US20110232866A1 - Integral cold plate and honeycomb facesheet assembly - Google Patents

Integral cold plate and honeycomb facesheet assembly Download PDF

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Publication number
US20110232866A1
US20110232866A1 US12/748,549 US74854910A US2011232866A1 US 20110232866 A1 US20110232866 A1 US 20110232866A1 US 74854910 A US74854910 A US 74854910A US 2011232866 A1 US2011232866 A1 US 2011232866A1
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United States
Prior art keywords
sheet
fluid path
cold plate
brazed
assembly
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Legal status (The legal status 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 status listed.)
Abandoned
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US12/748,549
Inventor
Mark A. Zaffetti
Edmund P. Taddey
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Hamilton Sundstrand Corp
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Hamilton Sundstrand Corp
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Application filed by Hamilton Sundstrand Corp filed Critical Hamilton Sundstrand Corp
Priority to US12/748,549 priority Critical patent/US20110232866A1/en
Assigned to HAMILTON SUNDSTRAND CORPORATION reassignment HAMILTON SUNDSTRAND CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: TADDEY, EDMUND P., ZAFFETTI, MARK A.
Priority to JP2011052320A priority patent/JP2011208932A/en
Priority to EP11250368A priority patent/EP2372757A3/en
Priority to CN2011100764350A priority patent/CN102209453A/en
Assigned to NASA reassignment NASA CONFIRMATORY LICENSE (SEE DOCUMENT FOR DETAILS). Assignors: HAMILTON SUNDSTRAND CORPORATION
Publication of US20110232866A1 publication Critical patent/US20110232866A1/en
Abandoned legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
    • H01L23/46—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids
    • H01L23/473—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements involving the transfer of heat by flowing fluids by flowing liquids
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00

