Filtering element for use in a filtering device

Details Filtering element for use in a filtering device Filtering element for use in a filtering device

B - Operations, Transporting

01

D

B01D 25/26 (2006.01) B01D 25/00 (2006.01)

Patent

CA 2333569

The invention concerns a filtering element provided with a central opening (16) and designed to be assembled with an element of similar type to form a filter, each filtering element (1) comprising two surfaces respectively internal (2) and external (3) to the filter, an internal rim (5) defining the central opening (16) periphery and an external peripheral rim (4) between which is mounted a sieve (6) parallel to said internal (2) and external (3) surfaces, each surface of the element further including radial ribs (72, 73) extending opposite each other between the external (4) and the internal (5) rims to form on the internal (2) and external (3) surfaces angular sectors (21, 31). The invention is characterised in that each of the internal (2) and external (3) surfaces comprises at least sixteen angular sectors (21, 31), each formed by a free portion of the sieve (6) and the ratio of the sieve (6) free surface over the element (1) total surface ranges between 55 % and 68 %.

L'invention concerne un élément filtrant pourvu d'une ouverture centrale (16) et destiné à être assemblé avec un élément du même type pour former un filtre, chaque élément filtrant (1) comportant deux faces respectivement interne (2) et externe (3) au filtre, un rebord intérieur (5) délimitant le pourtour de l'ouverture centrale (16) et un rebord périphérique extérieur (4) entre lesquels est monté un tamis (6) parallèle auxdites faces interne (2) et externe (3) chaque face de l'élément comportant en outre des nervures radiales (72, 73) s'étendant en vis-à-vis entre les rebords extérieur (4) et intérieur (5) pour former sur les faces interne (2) et externe (3) des secteurs angulaires (21, 31) caractérisé en ce que chaque face interne (2) et externe (3) comprend au moins seize secteurs angulaires (21, 31), chacun étant formé d'une portion libre de tamis (6) et en ce que le rapport de la surface libre filtrante du tamis (6) à la surface totale de l'élément (1) est compris entre 55 % et 68 %.

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