Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1987-06-15
1988-11-22
Reger, Duane A.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303116, B60T 862
Patent
active
047861185
ABSTRACT:
In a traction slip-controlled brake system for automotive vehicles, comprising an auxiliary pressure source and a pedal-operated brake valve through which pressure fluid from the auxiliary pressure source can be applied to the wheel brakes. A first valve switchable from a locking position into a passage position is switched into a pressure fluid conduit leading from the auxiliary pressure source to the wheel brakes of the one motor vehicle axle, and a second valve is switched into the brake conduit connecting the wheel brakes of the said motor vehicle axle to the brake valve. The said second valve can switch over from a passage position into a locking position. Moreover, a check valve is provided in the line section connecting the first valve to the wheel brakes of the one motor vehicle axle, with the said check valve precluding a flow back of pressure from the wheel brakes to the first valve. An additional third valve is provided in a line connecting this line branch to the return line which valve, in non-excited condition, for safety reasons, will then open the communication with the pressure fluid reservoir.
REFERENCES:
patent: 4565411 (1986-01-01), Seiber
patent: 4662687 (1987-05-01), Leiber
Burgdorf Jochen
Kircher Dieter
Weise Lutz
Alfred Teves GmbH
Raden James B.
Reger Duane A.
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