Slip-controlled brake system for motor vehicles with four-wheel

Details Slip-controlled brake system for motor vehicles with four-wheel Slip-controlled brake system for motor vehicles with four-wheel

1987-03-25

1988-06-28

Pekar, John A.

Motor vehicles

With means for detecting wheel slip during vehicle...

180244, 303119, B60K 2308, B60T 810

Patent

active

047533129

ABSTRACT:
A slip-controlled brake system for motor vehicles with four-wheel drive, wherein one axle (VA) is driven permanently, and the second (HA) is driven by a differential-slip-sensitive coupling (6). The system comprises sensors (S1 to S4) for determining the rotational behavior of the wheels, electronic switching circuits (38, 39, 40) and an auxiliary-pressure supply system (18). For the traction slip control action, brake pressure is introduced into the wheel brakes (11, 12) of only one axle, preferably the permanently driven axle (VA), and the traction slip of all wheels (VL, VR, HL, HR) is, however, controlled thereby. The electronic switching circuits (40) are preferably provided such that the traction slip control action will only set in when, at least at one wheel of the axle (HA) which is not connected to the traction slip control system, an increased traction slip occurs.

REFERENCES:
patent: 3081836 (1963-03-01), Hill
patent: 4589511 (1986-05-01), Leiber
patent: 4641895 (1987-02-01), Belart et al.

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