Definitions

  • the present disclosure relates to a heat transfer device, and more particularly to a cold plate assembly.
  • Heat removal provides, for example, lower operating temperatures, higher operating speeds, greater computing power and higher reliability.
  • Cold plates are liquid cooled structures which provide a heat transfer function for components mounted thereto.
  • a cold plate assembly includes a face sheet assembly with an integral cold plate and a structure mounted to the face sheet assembly.
  • FIG. 1 is a general exploded view of a cold plate assembly
  • FIG. 2 is a perspective view of the cold plate assembly of FIG. 1 ;
  • FIG. 3 is a general exploded view of a cold plate assembly with exploded views of a first face sheet assembly and a second face sheet assembly;
  • FIG. 4 is a general exploded view of a RELATED ART cold plate assembly with a separate self contained cold plate
  • FIG. 5 is a general schematic view of a cold plate assembly attached to a structure.
  • FIG. 1 schematically illustrates a cold plate assembly 20 .
  • the cold plate assembly 20 generally includes a first face sheet assembly 22 A that has a face sheet 24 A with an integral cold plate 26 A and a second face sheet assembly 22 B that has a face sheet 24 B with an integral cold plate 26 B.
  • the first face sheet assembly 22 A and the second face sheet assembly 22 B sandwich a structure S such as a frame 28 and a honeycomb core 30 typically through an adhesive. It should be understood that either or both of face sheets 24 A, 24 B may be a portion of any structure inclusive of an avionics component itself.
  • the header assembly 32 communicates with a fluid system 38 as generally understood (illustrated schematically; FIG. 2 ).
  • the first face sheet assembly 22 A generally includes a first end sheet 40 , a first parting sheet 42 , a fluid path B closure bar 46 , a fluid path B fin structure 44 (illustrated schematically), a middle parting sheet 48 , a fluid path A closure bar 52 , a fluid path A fin structure 50 , (illustrated schematically), a second parting sheet 54 and the face sheet 24 A.
  • the first end sheet 40 may be manufactured of 3004 Aluminum with a nominal thickness of 0.04 inches (1 mm)
  • the first parting sheet 42 may be manufactured of a braze material, such as CT-23, or a Multiclad alloy with a nominal thickness of 0.016 inches (0.4 mm)
  • the fluid path B closure bar 46 may be manufactured of 6951 Aluminum with a nominal thickness of 0.05 inches (1.3 mm)
  • the fluid path B fin structure 44 may be manufactured of 6951 Aluminum with a nominal thickness of 0.005 inches (0.13 mm)
  • the middle parting sheet 48 may be manufactured of a braze material, such as CT-23, or a Multiclad alloy with a nominal thickness of 0.016 inches (0.4 mm)
  • the fluid path A closure bar 52 may be manufactured of 6951 Aluminum with a nominal thickness of 0.05 inches (1.3 mm)
  • the fluid path A fin structure 50 may be manufactured of 6951 Aluminum with a nominal thickness of 0.005 inches (0.13 mm)
  • the second parting sheet 54 may
  • the parting sheets 42 , 48 and 54 may include a braze alloy that melts during a brazing process that forms an integral assembly between the sheets 40 - 54 . It should be understood that other bonding or assembly methods may alternatively or additionally be utilized.
  • the sheets 40 - 54 may be brazed to the face sheet 24 A as a unit to form the first face sheet assembly 22 A, however, it should be understood that other bonding or assembly methods may alternatively or additionally be utilized.
  • the assembly is brazed together such that: the first end sheet 40 is brazed to the first parting sheet 42 ; the first parting sheet 42 is brazed to the first end sheet 40 and the path B closure bar 46 and the fluid path B fin structure 44 ; the fluid path B closure bar 46 is brazed to the first parting sheet 42 and the middle parting sheet 48 ; the fluid path B fin structure 44 is brazed to the first parting sheet 42 and the middle parting sheet 48 ; the middle parting sheet 48 is brazed to the fluid path B fin structure 44 and to the fluid path B closure bar 46 and to the fluid path A fin structure 50 and to the fluid path A closure bar 52 ; the fluid path A closure bar 52 is brazed to the middle parting sheet 48 and to the second parting sheet 54 ; the fluid path A fin structure 50 is brazed to the middle parting sheet 48 and to the second parting sheet 54 ; and the second parting sheet 54 is brazed to the fluid path A fin structure 50 and to the fluid path A closure bar 52 and to the first face sheet
  • the cold plate 26 A is integral to the first face sheet assembly 22 A so as to eliminate one end sheet from what would conventionally be a separate self-contained cold plate (RELATED ART; FIG. 4 ). That is, cold plate 26 A eliminates one end sheet which is now replaced by the respective face sheet 24 A.
  • the face sheets 24 A, 24 B already includes the integral cold plate 26 A, 26 B.
  • only one or more cold plate assemblies 20 may be utilized.
  • one of the face sheet assemblies 22 A, 22 B need not actually include the respective integral cold plate 26 A, 26 B such that the face sheet assembly 22 A is on only one side of the structure S or the face sheet assembly 22 A′ forms one face of another structure S′ ( FIG. 5 ).
  • a support panel is the example structure utilized to provide for the integral cold plate 26 A, 26 B any heat transfer device or structure inclusive of the electronic components themselves may alternatively benefit herefrom.
  • the cold plate assembly 20 is formed with a reduced total part count through elimination of parts. Mounting hardware and/or structural adhesive for the cold plate 26 A, 26 B is eliminated. Weight, costs and additional processing steps are also thereby reduced as no mounting features need be machined or otherwise formed. Furthermore, a more structurally sound cold plate assembly 20 results.

Abstract

A cold plate assembly includes a face sheet assembly with an integral cold plate and a structure mounted to the face sheet assembly.

