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    • 8. 发明授权
    • Evaporative fuel controller for internal combustion engine
    • 内燃机蒸发燃油控制器
    • US5906189A
    • 1999-05-25
    • US16116
    • 1998-01-30
    • Takeshi MukaiHarumi SuzukiHitoshi Nakashima
    • Takeshi MukaiHarumi SuzukiHitoshi Nakashima
    • F02M25/08F02M37/04
    • F02M25/089
    • An evaporative fuel controller for an internal combustion engine to prevent blow-off of fuel and/or outflow of emissions immediately after fuel is fed into a fuel tank, and to prevent a large quantity of evaporative fuel from flowing into a canister during engine operation. The controller includes a filler tube having a filler passage therein; a check valve for closing the filler passage immediately after the supply of fuel to the fuel tank; a refueling vapor control valve disposed on the fuel tank and communicating with the evaporation passage; a tank-side communication passage for communicating the refueling vapor control valve with the filler passage upstream of the check valve; a first communication passage for communicating the tank-side communication passage and the canister with one another; a first two-way check valve positioned in the first communication passage; a fuel cut valve located on the fuel tank; a second communication passage for communicating the fuel cut valve and the canister with one another; a second two-way check valve disposed in the second communication passage; a third communication passage bypassing the second two-way check valve and communicating with the second communication passage; and a two-way solenoid valve provided in the third communication passage.
    • 一种用于内燃机的蒸发燃料控制器,用于在燃料进入燃料箱之后立即防止燃料喷出和/或排放物流,并且防止大量的蒸发燃料在发动机运行期间流入罐中。 所述控制器包括其中具有填充通道的加注管; 止回阀,用于在向燃料箱供给燃料之后立即关闭填充通道; 设置在燃料箱上并与蒸发通道连通的加油蒸汽控制阀; 一个罐侧连通通道,用于使加油蒸汽控制阀与止回阀上游的填充通道相通; 用于使罐侧连通通道和罐彼此连通的第一连通通道; 位于第一连通通道中的第一双向止回阀; 位于燃料箱上的燃料切断阀; 第二连通通道,用于将燃料切断阀和罐彼此连通; 设置在第二连通通道中的第二双向止回阀; 绕过所述第二二通止回阀并与所述第二连通通道连通的第三连通通道; 以及设置在第三连通通道中的双向电磁阀。