B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
B01D 35/147 (2006.01)
Patent
CA 2342326
A filter element consisting of a filter material with a casing, a front wall that closes the casing on an upper side thereof and which is provided with a through opening, in addition to a bypass valve for opening and shutting said through opening, whereby the bypass valve comprises a plastic valve housing that receives a valve body and a valve spring that loads the valve body in the direction of a valve seat. In order to produce a filter element that can be assembled more easily and at a lower cost, the valve housing has a valve stem guide and a separate supporting element is provided. The valve body and the valve spring can be introduced into the valve stem guide for assembly and the supporting element can subsequently be fixed to said valve stem guide.
Cartouche filtrante dotée d'une enveloppe possédant une matière de filtrage, d'une paroi fermant l'enveloppe sur son côté supérieur et possédant un passage et d'une soupape de dérivation permettant d'ouvrir et de fermer le passage. Ladite soupape possède un boîtier en plastique dans lequel sont logés un corps de soupape et un ressort de soupape exerçant une contrainte sur le corps de soupape en direction d'un siège de soupape. Selon la présente invention, le boîtier de soupape comporte un guide de soupape et la soupape comporte un élément de support séparé. Le corps et le ressort de soupape peuvent être introduits en vue de leur montage dans le guide de soupape et l'élément de support peut être finalement fixé au guide de soupape. On obtient ainsi une cartouche filtrante dont le montage est plus simple et dont la fabrication est moins onéreuse.
Argo Gmbh Fur Fluidtechnik
Gowling Lafleur Henderson Llp
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