Interflow limiting valve assembly

A sleeve for a valve assembly has an inside surface having an interior area and a first cylindrical section extending from a first axial end and a second cylindrical section located between the first cylindrical section and second axial end. A conical interior seating surface extends between the fir...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Brown, Brandon, Alger, Mark, Lynde, David, Ulliman, Jeremy
Format:	Patent
Sprache:	eng
Schlagworte:	ACTUATING-FLOATS BLASTING COCKS DEVICES FOR VENTING OR AERATING ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING JOINTS OR FITTINGS FOR PIPES LIGHTING MEANS FOR THERMAL INSULATION IN GENERAL MECHANICAL ENGINEERING PIPES SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A sleeve for a valve assembly has an inside surface having an interior area and a first cylindrical section extending from a first axial end and a second cylindrical section located between the first cylindrical section and second axial end. A conical interior seating surface extends between the first and second cylindrical sections. The conical interior seating surface is metallic. The sleeve includes a groove that extends circumferentially around and radially outward in the first cylindrical section. The groove extends axially away from the conical interior seating surface towards the first axial end. The sleeve has one or more ports extending radially through the first cylindrical section proximate the groove and are spaced apart from the groove by a lip formed by the first cylindrical section. The lip extends a predetermined axial distance between the groove and the port. The lip extends around the first cylindrical section and radially inward.