Fluid-pressure and analogous brake systems – Flow retarder
Patent
1991-06-24
1993-04-27
Oberleitner, Robert J.
Fluid-pressure and analogous brake systems
Flow retarder
1374939, B60T 1546
Patent
active
052056180
ABSTRACT:
A hydraulic brake system comprises an electromagnetic normally open inflow valve fluidly disposed between a master cylinder and a wheel cylinder, and a hydraulically shiftable plunger valve fluidly disposed between the electromagnetic inflow valve and master cylinder. The plunger valve is responsive to hydraulic fluid forced out of the master cylinder for establishing a first state wherein flow of hydraulic fluid forced into the wheel cylinder is restricted or a second state wherein hydraulic fluid forced out of the master cylinder into the wheel cylinder is unrestricted.
REFERENCES:
patent: 4428396 (1984-01-01), Wall
patent: 4441712 (1990-07-01), Hirobe
patent: 4472873 (1990-11-01), Fulmer et al.
patent: 4784444 (1988-11-01), McCann et al.
patent: 4790414 (1988-12-01), Harrison
patent: 4964680 (1990-10-01), Nokubo et al.
patent: 5048561 (1991-09-01), Taplin et al.
patent: 5082345 (1991-09-01), Becker et al.
Atsugi Unisia Corporation
Oberleitner Robert J.
Young Lee W.
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