Electrically variable hybrid transmission and powertrain

Details Electrically variable hybrid transmission and powertrain Electrically variable hybrid transmission and powertrain

2008-03-11

2008-03-11

Lewis, Tisha (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

C475S004000, C180S065600, C903S911000

Reexamination Certificate

active

11218049

ABSTRACT:
Provided for a vehicle is an electrically variable hybrid transmission and powertrain utilizing a flywheel for energy storage. The flywheel is connected to an output shaft of the transmission and a first electric power unit through two planetary gear sets. Also provided is a second electrical power unit selectively coupled to an input shaft of the transmission and continuously coupled to an output shaft of a mechanical power source. The transmission, first and second electrical power units, flywheel, and mechanical power source cooperate to provide a continuously variable rotational speed to a final drive to propel the hybrid powertrain equipped vehicle.

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patent: 7108626 (2006-09-01), Friedmann
patent: 02203050 (1990-08-01), None

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