发明名称 Fuel supply system of internal combustion engine
摘要 A fuel supply system of an internal combustion engine includes: a pressure adjustment device provided on a fuel flow path that connects a fuel pump and an injector; a return flow path for returning a fuel discharged from the pressure adjustment device to a fuel tank; a fuel property sensor disposed in the return flow path; a fuel pump control portion that actuates the fuel pump at a predetermined programmed timing, when the internal combustion engine is in a stopped state; and a fuel property determination portion that determines a fuel property of the fuel in the fuel tank by using an output value of the fuel property sensor, when the fuel pump is actuated during the stopped state of the internal combustion engine.
申请公布号 US8839769(B2) 申请公布日期 2014.09.23
申请号 US201213416867 申请日期 2012.03.09
申请人 Toyota Jidosha Kabushiki Kaisha 发明人 Sasai Mie;Wakao Kazuhiro
分类号 F02D19/08;F02M43/02;F02M63/02;F02D41/00;F02M37/00;F02D41/38 主分类号 F02D19/08
代理机构 Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C. 代理人 Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.
主权项 1. A fuel supply system of an internal combustion engine, comprising: a pressure adjustment device provided on a fuel flow path that connects a fuel pump and an injector; a return flow path for returning a fuel discharged from the pressure adjustment device to a fuel tank; a fuel property sensor disposed in the return flow path; a fuel pump control portion that actuates the fuel pump at a predetermined programmed timing, when the internal combustion engine is in a stopped state; and a fuel property determination portion that determines a fuel property of the fuel in the fuel tank by using an output value of the fuel property sensor, when the fuel pump is actuated during the stopped state of the internal combustion engine.
地址 Toyota-shi JP