Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1983-05-16
1989-02-28
Caldwell, Sr., John W.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303116, B60T 802
Patent
active
048079421
ABSTRACT:
The hydraulic brake system with slip control comprises two master cylinder pistons for the operation of the vehicular brakes and in which hydraulic medium tapped from the wheel brake during slip control is returned to the wheel brakes from an auxiliary pressure source via a master cylinder piston gasket acting as check valves. The operating stroke of the master cylinder pistons is limitable by suitable pressurization of a positioning piston. An open connection between the working chambers of the master cylinder and a reservoir is provided, in the brake-released position, solely via the control valve so as to enable the brake circuits connected with the master cylinder to be pressurized right from the beginning of the braking action.
REFERENCES:
patent: 3976171 (1976-08-01), Belart
patent: 3999808 (1976-12-01), Belart
patent: 4440454 (1984-04-01), Belart et al.
Caldwell Sr. John W.
IT&T Industries, Inc.
Oberley Alvin
Raden James B.
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