J-shaped seam tapping plate with gasket groove for spin-on...

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 27/08 (2006.01) B01D 27/00 (2006.01)

Patent

CA 2371952

A filter assembly is provided having an oversized generally cylindrical housing defining a housing edge. A filtering element is disposed in the housing for filtering the fluid. A generally circular unitary tapping plate is also provided having a fluid inlet port, a fluid outlet port, and mounting means for removably mounting the filter assembly to the fluid circulation system. The unitary tapping plate further having a generally U-shaped portion defining a seal retaining groove and a wing portion extending radially outwardly from said U-shaped portion. The edge of the housing surrounds the tapping plate and is folded inwardly over the wing portion of the tapping plate such that a free end of the housing edge generally terminates in the seal retaining groove. The filter assembly also includes an external seal having a generally rectangular cross-section that is retained in the seal retaining groove. The wing portion of the tapping plate enables the outer diameter of the housing and the filtration area of the filtering element to be increased, without increasing the diameter of the external seal.

L'invention concerne un ensemble filtre doté d'un boîtier surdimensionné et généralement cylindrique définissant un bord de boîtier. Un élément filtrant est situé dans le boîtier afin de filtrer le fluide. Une plaque de soutirage unitaire et généralement circulaire possède un orifice d'entrée de fluide, un orifice de sortie de fluide et des éléments de montage permettant de monter l'ensemble filtre de manière amovible sur le système de circulation de fluide. La plaque de soutirage comporte également une partie généralement en U définissant une cannelure de retenue de joint et une partie aile s'étendant radialement vers l'extérieur depuis ladite partie en U. Le bord du boîtier, qui entoure la plaque de soutirage, est replié vers l'intérieur de la partie aile de ladite plaque, de telle manière qu'une extrémité libre du bord du boîtier se termine généralement dans la cannelure de retenue de joint. L'ensemble filtre comprend également un joint externe de section généralement rectangulaire, retenu au sein de ladite cannelure. La partie aile de la plaque de soutirage permet d'augmenter le diamètre extérieur du boîtier et d'agrandir la surface de filtration de l'élément filtrant, sans augmenter le diamètre du joint externe.

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