Filter cartridge assembly

Details Filter cartridge assembly Filter cartridge assembly

B - Operations, Transporting

01

D

B01D 46/42 (2006.01) F16K 15/02 (2006.01)

Patent

CA 2339117

The filter cartridge assembly has a valve body having an interior flow passage, a filter across the interior flow passage, and a check valve assembly in the valve body. The filter removes particulates as small as 0.003 microns. A check valve element adjacent to a valve seat in the interior flow passage has a check valve poppet and a stem. The check valve poppet has a relatively narrow neck, and the check valve poppet is tapered inwardly from the outlet end toward the neck at an oblique angle relative to the longitudinal axis of the valve body that is substantially equal to the oblique angle of the annular valve seat.

Cet ensemble cartouche filtre comprend un corps de soupape présentant un passage d'écoulement intérieur, un filtre placé en travers de ce passage intérieur, ainsi qu'un ensemble soupape antiretour monté dans ledit corps. Ce filtre enlève des matières particulaires dont la dimension peut être aussi petite que 0,003 microns. Un élément de soupape antiretour adjacent à un siège de soupape monté dans le passage d'écoulement intérieur possède un clapet de retenue ainsi qu'une tige. Ce clapet comprend un col relativement étroit et il est effilé vers l'intérieur à partir de l'orifice de sortie, en direction du col, en faisant un angle oblique par rapport à l'axe longitudinal du corps de la soupape, cet angle étant sensiblement égal à l'angle oblique du siège annulaire de la soupape.

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