US20060216175A1 - Oil and gasoline pump and mixing apparatus - Google Patents
Oil and gasoline pump and mixing apparatus Download PDFInfo
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- US20060216175A1 US20060216175A1 US11/386,334 US38633406A US2006216175A1 US 20060216175 A1 US20060216175 A1 US 20060216175A1 US 38633406 A US38633406 A US 38633406A US 2006216175 A1 US2006216175 A1 US 2006216175A1
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- fluid
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- tool
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B41/00—Pumping installations or systems specially adapted for elastic fluids
- F04B41/06—Combinations of two or more pumps
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- General Engineering & Computer Science (AREA)
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Abstract
A metering and mixing mechanism including a housing secured to a location associated with a first fluid holding container. A volume of a second fluid is held within a reservoir incorporated into the housing. A first piston assembly is selectively communicated with the interior volume of fluid held in the container, whereas a second piston assembly communicates with a second volume reservoir internally held within the housing. The first and second piston assemblies are cooperatively actuated to withdraw metered volumes of the first and second fluids, e.g. gas and oil, and to admix said fluids into a common mixing chamber associated with the housing for distribution through an exit spout extending therefrom.
Description
- The present application claims the priority of U.S. Provisional Patent Application Ser. No. 60/664,232, filed Mar. 22, 2005, for an Oil and Gasoline Pump and Mixing Gun.
- 1. Field of the Invention
- The present invention relates generally to mixing and metering devices, such as for use with oil and gasoline reservoirs for intermixing 2-cycle fluid volumes. More specifically, the present invention discloses an oil and gasoline pump and mixing apparatus, capable of withdrawing volumes of gasoline and oil from individual reservoirs, intermixing the discrete fluids at a gate associated with the gun, and depositing the intermixed fluid directly into a reservoir associated with a 2-cycle motorized implement.
- 2. Description of the Prior Art
- The prior art is well documented with examples of oil and gas metering and measuring devices. The purpose in each instance is to provide for an effective ratio of a first fluid (e.g. gas) to a further fluid (e.g. oil) in a desired metered fashion and for such as a two-cycle engine application where it is desired to establish the desired admixture of fluids prior to introduction into a fuel/oil tank associated with the 2 cycle appliance.
- U.S. Pat. No. 6,250,154, issued to Cheresko, teaches a fluid metering and measuring device exhibiting a filling chamber with a fluid inlet and a fluid outlet. One way check valves are disposed at both the inlet and outlet to prevent backflow. A plunger stem includes a piston disposed within a cylindrical chamber. Upon actuating the piston upwardly, a vacuum is created within the cylindrical chamber, resulting a metered volume of oil being caused to flow into the chamber. Upon being depressed downwardly, the piston causes the metered oil volume to be introduced into the main fluid holding body of the device (such as containing gasoline). Gradations or indicia indicate the amount of oil withdrawn into the piston chamber and to ensure proper rationed admixture with the main gas reservoir.
- Other container integrated fluid measuring and proportioning devices include Isberg, U.S. Pat. No. 4,294,273, and which teaches a tube used to mix oil and gasoline in a fuel tank having a one way valve in an end opposite a pouring end of the tube. The tube capacity is related to the capacity of the tank so that a prescribed gasoline to oil ratio can be achieved when a certain mixing procedure is followed.
- U.S. Pat. No. 4,819,833, issued to Huddleston, teaches a measuring, metering and mixing can and which, similar to Cheresko, includes a plunger-cylinder metering unit for withdrawing a selected amount of oil from the container and injecting the same into the gasoline for producing an oil-gasoline mixture. Visual gauges on the gasoline and oil containers permit the metering of specified amounts of oil, and dependent upon the volume of gasoline being held in order to establish a desired mixture ratio.
- U.S. Pat. No. 5,092,492, issued to Centea, teaches a two-component liquid metering, mixing and dispensing gun. A pair of chambers each include front and rear components and communicate with liquid materials contained in pressurized portable cartridges through liquid material inlet openings formed in the rear compartments of each of the chambers. Passageways connect the chambers with an aligned material outlet opening to provide for passage of the material out of the gun. Adjustable rods mounted within each of the chambers are operated by pump means and between positive displacement positions wherein the front ends of the rods are sealingly engaged with the material passage openings and extend into the front compartments of the chambers, and retracted positions wherein the front and rear compartments are allowed to communicate through the material passage opening.
