Driving force distribution control device and driving force...

Details Driving force distribution control device and driving force... Driving force distribution control device and driving force...

2005-06-21

2005-06-21

Lerner, Avraham (Department: 3611)

Motor vehicles

Having four wheels driven

With differential means for driving two wheel sets at...

C180S245000

Reexamination Certificate

active

06907953

ABSTRACT:
An ECU, which functions as a driving force distribution control apparatus for a four-wheel drive vehicle, includes a CPU. The CPU controls a coupling for changing torque distribution of front and rear wheels. The CPU determines either of first and second torque distribution modes based on detection signals of a throttle opening sensor and steering angle sensor, which are operating parameters. In the second torque distribution mode, torque is distributed to the front and rear wheels more equally than in the first torque distribution mode. The CPU sets a duration for the second torque distribution mode when the second torque distribution mode is selected. Until the duration elapses, regardless of the operating parameters, the CPU continues the control of the coupling in the second torque distribution mode.

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