Method of controlling a four wheel drive vehicle

Details Method of controlling a four wheel drive vehicle Method of controlling a four wheel drive vehicle

1987-08-10

1989-12-05

Pekar, John A.

Motor vehicles

Having four wheels driven

3644241, B60K 17342

Patent

active

048846538

ABSTRACT:
A controlling method of a four wheel drive vehicle includes a detecting step and a controlling step. The detecting step detects difference in speeds between a front driving shaft and a rear driving shaft. The controlling step controls an apparatus for controlling a distribution ratio of driving torque of the four wheel drive vehicle so as to harmonize the difference in the speeds with a desired value.

REFERENCES:
patent: 4546673 (1985-10-01), Shigematsu
patent: 4551119 (1985-11-01), Sugaya
patent: 4619629 (1986-10-01), Shigematsu
patent: 4701853 (1987-10-01), Osanai
patent: 4754835 (1988-07-01), Stelter
patent: 4773500 (1988-09-01), Naito
"MotorFan", dated 12/85, pp. 149, 150.

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