| 摘要 |
A hydraulic system is preferably used in combination with a motor and a clutch of a hybrid vehicle. The hydraulic system is comprised of a pump coupled with the motor to pressurize fluid; a pressurized fluid path coupled with the pump to conduct the pressurized fluid; an operating fluid path connecting the pressurized fluid path with the clutch to actuate the clutch; a depressurized fluid path to conduct depressurized fluid; and an on-off valve operated in cooperation with the clutch to selectively permit fluid connection of the pressurized fluid path to the depressurized fluid path so as to relieve pressure in the pressurized fluid path.
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