Patent ID: 6742614
Filing Date: 2004-06-01
Classification: B60K,B60L,B60W,F02D,F02N,Y02T,Y10S

Abstract:
A control system for a hybrid vehicle having an internal combustion engine, a motor, and a battery, said motor being connected to an output shaft of said engine and having driving and power generating functions, said battery being connected to said motor, said control system comprising:a deceleration detector for detecting deceleration of said vehicle; a fuel cut control device for executing fuel cut control, said fuel cut control device stopping fuel supply to said engine when a fuel cut executing condition is met during vehicle deceleration, and restarting said fuel supply to said engine by canceling the fuel cut when an engine speed drops to a predetermined return engine speed; and a power assist controller to drive said motor to execute power assist control when the engine speed drops to less than said return engine speed.