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Engine having multiple pumps driven by a single shaft

United States Patent

6,289,878
September 18, 2001
View the Complete Patent at the US Patent & Trademark Office
An engine comprises an engine housing. A first engine fluid sub-system that includes a first pump and the engine housing defining a first fluid passage is also included in the engine. The engine also includes at least one additional engine fluid sub-system that includes a second pump and the engine housing defining a second fluid passage. A rotating shaft is at least partially positioned in the engine housing, the first pump and the second pump.
Blass; James R. (Bloomington, IL)
Caterpillar Inc. (Peoria, IL)
09/ 354,394
July 15, 1999
This invention was made with U.S. Government support under Contract No. DE-FC05-97OR22605 awarded by the Department of Energy. The Government has certain rights in this invention.