Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1995-12-22
1997-10-14
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
13762522, B60T 1368, B60T 834
Patent
active
056764324
ABSTRACT:
A brake pressure control apparatus for automobiles with an anti-lock braking system, which can be easily operated with a simple construction, and in which a rotary valve can be immediately returned to its initial position after the first ABS operation has finished in order to prepare the second ABS operation, is disclosed. The apparatus has a housing connected to a hydraulic pump to guide the pressure fluid to the apparatus, a motor mounted on the upper surface of the housing to generate a rotational force, a bushing for guiding the pressure fluid from the housing into the apparatus, a rotary valve rotatably and movably accommodated in the bushing to transfer the pressure fluid which has flowed through the bushing to a wheel cylinder or a fluid tank, and a spring for pushing the rotary valve downwards. The apparatus can be manufactured with reduced cost, and can be easily applied to the ABS.
REFERENCES:
patent: 1216088 (1917-02-01), Caldwell
patent: 1934124 (1933-11-01), Hubbard
patent: 2312941 (1943-03-01), Tucker
patent: 4768843 (1988-09-01), Baughman et al.
Daewoo Electronics Co. Ltd.
Graham Matthew C.
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