Sleeve for a filtering unit with backwashing
AssigneeAlfa Laval Moatti
InventorAdrien NICOLLE
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Abstract
The sleeve is configured to be mounted coaxially inside a stack of annular filtering elements and comprises apertures each having an inner orifice and an outer orifice, the outer orifice of each aperture being configured to face and communicate with an inner passage of a filtering element, wherein the apertures are organized in several circumferential rows, each circumferential row extending over a whole circumference of the sleeve, and wherein at least some of the apertures have an outer orifice elongated in the circumferential direction.
Claims18
A sleeve for a filtering unit with backwashing, the sleeve being configured to be mounted coaxially inside a stack of annular filtering elements,
- comprising apertures each having an inner orifice and an outer orifice, the outer orifice of each aperture being configured to face and communicate with an inner passage of a filtering element,
- wherein the apertures are organized in several circumferential rows, each circumferential row extending over a whole circumference of the sleeve, and
- wherein at least some of the apertures have an outer orifice elongated in the circumferential direction, wherein at least some of the apertures (72) have an inner orifice elongated in the axial direction.
Dependencies are inferred from the claim text.