Flow controlled actuator apparatus for use with self-closing...

F - Mech Eng,Light,Heat,Weapons – 16 – K

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Details

F16K 27/07 (2006.01) F16K 39/02 (2006.01) F16K 47/10 (2006.01)

Patent

CA 2689197

An apparatus (10) for operating a device such as a self-closing internal valve (20) is disclosed. The apparatus includes a housing assembly (40) having an internal chamber (42), a fluid inlet (64) in fluid communication with the internal chamber, and an actuator stem extending from the housing assembly. The actuator stem (52) is moveable in response to the addition or removal of a fluid into or out of the internal chamber. To control the flow rate of a fluid into and out of the internal chamber, the apparatus includes a fluid control valve (32) in fluid communication with the fluid inlet (64) of the housing assembly, wherein the fluid control valve is adapted to restrict the rate of fluid flow into the internal chamber of the housing assembly.

La présente invention concerne un appareil (10) destiné à actionner un dispositif tel qu'une valve interne à fermeture automatique (20). L'appareil comprend un ensemble de boîtier (40) doté d'une chambre interne (42), une admission de fluide (64), en communication fluidique avec la chambre interne, et un arbre d'actionneur s'étendant depuis l'ensemble de boîtier. L'arbre d'actionneur (52) peut être déplacé en réponse à l'ajout ou au retrait d'un fluide dans ou hors de la chambre interne. Pour réguler le débit d'un fluide entrant ou sortant de la chambre interne, l'appareil comprend une vanne de régulation de fluide (32) en communication fluidique avec l'admission de fluide (64) de l'ensemble de boîtier, la vanne de régulation de fluide étant prévue pour limiter le débit de fluide dans la chambre interne de l'ensemble de boîtier.

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