Center differential lock mechanism controlling device

192 clutches and power-stop control – Vortex-flow drive and clutch – With brake

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475 86, 180249, B60K 1735, B60K 4104, F16H 144

Patent

active

051254905

ABSTRACT:
In a four wheel drive vehicle having an anti-lock brake system in combination with a front differential gear, a rear differential gear and a center differential gear, a center differential lock mechanism between the front differential gear and the center differential gear is automatically disengaged when a throttle opening sensor detects a low degree of throttle opening independently of the vehicle speed. The device for automatically disengaging the center differential lock mechanism is operated under the control of an operating unit receiving input signals from a center differential gear operating switch, a vehicle speed sensor, a rear wheel speed sensor, a brake lamp sensor and a throttle opening sensor.

REFERENCES:
patent: 4751856 (1988-06-01), Nakamura et al.
patent: 4753131 (1988-06-01), Wupper
patent: 4754836 (1988-07-01), Harada et al.
patent: 4787471 (1988-11-01), Kobayashi
patent: 4934497 (1990-06-01), Ishizeki et al.
patent: 4936406 (1990-06-01), Tezuka et al.

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