- The pump means is further driven by a portable compress pneumatic cartridge. A mechanical adjustment nut is operatively connected to the piston rod of the pump means for controlling the length of the stroke of the attached positive displacement rods. Check valves mounted adjacent to the chamber outlet openings prevent unintended passage of liquid material out of or back through the outlet openings.
- The present invention discloses a mixing and metering device, such as for use with oil and gasoline reservoirs for intermixing 2-cycle fluid volumes. More specifically, the present invention discloses an oil and gasoline pump and mixing apparatus and which, in a first preferred embodiment withdraws volumes of gasoline and oil from individual reservoirs, which are intermixed at a gate associated with a gun assembly, and depositing the intermixed fluid directly into a reservoir associated with a 2-cycle motorized implement.
- Variants associated with the gun-type assembly include a (smaller) oil reservoir integrally formed with the gun, or associated housing, and such that only a first intake line extends from the gun into an unmixed fuel reservoir. A second outlet line extends into the fuel reservoir associated with the 2-cycle driven implement.
- Additional variants include a pull/push handle and plunger assembly incorporated into a three dimensional housing secured to a flow outlet location of a larger gas holding container. An oil fill port is further provided for charging a volume of oil to be held within a separate reservoir located within the housing, and concurrent with admitting a further desired volume of gasoline into a separate gas holding chamber. Both the admitted volumes of oil and gasoline are held within respective volume holding pistons incorporated into the assembly and, upon fully engaging the handle/plunger assembly downward, admixes the oil supported within the housing with the metered amount of fluid withdrawn from the gasoline reservoir, and expels the combined mixture through an exit spout extending from the housing assembly. The present invention further provides, in a preferred variant, adjustable withdrawal of oil in order to quickly adapt for use with varying gas/oil recipes (ratios) for different 2-cycle powered implements.
- Reference will now be made to the attached drawings, when read in combination with the following detailed description, wherein like reference numerals refer to like parts throughout the several views, and in which:
-
FIG. 1 is a perspective view of the oil and gasoline pump and mixing gun according to a preferred embodiment of the present invention; -
FIG. 2 is a rotated perspective view of the gun illustrated inFIG. 1 ; -
FIG. 3 is schematic, in plan view illustration, and illustrating the operational aspects of the oil and gas pump and mixing gun according to the present invention; -
FIG. 4 is a perspective view of the oil and gas pump and mixing apparatus built into a plunger style housing assembly according to a further preferred embodiment of the present invention; -
FIG. 5 is an enlarged sectional perspective of the assembly shown inFIG. 4 and illustrating the plunger in a fully withdrawn position; -
FIG. 6 is a further enlarged sectional illustration of the cam adjustable aspect of the oil withdrawal piston associated with the assembly; -
FIG. 7 is a rotated plan view illustration of the assembly, again with the handle shown in its most fully retracted position, resulting in both a first volume of oil being drawn from the main reservoir holding oil cylinder into a lower adjustable sub-volume, as well as a volume of gas being admitted into the gas cylinder; -
FIG. 8 is a succeeding illustration to that shown inFIG. 7 and by which the handle is partially depressed to an intermediate position, and by which the oil piston advances in pressurizing fashion within the charged oil cylinder, concurrent with a designated volume of gas being isolated within the corresponding gas cylinder; -
FIG. 9 illustrates the handle in its fully advanced position, and by which oil is forced from its cylinder, under pressure, through a bottom situated check valve and admixed within a common mixing line along with a volume of gas released from its associated cylinder; -
FIG. 10 is a rotated and enlarged view of the housing in its fully retracted position and corresponding toFIG. 7 ; -
FIG. 11 is a likewise rotated and enlarged view corresponding to the illustration ofFIG. 8 and showing the inner components of the housing in its intermediate position; -
FIG. 12 is a corresponding view to the fully advanced position ofFIG. 9 ; -
FIG. 13 is a schematic illustrating the assembly ofFIG. 4 in its fully retracted position corresponding to the oil and gas ratio being set and both interiorly positioned cylinders charged from respective reservoir sources; -
FIG. 14 is a succeeding schematic illustration the assembly in its intermediate/partial stroke position and by which oil is injected into the associated mixing chamber in advance of the volume of gas momentarily being held within its associated gas piston; and -
FIG. 15 is a final and fully advanced stroke condition by which the gas is volume is admixed with the oil in the mixing chamber for delivery through the exit spout. - Referring now to
FIGS. 1 and 2 , a mixing gun is generally illustrated at 10 for intermixing desired volumetric ratios of oil and fuel (gas) according to the present invention. As described previously, the present invention differs from prior art oil and gas mixing devices in that it provides for withdrawing volumes of gasoline and oil from individual reservoirs, intermixing the discrete fluids at a gate associated with the gun, and depositing the intermixed fluid directly into a reservoir associated with a 2-cycle motorized implement. - As is known in the art, many engine powered tools utilize 2-cycle engines that require a specific (and varied) amount of lubricating oil added to gasoline fuel. A homeowner may typically have several such motorized tools, each requiring a different fuel-to-oil mixture. This poses a number of problems to the homeowner, including having to create the desired mixture in an external container for each 2-cycle operated tool/implement which operates off of a distinct fuel and oil mixture.
