B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 39/00 (2006.01)
Patent
CA 2641786
A filter element comprises a filter jacket, a fluted filter media, and an internal seal. The filter jacket defines a filter jacket inner surface, a gravitational bottom, an upstream end, and a downstream end. The filter jacket includes a moisture release aperture disposed proximate the gravitational bottom. The fluted filter media resides within the filter jacket and defines a filter media outer surface. The fluted filter media comprises a planar sheet and a fluted sheet intermittently bonded together and collectively coiled to form a plurality of flutes. First and second selected ones of the plurality of flutes are closed proximate the upstream and downstream ends, respectively. The internal seal is formed between the filter jacket inner surface and the filter media outer surface. The internal seal is disposed within the filter jacket between the upstream and downstream ends. The moisture release aperture is located upstream of the internal seal.
L'invention concerne un élément filtrant comportant un étui de filtre, un milieu filtrant cannelé et un joint interne. L'étui de filtre définit une surface intérieure d'étui de filtre, un fond à gravité, une extrémité amont et une extrémité aval. L'étui de filtre comprend un orifice d'évacuation de l'humidité disposé à proximité du fond à gravité. Le milieu filtrant cannelé est logé à l'intérieur de l'étui de filtre et définit une surface extérieure de milieu filtrant. Le milieu filtrant cannelé comporte une feuille plane et une feuille cannelée collées ensemble par intermittence et enroulées conjointement pour former une pluralité de cannelures. Une première et une deuxième cannelures choisies parmi la pluralité de cannelures sont fermées à proximité des extrémités amont et aval, respectivement. Le joint interne est formé entre la surface intérieure d'étui de filtre et la surface extérieure de milieu filtrant. Le joint interne est disposé à l'intérieur de l'étui de filtre entre les extrémités amont et aval. L'orifice d'évacuation de l'humidité est situé en amont du joint interne.
Baldwin Filters Inc.
Borden Ladner Gervais Llp
LandOfFree
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