Description

    STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT
  • This invention was made with government support with the National Aeronautics and Space Administration under Contract No.: NNJ06TA25C. The government therefore has certain rights in this invention.
    • BACKGROUND
  • The present disclosure relates to a heat transfer device, and more particularly to a cold plate assembly.
  • Operation of high speed electronic components such as microprocessors, graphics processors and other modules produces heat. The heat may need to be removed for efficient operation. Heat removal provides, for example, lower operating temperatures, higher operating speeds, greater computing power and higher reliability.
  • Cold plates are liquid cooled structures which provide a heat transfer function for components mounted thereto.
    • SUMMARY
  • A cold plate assembly according to an exemplary aspect of the present disclosure includes a face sheet assembly with an integral cold plate and a structure mounted to the face sheet assembly.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • Various features will become apparent to those skilled in the art from the following detailed description of the disclosed non-limiting embodiment. The drawings that accompany the detailed description can be briefly described as follows:
  • FIG. 1 is a general exploded view of a cold plate assembly;
  • FIG. 2 is a perspective view of the cold plate assembly of FIG. 1;
  • FIG. 3 is a general exploded view of a cold plate assembly with exploded views of a first face sheet assembly and a second face sheet assembly;
  • FIG. 4 is a general exploded view of a RELATED ART cold plate assembly with a separate self contained cold plate; and
  • FIG. 5 is a general schematic view of a cold plate assembly attached to a structure.
    •  DETAILED DESCRIPTION
  • FIG. 1 schematically illustrates a cold plate assembly 20. The cold plate assembly 20 generally includes a first face sheet assembly 22A that has a face sheet 24A with an integral cold plate 26A and a second face sheet assembly 22B that has a face sheet 24B with an integral cold plate 26B. The first face sheet assembly 22A and the second face sheet assembly 22B sandwich a structure S such as a frame 28 and a honeycomb core 30 typically through an adhesive. It should be understood that either or both of face sheets 24A, 24B may be a portion of any structure inclusive of an avionics component itself.
  • A header assembly 32 with an inlet port 34 and an outlet port 36 communicates fluid through the cold plate assembly 20. The header assembly 32 communicates with a fluid system 38 as generally understood (illustrated schematically; FIG. 2).
  • Referring to FIG. 3, the first face sheet assembly 22A generally includes a first end sheet 40, a first parting sheet 42, a fluid path B closure bar 46, a fluid path B fin structure 44 (illustrated schematically), a middle parting sheet 48, a fluid path A closure bar 52, a fluid path A fin structure 50, (illustrated schematically), a second parting sheet 54 and the face sheet 24A.
  • In one non-limiting embodiment, the first end sheet 40 may be manufactured of 3004 Aluminum with a nominal thickness of 0.04 inches (1 mm), the first parting sheet 42 may be manufactured of a braze material, such as CT-23, or a Multiclad alloy with a nominal thickness of 0.016 inches (0.4 mm), the fluid path B closure bar 46 may be manufactured of 6951 Aluminum with a nominal thickness of 0.05 inches (1.3 mm), the fluid path B fin structure 44 may be manufactured of 6951 Aluminum with a nominal thickness of 0.005 inches (0.13 mm), the middle parting sheet 48 may be manufactured of a braze material, such as CT-23, or a Multiclad alloy with a nominal thickness of 0.016 inches (0.4 mm), the fluid path A closure bar 52 may be manufactured of 6951 Aluminum with a nominal thickness of 0.05 inches (1.3 mm), the fluid path A fin structure 50 may be manufactured of 6951 Aluminum with a nominal thickness of 0.005 inches (0.13 mm) and the second parting sheet 54 may be manufactured of a braze material, such as CT-23, or a Multiclad alloy with a nominal thickness of 0.016 inches (0.4 mm). It should be understood that various materials and nominal thickness may alternatively be utilized.
