Air pressure regulator

An air pressure regulator includes a housing having inlet and outlet ports extending along a common axis. A movable valve member and a piston are positioned in the housing on opposite sides of a housing flow passage. The movable valve member is adjacent the inlet port while the piston is adjacent th...

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Bibliographische Detailangaben
Hauptverfasser:	ALLEN, JOHN J, LUCAS, RICHARD L
Format:	Patent
Sprache:	eng
Schlagworte:	CONTROLLING GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS PHYSICS REGULATING SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Beschreibung
Zusammenfassung:	An air pressure regulator includes a housing having inlet and outlet ports extending along a common axis. A movable valve member and a piston are positioned in the housing on opposite sides of a housing flow passage. The movable valve member is adjacent the inlet port while the piston is adjacent the outlet port. The piston has a central stem extending through the housing flow passage in radially-spaced relationship thereto for engaging the movable valve member. The piston is normally biased in a direction toward the movable valve member for holding same displaced from a seat around the housing flow passage. When a predetermined pressure exists at the outlet port, the piston moves away from the movable valve member for allowing same to move into engagement with a seat around the housing flow passage for closing such passage.