Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 21, 2007
Patent Application Number
11244807
Date Filed
October 6, 2005
Patent Primary Examiner
Patent abstract
A power steering system for a vehicle includes a hydraulic pump interconnected with a power steering gear and a fluid coupling that operatively connects a drive shaft of an engine of the vehicle with the hydraulic pump. The power steering system also includes an electronic controller operable to provide a variable control signal based on received input and a power electronic converter that energizes the fluid coupling in response to the control signal to vary torque transmitted via said fluid coupling.
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