HYBRID CAR

PROBLEM TO BE SOLVED: To improve the vehicular energy efficiency of a hybrid vehicle traveling with intermittent operation of an internal combustion engine. SOLUTION: A start threshold Pstart and a stop threshold Pstop are set so as to become smaller, the higher the vehicle speed is, and becomes sma...

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Bibliographische Detailangaben
1. Verfasser: KOTANI TAKESHI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To improve the vehicular energy efficiency of a hybrid vehicle traveling with intermittent operation of an internal combustion engine. SOLUTION: A start threshold Pstart and a stop threshold Pstop are set so as to become smaller, the higher the vehicle speed is, and becomes smaller the lower the temperature Tb of a battery is; when an engine command power requested for an engine when a vehicle travels by stopping the operation of the engine reaches the start threshold Pstart or more, the engine is automatically started, so that the vehicle can travel with a power from the engine and a power from a motor; and when the engine command power becomes less than the stop threshold Pstop when the vehicle travels by operating the engine, the engine is automatically stopped, so that the vehicle can travel due to the power from the motor. COPYRIGHT: (C)2011,JPO&INPIT