BREAKAWAY VALVE FOR A CRYOGENIC FLUID TANK

An example breakaway valve for a cryogenic fluid tank includes a first valve and a second valve. The first valve includes a first valve body that defines through-holes and notches along a distal edge. The second valve includes a second valve body that defines a first set of blind holes and a second...

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Bibliographische Detailangaben
Hauptverfasser:	GRENAWAY, John, CAO, Guangbin
Format:	Patent
Sprache:	eng ; fre ; ger
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:	An example breakaway valve for a cryogenic fluid tank includes a first valve and a second valve. The first valve includes a first valve body that defines through-holes and notches along a distal edge. The second valve includes a second valve body that defines a first set of blind holes and a second set of blind holes. Shear pins are configured to extend through the through-holes and into the first set of blind holes. The shear pins are configured to shear apart when at least a predetermined axial force is applied. Anti-rotation pins are configured to extend through the notches and into the second set of blind holes. The anti-rotation pins are configured to withstand up to at least a predetermined torsional force to deter the second valve from separating from the first valve prior to at least the predetermined axial force is applied.