System for dispensing fluid product

Details System for dispensing fluid product System for dispensing fluid product

B - Operations, Transporting

67

D

B67D 7/60 (2010.01)

Patent

CA 2590161

The subject invention is a system for dispensing a controlled amount of fluid product from a dispensing container which includes a pneumatically driven dispensing actuator. This actuator includes a dispensing cylinder and a movable dispensing piston. The dispensing piston is movable under pneumatic pressure within the cylinder, the cylinder including a volume of hydraulic fluid under the pneumatic pressure acting against the dispensing piston to selectively prevent movement of the dispensing piston. The invention further includes a means for selectively reducing the volume of the hydraulic fluid in the dispensing cylinder to allow the controlled movement of the dispensing piston. The controlled movement of the dispensing piston causes controlled displacement of the fluid product from the dispensing container. Advantageously, with the subject invention, a force may be generated and applied to a plunger, which can be accurately controlled. As will be recognized by those skilled in the art, the force results in movement of the plunger, which, in turn, translates into an accurate amount of fluid product being dispensed from the dispensing container.

L'invention concerne un système permettant de distribuer une quantité régulée de produit fluide à partir d'un conteneur de distribution comprenant un actionneur de distribution entraîné pneumatiquement. Cet actionneur comprend un cylindre de distribution et un piston de distribution mobile. Le piston de distribution peut se déplacer sous pression pneumatique à l'intérieur du cylindre, le cylindre contenant un volume de fluide hydraulique sous pression pneumatique agissant contre le piston de distribution, de sorte à empêcher de manière sélective le mouvement du piston de distribution. L'invention concerne également un moyen permettant de réduire de manière sélective le volume du fluide hydraulique dans le cylindre de distribution pour permettre le mouvement régulé du piston de distribution. Le mouvement régulé du piston de distribution entraîne le déplacement régulé du produit fluide à partir du conteneur de distribution. Avantageusement, une force peut être générée et appliquée sur un poussoir, ladite force pouvant être régulée avec précision. Cette force entraîne le mouvement du poussoir qui entraîne à son tour la distribution d'une quantité précise de produit fluide à partir du conteneur de distribution.

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