- The further result of this is the need for several containers, one for each mixture and properly identifying the mixture for future use. Further problems resulting from this are environmental issues when the mixture becomes old and/or the specific oil-to-gasoline ratio is no longer known and the contents of the container need to be disposed.
- The mixing
gun 10 includes a substantially “T” shaped handle including a first 12 and second 14 interconnected and perpendicularly extending portions. An adjustable metering wheel is illustrated at 16 and which is rotatably mounted to an upper end of thehandle portion 14, ataxis 18. - A trigger mechanism is illustrated by “L” shaped
component 20 which is pivotally secured to thehandle portion 14 about a furtherrotational axis 22 downwardly offset from theaxis 18 associated with theadjustable metering wheel 16. Thecomponent 20 includes anangled portion 24, which extends between a gap or spacing in the extendingportion 12 of the handle. Alinkage member 26 pivotally interconnects at a first end 28 to thetrigger portion 24 and at anopposite end 30 to an outer circumferential location associated with thewheel 16. - As best shown in
FIG. 1 , reference arrows 32 illustrate additional positions for connectingadditional linkage members oil withdrawal reservoir 38, as well as extending into a mixingoutlet 40 associated to admit and mix with a gasoline stream. The adjustability aspects associated with thewheel 16 andlinkage members wheel 16, associated with a communicating oil reservoir, and in order to vary the mixture of the oil admitted and mixed with a gas/fuel reservoir. - Also illustrated in
FIGS. 1 and 2 is aninlet connection 42 for vacuum withdrawing fluid from an associated gasoline (not shown) reservoir. Anoutlet 44 associated with thegun 10 is communicated by a hose or other suitable conduit, also not shown inFIGS. 1 and 2 , and in order to communicate a rationally adjusted and admixed stream of gas and oil for direct introduction into a fuel tank associated with a 2-cycle powered implement. -
FIG. 3 is a schematic, in plan view illustration, and which shows the operational aspects of the oil and gas pump and mixing gun according to further preferred variants of the present invention. A gun illustrated generally at 46 includes a manual squeeze handle 48 and spring-biasedtrigger 50, pivotally associated with the handle 48 atpivot point 52. - An adjustable and
metering wheel 54, operating as aprimary cam 54, is operably connected to afirst linkage member 56, pivotally interconnected at 58, thelinkage member 56 extending to an opposite pivotal connection 60 associated with the spring-biasedtrigger 50. A further linkage member 62 is pivotally interconnected at a first end, at 64, with a further location of the primary cam 65 and at aremote end 66 with aprimary pump piston 68. - The
piston 68 includes a check valve 70, openable upon a vacuum pressure being created within thepump 68, and in order to withdraw, through aconnected hose 72, a fluid (such as unmixed gasoline) contained within areservoir 74. Afilter 76 is typically mounted to an end of thehose 72 extending within thereservoir 74. - A
secondary cam 78 is slaved in some fashion to theprimary cam 54, thesecondary cam 78 including a plurality of multiple displacement settings 80 (similar to those previously illustrated at 32 in the variant ofFIGS. 1 and 2 ). Alinkage member 82 pivotally interconnects between a first remote end 84 (associated with a selected displacement setting 80) and an opposite pivotal end 86 associated with a secondary piston pump 88. - The secondary pump 88 operates in cooperation with the
