IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0374792
(2003-02-25)
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발명자
/ 주소 |
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출원인 / 주소 |
- Denso International America, Inc.
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
5 인용 특허 :
36 |
초록
▼
A fuel pump module and method for mounting such to a fuel tank having a limited mounting depth, includes a reservoir, a modular flange, and a compressible coupling element, wherein the modular flange and the reservoir containing the fuel pump are connected offset to each other vertically, by means o
A fuel pump module and method for mounting such to a fuel tank having a limited mounting depth, includes a reservoir, a modular flange, and a compressible coupling element, wherein the modular flange and the reservoir containing the fuel pump are connected offset to each other vertically, by means of the compressible coupling element. Upon installation in a shallow fuel tank, the offset attachment provides for the reservoir, to be biased against the bottom wall of the fuel tank without vertically interfering with the modular flange embodying various components such as vent valves or carbon canisters, which after mounting, are at least partially adjacent horizontally to the reservoir within the fuel tank.
대표청구항
▼
1. A fuel pump module for mounting to a fuel tank having a limited mounting depth, comprising:a modular flange, for sealing and attaching through an aperture in the fuel tank, said flange having a top side, a bottom side, and a vertical center, said modular flange having an accessory component exten
1. A fuel pump module for mounting to a fuel tank having a limited mounting depth, comprising:a modular flange, for sealing and attaching through an aperture in the fuel tank, said flange having a top side, a bottom side, and a vertical center, said modular flange having an accessory component extending from said bottom side and collectively defining a flange mounting height; a reservoir attached to said modular flange offset from said center, and adapted to be inserted into said fuel tank through said aperture in an upright orientation and maintaining a substantially parallel relationship with a bottom surface of the fuel tank, said reservoir having a height less than the mounting depth of the fuel tank; and a vertically-compressible attachment means operatively connecting said flange to said reservoir; wherein the sum of said flange mounting height, and said reservoir height defines a fuel pump module height, and is greater than the fuel tank mounting depth. 2. The fuel pump module of claim 1 wherein said accessory component is attached to said bottom side of said modular flange in an offset relationship from said vertically compressible attachment means.3. The fuel pump module of claim 2 wherein said vertically-compressible attachment means defines an axis intersecting said modular flange and said reservoir in an installed position.4. The fuel pump module of claim 1 wherein said compressible attachment means comprises at least one spring-biased strut.5. The fuel pump module of claim 1 wherein said compressible attachment means attaches to one end of said reservoir.6. The fuel pump module of claim 1 wherein when said vertically-compressible attachment means is compressed, said modular flange is at least partially horizontally adjacent to said reservoir.7. The fuel pump module of claim 6 wherein when attachment means is compressed, said fuel pump module height is approximately equal to the fuel tank mounting depth.8. A method of mounting a fuel pump module to a fuel tank having a limited mounting depth and an aperture through an upper wall, said pump module comprising: a modular flange having a top side, a bottom side, a vertical center, said modular flange having an accessory component extending from said bottom side; a reservoir attached to said modular flange offset from said center, having a height less than the mounting depth of the fuel tank; a vertically-compressible attachment means, operatively connecting said flange to said reservoir and defining an axis intersecting said modular flange and said reservoir;comprising the steps of: positioning the fuel pump module above the fuel tank whereby said reservoir is positioned substantially upright and in line with the aperture of the fuel tank whereby said reservoir defines an upright outer dimension suitable to be accepted vertically through the aperture; lowering said fuel pump module towards the fuel tank until said reservoir traverses through the aperture and contacts the bottom wall of the fuel tank, opposite the aperture; sliding said fuel pump module horizontally relative to an upper surface of the fuel tank, so as to position the fuel pump modular flange directly in line above said aperture, and consequently locate said reservoir inside the fuel tank at an offset relationship with the aperture; applying downward force to said modular flange, compressing the attachment means of said module until said modular flange closes the aperture in the fuel tank; and attaching the modular flange to the fuel tank. 9. The method of mounting a fuel pump module to a fuel tank in claim 8 wherein the said step for attaching the modular flange to the fuel tank comprises clamping said modular flange to the upper wall of the fuel tank.10. A fuel pump module for mounting to a fuel tank, comprising:a modular flange adapted to sealably mate with an aperture defined through a planar surface of the fuel tank; a reservoir having an upper surface, a lower surface and an outer wall extending between said upper and lower surface, wherein said reservoir is coupled to said modular flange and adapted to be received through said aperture in a substantially upright orientation wherein said lower surface maintains a substantially parallel relationship with said planar surface of the fuel tank; an accessory component coupled to said modular flange and adapted to extend through said aperture; and a vertically compressible attachment means coupling said reservoir and said modular flange, said vertically-compressible attachment means defining an axis intersecting said reservoir and said module flange; wherein said vertically-compressible attachment means is offset from said accessory component whereby when said modular flange is translated toward said reservoir into an installed position, at least a portion of said accessory component intersects a plane defined by said upper surface of said reservoir without interfering with said reservoir.
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