Air filter housing with sealing means

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 46/24 (2006.01) F24F 3/16 (2006.01) F24F 13/28 (2006.01)

Patent

CA 2640322

The present invention relates to an air filter housing (1) having at least one filter chamber (2, 3) for receiving at least one filter unit (F), an access opening (4, 5) in a side wall of said housing leading to said filter chamber, a door (6,7) for closing said access opening and a clamping device (10, 11) for holding said at least one filter unit in abutment against a first end wall of said filter chamber. According to the invention a portion (16) of said clamping device is, when a filter unit (F) is held by said clamping device (10, 11), sealingly in abutment with a circumferential portion (15) of the wall of said housing (1) in the second end of said filter chamber (2, 3) so that air or decontamination gas that has passed through the filter unit (F) can not enter the filter chamber outside of the filter unit.

La présente invention concerne un boîtier de filtre à air (1) comprenant au moins une chambre de filtration (2, 3) destinée à recevoir au moins une unité de filtration (F), une ouverture d'accès (4, 5) dans une paroi dudit boîtier conduisant à ladite chambre de filtration, une porte (6, 7) destinée à fermer ladite ouverture d'accès et un dispositif de serrage (10, 11) destiné à maintenir la ou lesdites unités de filtration en butée contre une première paroi d'extrémité de ladite chambre de filtration. Selon l'invention, une partie (16) dudit dispositif de serrage est, lorsqu'une unité de filtration (F) est maintenue par ledit dispositif de serrage (10, 11), en butée scellée contre une partie périphérique (15) de la paroi dudit boîtier (1) dans la seconde extrémité de ladite chambre de filtration (2, 3), de manière à ce que de l'air ou du gaz de décontamination étant passé au travers de l'unité de filtration (F) ne puisse pas entrer dans la chambre de filtration de l'unité de filtration.

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