primary pump 68, and such that the secondary pump 88 withdraws (again through the creation of vacuum pressure) a determined volume of fluid from anoil reservoir 90 in operative communication with the secondary pump 88 through acheck valve 91. Anoutlet 92 of the secondary pump 88 communicates with a 2-position valve 94, the purpose for which being to assist in the admittance and mixture of a measured volume of oil, throughoutlet line 96, into a common communicatingoutlet line 98 associated with theprimary pump 68 and in order to intermix, at the point of confluence, with a concurrently withdrawn volume of gasoline. - An overflow return line is also illustrated at 99 extending between the
valve 94 and secondary pump 88 and in order to protect against an overflow/overfill situation during the metering and measuring process.Check valve 100 is located at a downstream location of the combinedoutlet line 98, such providing venting, and prior to engagement by adischarge hose 102 extending to afuel tank inlet 104 of an associated 2-cycle powered device, see as further shown at 106 and represented by two cycle operated chainsaw. - In this fashion, the present invention facilitates direct mixing, at an adjustable and predetermined ratio, of an oil/gas recipe and introduction of a desired volume of that recipe in continuously mixing fashion within a fuel tank of a 2-cycle powered implement. In additional variants, the tool can either be hand (pump) powered or electric motor powered.
- In a preferred application, only gasoline is originally withdrawn, based upon the position of the output valve, and in order to purge air from the pumping system (which is then discharged back into the original gasoline container). Repeated actuation of the
primary pump 68 results in the secondary pump 88 withdrawing and delivering a specified quantity of oil from thereservoir 90. - As is illustrated, oil is withdrawn from the integrally mounted reservoir 90 (due to the smaller volume restrictions of the oil reservoir), it being further understood that the present invention contemplates the provision of a separate fluid reservoir associated with the oil and which can be concurrently withdrawn with gasoline. In this instance, a separate inlet line extends from the secondary pump to the remotely located oil reservoir in similar fashion as that illustrated in use with the
gasoline reservoir 74. - The amount of oil delivered by the secondary pump will be mechanically selectable to achieve the desired ratio of gasoline to oil in a typical range of 20 parts gasoline to 1 part oil (20:1) up to 100 parts gasoline to one part oil (100:1). The check valves integrated into the gun function to maintain the desired flow direction. The two-position valve, previously referenced at 94, operates to either redirect oil back into the integrated
oil reservoir 90 or, in the alternative position, allows the oil to be injected into the discharge hose from the primary pump. An air vent with a one-way check valve is also included in the discharge passageway to allow the fuel/oil mixture to completely flow out of the discharge hose and into the dedicated 2-cycle implement reservoir. - As further referenced by the example of
FIG. 3 , the hand (spring) powered version can be squeezed with one hand (right or left) to provide the necessary energy for pumping. The ratcheting mechanism (see again at 56 inFIG. 3 ) is incorporated into the design to prevent an incomplete stroke of the pumping action. A complete cycle of the pumping action must be completed before a new cycle can be started, thus maintaining the desired mixture ratio. - Additional considerations include the selection of construction materials for the gun, such as which may include plastic and/or metal, however provision can be made to allow a user to observe that that internal passageways have been purged of air, and which could upset the precise metering of the respective fluid volumes. Along these lines, a clear or semi-clear plastic material (resistant to gasoline and oil) can be used and which allows direct viewing of the passageways. An alternate design would be to use metal construction with integrated viewing ports of a glass or plastic material.
