Planetary gear transmission systems or components – Input from independent power sources – Including electric motor input
Reexamination Certificate
2007-05-22
2007-05-22
Le, David D. (Department: 3681)
Planetary gear transmission systems or components
Input from independent power sources
Including electric motor input
C475S282000, C475S283000, C180S065230, C192S048500, C192S048600
Reexamination Certificate
active
11071405
ABSTRACT:
An electrically variable transmission is provided including an input member to receive power from an engine; an output member connected to a transfer gear; first and second motor/generators; and first and second simple 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 gear and first and second torque transfer devices are positioned between the first and second gear sets.
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patent: 6478705 (2002-11-01), Holmes et al.
patent: 6527658 (2003-03-01), Holmes et al.
patent: 2005/0227801 (2005-10-01), Schmidt et al.
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patent: 2006/0019785 (2006-01-01), Holmes et al.
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Hendrickson James D.
Holmes Alan G.
Klemen Donald
Schmidt Michael R.
Sowul Henryk
DeVries Christopher
General Motors Corporation
Le David D.
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