Filter configuration

Details Filter configuration Filter configuration

B - Operations, Transporting

01

D

B01D 46/52 (2006.01) B01D 46/00 (2006.01) B60H 3/06 (2006.01) F02M 35/024 (2006.01)

Patent

CA 2199590

In a filter element, such as an air filter element used for filtering engine airor cabin air in vehicles, a pleated filter media is disposed within a plastic frame and retained therein by the same material which is used to form a gasket for sealing with a housing in which the filter element is mounted. The gasket is formed of polyurethane foam or any other flexible sealing material such as plastisol or silicone and iscast molded around the outer periphery of the frame over a plurality of interlocking tabs. The seal is therefore mechanically locked to the frame as well as being adhered to the frame.

Dans un filtre, tel un filtre à air utilisé pour filtrer le flux d'admission d'air du moteur ou de la cabine des véhicules, un élément filtrant en accordéon est placé à l'intérieur d'un boîtier en plastique et retenu par le même matériau que celui qui est utilisé pour former un joint d'étanchéité statique avec un bâti dans lequel l'élément filtrant est fixé. Le joint d'étanchéité statique est fabriqué en mousse polyuréthane ou autre matériau d'étanchéité flexible tels que le plastisol ou la silicone et est moulé par coulée autour de la périphérie extérieure du boîtier par-dessus de nombreuses attaches qui s'enclenchent. Le scellement est ainsi verrouillé mécaniquement au boîtier tout en y adhérant.

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