Device and method for controlling distribution of drive...

Details Device and method for controlling distribution of drive... Device and method for controlling distribution of drive...

2007-11-06

2007-11-06

Boehler, Anne Marie (Department: 3611)

Motor vehicles

Steering gear

With fluid power assist

C701S069000

Reexamination Certificate

active

10487006

ABSTRACT:
A driving force distribution control apparatus and driving force distribution control method for a four-wheel drive vehicle which can quickly increase torque distribution to sub-drive wheels after a transmission has been shifted down. According to the apparatus and method, when it is determined that the transmission has been shifted down, an ECU controls a coupling capable of changing the torque distribution to the front wheels and rear wheels such that the torque distribution to the front wheels and rear wheels approaches a uniform state.

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U.S. Appl. No. 10/487,006, filed Feb. 19, 2004, Murakami et al.
U.S. Appl. No. 10/486,928, filed Feb. 25, 2004, Shigeta et al.

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