Filter apparatus having a maintaining device for centering a stack of filtration disks
AssigneeFleetguard, Inc.
InventorsJean-Luc Guichaoua, Gérard Malgorn, Benoît Le Roux
Life of this patent
Estimating the term…
Abstract
A maintaining device for a filter medium having a stack of filtration disks presenting a central aperture, characterized in that it comprises a first flange with at least one central opening, a second flange and at least one perforated first central element intended to operate together with said central aperture of said stack of filtration disks, said first central element being integral at one its extremities with said second flange and being provided at its other extremity with ratchets intended to operate together with said central opening of said first flange.
Claims9
Apparatus for a filter medium, comprising a stack of filtration disks with a central aperture, characterized in that said apparatus comprises a first flange on one side of said stack and having a plurality of central openings, a second flange and at least one perforated elongated first central element extending through the central aperture of said stack of filtration disks, said first central element being integral at one of its ends with the second flange and having a first part of essentially solid cross-section and a second part at its other end with a plurality of lugs with superposed rachets intended to operate together with said plurality of said central openings, each lug cooperating together with one of said central openings.
Dependencies are inferred from the claim text.