B - Operations – Transporting – 60 – W
Patent
B - Operations, Transporting
60
W
B60W 20/00 (2006.01) B60K 6/48 (2007.10) B60K 6/54 (2007.10) B60L 15/20 (2006.01) B60W 10/02 (2006.01) B60W 10/06 (2006.01) F02D 17/04 (2006.01)
Patent
CA 2300003
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.
Iwata Yoichi
Kuroda Shigetaka
Nakamoto Yasuo
Sawamura Kazutomo
Uchida Keisuke
Honda Giken Kogyo Kabushiki Kaisha
Marks & Clerk
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