Additive dispensing cartridge for an oil filter and oil...

B - Operations – Transporting – 01 – D

Patent

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Details

B01D 37/02 (2006.01) B01D 27/02 (2006.01) C10M 175/00 (2006.01)

Patent

CA 2513892

An oil-conditioning filter, for use with an internal combustion engine, includes a mechanical filter element and a central additive cartridge (318), for gradually dispensing an oil additive (316) over time. The additive cartridge has a beneficial oil-conditioning agent contained therein. The additive (316) may be provided as a solid block within a storage chamber of the cartridge, or may be a plurality of pellets. Central placement of the cartridge allows for fluid filtration through the mechanical filter element before the additive is added thereto, reducing the likelihood that the additive will be filtered out prematurely upon its initial release. An additive cartridge for installation in an oil filter is also described, including a baffle portion and a storage chamber. Alternative exemplary embodiments of the additive cartridge may include a cylindrical shell, a basket which is operatively attached to an oil filter center tube, or a porous center tube.

L'invention concerne un filtre à huile destiné à être utilisé avec un moteur thermique. Ce filtre à huile comprend un élément de filtre mécanique et une cartouche centrale distributrice d'additif (318) conçue pour distribuer progressivement un additif à base d'huile (316). La cartouche distributrice d'additif contient un agent bénéfique de conditionnement de l'huile. Cet additif (316) peut se présenter, soit sous la forme d'un bloc solide dans une chambre de stockage de la cartouche, soit sous la forme d'une pluralité de pellets. Le placement central de la cartouche permet de filtrer les fluides à travers l'élément de filtre mécanique avant l'ajout de l'additif, ce qui diminue la probabilité que l'additif soit prématurément éliminé par filtrage à sa libération initiale. L'invention décrit également une cartouche distributrice d'additif destinée à être installée dans un filtre à huile, cette cartouche comprenant une partie de séparation et une chambre de stockage. Des variantes de ladite cartouche distributrice d'additif comprennent une enveloppe cylindrique, une nacelle qui est montée fonctionnelle sur un tube central du filtre à huile ou un tube central poreux.

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