Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Serge Nassif0
Date of Patent
March 25, 2008
0Patent Application Number
111919200
Date Filed
July 29, 2005
0Patent Primary Examiner
Patent abstract
A hydraulic linear drive for a hydraulic vehicle transmission actuator has a piston/cylinder unit in which an adjusting piston is arranged so it is longitudinally displaceable in a cylinder housing and subdivides the cylinder space into at least two pressure spaces which can receive hydraulic oil through control lines. The optional pressure action on the two pressure spaces is controllable by a shift valve. A connecting line is provided between the two control lines leading to the pressure spaces and a control valve is provided for optionally releasing or blocking the connecting line to further control the pressure force acting on the piston.
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