| 摘要 |
A device is provided for mechanically disengaging an automatically engaged clutch device. The clutch device has a hydraulic or electrical disengaging mechanism. The hydraulic disengaging mechanism has a disengaging lever that can be moved via a hydraulic disengaging cylinder and has a central disengaging bearing. The central disengaging bearing relieves a contact disk mechanically prestressed with a contact pressure upon activation of the hydraulic disengaging cylinder, and releases a clutch disk. An electrical disengaging mechanism works with clutch lamellae, which are released when a solenoid element is excited, and mechanically block a clutch disk with the solenoid element de-energized. An electrically operated hydraulic pump with electrically operated hydraulic valve or an electrically actuated solenoid element with electrically actuated coupling lamellae can automatically disengage an automatically engaged clutch device via the disengaging mechanism during automatic switching processes. A hydraulic supply line secured by a check valve is coupled to the electrical hydraulic pump or to the solenoid element, and connected with a manual hydraulic pump to release a blocked clutch disk.
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