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Electrical system architecture

United States Patent

7,400,059
July 15, 2008
View the Complete Patent at the US Patent & Trademark Office
An electrical system for a vehicle includes a first power source generating a first voltage level, the first power source being in electrical communication with a first bus. A second power source generates a second voltage level greater than the first voltage level, the second power source being in electrical communication with a second bus. A starter generator may be configured to provide power to at least one of the first bus and the second bus, and at least one additional power source may be configured to provide power to at least one of the first bus and the second bus. The electrical system also includes at least one power consumer in electrical communication with the first bus and at least one power consumer in electrical communication with the second bus.
Algrain; Marcelo C. (Peoria, IL), Johnson; Kris W. (Washington, IL), Akasam; Sivaprasad (Peoria, IL), Hoff; Brian D. (East Peoria, IL)
Caterpillar Inc. (Peoria, IL)
10/ 740,621
20040189091
December 22, 2003
U.S. GOVERNMENT RIGHTS This invention was made with government support under the terms of Contract No. DE-FC04-2000AL67017 awarded by the Department of Energy. The government may have certain rights in this invention.