between the top and bottom portions 38, 40. The channels 60 permit air to circulate within the housing 14, between the top and bottom
portions 38, 40 thereof.
[0039] The engagement of the curved portions 28 of the first and second conductors 16, 18 by the housing 14 helps to laterally restrain the first and second conductors 16, 18 in relation to the housing 14, as noted above. Hence, the connector 10 does not require horizontal support ribs or similar structure that provides lateral restraint by engaging the plates 20 at or near the mid-point thereof. This configuration permits the use of features, such as the channels 60, that form a substantially unobstructed airflow path extending between the top and bottom portions 38, 40 of the housing 14. [0040] The channels 60, in conjunction with the openings 53, 54 in the respective top and bottom portions 38, 40, facilitate circulation of air through the connector 10. In particular, the channels 60 adjoin the opening 53 formed in the top portion 38 of the housing 14. The curved portions 28 of the first and second conductors 16, 18 are located directly below the opening 53. Air therefore can pass into or out of the channels 60 by way of the opening 53, and the slots 30 formed in the curved portions 28. [0041] The channels 60 also adjoin the opening 54 formed in the bottom portion 40 of the housing 14. The bottom surface 40a of the bottom portion 40 of the housing 14 is spaced from the substrate 12 by the gap 51, as noted above. The gap 51 permits air to -flow into or out of the channels 60 by way of the opening 54. The side portions 54b of the opening 54 are not obstructed by the first or second contacts 16, 18. The gap 51 and the side portions 54b therefore provide a substantially unobstructed path for air to enter or exit the bottom of each channel 60. [0042J Each of the channels 60 is bounded, in part, by the plate 20 of one of the first and second conductors 16, 18. During operation of the connector 10, the first and second conductors 16, 18 are heated by the flow of electrical current therethrough. The resulting temperature rise in the plates 20 heats the air within the corresponding channels 60.
[0043] The heating of the air within the channels 60 is believed to induce airflow through the connector 10. The airflow pattern is denoted diagrammatically by the arrows 62 in the figures. It should be noted that the arrows 62 are included for illustrative purposes only, and are not intended to fully represent the relatively complex airflow patterns that may actually exist in and around the connector 10. [0044] As shown, for example, in Figure 3, the air heated by the plates 20 is believed to rise within the channels 60. The rising air can exit the channels 60 by way of the slots 30 formed in the curved portions 28 of the first and second conductors 16, 18, and the opening 53 formed in the top portion 38 of the housing 14. Relatively cool ambient air can enter the channels 60 from below by way of the gap 51 and the opening 54 formed in the bottom portion 40 of the housing 14. The cool air replaces the air within the channels 60 displaced due to the heating of first and second conductors 16, 18. This effect is commonly referred to as a "chimney effect."
[0045] The air circulating through the channels 60 helps to cool the first and second conductors 16, 18. hi particular, the passage of the air over the surfaces of the plates 20 can transfer thermal energy from the plates 20 by convective heat transfer. Moreover, the curved portions 28 increase the overall surface area of the first and second conductors 16, 18, and thereby facilitate additional convective heat transfer from the first and second conductors 16, 18. [0046] The above-described features, by helping to dissipate the heat generated during operation of the connector 10, can facilitate the transmission of greater amounts of power through the connector 10 than would otherwise be possible. The noted features can also help the connector 10 to operate at lower temperatures that would otherwise be possible, potentially improving the reliability and service life of the connector 10, and can potentially reduce the amount of space required to accommodate the connector 10 within an electronic device.
[0047] Figures 7 to 10 depict a preferred embodiment of another electrical connector in the form of an electrical connector 100. The connector 100 can be mounted on the substrate 12, as depicted in Figure 9. The connector 100 comprises a housing 104. The connector 10 also comprises a first conductor 106 and a second conductor 108 mounted in the housing 104.
[0048] The first conductor 106 and the second conductor 108 are substantially identical, with the exception that the first and second conductors 106, 108 are configured in a left and right hand configuration. In other words, the first and second conductors 106, 108 are symmetrically disposed about a vertically-oriented plane passing through the center of the connector 100.
[0049] The first and second conductors 106, 108 each comprise a major portion in the form of a substantially flat plate 120. The first and second conductors 106, 108 are mounted in the housing 104 so that the plates 120 of the first and second conductors 106, 108 are spaced apart, as depicted in Figure 8.
