F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 13/28 (2006.01) F24F 7/04 (2006.01) F24F 13/06 (2006.01) F24F 13/08 (2006.01)
Patent
CA 2454958
An air duct system includes a conical fabric filter (22) disposed within a cylindrical air duct. In some embodiments, both the filter and the air duct are inflatable. A fabric collar (40) and a pair of zippers not only allow the filter to be readily removed for cleaning, but also allow the air duct system to continue operating with the filter removed. Pleats (60) can provide the filter with more surface area, and the pleats can be interconnected in an alternating pattern to inhibit the filter from over inflating.
Cette invention concerne un système d'aérage comprenant un filtre conique en tissu (22) disposé à l'intérieur d'une buse d'aération cylindrique. Dans certains modes de réalisation, le filtre et la buse d'aération sont tout deux gonflables. Une collerette en tissu (40) et une paire de fermetures à glissière facilitent la dépose du filtre aux fins de nettoyage et permettent au système d'aérage de fonctionner après dépose du filtre. Le filtre peut comporter des plis (60) qui en augmentent la surface, ces plis pouvant être interconnectés selon un motif alterné, ce qui empêche un surgonflage du filtre.
Gebke Kevin J.
Pinkalla Cary W.
Goudreau Gage Dubuc
Rite-Hite Holding Corporation
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