The present invention relates to an apparatus and method for preventing an overflow of fuel in an automotive fuel tank, and more particularly, aims to provide an apparatus and method for preventing an overflow of fuel in an automotive fuel tank, which is configured to temporarily store liquid fuel, overflowed from a fuel tank through a vent valve, in a fuel overflow prevention chamber, and to drive a fuel pump in a reverse direction at a start-off time so as to recover the fuel in the fuel overflow prevention chamber to the fuel tank, thereby preventing an overflow of the liquid fuel into a canister.
본 발명은 자동차 연료탱크의 연료 넘침 방지 장치 및 방법에 관한 것으로, 상세하게는 주행중에 벤트 밸브를 통해 연료탱크에서 넘친 액상의 연료를 연료넘침방지챔버에 임시 보관하고, 시동 오프 시 연료펌프를 역방향으로 구동시켜 상기 연료넘침방지챔버의 연료를 연료탱크로 회수함으로써 캐니스터로 액상의 연료가 넘치는 현상을 방지할 수 있는 자동차 연료탱크의 연료 넘침 방지 장치 및 방법을 제공하는데 그 목적이 있다.
Apparatus and method for preventing fuel flowing of vehicle fuel tank
자동차 연료탱크의 연료 넘침 방지 장치 및 방법
2018-01-22
Patent
Electronic Resource
Korean
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / F02M Zuführen von Brennstoff-Luft-Gemischen oder deren Bestandteilen bei Brennkraftmaschinen allgemein , SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF |
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