[0050] The first and second conductors 106, 108 each comprise an intermediate member 123 that adjoins a forward edge of the corresponding plate 120. The intermediate members 123 each include a substantially s-shaped portion that causes the remainder of the intermediate member 123 to neck inward, toward the center of the connector 10, as shown in Figures 8 and 10.
[0051] The first and second conductors 106, 108 also comprise a plurality of contact beams 124 that extend from the corresponding intermediate members 123. The contact beams 124 can mate with a contact, such as a contact blade, of another electrical device such as a second electrical connector (not shown). Alternative embodiments of the first and second conductors 106, 108 can be formed without the intermediate members 123, so that the contact beams 124 extend directly from the corresponding plates 120. [0052] Each of the first and second conductors 106, 108 also comprises a plurality of solder tails 126 extending from a second, or bottom edge of the corresponding plate 120, for mounting the connector 100' on the substrate 12. Alternative embodiments can include press-fit, or other types of tails in lieu of the solder tails 126. [0053] The first and second conductors 106, 108 can conduct power between the substrate 12 and the second electrical connector when the connector 100 is mounted on the substrate 12 and mated with the second electrical connector.
[0054] The housing 104 is formed from an electrically- insulating material such as plastic. The housing 104 includes a first side portion 134, a second side portion 136, a top portion 138, and a rearward portion 141. The top portion 138 adjoins the first a"nd second side portions 134, 136. The rearward portion 141 adjoins each of the first and second side portions 134, 136, and the top portion 138. The first side portion 134, second side portion 136, top portion 138, and rear portion 141 define a cavity 145 within the housing 104. The bottom of the housing 104 is open, as shown in Figure 8.
[0055] The housing 104 also includes an upper mating shroud 146 extending from the top portion 138, and a lower mating shroud 147 extending from the bottom portion 140. The lower mating shroud 147 has a cutout 156 formed therein, as shown in Figures 7
and 8.
[0056] The housing 104 further includes standoffs 149 that cause the bottom of the first and second side portions 134, 136 and the rear portion 141 to be spaced from the substrate 12, as shown in Figure 9. In other words, a gap 151 exists between the substrate
12, and the respective lower ends of the first and second side portions 134, 136 and the rear portion 141. The bottom of the housing 104 is open, as noted above. The cavity 145
therefore adjoins the gap 151.
[0057] The top portion 138 has three substantially square openings 153 formed therein, as shown in Figure 7. Alternative embodiments can be formed with more or less than three of the openings 153. Moreover, the openings 153 can have a shape other than square in alternative embodiments.
[0058] The first and second conductors 106, 108 are inserted into the housing 104 from the bottom thereof, i.e., the first and second conductors 106, 108 are inserted into the housing 104 in the "+z" direction. The cutout 156 in the lower mating shroud 147 accommodates the contact beams 124 as the first and second conductors 106, 108 are inserted.
[0059] The plates 120 of the first and second conductors 106, 108 become disposed in the cavity 145 as the first and second conductors 106, 108 are inserted into the housing 104. The first conductor 106 is spaced from the first side portion 134 of the housing 104, and the second conductor 108 is spaced from the second side portion 136 when the first and second contacts are fully inserted in the housing 104, as shown in
Figure 8.
[0060] The housing 104 includes retaining features 142, 143 that support and restrain the first and second conductors 106, 108, as shown in Figure 8. In particular, the retaining features 142 grasp the intermediate members 123 of the first and second contacts 106, 108 as the first and second contacts 106, 108 are inserted into the housing 104. The retaining features 143 grasp the rearward ends of the plates 120 of the first and second contacts 106, 108 as the first and second contacts 106, 108 are inserted into the housing 104.
[0061] The solder tails 126 extend downward from the housing 104 when the first and second conductors 106, 108 are positioned within the housing 104, as shown in Figures 7 and 9. The solder tails 126 are received in through holes formed in the substrate 12, and establish electrical contact between the connector 100 and the substrate 12. [0062] The connector 100 includes features that can facilitate circulation of air through the connector 100. These features thereby help to cool the connector 100, and prevent heated air from being trapped within the connector 100. In particular, the plates 120 define a first channel 160 therebetween. Moreover, the plate 120 of the first conductor 106 and the first side portion 134 of the housing 104 define a second channel 162 therebetween, and the plate 120 of the second conductor 108 and the second side portion 136 of the housing 104 define a third channel 164 therebetween, as shown in Figure 8.
