Device for controlling driving force distribution in four-wheel

Details Device for controlling driving force distribution in four-wheel Device for controlling driving force distribution in four-wheel

1988-11-29

1990-01-02

Pekar, John A.

Motor vehicles

Having four wheels driven

3644241, B60K 1734

Patent

active

048906859

ABSTRACT:
A driving force distribution control device for a four wheel drive vehicle comprises first computing means for computing a clutch engaging force using a rotational speed differential between front and rear wheels, second computing means for computing a clutch engaging force using only a vehicle speed and third computing means for computing a target clutch engaging force form the sum of the clutch engaging forces computed by the first and second computing means. A transfer clutch variable in engagement for controlling distribution of a driving force to the front and rear wheels is brought into engagement with the target clutch engaging force.

REFERENCES:
patent: 4754834 (1988-07-01), Ozaki
patent: 4773500 (1988-09-01), Naito et al.
patent: 4776424 (1988-10-01), Naito

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