A relief valve

Details A relief valve A relief valve

B - Operations, Transporting

65

D

B65D 51/16 (2006.01) A47K 5/12 (2006.01) F16K 7/07 (2006.01) F16K 15/14 (2006.01)

Patent

CA 2743514

A relief valve (60) for a liquid container, the valve comprising a substantially conical body (50) extending into the container, and tapering inwardly away from an external wall of the container, at least one air inlet passage (62) through the substantially conical body; and a flexible diaphragm (53) extending over the conical body, being attached at its outer periphery around the substantially conical body and having a central opening surrounding the substantially conical body above the air inlet passage so as to seal the air inlet passage until the pressure within the container falls below a predetermined level.

L'invention concerne une soupape de sécurité (60) d'un réservoir de liquide comprenant: un corps sensiblement conique (50) sétendant dans le réservoir et samincissant vers lintérieur depuis la paroi extérieure du réservoir; au moins un passage dadmission dair (62) traversant le corps; et une membrane souple (53) sétendant au-dessus du corps (50), fixée par sa périphérie extérieure autour du corps (50), et présentant une ouverture centrale entourant le corps (50) située au-dessus du passage, (62) et le refermant lorsque la pression dans le réservoir tombe au-dessous dun niveau prédéterminé.

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