Slip control brake system for all wheel drive motor vehicles

Details Slip control brake system for all wheel drive motor vehicles Slip control brake system for all wheel drive motor vehicles

1987-03-17

1988-05-24

Love, John J.

Motor vehicles

With means for detecting wheel slip during vehicle...

180249, 303 96, B60K 1735

Patent

active

047459875

ABSTRACT:
A slip-controlled brake system for all-wheel drive motor vehicles is provided with differentials (16,19,20) for balancing track difference between the individual wheels (VR, VL, HR, HL). Wheel sensors (31-34) and electrical circuits (9) for generating brake pressure control signals are provided to control the brake pressure in the event of imminent locking. A disconnecting clutch (37) is inserted into a driving split axle (25) connecting a wheel to the rear axle differential (20). The disconnecting clutch (37) can be actuated either electromagnetically or hydraulically. Upon commencement of the brake slip control or at a predetermined time thereafter, the disconnecting clutch (37) is disengaged thereby rendering the coupling between the rear wheels and/or between front and rear axles ineffective thereby to permit an individual slip control by way of the individual control channels.

REFERENCES:
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patent: 3519314 (1970-07-01), Ballard
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patent: 4549163 (1985-10-01), Satoh et al.
patent: 4589511 (1986-05-01), Leiber
Firmenschrift: Bedienungsanleitung Audi 90 Quattro. S. 110-111.

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