Slip-controlled brake system

Details Slip-controlled brake system Slip-controlled brake system

1987-02-19

1988-08-30

Reger, Duane A.

Fluid-pressure and analogous brake systems

Pipeless valves

303114, 60545, B60T 888

Patent

active

047671653

ABSTRACT:
A slip-controlled brake system for automotive vehicles comprising two static brake circuits (17, 18) into which pressure fluid can be introduced in case of control, comprising a master cylinder assembly (12) and a hydraulic booster (11), a hydraulic auxiliary-pressure supply system (2) as well as wheel sensors (S1 to S4) and electronic circuits (38) for determining the wheel rotational behavior and for generating electric braking-pressure control signals. The signals serve to control pressure-fluid inlet valves (4, 5, 6) and outlet valves (7, 8, 9) inserted into the pressure fluid lines (14, 17, 18) for the purpose of slip control. Connected upstream of the hydraulic booster (11) is a vacuum booster (1), the force-output member (51) of which is in operative engagement with the control piston (53) of the booster piston (54) of the hydraulic booster (1). The control piston (53) is coupled by way of a lever assembly (41) with the valve piston (20) which controls the pressure in the booster chamber (21), and with the booster chamber (21) communicating with the wheel brakes (HL, HR) of the rear wheels through the brake line (14).

REFERENCES:
patent: 3999808 (1976-12-01), Belart
patent: 4072085 (1978-02-01), Soupal
patent: 4512615 (1985-04-01), Kita et al.
patent: 4555144 (1985-11-01), Belart et al.
patent: 4576004 (1986-03-01), Bach

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