INVERTING LIMITING RELAY VALVE WITH INTERLOCK

For use in a fluid pressure braking system of the dual circuit type in which one circuit includes a spring applied fluid pressure released actuator, a valve operable to supply fluid pressure from a source to the actuator to move the latter to a brake released position and effective to cut off such s...

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Bibliographische Detailangaben
Hauptverfasser:	BARTHOLOMEW, ROY E, KRUKE, EDWARD J
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES TAPS THERMAL INSULATION IN GENERAL TRANSPORTING VALVES VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	For use in a fluid pressure braking system of the dual circuit type in which one circuit includes a spring applied fluid pressure released actuator, a valve operable to supply fluid pressure from a source to the actuator to move the latter to a brake released position and effective to cut off such supply when the actuator has been released, and the valve being operative to release fluid pressure from the actuator to graduate spring brake application thereof in accordance with fluid pressure supplied the other circuit, and a second valve controlled by fluid pressure from said source for preventing operation of the first mentioned valve so long as the fluid pressure is above a predetermined value.