Hydraulic actuating device for actuation of one or more setting elements in, in particular, a motor vehicle transmission

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9476431
APP PUB NO 20130008156A1
SERIAL NO

13541070

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An actuating device for hydraulically actuating at least one setting element comprising a pump, which has an electric pump drive, with reversible pumping direction, at least one double-acting piston-cylinder arrangement, which is connected therewith and the piston of which is operatively connected with the setting element, and a hydraulic fluid reservoir from which the hydraulic fluid can be pumped to the piston-cylinder arrangement in order to hydraulically load the piston thereof for a setting element movement depending on pumping direction on one (effective surface 22) or other (effective surface 24) side. In this connection, the piston-cylinder arrangement is functionally associated with a detent device with a blocking element, which is spring-biased into a blocking position preventing setting element movement and is movable by an electrically activatable actuator from the blocking position into a release position permitting setting element movement.

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First Claim

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Patent Owner(s)

  • FTE AUTOMOTIVE GMBH

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Heubner, Wilhelm Itzgrund, DE 20 103
Lenke, Sonja Bamberg, DE 4 53

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