Valve, device and method for the generation of a fluid pulse

Details Valve, device and method for the generation of a fluid pulse Valve, device and method for the generation of a fluid pulse

F - Mech Eng,Light,Heat,Weapons

02

M

F02M 21/02 (2006.01) F02M 55/00 (2006.01) F02M 61/18 (2006.01) F02M 51/06 (2006.01) F02M 63/00 (2006.01)

Patent

CA 2677433

The invention relates to a valve (16), in which a fluid inlet opening provided in a valve housing (1) is connected to a fluid outlet opening (3) downstream of the fluid inlet opening by a fluid passage (2) and with a valve closing body (6) which may be moved between a first position which opens the fluid outlet opening (3) and a second position closing the fluid outlet opening (3) by means of an actuator, said body being housed in the valve housing (1). According to the invention, pressure waves are avoided by at least one fluid drain channel (5) branching off the fluid passage (2) via at least one fluid drain opening (4) in the vicinity of the fluid outlet opening (3) and a device is provided in the valve housing for the alternate opening of the fluid drain opening (3) and the fluid outlet opening (4) such that fluid may continuously flow through the fluid passage (2).

L'invention concerne une soupape (16). Une ouverture d'entrée de fluide prévue dans un boîtier de soupape est connectée, au moyen d'un passage de fluide (2), à au moins une ouverture de sortie de fluide (3) prévue en aval de l'ouverture d'entrée de fluide. Le boîtier de soupape (1) contient un obturateur de soupape (6) pouvant être amené, par un dispositif actionneur, d'une première position libérant l'ouverture de sortie de fluide (3) vers une deuxième position fermant l'ouverture de sortie de fluide (3). Pour éviter l'apparition d'ondes de pression, au moins un canal d'écoulement de fluide (5) s'étend à partir du passage de fluide (2), au moyen d'au moins une ouverture d'écoulement de fluide (4) prévue à proximité de l'ouverture de sortie de fluide (3), et le boîtier de soupape contient un dispositif d'ouverture alternée de l'ouverture de sortie de fluide (3) et de l'ouverture d'écoulement de fluide (3), de telle manière que le passage de fluide (2) peut être parcouru par un fluide de façon ininterrompue.

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