Power plants – Pressure fluid source and motor – Pulsator
Patent
1985-10-17
1987-01-06
Hershkovitz, Abraham
Power plants
Pressure fluid source and motor
Pulsator
60585, 137433, B60T 1108
Patent
active
046336699
ABSTRACT:
Various buoyant valve arrangements are utilized to prevent quick take-up pressure from entering the master cylinder reservoir chamber until the quick take-up pressure reaches the desired value. A resiliently biased check valve is provided which opens at a predetermined quick take-up pressure to limit the amount of quick take-up pressure generated and then vents excess brake fluid from the quick take-up chamber into the reservoir chamber. The check valve may be resiliently biased by a spring or by elastic tension in an O-ring valve member.
REFERENCES:
patent: 2485437 (1949-10-01), Dwyer
patent: 4372117 (1983-02-01), Kobayashi
patent: 4373333 (1983-02-01), Coleman
patent: 4472940 (1984-09-01), Kubota
patent: 4498299 (1985-02-01), Brademeyer
Brademeyer David L.
Welch Timothy M.
General Motors Corporation
Hershkovitz Abraham
McGraw D. D.
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