- Referring now to
FIG. 4 , a perspective view is generally shown at 108 of an oil and gas pump and mixing apparatus built into a plunger style housing 110 according to a further preferred embodiment of the present invention. Specifically, the housing 110 defines a three dimensional enclosed structure which is secured to a fluid holdinggas container 112, and in particular to a lower associated location of thecontainer 112 for permitting gravity feed of gas through anexit location 114. - As referenced throughout the several succeeding illustrations, the housing 110 is illustrated in substantially transparent fashion and in order to reference its various internal components. The housing 110 further exhibits a three dimensional shape and size and which, as shown, exhibits an upwardly
disposed pump handle 116. Extending downwardly from thehandle 116 are a pair of spaced apartpiston assemblies 118 and 120, these traveling respectively withinoil 122 and gas 124 chambers defined within the housing. - Additional features of the housing assembly 110 include a spring loaded
end portion 126 associated with theoil piston 118 and which is modified in its positioning by an axially end positioned andratio adjusting piston 128, and controlled by acam element 130. Anoil fill port 132 is located at a top location of the housing 110 and to permit filling of an interior chamber of the oil cylinder with oil, from which metered volumes are subsequently withdrawn for admixture with likewise metered volumes of gasoline. It is also envisioned that other variants may include a conduit extending from a remotely located oil volume (not shown) and secured to theoil port 132 for admitting larger volume of oil. Oil withdrawn from the remote reservoir is accordingly admitted into theoil chamber 122 for subsequent admixture with a desired withdrawn volume of gas. Yet additional features shown include a mixingchamber 134 located at a lower communicating location to both the oil and gas piston and cylinder assemblies, and which exits the assembly through anexit spout 136. - Referring to
FIG. 5 , an enlarged sectional perspective of the assembly shown inFIG. 4 further illustrates theplunger 116 in a fully withdrawn position and by which concurrent upward motion of both theoil 118 and gas 120 piston assemblies results in both the associated andvolume holding cylinders 122 and 124 being charged. Specifically, a three dimensional interior volume is defined between a lowermost extending and stem-connectedplunger 138 associated with the gas cylinder and abottom facing surface 140 of an inner cylindricalsolid portion 142. - In the fully withdrawn position of
FIG. 5 , this interior volume is aligned with theexit aperture 114 associated with the maingas holding container 112, thus allowing a selected volume of gas to fill the associated volume 124 defined. Anair vent port 144 is further defined in extending fashion to a lower most positioned gas chamber 146 to assist in subsequent dispensing into the mixinglocation 134. - Concurrently, a given rotary positioning of the disc shaped
cam portion 130, results in establishing a desired positioning of an oil-adjusting piston 128 (and by modifying its linear positioning within oil cylinder). The linear position of theaxial component 128 defines a selected reservoir admitting volume of oil into a lowermost volume holding location and which is established between a lower most facingsurface 148 associated with the spring loadedpiston 126 in contact over theoil adjusting piston 128. Adjustment of the spring loading of theoil piston 126 thus in turn modifies the volume of oil permitted to being withdrawn from a maininterior oil reservoir 122 intopiston location 126. -
FIG. 6 is a further enlarged sectional illustration of the cam adjustable aspect of the oil withdrawal piston associated with the assembly and shows the interior spring 150 held within the oil adjustable andmetering location 126. Acheck valve 152 is located at a bottom of the spring 150, as will be subsequently described, responds to a given pressure application from the oil piston in order to dispel the metered volume of oil into the mixinglocation 134. - Also shown in enlarged fashion in
FIG. 6 is the ability to set the depth of the oil adjusting and admitting 128 by virtue of a stem portion 154 which extends laterally from thecomponent 128 and which seats within an arcuate slot 156 defined in thecam 130. Avertical slot 158 is defined in an outer wall within which theadjustable component 128 is located and through which the stem portion 154 extends. - In this fashion, the
cam 130 is dialed to a desired location, thus pre-positioning thecomponent 128 within the lower most oil receiving (sub) reservoir and prior to vertically withdrawing thehandle 116 upwardly. At this point thebottom facing surface 148 of the spring loadedpiston 126 unseats from the lower most reservoir location (note telescoping and spring biasing displacing motion of theinner piston 126 via an inner recessed seating location defined in the outer piston shaft 118), resulting in the desired volume of oil flowing downwardly from the maininterior oil reservoir 128 and into the lower positioned sub-reservoir location. - Referring now to
FIG. 7 , a rotated plan view is shown of the assembly, again with thehandle 116 shown in its most fully retracted position and uppermost permitted position. This again results in both a first volume of oil being drawn from the maininterior reservoir 122 into a reservoir sub-volume, see at 160, as well as a volume of gas concurrently being admitted into the gas cylinder holding reservoir (see as referenced at 162) according to a desired ratio. -
