Control apparatus for a vehicle with disengageable four-wheel dr

Details Control apparatus for a vehicle with disengageable four-wheel dr Control apparatus for a vehicle with disengageable four-wheel dr

1986-08-04

1987-12-22

Pekar, John A.

Motor vehicles

Having four wheels driven

3644241, B60K 2308, B60K 1734

Patent

active

047141271

ABSTRACT:
A control device for a vehicle with a disengageable four-wheel drive which has two differentials. The control device has a number of sensor means and a comparator means by which the speed of the vehicle; position of the accelerator and brake pedals; and a predetermined value are compared. In response to the comparison, the control device selectively and automatically engages and disengages the vehicle's four-wheel drive mode.

REFERENCES:
patent: 4417641 (1983-11-01), Kageyama
patent: 4617840 (1986-10-01), Yamakawa

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