Fluid-pressure and analogous brake systems – Pipeless valves
Patent
1982-10-07
1984-07-03
Butler, Douglas C.
Fluid-pressure and analogous brake systems
Pipeless valves
303115, B60T 802
Patent
active
044575637
ABSTRACT:
An anti-skid braking system incorporates a modulator assembly through which fluid from a source is supplied to a brake. The modulator assembly comprises a de-boost piston working in a bore in a housing, an expander chamber connected to the brake and defined in the bore between one end of the piston and a first valve, and a second valve for controlling the application to the piston of support fluid to determine the relative position of the piston in the bore, the second valve being manipulated in response to a skid signal. The operation of the first valve is controlled independently of the piston by a flow-control regulating valve which is arranged to open the first valve upon failure of a supply of support fluid irrespective of the position of the de-boost piston.
REFERENCES:
patent: 3922021 (1975-11-01), Every
patent: 3981543 (1976-09-01), Atkins
Butler Douglas C.
Lucas Industries Public Limited Company
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