Dual mode EVT with input split reverse mode

Details Dual mode EVT with input split reverse mode Dual mode EVT with input split reverse mode

2011-06-21

2011-06-21

Le, David D (Department: 3655)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

C475S275000, C475S286000

Reexamination Certificate

active

07963874

ABSTRACT:
A transmission is provided with a reverse input split mode and, preferably, a reverse low fixed speed ratio which provides sufficient reverse grade performance while allowing motor size and planetary and transmission ratios to be optimized for fuel economy or other design criteria. Engine-on reverse performance is improved, reducing dependence on the battery and electric motors to meet reverse grade performance requirements.

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