Actuation structure for internal fuel cell metering valve...

Details Actuation structure for internal fuel cell metering valve... Actuation structure for internal fuel cell metering valve...

B - Operations, Transporting

25

C

B25C 1/08 (2006.01) B65D 83/16 (2006.01)

Patent

CA 2624669

A combustion-powered fastener driving tool (10) employing a fuel -cell (20) having an internal fuel metering valve (22) with an axially reciprocating delivery stem (24), an actuator (34) is provided for causing the dispensing of a desired dose of fuel from the fuel cell (20) prior to each combustion event, the actuator (34) including at least one actuator element configured for exerting an axial force on the stem (24), releasing the dose of fuel, and a fuel conduit (50) associated with the element and being in fluid communication with the stem (24) for transmitting the fuel for delivery to a combustion engine.

dans un outil de pose de fixations fonctionnant sur une pile à combustible dotée d'une soupape doseuse avec un axe d'alimentation à mouvement de va-et-vient, on trouve un actionneur déclenchant l'administration d'une dose requise de combustible depuis la pile à chaque temps de combustion. Cet actionneur comprend au moins un élément conçu pour exercer une force axiale sur la tige, ce qui libère une dose de combustible, et un conduit de combustible associé à cet élément et en communication fluidique avec la tige pour la transmission du combustible.

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