FIG. 8 is a succeeding illustration to that shown inFIG. 7 , and by which thehandle 116 is partially depressed to an intermediate position, corresponding to the oil piston (see bottom facing surface 148) advancing in pressurizing fashion within the sub-volume location (at 160 inFIG. 7 ), thereby charging the oil cylinder and causing thecheck valve 152 to the metered oil volume into the mixinglocation 134. Concurrently, the designated volume of gas 162 is held in a momentarily isolated manner within the entrapped volume above the lowermost displacedplunger 138 within the corresponding gas cylinder. - As is further shown in
FIG. 9 , thehandle 116 is now illustrated in its fully advanced position, and by which the spaced apartgas cylinder plunger 138 is fully displaced downwardly, thereby permitting the inner volume 162 of gas to be released through a lower most defined aperture, see arrow 164 for admixture with the oil volume introduced into thechamber 134. Theair vent 144 previously identified allows the gas to exit into the mixingchamber 134. -
FIG. 10 illustrates a rotated and enlarged view of the housing in its fully retracted position and corresponding toFIG. 7 . In particular, the modified shaping of the cam slot 156 is shown and which includes both a curved and interconnected/downwardly extending component for facilitating pre-positioning the adjustableoil spacer element 128. -
FIG. 11 is a likewise rotated and enlarged view corresponding to the illustration ofFIG. 8 and showing the inner components of the housing in its intermediate position.FIG. 12 is a corresponding view to the fully advanced position ofFIG. 9 and by which the oil/gas mixture is has been admixed together and dispensed from theexit spout 136. -
FIG. 13 is a schematic illustrating the assembly ofFIG. 4 in its fully retracted position corresponding to the oil and gas ratio being set and both interiorly positioned cylinders charged from respective reservoir sources. In particular, a variant of the design shows acam 166 for adjusting the axial displacement of theoil piston component 128 and further whereas the retracted position of theoil piston 126 exposes the inner oil sub-reservoir 160 (the dimensions of which are again determined by the positioning of the inner disposed oil piston component 128). -
FIG. 14 is a succeeding schematic illustration the assembly in its intermediate/partial stroke position and by which oil is injected into the associated mixing chamber in advance of the volume of gas momentarily being held within its associated gas piston. The downward motion of the handle causes the coil spring surrounding thepiston portion 126 to compress over thesub-volume defining opening 160, thus charging the metered oil volume for administering through thecheck valve 152 and into the mixingchamber 134 once a sufficient pressure has been achieved. - Finally,
FIG. 15 illustrates a schematic of a fully advanced stroke condition, by which the oil and successively the metered gas volume is admixed with the oil in the mixing chamber for delivery through the exit spout. In this condition, the oil piston spring is fully compressed (to ensure all remaining oil is admitted through the check valve 152) and thelowermost plunger 138 is downwardly displaced to the location at which the metered gas volume is released (see again arrow 164) into the mixingchamber 134. - Having described my invention, other and additional preferred embodiments will become apparent to those skilled in the art to which it pertains. In particular, the manually operable hand crank is capable of being either operated by or substituted in favor of a motorized or other suitable powered sub-assembly built into the housing. In this fashion, the mechanism can be more effectively and repetitively operated to administer multiple admixed sub-volumes of oil/gas into a reservoir associated with such as a two-cycle implement 106.
Claims (21)
1. A handheld tool for concurrently withdrawing and admixing first and second fluids, comprising:
a body incorporating at least one piston pump;
a first fluid withdrawal line extending from said pump and communicating with a reservoir containing a volume of the first fluid;
a second fluid withdrawal line extending from said pump and communicating with a second reservoir containing a volume of the second fluid;
a discharge line in fluidic communication with said pump and through which an admixture of said first and second fluids is fed for communication to a remote receptacle.
2. The tool as described in claim 1 , said body further comprising primary and secondary pumps.
3. The tool as described in claim 2 , said primary pump operatively withdrawing fluid from a gasoline reservoir.
4. The tool as described in claim 2 , said secondary pump operatively withdrawing fluid from an oil reservoir.
5. The tool as described in claim 4 , said oil reservoir being integrally defined upon said pump.
6. The tool as described in claim 1 , further comprising an adjustable fluid metering wheel in operative communication with at least one of said first and second fluid withdrawal lines.
7. The tool as described in claim 6 , said metering wheel further comprising a primary cam associated with said first withdrawal line and a secondary cam associated with said second withdrawal line.