  • The parting sheets 42, 48 and 54 may include a braze alloy that melts during a brazing process that forms an integral assembly between the sheets 40-54. It should be understood that other bonding or assembly methods may alternatively or additionally be utilized. The sheets 40-54 may be brazed to the face sheet 24A as a unit to form the first face sheet assembly 22A, however, it should be understood that other bonding or assembly methods may alternatively or additionally be utilized.
  • Generally, the assembly is brazed together such that: the first end sheet 40 is brazed to the first parting sheet 42; the first parting sheet 42 is brazed to the first end sheet 40 and the path B closure bar 46 and the fluid path B fin structure 44; the fluid path B closure bar 46 is brazed to the first parting sheet 42 and the middle parting sheet 48; the fluid path B fin structure 44 is brazed to the first parting sheet 42 and the middle parting sheet 48; the middle parting sheet 48 is brazed to the fluid path B fin structure 44 and to the fluid path B closure bar 46 and to the fluid path A fin structure 50 and to the fluid path A closure bar 52; the fluid path A closure bar 52 is brazed to the middle parting sheet 48 and to the second parting sheet 54; the fluid path A fin structure 50 is brazed to the middle parting sheet 48 and to the second parting sheet 54; and the second parting sheet 54 is brazed to the fluid path A fin structure 50 and to the fluid path A closure bar 52 and to the first face sheet 24A.
  • The cold plate 26A is integral to the first face sheet assembly 22A so as to eliminate one end sheet from what would conventionally be a separate self-contained cold plate (RELATED ART; FIG. 4). That is, cold plate 26A eliminates one end sheet which is now replaced by the respective face sheet 24A. Thus when the structure S is fabricated, the face sheets 24A, 24B already includes the integral cold plate 26A, 26B. It should be understood that only one or more cold plate assemblies 20 may be utilized. For example, one of the face sheet assemblies 22A, 22B need not actually include the respective integral cold plate 26A, 26B such that the face sheet assembly 22A is on only one side of the structure S or the face sheet assembly 22A′ forms one face of another structure S′ (FIG. 5). Furthermore, it should be understood that although a support panel is the example structure utilized to provide for the integral cold plate 26A, 26B any heat transfer device or structure inclusive of the electronic components themselves may alternatively benefit herefrom.
  • The cold plate assembly 20 is formed with a reduced total part count through elimination of parts. Mounting hardware and/or structural adhesive for the cold plate 26A, 26B is eliminated. Weight, costs and additional processing steps are also thereby reduced as no mounting features need be machined or otherwise formed. Furthermore, a more structurally sound cold plate assembly 20 results.
  • It should be understood that like reference numerals identify corresponding or similar elements throughout the several drawings. It should also be understood that although a particular component arrangement is disclosed in the illustrated embodiment, other arrangements will benefit herefrom.
  • Although particular step sequences are shown, described, and claimed, it should be understood that steps may be performed in any order, separated or combined unless otherwise indicated and will still benefit from the present disclosure.
  • The foregoing description is exemplary rather than defined by the limitations within. Various non-limiting embodiments are disclosed herein, however, one of ordinary skill in the art would recognize that various modifications and variations in light of the above teachings will fall within the scope of the appended claims. It is therefore to be understood that within the scope of the appended claims, the disclosure may be practiced other than as specifically described. For that reason the appended claims should be studied to determine true scope and content.

