Fluid delivery apparatus and method

B - Operations – Transporting – 05 – B

Patent

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Details

B05B 7/02 (2006.01) B08B 3/00 (2006.01) B08B 3/02 (2006.01) B08B 5/02 (2006.01) C23F 1/08 (2006.01) F26B 7/00 (2006.01) F26B 21/00 (2006.01) H05K 3/00 (2006.01) C25D 5/08 (2006.01)

Patent

CA 2275330

A fluid delivery apparatus (10) and method is provided wherein either liquid or gaseous fluid is provided from fluid dispensers (17, 18), via nozzle plates (40) associated therewith, on each side of a path of travel of articles (11) being treated by the fluid, and wherein nozzle openings in nozzle plates cooperate with transverse groove(s) (67) to provide a screen flow of fluid extending transversely of the path of travel (22) of articles, and directed toward the articles. In the case of the fluid being a liquid, the nozzle openings provide cylindrical filament-like columns of liquid which are rendered by the associated grooves into flat, transversely disposed screen spray of liquid. In the case of the fluid being a gas, the nozzle openings and transverse grooves cooperate to deliver the gas in transversely spaced apart, transverse, planar zones of gas directed toward the path of article travel.

Cette invention se rapporte à un appareil distributeur de fluide (10) et à un procédé correspondant, dans lesquels un liquide ou un fluide gazeux est fourni par les distributeurs de fluide (17, 18), via des plaques à ajutages (40) associées audit distributeur, sur chaque côté d'une trajectoire d'avance d'articles (11) traités par ledit fluide, les ouvertures des ajutages des plaques à ajutages coopérant avec une ou plusieurs rainures transversales (67), afin de former un flux de fluide faisant écran, qui s'étend transversalement à la trajectoire d'avance (22) des articles et qui est dirigé en direction desdits articles. Au cas où le fluide est un liquide, les ouvertures des ajutages forment des colonnes de liquide en forme de filaments cylindriques, qui sont transformées par les rainures associées en un jet pulvérisé de liquide, plat et disposé transversalement, faisant écran. Dans les cas où le fluide est un gaz, les ouvertures des ajutages et des rainures transversales coopèrent pour distribuer le gaz dans des zones planes transversales, transversalement espacées, formées par du gaz dirigé vers la trajectoire d'avance des articles.

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