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Vehicle hydraulic system that provides heat for passenger compartment

United States Patent

April 24, 2001
View the Complete Patent at the US Patent & Trademark Office
A vehicle includes a vehicle housing which defines a passenger compartment. Attached to the vehicle housing is a hydraulic system, that includes a hydraulic fluid which flows through at least one passageway within the hydraulic system. Also attached to the vehicle housing is a passenger compartment heating system. The passenger compartment heating system includes a heat exchanger, wherein a portion of the heat exchanger is a segment of the at least one passageway of the hydraulic system.
Bartley; Bradley E. (Manito, IL), Blass; James R. (Bloomington, IL), Gibson; Dennis H. (Chillicothe, IL)
Caterpillar Inc. (Peoria, IL)
09/ 235,358
January 21, 1999
GOVERNMENT LICENSE RIGHT The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of DE-FC05-970R22605, awarded by the Department of Energy. In other words, this invention was made with Government support under DE-FC05-970R22605 awarded by the Department of Energy. The Government has certain rights in this invention.