Claims (15)

1. A cold plate assembly comprising:
a face sheet assembly with an integral cold plate; and
a structure mounted to said face sheet assembly.
2. The cold plate assembly as recited in claim 1, wherein said structure comprises a core within a frame.
3. The cold plate assembly as recited in claim 1, wherein said face sheet assembly includes a face sheet brazed to a parting sheet of said integral cold plate.
4. The cold plate assembly as recited in claim 3, wherein said face sheet is larger than said integral cold plate.
5. The cold plate assembly as recited in claim 1, further comprising a second face sheet assembly with a second integral cold plate, said second face sheet assembly mounted to said structure.
6. The cold plate assembly as recited in claim 5, wherein said second face sheet is larger than a parting sheet of said second integral cold plate.
7. The cold plate assembly as recited in claim 5, wherein said second face sheet assembly and said first face sheet assembly sandwich said structure.
8. The cold plate assembly as recited in claim 7, wherein said structure comprises a core within a frame.
9. The cold plate assembly as recited in claim 1, wherein said face sheet assembly further comprises:
a first end sheet;
a first parting sheet brazed to said first end sheet, said path B closure bar and said fluid path B fin structure;
a fluid path B closure bar brazed to said first parting sheet and said middle parting sheet;
a fluid path B fin structure brazed to said first parting sheet and said middle parting sheet;
a middle parting sheet brazed to said fluid path B fin structure, said fluid path B closure bar, said fluid path A fin structure and said fluid path A closure bar;
a fluid path A closure bar brazed to said middle parting sheet and said second parting sheet;
a fluid path A fin structure brazed to said middle parting sheet and to said second parting sheet; and
a second parting sheet brazed to said fluid path A fin structure, said fluid path A closure bar and a first face sheet.
10. The cold plate assembly as recited in claim 9, further comprising a second face sheet assembly with a second integral cold plate, said second face sheet assembly mounted to said structure.
11. The cold plate assembly as recited in claim 10, wherein said second face sheet assembly further comprises:
a second end sheet;
a second parting sheet brazed to said second end sheet, said path A closure bar and said fluid path A fin structure;
a fluid path A closure bar brazed to said second parting sheet and said middle parting sheet;
a fluid path A fin structure brazed to said second parting sheet and said middle parting sheet;
a middle parting sheet brazed to said fluid path A fin structure, said fluid path A closure bar, said fluid path B fin structure and said fluid path B closure bar;
a fluid path B closure bar brazed to said middle parting sheet and said first parting sheet;
a fluid path B fin structure brazed to said middle parting sheet and to said first parting sheet; and
a first parting sheet brazed to said fluid path B fin structure, said fluid path B closure bar and a first face sheet.
12. A cold plate assembly comprising:
a first end sheet;
a first parting sheet brazed to said first end sheet, said path B closure bar and said fluid path B fin structure;
a fluid path B closure bar brazed to said first parting sheet and said middle parting sheet;
a fluid path B fin structure brazed to said first parting sheet and said middle parting sheet;
a middle parting sheet brazed to said fluid path B fin structure, said fluid path B closure bar, said fluid path A fin structure and said fluid path A closure bar;
a fluid path A closure bar brazed to said middle parting sheet and said second parting sheet;
a fluid path A fin structure brazed to said middle parting sheet and to said second parting sheet;
a second parting sheet brazed to said fluid path A fin structure, said fluid path A closure bar and said first face sheet; and
a face sheet brazed to said second parting sheet.
13. The cold plate assembly as recited in claim 12, wherein said face sheet is larger than said second parting sheet.
14. The cold plate assembly as recited in claim 12, wherein said first parting sheet, said middle parting sheet and said second parting sheet are manufactured of a braze alloy.
15. The cold plate assembly as recited in claim 14, wherein said braze alloy melts during a brazing process to form an integral structure.
US12/748,549 2010-03-29 2010-03-29 Integral cold plate and honeycomb facesheet assembly Abandoned US20110232866A1 (en)

Priority Applications (4)

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US12/748,549 US20110232866A1 (en) 2010-03-29 2010-03-29 Integral cold plate and honeycomb facesheet assembly
JP2011052320A JP2011208932A (en) 2010-03-29 2011-03-10 Cold plate assembly
EP11250368A EP2372757A3 (en) 2010-03-29 2011-03-24 Integral cold plate and honeycomb facesheet assembly
CN2011100764350A CN102209453A (en) 2010-03-29 2011-03-29 Integral cold plate and honeycomb facesheet assembly

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US12/748,549 US20110232866A1 (en) 2010-03-29 2010-03-29 Integral cold plate and honeycomb facesheet assembly

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US20110232866A1 true US20110232866A1 (en) 2011-09-29

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EP (1) EP2372757A3 (en)
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EP2372757A3 (en) 2012-12-26
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EP2372757A2 (en) 2011-10-05

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