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Powertrain with powersplit pump input and method of use thereof

United States Patent

7,524,263
April 28, 2009
View the Complete Patent at the US Patent & Trademark Office
A powertrain includes an engine operatively connected to a primary power consuming device to transmit power thereto. The powertrain also includes a motor and a pump. The power output of the motor is independent of the power output of the engine. An epicyclic geartrain includes first, second and third members. The first member is operatively connected to the engine to receive power therefrom. The second member is operatively connected to the motor to receive power therefrom. The third member is operatively connected to the pump to transmit power thereto.
Johnson; Kris W. (Peoria, IL), Rose; Charles E. (Metamora, IL)
Caterpillar Inc. (Peoria, IL)
11/ 485,777
20080032842
July 13, 2006
GOVERNMENT RIGHTS This invention was made with Government support under Contract No. DE-FC26-04NT42189 awarded by the Department of Energy. The Government has certain rights in this invention.