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Vehicle having hydraulic and power steering systems using a single high pressure pump

United States Patent

May 22, 2001
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A vehicle comprises a plurality of wheels attached to a vehicle housing. Also attached to the vehicle housing is a power steering system, including a fluid flow circuit, which is operably coupled to a number of the wheels. An internal combustion engine attached to the vehicle housing is connected to a hydraulically actuated system that includes a high pressure pump. An outlet of the high pressure pump is in fluid communication with the fluid flow circuit.
Bartley; Bradley E. (Manito, IL), Blass; James R. (Bloomington, IL), Gibson; Dennis H. (Chillicothe, IL)
Caterpillar Inc. (Peoria, IL)
09/ 235,359
January 21, 1999
The Government has the rights in this invention pursuant to Contract No. DE-AC05-970OR22605 awarded by the U.S. Department of Energy.