Vehicular driving force distribution device

Details Vehicular driving force distribution device Vehicular driving force distribution device

2006-07-05

2008-09-30

Pang, Roger (Department: 3681)

Planetary gear transmission systems or components

Variable speed or direction transmission combined with...

Variable speed or direction is planetary transmission

C475S249000, C475S284000

Reexamination Certificate

active

07429227

ABSTRACT:
In a vehicular driving force distribution system, a left or right torque distribution clutch is selectively engaged to lock a carrier member or a sun gear of a planetary gear mechanism, whereby torque can be distributed between left and right wheels. Also, if a differential limitation clutch is engaged to control relative rotation of the sun gear and the carrier member of the planetary gear mechanism, the planetary gear mechanism enters a locked state, so that the left and right wheels are integrated to perform differential limitation. By the arrangement of merely providing the differential limitation clutch, the differential limitation can be performed by simple control and moreover the control response is improved, as compared with the case where differential limitation is performed by controlling engagement forces of the left and right torque distribution clutches.

REFERENCES:
patent: 5692987 (1997-12-01), Shibahata et al.
patent: 6120407 (2000-09-01), Mimura
patent: 7156766 (2007-01-01), Gassmann
patent: 195 24 547 (1996-01-01), None
patent: 103 29 770 (2005-02-01), None
patent: 8-114255 (1996-05-01), None

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