OIL PRESSURE SUPPLY DEVICE FOR HYBRID VEHICLE

摘要

PROBLEM TO BE SOLVED: To perform limp home during the occurrence of a motor generator fail containing the source trouble of a hybrid vehicle. SOLUTION: A hybrid vehicle is provided with a hydraulically-operated clutch C arranged between an engine and a motor generator and the main oil pump 1 of an oil pressure supply device is provided with a power train driven by a motor generator. A sub-oil pump 2 is provided to feed a working oil pressure to the clutch C even when drive of the main oil pump 1 is impracticable. When the main oil pump 2 is driven through engagement of the clutch C, the subsoil pump 2 is separated away from the engine by a drive release means 3.