Planetary gear transmission systems or components – Input from independent power sources – Including electric motor input
Reexamination Certificate
2005-08-31
2008-08-12
Ho, Ha D. (Department: 3681)
Planetary gear transmission systems or components
Input from independent power sources
Including electric motor input
C180S006280
Reexamination Certificate
active
07410437
ABSTRACT:
A drive arrangement for a machine includes a first planetary gear set, a second planetary gear set, a third planetary gear set, a first motor, a second motor, and a third motor. The first, second, and third motors are drivingly connected to the first, second, and third planetary gear sets to simultaneously generate fewer than three separate output rotations.
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Caterpillar Inc.
Finnegan Henderson Farabow Garrett & Dunner
Ho Ha D.
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