[0063] The first, second, and third channels 160, 162, 164 each adjoin the openings
153 in the top portion 138 of the housing 104. Moreover, the first, second, and third channels 160, 162, 164 each extend to the bottom of the housing 104, and therefore adjoin the gap 151 that exists between the substrate 12, and the respective lower ends of the first and second side portions 134, 136 and the rear portion 141 when the connector 100 is mounted on the substrate 12. The first, second, and third channels 160, 162, 164 thus permit air to circulate between the gap 151, and the openings 153 in the top portion 138. [0064] The first and second contacts 106, 108 are supported by the retaining features 142, 143, as noted above. The connector 100 therefore does not require horizontal support ribs or similar structure that provides lateral restraint by engaging the first and second conductors 104, 106 at or near the mid-points of the plates 120. This configuration permits the use of features, such as the first, second, and third channels 160, 162, 164, that form a substantially unobstructed airflow path extending between the top 138 of the housing 104, and the bottom of the cavity 145.
[0065] The first, second, and third channels 160, 162, 164, in conjunction with the openings 153 in the top portion 138 of the housing 104, facilitate circulation of air through the connector 100. In particular, the first, second, and third channels 160, 162, 164 adjoin the openings 153. Air therefore can pass into or out of the first, second, and third channels 160, 162, 164 by way of the openings 153.
[0066] The bottom of the cavity 145 is open, as noted above. This arrangement permits air to flow into or out of the first, second, and third channels 160, 162, 164, to or from the gap 151 between the housing 104 and the substrate 12. In other words, the gap 151 and the open configuration of the bottom of the housing 104 provide a substantially unobstructed path for air to enter or exit the bottom of each of the first, second, and third channels 160, 162, 164.
[0067] During operation of the connector 100, the first and second conductors 106,
108 are heated by the passage of power therethrough. The first channel 160 is bounded by the plates 120 of both the first and second conductors 106, 108. The second channel 162 is bounded by the plate 120 of the first conductor 106, and the third channel 164 is bounded by the plate 120 of the second conductor 108. The heating of the plates 120 during operation of the connector 100 therefore heats the air within the first, second, and third channels 160, 162, 164. [0068] The heating of the air within the first, second, and third channels 160, 162,
164 is believed to induce airflow through the connector 100. The airflow pattern is denoted diagrammatically by the arrows 162 in the figures. It should be noted that the arrows 162 are included for illustrative purposes only, and are not intended to fully represent the relatively complex airflow patterns that may actually exist in and around the connector 100.
[0069] As shown in Figures 7 and 9, the air heated by the first and second conductors 106, 108 is believed to rise within the first, second, and third channels 160, 162, 164. The rising air can exit the first, second, and third channels 160, 162, 164 by way of the openings 153 in the top portion 138 of the housing 104. Relatively cool ambient air can enter the first, second, and third channels 160, 162, 164 by way of the gap 151 and the bottom of the housing 104, replacing the air within the first, second, and third channels 160, 162, 164 displaced due to the heating of first and second conductors 106, 108. [0070] The air circulating through the first, second, and third channels 160, 162,
164 helps to cool the first and second conductors 106, 108. In particular, the passage of the air over the plates 120 can transfer thermal energy from the plates 120 by convective heat transfer, as discussed above in relation to the connector 10.
[0071] The foregoing description is provided for the purpose of explanation and is not to.be construed as limiting the invention. While the invention has been described with reference to preferred embodiments or preferred methods, it is understood that the words which have been used herein are words of description and illustration, rather than words of limitation. Furthermore, although the invention has been described herein with reference to particular structure, methods, and embodiments, the invention is not intended to be limited to the particulars disclosed herein, as the invention extends to all structures, methods and uses that are within the scope of the appended claims. Those skilled in the relevant art, having the benefit of the teachings of this specification, may effect numerous modifications to the invention as described herein, and changes may be made without departing from the scope and spirit of the invention as defined by the appended claims. For example, the principles of the invention can be applied to connectors in which electrically-conductive blades are used in lieu of the conductors 16, 18 or the conductors 106, 108.

