Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1987-10-08
1989-05-02
Kashnikow, Andres
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303113, 303114, B60T 832, B60K 2816
Patent
active
048262587
ABSTRACT:
An anti-lock brake system with traction slip control is disclosed. The system is the type including a pedal activated, auxilary force assisted braking pressure generator having two brake circuits. Each circuit supplies electromechanical valves controlled by an electronic controller in response to wheel behavior to increase and decrease brake pressure so as to control brake action and prevent wheel lock up. A normally closed valve is provided in at least one of two supply lines from an auxiliary pump and accumulator to the wheel brake inlet valve for controlling traction slip. A portion of the supply line which interconnects the pump and the valve communicates with one of the two main brake lines through a short-circuit line including a pressure relief valve. The pressure relief valve permits delivery of pressure fluid into the main brake line above a nominal pressure and prevents flow in the opposite direction.
REFERENCES:
patent: 4362339 (1982-12-01), Belart
patent: 4521061 (1985-06-01), Belart et al.
patent: 4555144 (1985-11-01), Belart et al.
patent: 4578951 (1986-04-01), Belart et al.
patent: 4585281 (1986-04-01), Schnurer
patent: 4627669 (1986-12-01), Belart et al.
Ocvirk Norbert
Weise Lutz
Alfred Teves GmbH
Kashnikow Andres
Le Mark T.
Raden James B.
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