Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1991-09-16
1993-09-21
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
3031161, 3031191, 303DIG4, B60T 832, B60T 848
Patent
active
052462803
ABSTRACT:
A brake system having a master brake cylinder that can be acted upon by fluid pressure of a brake pedal and which communicates with wheel brake cylinders via brake lines, a reversing valve that is closable for traction control and pressure holding and pressure reduction valves for anti-lock control are incorporated into at least one brake line to the wheel brake cylinder. Traction control is effected via a return pump that is connected on the inlet side to at least one brake line. The hydraulic circuit is intended to have a reservoir, which communicates on the inlet side with a self-aspirating return pump via an intermediate line with the brake line via a pressure limiting valve, where the pressure limiting valve has at least one blocking position and an open position on both ends.
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patent: 4687260 (1987-08-01), Matsui et al.
patent: 4796959 (1989-01-01), Seibert et al.
patent: 4807944 (1989-02-01), Weise
patent: 4861116 (1989-08-01), Bernhardt et al.
patent: 4861118 (1989-08-01), Burckhardt et al.
patent: 5039176 (1991-08-01), Hellmann et al.
patent: 5058961 (1991-10-01), Hergenthaler et al.
patent: 5076647 (1991-12-01), Grana et al.
Greigg Edwin E.
Greigg Ronald E.
Oberleitner Robert J.
Poon Peter M.
Robert & Bosch GmbH
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