Claims

What is Claimed:
1. An electrical connector, comprising: an electrical conductor for transmitting electrical power or signals; and a housing, wherein the electrical conductor is mounted in the housing so that the housing and the electrical conductor define a channel for circulating airflow through the housing and along a surface of the electrical conductor.
2. The electrical connector of claim 1, wherein the electrical conductor comprises a tail for establishing electrical contact between the electrical connector and a substrate, the tail extends from a bottom of the housing, and the electrical conductor can be inserted into the housing from the bottom of the housing.
3. The electrical connector of claim 2, wherein the housing comprises a mating shroud, the mating shroud having a cutout formed therein so that contact beams of the electrical conductor can pass through the mating shroud as the electrical conductor is inserted into the housing.
4. The electrical connector of claim 1, wherein the electrical conductor comprises a plate disposed in a cavity formed in the housing so that the plate and the housing define the channel, and the plate is exposed to air circulating through channel in response to heating of the electrical conductor whereby the plate is cooled by convective heat transfer.
5. The electrical connector of claim 4, wherein the housing further comprises retaining features located proximate a forward and a rearward end of the cavity for retaining the electrical conductor.
6. The electrical connector of claim 5, wherein the electrical conductor further comprises a contact beam, and an intermediate portion adjoining the contact beam and a forward end of the plate, and the retaining features grasp the intermediate portion and a rearward end of the plate.
7. The electrical connector of claim 1, wherein a top portion of the housing has an opening formed therein and adjoining the channel.
8. The electrical connector of claim 1, wherein the electrical connector can be mounted on a substrate, the housing has standoffs for spacing a bottom of the housing from the substrate so that a gap is formed between the bottom of the housing and the substrate, and the gap is in fluid communication with the channel.
9. The electrical connector of claim 8, further comprising and opening formed in a top portion of the housing, wherein air can circulate through the gap, the channel, and the opening in the top portion of the housing in response to heating of the electrical conductor.
10. The electrical connector of claim 1, wherein the electrical conductor comprises a first and a second electrical conductor, the first and the second electrical conductors being mounted in the housing so that the first electrical conductor is spaced from the second electrical conductor and the first and the second electrical conductors define the channel.
11. The electrical connector of claim 10, wherein the housing and the electrical conductor define three of the channels, the first of the channels being defined by the first and the second electrical conductors, the second of the channels being defined by the housing and the first electrical conductor, and the third of the channels being defined by the housing and the second electrical conductor.
12. The electrical connector of claim 1, wherein the electrical conductor comprises a first and a second electrical conductor, and the housing and the electrical conductor define two of the channels, the first of the channels being defined by the first electrical conductor and the housing, and the second of the channels being defined by the second electrical conductor and the housing.
13. The electrical connector of claim 1, wherein the electrical conductor has a curved portion extending through the channel, the curved portion having slots formed therein for permitting air to pass through the curved portion.
14. The electrical connector of claim 13, wherein the housing has a groove formed therein for receiving an edge of the curved portion so that the electrical conductor is retained in the housing.
15. The electrical connector of claim 13, wherein the electrical conductor comprises a plate, and a tail for establishing electrical contact between the electrical connector and a substrate and extending from a first end of the plate, and the curved portion forms a second end of the plate opposite the first end.
16. The electrical connector of claim 1, wherein: the housing comprises a bottom portion having an opening formed therein, the opening having a first portion extending in a first direction, and a second portion extending in a second direction substantially perpendicular to the first direction and being in fluid communication with the channel, and the electrical conductor comprises a tail for establishing electrical contact between the electrical connector and a substrate, the tail extending through the first portion of the opening in the bottom portion of the housing.
17. An electrical connector, comprising: an electrical conductor for conducting electrical power, the electrical conductor comprising a major portion, a tail extending from the major portion for establishing electrical contact with a substrate, and a contact beam extending from the major portion; and a housing defining a cavity for receiving the major portion so that the tail extends from a bottom of the housing, wherein the cavity is in fluid communication with the ambient environment by way of openings defined in the bottom and a top of housing so that ambient air can circulate over the major portion in response to heating of the electrical conductor.
18. The electrical connector of claim 17, wherein the housing includes retaining features that retain the electrical conductor so that the major portion and the housing define a substantially unobstructed airflow channel between the bottom and the top of the housing.
19. The electrical connector of claim 18, wherein the major portion comprises a curved portion having slots formed therein, and the retaining features comprise a groove formed in the housing proximate the top of the housing for receiving an edge of a curved portion.
20. The electrical connector of claim 18, wherein the electrical conductor comprises a first and a second electrical conductor positioned within the cavity and spaced apart so that the first and second electrical conductors define a first of the airflow channels, the housing and the first electrical conductor define a second of the flow channels, and the housing and the second electrical conductor define a third of the flow channels.
PCT/US2005/046046 2005-04-05 2005-12-20 Electrical connector with cooling features WO2006107355A1 (en)

Priority Applications (2)

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CN2005800493563A CN101151771B (en) 2005-04-05 2005-12-20 Electrical connector with air-circulation features
MX2007011529A MX2007011529A (en) 2005-04-05 2005-12-20 Electrical connector with cooling features.

Applications Claiming Priority (4)

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US66835005P 2005-04-05 2005-04-05
US60/668,350 2005-04-05
US11/303,657 US7303427B2 (en) 2005-04-05 2005-12-16 Electrical connector with air-circulation features
US11/303,657 2005-12-16

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US20080038956A1 (en) 2008-02-14
US7541135B2 (en) 2009-06-02
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TW200638625A (en) 2006-11-01

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