Planetary gear transmission systems or components – Input from independent power sources – Including electric motor input
Reexamination Certificate
2006-08-08
2009-11-03
Le, David D. (Department: 3655)
Planetary gear transmission systems or components
Input from independent power sources
Including electric motor input
C475S282000, C475S288000, C475S290000, C475S329000, C475S330000
Reexamination Certificate
active
07611432
ABSTRACT:
A powertrain is provided, comprising: an internal combustion engine and an electro-mechanical transmission. The internal combustion engine has two torque output nodes operatively connected to two torque input nodes of the electro-mechanical transmission. The transmission comprises first and second electrical machines operatively connected to first and second planetary gear sets that are selectively operative to transmit torque to an output shaft. The two torque output nodes of the engine comprise an engine block comprising a cylinder with a pair of opposed pistons inserted therein, and each piston operatively connected to one of a first and a second crankshaft. The first and second crankshafts are operatively connected.
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Bucknor Norman K.
Maguire Joel M.
Najt Paul M.
Raghavan Madhusudan
GM Global Technology Operations Inc.
Le David D.
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