B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 46/24 (2006.01) B01D 46/00 (2006.01)
Patent
CA 2745560
The present invention provides a compressed air filter (1) and a filter element (5) which is for separating foreign bodies from a compressed air stream and which has an element lower portion (6), an element upper portion (7) which has a neck portion (13) which forms a first flow channel (9) and a collar portion (14) which is constructed so as to extend at least partially around the neck portion (13) and which is connected to the neck portion (13) so as to form a second flow channel (10), and a filter medium (8) which is sealingly connected to the element lower portion (6) and the element upper portion (7) in order to form a gas flow path between the first flow channel (9) and the second flow channel (10) through the filter medium (8), the collar portion (14) having an abutment face (16), which is provided at least partially at the outer periphery and which tapers in the direction of the element lower portion (6), in order to receive an associated sealing ring (22) in such a manner that a force which acts substantially axially on the sealing ring (22) from the direction of the element lower portion (6) brings about radial expansion of the sealing ring (22) along the abutment face (16).
La présente invention porte sur un filtre à air comprimé (1), ainsi que sur un élément filtrant (5) destiné à séparer des substances étrangères d'un courant d'air comprimé, comportant un fond (6), une tête (7), qui comprend un segment (13) formant col, formant un premier canal d'écoulement (9), et un segment (14) formant collerette, qui est configuré de façon à entourer au moins par zones le segment (13) formant col, et qui, avec formation d'un deuxième canal d'écoulement (10), est relié au segment (13) formant col, ainsi qu'un milieu filtrant (8), qui est relié d'une manière étanche au fond (6) et à la tête (7), pour former un chemin d'écoulement du gaz entre le premier canal d'écoulement (9) et le deuxième canal d'écoulement (10) en passant par le milieu filtrant (8), le segment (14) formant collerette comportant, pour recevoir une bague d'étanchéité (22) qui lui est affectée, une surface d'appui (16), prévue sur la périphérie extérieure au moins par zones, et se rétrécissant dans la direction du fond (6), de façon qu'une force agissant, dans la direction approximativement axiale du fond (6), sur la bague d'étanchéité (22), provoque un élargissement radial de la bague d'étanchéité (22) le long de la surface d'appui (16).
Feisthauer Michael
Fischer Norbert
Foerster Andreas
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Kaeser Kompressoren Gmbh
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