Part-time four-wheel drive system with steering angle responsive

Details Part-time four-wheel drive system with steering angle responsive Part-time four-wheel drive system with steering angle responsive

1984-04-16

1986-09-02

Lazarus, Ira S.

Motor vehicles

Having four wheels driven

180247, B60K 1734

Patent

active

046090649

ABSTRACT:
A part-time type four-wheel drive system has a 2WD-4WD changeover means capable of changing the drive system from a four-wheel drive mode to a two-wheel drive mode and vice versa. The four-wheel drive system is equipped with a control system for automatically changing the drive system from the four-wheel drive mode to the two-wheel drive mode by commanding the changeover means when a steering angle of the vehicle becomes equal to or larger than a predetermined angle. The control system may has a vehicle speed sensor. In this case, the control system changes the drive system from the four-wheel drive mode to the two-wheel drive mode only when the vehicle speed is equal to or lower than a predetermined speed.

REFERENCES:
patent: 4417641 (1983-11-01), Kageyama
patent: 4431079 (1984-02-01), Suzuki
patent: 4470489 (1984-09-01), Makita

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