F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/06 (2006.01) F02M 51/06 (2006.01) F02M 61/18 (2006.01) H01F 7/16 (2006.01)
Patent
CA 2331171
An electromagnetic valve for a gaseous fluid comprising a combination of an electromagnetic circuit (13, 12, 17) which when activated generates an electromagnatic force for mechanical opening or closing of the valve, a movable disk formed member (17) at least part of which is included in said electromagnetic circuit and which disk formed member (17) is guided in a linear movement perpendicular to the surface of said disk formed member. The valve further comprises a valve seat (21, 24) co-operating with the disk formed member providing the mechanical closing and sealing of the valve, a resilient means (15) which acts on the disk formed member (17) and a metering means (23) in the form of a restriction arranged immediately downstream the valve seat creating sonic conditions for the gas flow which makes the gas flow with the valve open independent of fluctuations in the downstream pressure.
Ce clapet électromagnétique pour gaz est pourvu d'un circuit électromagnétique (13, 12, 17) qui, une fois activé, génère une force électromagnétique l'ouvrant ou le fermant mécaniquement ainsi que d'un élément en forme de disque (17) dont au moins une partie se trouve contenue dans le circuit électromagnétique et dont le déplacement se fait linéairement à la perpendiculaire de sa propre surface. Le siège (21, 24) de ce clapet coopère, de plus, avec l'élément en forme de disque assurant la fermeture et l'ouverture mécaniques. Cet ensemble clapet comporte également un dispositif élastique (15) agissant sur l'élément en forme de disque (17) et un appareillage de mesure (23) sous forme de système d'étranglement se trouvant immédiatement en aval du clapet et créant des conditions soniques qui font que le gaz, une fois le clapet ouvert, s'écoule sans être tributaire des modifications de pression survenant en aval.
Germano Sebastien
Merminod Antoine
Fetherstonhaugh & Co.
Landi Renzo S.p.a.
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