B - Operations – Transporting – 05 – B
Patent
B - Operations, Transporting
05
B
B05B 7/32 (2006.01)
Patent
CA 2536452
A method of creating small particles by a technology referred to here as "violent focusing" is disclosed, along with devices for generating such violent focusing. In general, the method comprises the steps of forcing a first fluid out of an exit opening of the feeding channel to create a fluid stream. The exit opening is positioned such that the fluid flowing out of the channel flows toward and out of an exit orifice of a pressure chamber which surrounds the exit opening of the feeding channel, and is filled with an atomizing fluid. An atomizing fluid such as a gas is directed towards the first fluid stream in approximately orthogonal directions and surrounding the circumference of the first fluid stream from all sides. The first fluid flow is broken into particles which have dimensions which are smaller than the dimensions of this fluid stream.
L'invention concerne un procédé de formation de petites particules au moyen d'une technologie appelée ici "mise au point violente", de même que des dispositifs permettant d'effectuer cette "mise au point violente". De manière générale, le procédé consiste à forcer un premier fluide à sortir d'une ouverture du canal d'alimentation pour créer un flux de liquide. L'ouverture est placée de manière à ce que le fluide s'écoulant du canal coule en direction de l'orifice de sortie d'une chambre de pression qui entoure l'ouverture de sortie du canal d'alimentation, et qu'elle soit remplie avec un fluide d'atomisation. Un fluide d'atomisation tel qu'un gaz est dirigé vers le premier flux de fluide dans des directions à peu près orthogonales, à la circonférence du premier flux de fluide de tous les côtés. Le premier flux de fluide est divisé en plusieurs particules qui ont des dimensions inférieures à celles du flux de fluide.
Ganan-Calvo Alfonso
Rosell Joan
Aradigm Corporation
Fetherstonhaugh & Co.
Universidad de Sevilla
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