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METHOD FOR HEATING HYBRID POWERTRAIN COMPONENTS

United States Patent Application

20120203404
A1
View the Complete Application at the US Patent & Trademark Office
A method of controlling a hybrid powertrain having an electric machine and an engine is provided. The method includes determining a requested power and an excess power for the hybrid powertrain. The requested power substantially meets the needs of the hybrid powertrain. The excess power is non-zero and is not included in the determined requested power. The method also includes absorbing the excess power with the electric machine.
Mituta, Andres V. (Auburn Hills, MI), Spohn, Brian L. (Holly, MI), Sime, Karl Andrew (Mason, MI)
GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit MI)
13/ 020,857
February 4, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with U.S. Government support under an Agreement/Project number: vss018, DE-FC26-08NT04386, A000, awarded by the Department of Energy. The U.S. Government may have certain rights in this invention.