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Battery self-warming mechanism using the inverter and the battery main disconnect circuitry

United States Patent

April 19, 2005
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
An apparatus connected to an energy storage device for powering an electric motor and optionally providing a warming function for the energy storage device is disclosed. The apparatus includes a circuit connected to the electric motor and the energy storage device for generating a current. The apparatus also includes a switching device operably associated with the circuit for selectively directing the current to one of the electric motor and the energy storage device.
Ashtiani; Cyrus N. (West Bloomfield, MI), Stuart; Thomas A. (Toledo, OH)
DaimlerChrysler Corporation (Auburn Hills, MI), University of Toledo (Toledo, OH)
09/ 224,467
December 31, 1998
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under NREL subcontract number ZAN-6-16334-01, prime contract number DE-AC36-83CH10093 issued by the Department of Energy. The government has certain rights in this invention.