Clutch actuation system with locking mechanism and method of controlling engagement of a clutch
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United States of America Patent
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Feb 22, 2011
Grant Date -
Feb 19, 2009
app pub date -
Aug 16, 2007
filing date -
Aug 16, 2007
priority date (Note) -
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Abstract
A clutch actuation system for engaging and disengaging a clutch includes a hydraulically-actuated piston movable in response to hydraulic pressure to an apply position in which the piston is operable to engage the clutch. An electro mechanical actuator is movable in response to electric power to contact the piston at the apply position such that the clutch is maintained in an engaged state by the actuator, thereby permitting hydraulic pressure to be released. A method of controlling engagement of the clutch is also provided.
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