Hydraulic actuating device for actuation of at least one friction clutch and at least one gear setting element in a motor vehicle
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United States of America Patent
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Oct 31, 2017
Issued Date -
N/A
app pub date -
Jan 8, 2014
filing date -
Jul 3, 2012
priority date (Note) -
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Abstract
A hydraulic actuating device for a friction clutch and a gear setting element has a power unit for pressure generation by use of an electrically driven pump. Gear setting and clutch actuating sections are hydraulically connected to the power unit. A detenting device with a blocking element is associated with a piston of the clutch setting cylinder, which is operatively connected with the friction clutch and can be hydraulically loaded on opposite sides. The blocking element is resiliently biased into a blocking setting preventing piston movement and is movable by an actuator from the blocking setting into a release setting permitting piston movement. The pump is reversible in order to load the piston on one or the other side for an actuating movement. The control unit coordinates activation of the pump and actuator in order to disengage or engage the friction clutch.
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