| 摘要 |
<P>PROBLEM TO BE SOLVED: To manually control a clutch by a clutch pedal even in a disconnecting state of the clutch according to automatic control in a hybrid vehicle. <P>SOLUTION: This system comprises hydraulic chambers A, B, C partitionarily formed by two pistons 20a, 20b slidable in the shaft direction inside one cylinder 20, an automatic control circuit 21 for feeding/discharging hydraulic pressure of the hydraulic chamber A, a hydraulic actuator 8 for connecting/disconnecting the clutch using hydraulic pressure of the hydraulic chamber B as a drive force, a manual control circuit 25 for connecting a master cylinder 24 linking with the clutch pedal 23 with the hydraulic chamber C, a means 14 for detecting a stroke of the clutch 3, a pedal switch 14a that turns when in the initial position where the stroke of the clutch pedal adds a play to that of the master cylinder, and a means 10 for controlling to open the hydraulic chamber A to the low pressure side during a period till turning on again of the pedal switch when the pedal switch is turned off in a disconnecting state of the clutch on the basis of the detected signals. <P>COPYRIGHT: (C)2003,JPO |
