Planetary gear transmission systems or components – Input from independent power sources – Including electric motor input
Reexamination Certificate
2007-07-03
2007-07-03
Le, David D. (Department: 3681)
Planetary gear transmission systems or components
Input from independent power sources
Including electric motor input
C475S281000, C475S282000, C475S291000, C475S330000, C180S065230, C180S065700
Reexamination Certificate
active
11078248
ABSTRACT:
An electrically variable transmission includes an input member to receive power from an engine about a primary axis; an output member connected to a transfer member for transmitting power to a secondary axis; first and second motor/generators; first and second torque transfer devices; and first and second planetary gear sets each having first, second and third members. The input member is continuously connected to the first member of the first gear set, and the output member is continuously connected to the first member of the second gear set. The first motor/generator is continuously connected to the second member of the first gear set. The second motor/generator is continuously connected with the third member of the first or second gear set. The transfer member is positioned between the first and second motor/generators.
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Hendrickson James D.
Holmes Alan G.
Klemen Donald
Schmidt Michael R.
Sowul Henryk
General Motors Corporation
Le David D.
Thompson Dan L.
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