公开(公告)号：WO2014154159A1

公开(公告)日：2014-10-02

申请号：PCT/CN2014/074190

申请日：2014-03-27

Applicant: SHENZHEN BYD AUTO R&D COMPANY LIMITED ,  BYD COMPANY LIMITED

Inventor： LI, Song ,  CHEN, Yanjun ,  DENG, Decai ,  SU, Qingyan ,  REN, Lin

IPC: F02M37/08 ,  F02D41/20 ,  F02D41/30

CPC classification number: F02D41/3082 ,  F02D33/003 ,  F02D2200/0602 ,  F02D2200/602 ,  F02D2250/31 ,  F02M37/10

Abstract: A fuel supply system (1000) and a fuel supply control method for an engine (60) of a vehicle are provided. The fuel supply system (1000) includes: a first detecting unit (10) configured to detect an operating state of the vehicle to generate an operating state signal; an engine control unit (20) connected with the first detecting unit (10) and configured to obtain an opening degree of a throttle valve according to the operating state signal, to obtain a current fuel demand according to the opening degree, and to generate a fuel demand control signal based on the current fuel demand; a fuel pump (30) configured to supply fuel to the engine (60); a fuel pump motor (40) configured to drive the fuel pump (30); and a fuel pump motor control unit (50) connected with the fuel pump motor (40) and the engine control unit (20) respectively and configured to control the fuel pump motor (40) according to the fuel demand control signal.

Abstract translation: 提供燃料供给系统（1000）和用于车辆的发动机（60）的燃料供给控制方法。 燃料供给系统（1000）包括：第一检测单元（10），被配置为检测车辆的运行状态以产生运行状态信号; 与第一检测单元（10）连接的发动机控制单元（20），其被配置为根据操作状态信号获得节气门的开度，以根据开度获得当前的燃料需求量，并且生成 燃料需求控制信号基于目前的燃料需求; 配置为向所述发动机（60）供给燃料的燃料泵（30）。 构造成驱动燃料泵（30）的燃料泵马达（40）; 以及分别与所述燃料泵电动机（40）和所述发动机控制单元（20）连接的燃料泵电动机控制单元（50），并且构成为根据所述燃料需求控制信号来控制所述燃料泵电动机（40）。