THERMAL SHUT-OFF VALVE

A thermal shut-off valve comprising a housing having valve means therein movable between an open and closed position, means in the housing normally urging the valve to closed position, and thermal means mounted on the outside of the housing normally maintaining the valve in open position, said therm...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ERICKSON, LINWOOD P
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 LIGHTING MECHANICAL ENGINEERING TAPS THERMAL INSULATION IN GENERAL VALVES WEAPONS
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Beschreibung
Zusammenfassung:	A thermal shut-off valve comprising a housing having valve means therein movable between an open and closed position, means in the housing normally urging the valve to closed position, and thermal means mounted on the outside of the housing normally maintaining the valve in open position, said thermal means comprising a fusable link, a lever arm having one end in engagement with one end of the fusable link, with its opposite end being releasably and adjustably held in spaced relation to said housing, said lever arm having a fulcrum portion bearing against means associated with the movable valve, whereupon melting of the link releases the lever arm, thus permitting the valve to automatically move to closed position, the arrangement of said lever arm and said fusable link being such that the latter is held under tension by the former.