B - Operations – Transporting – 03 – C
Patent
B - Operations, Transporting
03
C
B03C 3/155 (2006.01)
Patent
CA 2117335
A non-ionizing, clog-resistant filter material (24) for extracting fine particulate contaminants such as smoke from a gaseous fluid stream such as air uses interaction between Van der Waals forces and a non-ionizing electrostatic field to efficiently capture the contaminant particles in the filter material (24) whose pores are many time larger than the diameter of the particles to be captured. The filter material (24) is physically so configured to further enhance that interaction and is disposed between at least a pair of electrodes (18, 20) of opposite polarity.
Cette invention concerne un matériau de filtre (24) non-ionisant, résistant au colmatage, servant à éliminer des contaminants se présentant sous forme de fines particules, tels que de la fumée, présents dans un écoulement de fluide gazeux tel que de l'air. Ce filtre utilise l'interaction existant entre les forces de Van der Waals et un champ électrostatique non-ionisant, pour piéger efficacement les particules contaminantes dans le matériau de filtre (24) dont les pores sont d'un diamètre plusieurs fois supérieur à celui des particules qu'on désire piéger. Le matériau de filtre (24) est physiquement configuré de manière à accroître cette interaction et il est positionné entre au moins deux électrodes (18, 20) de polarité opposée.
Gowling Lafleur Henderson Llp
Yamamoto Yujiro
LandOfFree
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