B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 1/26 (2006.01) B05B 7/04 (2006.01) F24F 6/14 (2006.01)
Patent
CA 2393408
The invention relates to a nozzle (10) for mixing a gaseous fluid such as air and a liquid such as water and for ejecting an atomized mist of liquid droplets. The nozzle includes a nozzle body defining first (60), second (44) and third (52) annular passages along the length thereof. Pressurized fluid is introduced into the first annular passage (60) and a first restricted annular orifice (68) leads from the first annular passage (60) to the third annular passage (52). Liquid is introduced into the second annular passage (44) and a second restricted annular orifice (48) leads from the second annular passage (44) to the third annular passage (52). Liquid and gaseous fluid are aggressively mixed in the third annular passage (52). A third restricted annular orifice (72) leads from the third annular passage (52) to atmosphere such that mixed liquid and gaseous fluid are forcibly ejected from the nozzle through the third restricted annular orifice (72), the liquid being atomized in small controlled droplets in the ejected gaseous fluid.
L'invention porte sur une buse (10) servant à mélanger un gaz tel que de l'air et un liquide tel que de l'eau et à éjecter un brouillard atomisé de gouttelettes liquides. Ladite buse comprend un corps comportant un premier (60), un deuxième (44) et un troisième (52) passages annulaires longitudinaux. Le gaz sous pression est introduit dans le premier passage (60) qu'un premier orifice annulaire (68) restreint relie au troisième passage (52). Le liquide est introduit dans le deuxième passage (44) qu'un deuxième orifice annulaire (48) restreint relie au troisième passage (52). Le liquide et le gaz sont intimement mélangés dans le troisième passage (52). Un troisième orifice annulaire (72) restreint relie le troisième passage (52) à l'extérieur, ce qui entraîne l'éjection violente du mélange gaz liquide par la buse via le troisième orifice annulaire restreint, le liquide étant atomisé en fines gouttelettes contrôlées dans le gaz éjecté.
Bennett Adam J.
Dignard Ronald J. R.
Mccracken Thomas William
Poulin Charles
Macrae & Co.
National Research Council Of Canada
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