Filter assembly with self-spacing pleated filter

Details Filter assembly with self-spacing pleated filter Filter assembly with self-spacing pleated filter

B - Operations, Transporting

01

D

B01D 46/52 (2006.01)

Patent

CA 2550860

A filter assembly includes a reusable filter frame (2) and a replaceable, pleated, reversibly expandable, self-spacing filter (8) removably arranged in the frame (2). The self-spacing pleated filter expands uniformly with equal pleat spacing to allow the filter to be easily installed in the reusable filter frame without the aid of a secondary spacing structure. When the filter is expanded to the length of the filter frame, the filter is under tension, thereby allowing the length of the filter to be readily adjusted to match the length of the frame and allowing the pleats to be aligned with corresponding ribs (32) provided in the frame (2).

Cette invention concerne un ensemble filtre qui comprend un cadre de filtre réutilisable (2) ainsi qu'un filtre à auto-espacement, extensible de façon réversible, plissé et interchangeable (8) qui est disposé amovible dans le cadre (2). Le filtre plissé à auto-espacement s'étend uniformément avec un espacement régulier des plis qui permet au filtre d'être facilement monté dans le cadre de filtre réutilisable sans l'aide d'une autre structure d'espacement. Lorsque le filtre est étendu sur la longueur du cadre de filtre, le filtre est sous tension, ce qui permet à la longueur du filtre d'être immédiatement ajustée afin qu'elle corresponde à la longueur du cadre et ce qui permet aux plis d'être alignés sur les nervures correspondantes (32) situées dans le cadre (2).

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