Air filter

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 46/52 (2006.01) B01D 39/08 (2006.01)

Patent

CA 2616228

Amongst other things, there is provided an air filter that is for use in a duct having one or more walls. The air filter comprises a peripheral frame that includes a substantially resilient and compressible casing, and a substantially rigid internal skeleton within the casing. The air filter also comprises a filter element attached about its entire perimeter in sealed relation to the casing of the peripheral frame. The filter element is adapted to remove contaminants from air passing through the duct. When the air filter is in use, it is positioned in the duct such that the casing of the peripheral frame is compressed against the walls of the duct in substantially air-sealed relation therewith.

L'invention concerne entre autres, un filtre à air à utiliser dans un conduit ayant une ou plusieurs parois. Le filtre à air comprend un cadre périphérique, lequel comporte un châssis essentiellement résilient et compressible, ainsi qu'une ossature interne essentiellement rigide à l'intérieur du châssis. Le filtre à air comporte également un élément filtrant fixé sur tout son périmètre de manière étanche au châssis du cadre périphérique. L'élément filtrant est conçu pour éliminer les impuretés de l'air qui passe par le conduit. Lorsque le filtre à air est utilisé, il est situé dans le conduit de manière à ce que le châssis du cadre périphérique soit comprimé contre les parois du conduit de façon essentiellement étanche.

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