8. The tool as described in claim 4 , further comprising a two-position flow valve operatively disposed between said secondary pump and said discharge line.
9. The tool as described in claim 6 , said adjustable fluid metering wheel further comprising a plurality of displacement settings for selectively and pivotally engaging a linkage member extending from said pump.
10. The tool as described in claim 9 , further comprising a substantially T-shaped body, a substantially L-shaped trigger being pivotally associated with said body and actuating additional linkage members associated with said fluid metering wheel to withdraw and admix the first and second fluids.
11. The tool as described in claim 1 , said tool having a specified shape and size and admixing a ratio of the first and second fluids extending from a range of 20:1 to 100:1.
12. The tool as described in claim 1 , said body having a specified shape and size and being constructed of at least one of a metal and a plastic material.
13. The tool as described in claim 12 , further exhibiting at least one transparent viewing port for revealing passageways associated with the first and second fluids.
14. A metering and mixing mechanism, comprising:
a housing secured to a location associated with a first fluid holding container;
a volume of a second fluid held within a reservoir incorporated into said housing;
a first piston assembly selectively communicating with said interior volume of said fluid holding container and a second piston assembly communicating with said second volume reservoir; and
said first and second piston assemblies being cooperatively actuated to withdraw metered volumes of said first and second fluids and to admix said fluids into a common mixing chamber associated with said housing for distribution through an exit spout extending therefrom.
15. The mechanism as described in claim 14 , further comprising a handle mechanism operatively engaging each of said first and second piston assemblies.
16. The mechanism as described in claim 15 , said first piston assembly further comprising a three dimensional interior volume defined between an intermediate portion and a downwardly displaced plunger, retraction of said handle to a first position causing a volume of said first fluid to be admitted into said first piston assembly from said fluid holding container, displacement of said handle to a second position causing said first fluid to be admitted into said mixing chamber.
17. The mechanism as described in claim 15 , said second piston assembly further comprising a first position adjustable and sub-volume defining component, a second spring loaded component selectively unseating in a first position to permit said second fluid to fill said sub-volume, said spring loaded component displacing inwardly against said sub-volume in a second position to forcibly admit said second fluid into said mixing chamber.
18. The mechanism as described in claim 17 , said second piston assembly further comprising a position adjusting cam element, a stem projecting from said axially adjustable sub-volume defining component and seating within a channel configured within said cam element.
19. The mechanism as described in claim 18 , further comprising a spring-loaded check valve associated with a lower position of said position adjustable component.
20. The mechanism as described in claim 14 , further comprising a fill spout extending from a further location associated with said housing and communicating with said second volume holding reservoir.
21. A metering and mixing mechanism, comprising:
a housing exhibiting a three dimensional shape and size;
a first piston assembly incorporated in said housing and communicating with a first externally located fluid reservoir; and
a second piston assembly cooperatively incorporated into said housing and communicating with a second internally located fluid reservoir;
said first and second piston assemblies being cooperatively actuated in a first position to withdraw metered volumes of said first and second fluids, said piston assemblies being actuated to a second position to admix said fluids into a common mixing chamber associated with said housing and for distribution from said housing.
Priority Applications (1)
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US11/386,334 US20060216175A1 (en) | 2005-03-22 | 2006-03-22 | Oil and gasoline pump and mixing apparatus |
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US66423205P | 2005-03-22 | 2005-03-22 | |
US11/386,334 US20060216175A1 (en) | 2005-03-22 | 2006-03-22 | Oil and gasoline pump and mixing apparatus |
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US20060216175A1 true US20060216175A1 (en) | 2006-09-28 |
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US11/386,334 Abandoned US20060216175A1 (en) | 2005-03-22 | 2006-03-22 | Oil and gasoline pump and mixing apparatus |
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US20060239114A1 (en) * | 2005-04-25 | 2006-10-26 | Owens James A | Variably proportional mixing container |
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2006
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US6736536B2 (en) * | 2002-04-12 | 2004-05-18 | Fullfill, Inc. | Apparatus and method for measuring, mixing, and dispensing fluids |
US20060239114A1 (en) * | 2005-04-25 | 2006-10-26 | Owens James A | Variably proportional mixing container |
US20060278658A1 (en) * | 2005-06-13 | 2006-12-14 | George Nisbet | Method and apparatus for metering a fluid mixture |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |