Fluid-pressure and analogous brake systems – Multiple fluid-receiving devices – Multiple motors
Patent
1989-05-19
1990-01-02
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Multiple fluid-receiving devices
Multiple motors
303 971, 303 15, 303 92, 303113, 303119, B60T 834, B60T 1300, B60T 826
Patent
active
048908908
ABSTRACT:
The proposed vehicle brake system includes a brake fluid pressure device embodied as a brake booster, front wheel brakes rear wheel brakes and an anti-skid apparatus having values for maintaining, reducing and increasing brake pressure. One of the brake pressure maintenance valves is associated with the rear wheel brakes and is further developed into a valve combination, which additionally includes a brake pressure regulating valve. The valve combination includes only one valve seat and one valve element, which serves both for keeping braking pressure constant in the anti-skid situation and to limit the rear wheel braking pressures during braking. The valve element is controlled on one side by a control piston acted upon by brake pressure and on the other by an electromagnet.
REFERENCES:
patent: 4500138 (1985-02-01), Mizwawa et al.
patent: 4576416 (1986-03-01), Muller et al.
patent: 4647114 (1987-03-01), Schuett et al.
patent: 4812777 (1989-03-01), Shirai
patent: 4818039 (1989-04-01), Bertling et al.
Butler Douglas C.
Greigg Edwin E.
Robert & Bosch GmbH
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