IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0322804
(2002-12-19)
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우선권정보 |
FR-0016543 (2001-12-20) |
발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
9 인용 특허 :
4 |
초록
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The invention provides an on-board fuel feed system for a motor vehicle, including a fuel tank and device for introducing additive into the fuel, the device comprising an additive tank and pumping device for pumping the additive to direct it to an introduction point for introducing the additive into
The invention provides an on-board fuel feed system for a motor vehicle, including a fuel tank and device for introducing additive into the fuel, the device comprising an additive tank and pumping device for pumping the additive to direct it to an introduction point for introducing the additive into the fuel, wherein the additive tank is housed inside the fuel tank.
대표청구항
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1. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce
1. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the fuel tank comprises at least two compartments adapted to receive fuel and that are interconnected, a main compartment containing a main fuel-drawing module adapted to draw fuel for sending to a site of use, a secondary compartment containing a secondary fuel-drawing module provided with a baseplate adapted to be fixed to one of the walls of said secondary compartment and adapted to draw the fuel contained in said secondary compartment to be sent into the main compartment or into the main drawing module, wherein said additive tank is housed inside said secondary compartment of the fuel tank.2. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein said additive pumping device is received inside said additive tank.3. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein said additive pumping device comprises a metering pump adapted to deliver a measured quantity of additive under the control of a control device.4. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein said additive pump device comprises a suction pump, and wherein the additive introduction point is an injector.5. A system according to claim 3, wherein the additive introduction point is situated on a baseplate of the main drawing module.6. An on-board fuel reed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the additive introduction point is situated on a wall of the main compartment.7. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, further including an additive deflection device underlying the additive introduction point and adapted to deflect the delivered additive to outside a reserve bowl of the main drawing module.8. A system according to claim 1, wherein the secondary drawing module includes a jet pump.9. A system according to claim 1, wherein said secondary drawing module includes a fuel gauge.10. A system according to claim 1, wherein the secondary drawing module is housed in a setback formed in a side wall of the additive tank.11. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the additive tank contains a sensor adapted to sense the additive level.12. A system according to claim 1, wherein the secondary drawing module is mounted on equipment that is movable in vertical translation, said system further comprising resilient device adapted to urge the secondary drawing module towards the bottom of the fuel tank, said secondary drawing module being urged towards the bottom of the fuel tank by the resilient device.13. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, further comprising, a valve adapted to be open when the pressure of the additive exceeds a rated threshold of the valve and otherwise to be closed, the valve being located between the additive pumping device and the additive introduction point.14. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the additive introduction point includes a coupling, the coupling having an outlet placed facing a furrow provided in an outside surface of a reserve bowl of the main drawing module.15. A system according to claim 14, wherein the coupling is extended by a tube located in the furrow.16. A system according to claim 15, wherein the tube is provided at its outlet, situated close to the base o the tank, with an endpiece designed to direct the additive away from the reserve bowl.17. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the additive tank is made of polyoxymethylene.18. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, further including an additive injector carried by a fuel transfer line disposed between a secondary fuel compartment and a main compartment.19. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the additive tank carries a removable pump on a wall of the additive tank so as to enable said additive tank to be filled after the pump is removed.20. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the additive tank is associated with a baseplate, and wherein a resilient device is interposed between the baseplate and the additive tank, the resilient device being adapted to urge the additive tank against a complementary retaining device provided at a bottom wall of the fuel tank and to urge the baseplate against a complementary retaining device provided at a top wall of the fuel tank.21. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the additive tank is associated with a baseplate, a resilient device being interposed between the baseplate and the additive tank, the resilient device being adapted to urge the additive tank against a complementary retaining device provided at a bottom wall of the fuel tank, the baseplate being adapted to be fixed to a top wall of the fuel tank.22. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, further including a retention device adapted to retain the additive tank in the fuel tank, the retention device comprising a vertical fixing device and horizontal fixing device.23. A system according to claim 22, wherein the retention device is provided on an insert adapted to be fixed to the bottom wall of the fuel tank.24. A system according to claim 23, wherein the insert has a device comprising grooves with converging edges.25. A system according to claim 23, wherein the insert defines a cage having resilient tongues with catches adapted to retain a base of the additive tank.26. An on-board fuel feed system for a motor vehicle, the system comprising a fuel tank and a device adapted to introduce additive into fuel, the device comprising an additive tank and pumping device adapted to pump the additive and to direct the additive to an introduction point adapted to introduce the additive into the fuel, wherein the additive tank is housed inside the fuel tank, wherein the additive tank is provided with at least two orifices in a top wall, one of the orifices enabling filling, the other orifice enabling degassing and being associated with a device adopted to determine a maximum depth of the additive.27. A system according to claim 26, wherein one of the orifices is provided with a pipe which extends inside the additive tank down to a desired maximum depth.28. A system according to claim 27, wherein the pipe that extends inside the additive tank down to the desired maximum depth forms a cylindrical cage adapted to receive the additive pump.29. A system according to claim 24, wherein the insert is of a dovetail shape provided in the bottom wall of the fuel tank.30. A motor vehicle having the fuel feed system according to claim 28.
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