Fluid discharge nozzle

B - Operations – Transporting – 67 – C

Patent

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Details

B67C 3/26 (2006.01) F16K 23/00 (2006.01)

Patent

CA 2606225

The present invention relates to liquid dispensing devices having discharge nozzles. The discharge nozzle has a flow control device. The flow control device includes a check valve and an outlet. The check valve is capable of creating a vacuum pressure cycle during closing. The outlet is formed from at least one perforated plate. The perforated plate has a plurality of apertures therethrough. The plurality of apertures include at least two differently sized sets of apertures. The at least two differently sized sets of apertures include a larger size set of apertures and a smaller size set of apertures. The larger size set of apertures are centrally located within the perforated plate. The present invention helps to concentrate the greatest vacuum pressure on a decaying portion of a stream of liquid right in the center of the outlet of the discharge nozzle.

La présente invention concerne des dispositifs de distribution de liquide pourvus d'tubulures de refoulement. L'éjecteur intègre un dispositif de contrôle du flux. Le dispositif de contrôle du flux comprend un clapet de retenue et un orifice de sortie. Le clapet de retenue peut créer un cycle de pression à vide pendant la fermeture. L'orifice de sortie est formé à partir d'au moins une plaque perforée. La plaque perforée possède une pluralité d'ouvertures. La pluralité d'ouvertures comprend au moins deux ensembles d'ouvertures de taille différente. Lesdits au moins deux ensembles d'ouvertures de taille différente comprennent un ensemble d'ouvertures de taille plus grande et un ensemble d'ouvertures de taille plus grande. L'ensemble d'ouvertures de taille plus petite est situé au centre de la plaque perforée. La présente invention contribue à concentrer la majeure partie de la pression à vide sur une partie décroissante d'un flux de liquide bien au centre de l'orifice de sortie de l'éjecteur.

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