Fluid-pressure and analogous brake systems – Flow retarder – Isolation valve
Patent
1993-02-08
1994-09-27
Graham, Matthew C.
Fluid-pressure and analogous brake systems
Flow retarder
Isolation valve
60591, 137854, B60T 1500
Patent
active
053502230
ABSTRACT:
A vehicle braking system is characterized by being constructed for self-purging and removal of air from the brake lines to thereby prevent the accumulation of air therein so as to provide a more effective braking system. The braking system has a master cylinder including a fluid reservoir for supplying brake fluid to the braking system and a hydraulically controlled disk brake having a caliper including a plurality of cylinders arranged in the caliper and a plurality of respective hydraulically actuable brake pistons guided in the cylinders. An inlet brake line interconnects the master cylinder and the caliper for supplying brake fluid to the caliper and an outlet brake line also interconnects the master cylinder and the caliper for receiving brake fluid from the caliper. The flow control means of the present invention has a housing having a first opening connecting an inlet brake line thereto, a second opening connecting an outlet brake line thereto, and a third opening connecting a master cylinder of the braking system thereto. A first check valve is positioned within the housing for allowing fluid to flow therethrough in only one direction, and a second check valve is positioned within the housing for allowing fluid to flow therethrough in only a common direction as the fluid flow through the first check valve.
REFERENCES:
patent: 2742982 (1952-09-01), Helmbold
patent: 2805737 (1959-09-01), Griffin
patent: 3037522 (1962-06-01), Millan
patent: 3420342 (1967-03-01), Botterill
patent: 3439500 (1969-04-01), Hertell
patent: 3760912 (1973-02-01), Braun
patent: 4014410 (1977-03-01), Bryant
patent: 4132241 (1979-01-01), Iannelli
patent: 4373333 (1983-02-01), Coleman
patent: 4799575 (1989-01-01), Kroniger
"Wildwood Self Bleeding Brake Fluid System" Mar. 23, 1993.
Graham Matthew C.
Stewart Components
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