F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 17/12 (2006.01) F16K 17/194 (2006.01)
Patent
CA 2194477
A pressure relief valve for pressure equalization between a closed space and the surrounding atmosphere comprises a valve housing (1) with an upwardly facing blow-off opening (11) in which a conical valve seat (13) is formed. A drop-shaped body (14) arranged in the blow-off opening (11) is formed on its underside with a conical valve surface (15) co-operating with the valve seat (13). The drop-shaped body is connected with a lifting disc (21) which has a larger area than the valve seat (13) and is surrounded by a free passage slot (22). The valve housing (1) has an inner configuration (8, 9, 10) such that the free passage area around the lifting disc (21) is decreased when the drop-shaped body (14) and the lifting disc (21) are lifted from the fully closed to the fully open position.
Une soupape de surpression destinée à égaliser la pression entre un espace fermé et l'atmosphère environnante comprend un logement (1) de soupape avec une ouverture d'évacuation (11) dirigée vers le haut, dans laquelle est formé un siège conique (13) de soupape. Un corps (14) ayant la forme d'une goutte est disposé dans l'ouverture d'évacuation (11) et il est formé sur son côté inférieur avec une surface conique (15) de soupape coopérant avec le siège (13) de soupape. Le corps en forme de goutte est relié à un disque (21) de poussée, lequel présente une surface supérieure à celle du siège (13) de soupape et qui est entouré par une fente de passage libre (22). Le logement (1) de soupape a une configuration interne (8, 9, 10) telle que la surface de passage libre autour du disque de poussée (21) diminue lorsque le corps en forme de goutte (14) et le disque de poussée (21) sont soulevés de la position complètement fermée vers la position complètement ouverte.
Pedersen Hans-Henrik Raagaard
Petersen Anders Ib Damborg
Sorensen Emil Aarestrup
Fetherstonhaugh & Co.
Sorensen Emil Aarestrup
LandOfFree
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