Pneumatic pressure relay

A supply biased pneumatic pressure relay is provided for a fluid actuator control valve assembly. A supply pressure inlet (126) communicates to an actuator pressure outlet (124) through a supply port (132). An input diaphragm (130) is coupled to a variable pressure control inlet (122), the diaphragm...

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Bibliographische Detailangaben
Hauptverfasser:	PAULLUS, STEVEN B, BURLAGE, BRIAN J, GOOD, STANLEY R, GAARDER, BARRY LYNN
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CONTROLLING DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR FLUID-PRESSURE ACTUATORS FLUID-PRESSURE ACTUATORS, e.g. SERVO-MOTORS HEATING HYDRAULICS OR PNEUMATICS IN GENERAL LIGHTING MECHANICAL ENGINEERING PHYSICS REGULATING SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES WEAPONS
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Beschreibung
Zusammenfassung:	A supply biased pneumatic pressure relay is provided for a fluid actuator control valve assembly. A supply pressure inlet (126) communicates to an actuator pressure outlet (124) through a supply port (132). An input diaphragm (130) is coupled to a variable pressure control inlet (122), the diaphragm being coupled to a valve plug (138) engageably contacting the supply port (132). The pressure supply from the inlet (126) is also communicated through a capillary hole (164) to supply biased cavity means (162). A substantially constant supply of pressure is thereby maintained in operation of the relay.