IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0006396
(2004-12-07)
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§371/§102 date |
20030801
(20030801)
|
발명자
/ 주소 |
|
출원인 / 주소 |
- Denso International America, Inc.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
20 인용 특허 :
37 |
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 defining an aperture, the fuel pump module comprising:a modular flange having a top and bottom surface, the modular flange mounted on a top exterior of the fuel tank; a fuel pump reservoir that resides on a bottom interior of the fuel tank, the reser
1. A fuel pump module for mounting to a fuel tank defining an aperture, the fuel pump module comprising:a modular flange having a top and bottom surface, the modular flange mounted on a top exterior of the fuel tank; a fuel pump reservoir that resides on a bottom interior of the fuel tank, the reservoir having a top flat end surface and a bottom flat end surface and a circular side wall joining the top and bottom end surfaces; a fuel inlet tube that passes through the modular flange and into the fuel pump reservoir; a fuel outlet tube that passes through the modular flange and into the fuel pump reservoir; a first attachment shaft that perpendicularly intersects the modular flange and the fuel pump reservoir and connects the modular flange and the fuel pump reservoir; and at least one accessory component that is mounted to the bottom surface of the modular flange and with the modular flange defines a flange mounting height, wherein a sum of the thickness of the modular flange and an end-to-end height of the fuel pump reservoir is greater than a depth of the fuel tank. 2. The fuel pump module of claim 1, wherein the modular flange has a first circular portion of a first diameter and a second circular portion of a second diameter.3. The fuel pump module of claim 2, wherein the first circular portion is larger than the second circular portion, the second circular portion residing within the aperture of the fuel tank.4. The fuel pump module of claim 3, wherein the first circular portion resides on the top exterior surface of the fuel tank.5. The fuel pump module of claim 1, wherein the fuel pump reservoir defines a semi-circular recession in its outer periphery that receives the first attachment shaft.6. The fuel pump module of claim 1, further comprising:a second attachment shaft that perpendicularly bisects the modular flange and the fuel pump reservoir and connects the modular flange and the fuel pump reservoir. 7. The fuel pump module of claim 6, further comprising:a first spring through which the first attachment shaft passes, the spring abutting the bottom of the modular flange and the top surface of the fuel pump reservoir. 8. The fuel pump module of claim 7, comprising:a second spring through which the second attachment shaft passes, the spring abutting the bottom of the modular flange and the top surface of the fuel pump reservoir. 9. The fuel pump module of claim 1, wherein the accessory component resides parallel to the first attachment shaft when the fuel pump module is installed.10. A fuel pump module for mounting to a fuel tank defining an aperture, the fuel pump module comprising:a modular flange having a top and bottom surface, the modular flange mounted on a top exterior of the fuel tank; a fuel pump reservoir that resides on the bottom interior of the fuel tank, the reservoir having a top flat end surface and a bottom flat end surface and a circular side wall joining the top and bottom end surfaces; a fuel inlet tube and a fuel outlet tube that both pass through the modular flange and into the fuel pump reservoir; a first attachment shaft that perpendicularly passes through the modular flange and the fuel pump reservoir and connects the modular flange and the fuel pump reservoir; and at least one accessory component that is mounted to the bottom surface of the modular flange, wherein a sum of a thickness of the modular flange and accessory component is greater than a depth of the fuel tank. 11. The fuel pump module of claim 10, further comprising:a first spring through which the first attachment shaft passes, the first spring abutting the bottom of the modular flange and the top surface of the fuel pump reservoir. 12. The fuel pump module of claim 11, further comprising:a second attachment shaft and a second spring through which the second attachment shaft passes, the second spring abutting the bottom of the modular flange and the top surface of the fuel pump reservoir. 13. The fuel pump module of claim 12, wherein said fuel pump reservoir defines a first recession in its outer, longitudinal periphery within which resides the first attachment shaft.14. The fuel pump module of claim 13, wherein said fuel pump reservoir defines a second recession in its outer, longitudinal periphery within which resides the second attachment shaft.15. The fuel pump module of claim 14, wherein the first and second attachment shafts pass through a non-offset portion of the flange and pump reservoir.16. A fuel pump module for mounting to a fuel tank defining an aperture, the fuel pump module comprising:a flange having a top and bottom surface, the flange mounted on a top exterior of the fuel tank; a fuel pump reservoir that resides on the bottom interior of the fuel tank, the reservoir having a top flat end surface, a bottom flat end surface, and a circular side wall joining the top and bottom end surfaces, wherein the flange and the top flat end surface of the fuel pump reservoir are offset, parallel and overlapping with respect to each other; a fuel inlet tube and a fuel outlet tube that both pass through the modular flange and into the fuel pump reservoir; a first attachment shaft that perpendicularly intersects the modular flange and the fuel pump reservoir and connects the modular flange and the fuel pump reservoir, wherein said fuel pump reservoir defines a first recession in its outer, longitudinal periphery within which resides the first attachment shaft; and at least one accessory component that is mounted to the bottom surface of the modular flange, wherein a sum of a flange thickness and a thickness of the at least one accessory component is greater than a depth of the fuel tank. 17. The fuel pump module of claim 16, wherein at least one of the fuel inlet tube and the fuel outlet tube protrude from the top surface of the fuel pump reservoir at a fuel tank non-aperture location.
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