Transfer case for hybrid vehicle

Details Transfer case for hybrid vehicle Transfer case for hybrid vehicle

2005-04-19

2005-04-19

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Input from independent power sources

Including electric motor input

C180S065230

Reexamination Certificate

active

06881168

ABSTRACT:
A hybrid transfer case includes a mainshaft, front and rear output shafts, an electric motor/generator connected to the mainshaft, and an input clutch for selectively coupling the transmission to the mainshaft. The transfer case further includes a planetary gearset having a sun gear driven by the mainshaft, a ring gear, and planet gears supported from a carrier. A direct clutch is operable to selectively couple the rear output shaft for rotation with the input shaft. A low brake is operable to selectively brake rotation of the ring gear. A transfer clutch controls the amount of drive torque delivered through a transfer assembly to the front output shaft. A hybrid control system is provided for controlling actuation of the various clutch and brake assemblies and the electric motor/generator to establish various drive modes.

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