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Hybrid vehicle powertrain system with power take-off driven vehicle accessory

United States Patent

September 12, 2006
View the Complete Patent at the US Patent & Trademark Office
National Renewable Energy Laboratory - Visit the NREL Technology Transfer Website
A hybrid vehicle powertrain system includes a first prime mover, a first prime mover driven power transmission mechanism having a power take-off adapted to drive a vehicle accessory, and a second prime mover. The second prime mover is operable to drive the power transmission mechanism alone or in combination with the first prime mover to provide power to the power take-off through the power transmission mechanism. The invention further includes methods for operating a hybrid vehicle powertrain system.
Beaty; Kevin D. (Kalamazoo, MI), Bockelmann; Thomas R. (Battle Creek, MI), Zou; Zhanijang (Battle Creek, MI), Hope; Mark E. (Marshall, MI), Kang; Xiaosong (Battle Creek, MI), Carpenter; Jeffrey L. (Kalamazoo, MI)
Eaton Corporation (Cleveland, OH)
10/ 935,496
September 7, 2004
This invention was made with Government support under NREL Subcontract No. ZCL-2-32060-01, Prime Contract DE-AC36-99GO10337 awarded by the Department of Energy. The government has certain rights in this invention.