Torque vectoring gear drive apparatus

Details Torque vectoring gear drive apparatus Torque vectoring gear drive apparatus

2007-03-06

2007-03-06

Wright, Dirk (Department: 3681)

Planetary gear transmission systems or components

Variable speed or direction transmission combined with...

Transmission output shaft parallel to differential output...

Reexamination Certificate

active

10975709

ABSTRACT:
A torque vectoring gear drive apparatus for controlling drive torque distribution. The gear drive apparatus comprises an input shaft, first and second output shafts, a planetary interaxle differential unit for transmitting torque from the input shaft to the first and second output shafts, and a speed gear assembly provided for overriding said planetary interaxle differential unit. The planetary differential unit includes a planet carrier drivingly coupled to the input shaft and rotatably supporting at least one planet gear, a sun gear drivingly coupled to the at least one planet gear and a ring gear drivingly coupled the first output shaft, the sun gear drivingly coupled to the second output shaft. The speed gear assembly selectively couples the input shaft to the sun gear to define a first drive mode in which the sun gear is driven at a first speed.

REFERENCES:
patent: 5334116 (1994-08-01), Baxter, Jr.
patent: 5704863 (1998-01-01), Zalewski et al.
patent: 5720688 (1998-02-01), Wilson et al.
patent: 5738604 (1998-04-01), Dick
patent: 5916052 (1999-06-01), Dick
patent: 6554731 (2003-04-01), Brown et al.
patent: 6572506 (2003-06-01), Williams et al.
patent: 2002/0035003 (2002-03-01), Brown et al.

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