Hybrid vehicle and control method of same

Details Hybrid vehicle and control method of same Hybrid vehicle and control method of same

2007-05-08

2007-05-08

Bottorff, Christopher (Department: 3618)

Motor vehicles

Power

Electric

C180S065310, C701S022000

Reexamination Certificate

active

10648392

ABSTRACT:
A delay time for delaying starting of an internal combustion engine in a hybrid vehicle is set to a predetermined time based on an engine coolant temperature and a state of an air conditioner switch. Starting of the engine is delayed for the predetermined time if it is determined that a vehicle can run using only a motor based on a required torque, a required power and an SOC of the battery. The predetermined time is determined based on a time necessary for completing preheating of an engine by a preheating device, preparations of sensors such as an air-furl ratio sensor, and warming-up of an exhaust gas purifying device. As a result, it is possible to efficiently perform start of the engine and operation immediately after the engine start, and to make control at the engine start time simple.

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Japanese Office Actions dated Jun. 22, 2004 and Sep. 6, 2005 with partial translation thereof.

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