Patent ID: 6679214
Filing Date: 2004-01-20
Classification: B60K,B60L,B60W,F02D,F02M,F02N,Y02T,Y10S

Abstract:
A control system for automatically stopping and starting an engine of a vehicle, comprising:a fuel tank in which evaporating fuel is generated; a canister for absorbing the evaporating fuel generated in the fuel tank and purging the absorbed evaporating fuel into an air intake system of the engine; a pressure control section for controlling the inner pressure of the fuel tank in a manner such that the internal pressure is maintained at a predetermined level at least while the engine is operated, wherein said predetermined level is lower than the atmospheric pressure; and an engine stop/start determining section for stopping or starting the vehicle according to the driving state of the vehicle, wherein the engine stop/start determining section determines to prohibit an engine stopping operation when the internal pressure of the fuel tank is higher than the predetermined level.