Differential pressure metering device

Details Differential pressure metering device Differential pressure metering device

G - Physics

01

F

G01F 11/28 (2006.01) G01F 11/08 (2006.01)

Patent

CA 2742898

The present invention particularly relates to a metering end-piece fitted on the neck (80) of a flexible container (8) containing a fluid, and intended for transferring at will a dose of the fluid from an upstream space (E1) towards a downstream space (E2), said end-piece including a chamber (100) in which is provided a mobile stopper (2) that is urged into a rest position by default and is actuated upon operation towards an end position. According to the invention, the stopper (2) separates the upstream space (E1) and the downstream space (E2) from each other in the end position and only in this position, and the outlet (6) of the chamber (100) communicates with the upstream space (E1) for any position of the stopper (2) different from the end position.

La présente invention concerne notamment un embout doseur équipant le goulot (80) d'un récipient souple (8) contenant un fluide et destiné à transférer à volonté une dose de fluide depuis un espace amont (E1) vers un espace aval (E2), cet embout comprenant une chambre (100) dans laquelle est placé un obturateur (2) mobile sollicité par défaut vers une position de repos et entraîné en fonctionnement vers une position extrême. Selon l'invention, l'obturateur (2) isole l'un de l'autre l'espace amont (E1) et l'espace aval (E2) dans sa position extrême et seulement dans cette position, et la sortie (6) de la chambre (100) communique avec l'espace amont (E1) pour toute position de l'obturateur (2) autre que sa position extrême.

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