An engine stall prevention apparatus for hybrid vehicle...

Details An engine stall prevention apparatus for hybrid vehicle... An engine stall prevention apparatus for hybrid vehicle...

B - Operations, Transporting

60

K

B60K 26/00 (2006.01) B60L 11/12 (2006.01) B60K 6/04 (2006.01)

Patent

CA 2327621

This invention relates to an engine stall prevention apparatus for a hybrid vehicle. This engine stall prevention apparatus comprises a clutch operation detection device which detects an operation of a clutch; a clutch state determination device which determines the state of the clutch based on the relationship between the vehicle speed and the engine speed; a throttle opening degree determination device which determines the degree of throttle opening of the engine; a first engine speed modification device (S010) which modifies a charging/regeneration allowing lower limit engine speed value above which deceleration regeneration by the electric motor is allowed; and a half engaged clutch determination maintaining device (S008) which outputs a determination signal indicating that the clutch is half engaged for a predetermined period of time when the throttle is completely closed and the clutch is determined to be half engaged. When a half engaged clutch determination is maintained, the first engine speed modification device elevates the charging/regeneration allowing lower limit engine speed value.

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