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Propulsion system for a motor vehicle using a bidirectional energy converter

United States Patent

5,998,885
December 7, 1999
View the Complete Patent at the US Patent & Trademark Office
A motor vehicle propulsion system includes an electrical energy source and a traction motor coupled to receive electrical energy from the electrical energy source. The system also has a first bus provided electrical energy by the electrical energy source and a second bus of relatively lower voltage than the first bus. In addition, the system includes an electrically-driven source of reaction gas for the electrical energy source, the source of reaction gas coupled to receive electrical energy from the first bus. Also, the system has an electrical storage device coupled to the second bus for storing electrical energy at the lower voltage. The system also includes a bidirectional energy converter coupled to convert electrical energy from the first bus to the second bus and from the second bus to the first bus.
Tamor; Michael Alan (Toledo, OH), Gale; Allan Roy (Livonia, MI)
Ford Global Technologies, Inc. (Dearborn, MI)
09/ 157,679
September 21, 1998
This invention was made with Government support under Contract DE-AC02-94CE50389 awarded by the Department of Energy. The Government has certain rights in the invention.