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    • 19. 发明授权
    • Engine control system for hybrid vehicle
    • 混合动力汽车发动机控制系统
    • US06352489B1
    • 2002-03-05
    • US09520628
    • 2000-03-07
    • Shigetaka KurodaKazutomo SawamuraYoichi IwataKeisuke UchidaYasuo Nakamoto
    • Shigetaka KurodaKazutomo SawamuraYoichi IwataKeisuke UchidaYasuo Nakamoto
    • B60R4102
    • B60W20/40B60K6/48B60K6/485B60K6/547B60L15/20B60L2240/441B60L2240/486B60W10/02B60W10/06B60W20/00B60W2510/0638B60W2540/16F02N11/0822F02N11/0833Y02T10/48Y02T10/6221Y02T10/6226Y02T10/645Y02T10/7275Y10S903/903Y10S903/914Y10S903/919Y10S903/946Y10S903/951Y10T477/26Y10T477/27Y10T477/32
    • The engine control system for a hybrid vehicle, according to the present invention, having an internal combustion engine and an electric motor as driving force sources, comprises: a clutch, provided between the engine and a transmission system, for disabling and enabling driving force transmission between the engine and the transmission system; clutch disengagement detector for detecting engagement/disengagement of the clutch; engine speed detector for detecting an engine speed; and fuel cutter for permitting stopping and restarting of the engine in accordance with at least a result of detection by the clutch disengagement detector among predetermined drive conditions, and cutting fuel supply to the engine when the vehicle decelerates, a fuel-supply restart engine speed at which fuel supply is resumed being set in the fuel cutter. Stopping the engine is accomplished by cutting fuel supply by the fuel cutter, and once the engine stop is initiated, even when the engine speed reaches the fuel-supply restart engine speed, fuel supply cut by the fuel cutter is maintained, and when the engine speed detected by the engine speed detector at a time of disengagement of the clutch is detected by the clutch disengagement detector is equal to or lower than a predetermined engine speed, fuel supply cut by the fuel cutter is maintained whereas when the detected engine speed is higher than the predetermined engine speed, fuel supply is restarted.
    • 根据本发明的用于具有内燃机和电动机作为驱动力源的混合动力车辆的发动机控制系统包括:设置在发动机和变速器系统之间的离合器,用于禁用和使能驱动力传递 在发动机和变速器系统之间; 离合器分离检测器,用于检测离合器的接合/分离; 用于检测发动机转速的发动机转速检测器; 以及燃料切割器,用于根据至少在预定的驱动条件下的离合器分离检测器的检测结果,使发动机停止和再起动,以及当车辆减速时切断向发动机的燃料供给,将燃料供给重启发动机转速设定在 哪个燃料供应恢复被设置在燃料切割机中。 停止发动机是通过切断燃料切割器的燃料供给来实现的,并且一旦发动机停止启动,即使当发动机转速达到燃料供给重新启动发动机转速时,由燃料切割器保持的燃料供给被维持,并且当发动机 由离合器分离检测器检测到的离合器分离时由发动机转速检测器检测出的速度等于或低于预定的发动机转速,由燃料切割器切断的燃料供给被维持,而当检测到的发动机转速较高时 比预定的发动机转速重新开始燃料供给。