Methods and devices for altering the transmission ratio of a...

Details Methods and devices for altering the transmission ratio of a... Methods and devices for altering the transmission ratio of a...

2006-09-05

2006-09-05

Lewis, Tisha (Department: 3681)

Interrelated power delivery controls, including engine control

Plural engines

C475S004000, C475S005000, C180S065230, C903S945000

Reexamination Certificate

active

07101307

ABSTRACT:
The transmission ratio between a first motor and an output shaft is varied by changing the speed of a second motor. The first and second motors are coupled to the output shaft with a planetary gear set. The first and second motors may both add power to the drive system.

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