Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1988-09-20
1989-11-28
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
303113, 303119, B60F 832
Patent
active
048833282
ABSTRACT:
A brake system with anti-locking and/or traction slip control is disclosed including a brake pressure generator, an auxiliary pressure supply system having one or more bypass-regulated hydraulic pumps, and electrically controllable multi-way valves in the brake conduits. An auxiliary pressure supply system is connected either directly or through multi-way valves to the wheel brakes and, through separating valves, to the brake pressure generator. Inserted in bypass conduits which are connected in parallel to the hydraulic pumps, are additional multi-way valves which are normally closed in the rest position but which are reswitchable to an open position and by way of which the pressure in the auxiliary pressure supply system is controllable to modulate the brake pressure in the wheel brakes.
REFERENCES:
patent: 4141595 (1979-02-01), Leiber
patent: 4653813 (1987-03-01), Burgdorf
patent: 4678243 (1987-07-01), Leiber
patent: 4685747 (1987-08-01), Belart et al.
patent: 4715663 (1987-12-01), Hattori et al.
patent: 4729611 (1988-03-01), Kircher et al.
patent: 4779937 (1988-10-01), Burgdorf et al.
patent: 4790608 (1988-12-01), Burgdorf et al.
Burgdorf Jochen
Weize Lutz
Alfred Teves GmbH
Graham Matthew C.
Oberleitner Robert J.
Seitter Robert P.
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