Fluid-pressure and analogous brake systems – Speed-controlled – Having a valve system responsive to a wheel lock signal
Patent
1974-08-29
1977-03-15
Cohan, Alan
Fluid-pressure and analogous brake systems
Speed-controlled
Having a valve system responsive to a wheel lock signal
60547, 60593, 91443, B60T 810
Patent
active
040120805
ABSTRACT:
A pneumatic to hydraulic booster having an integral skid control means is disclosed. The skid control means includes a dump chamber and a dump valve, with the dump chamber being integrally formed within the housing of the pneumatic to hydraulic booster. A choke is also mounted between the dump chamber and atmosphere to provide a two-stage controlled dump rate. In operation, a large portion of the pneumatic pressure in the booster is quickly transferred to the dump chamber when a skid is detected. The atmospheric choke allows a further transfer of pressure from the booster at a second, but controlled rate.
REFERENCES:
patent: 3480121 (1969-11-01), Maigrot
patent: 3578820 (1971-05-01), Riordan
patent: 3586386 (1971-06-01), Trocme
patent: 3627386 (1971-12-01), Every
Cohan Alan
General Signal Corporation
Michalsky Gerald A.
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