F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/4.5
F16K 17/38 (2006.01) F16K 17/40 (2006.01)
Patent
CA 2033471
A valve installed in the flow line of a flammable or other hazardous flowable material which is normally open but will be automatically closed to interrupt the flow of flammable or hazardous material to a discharge point in the event of a hazardous condition occurring. The valve is held in an open position by a fusible link which retains a pivotal latch in engagement with a spring biased valve to retain the valve in open position. The fusible link will melt when subjected to predetermined conditions such as a high temperature condition which occurs in the event of a fire thereby releasing the latch and valve for movement to a closed position for stopping flow of flammable material in order to control the fire or other hazardous condition.
a présente invention concerne un clapet monté dans une canalisation de produit fluide inflammable ou dangereux en position normalement ouverte mais qui se ferme automatiquement pour bloquer l'écoulement du produit inflammable ou dangereux vers un point où il risque de prendre feu ou de causer des dégâts. Le clapet est maintenu en position ouverte par un élément fusible qui oppose au ressort de fermeture du clapet un taquet pivotant. Soumis à des conditions prédéterminées, notamment la température élevée de flammes, cet élément fond et libère le taquet qui, en pivotant, permet au ressort de fermeture d'actionner le clapet pour arrêter l'écoulement du produit inflammable ou dangereux et ainsi maîtriser l'incendie ou toute autre situation dangereuse.
Gray Charles H. Jr.
Oates Donald E.
Sim & Mcburney
LandOfFree
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