Filter support member and methods of use and fabrication
AssigneeUSFilter Corporation
InventorsJulian Pauwels, Dwight Smith, Jimmy Speigner, Tommy Glass
Life of this patent
Estimating the term…
Abstract
A filter apparatus has filter media support member resistant to bacterial activity. The filter media support member can have one or more channels configured to retain filter media while permitting fluid flow therethrough in a non-tortuous fluid flow path through channels. The channels typically have smooth, asperities-free channel walls.
Claims18
A filter media support plate having a filter media-facing surface and a drain-facing surface, the support plate comprising at least one passage having a substantially smooth passage wall, the at least one passage sized to retain filter media while permitting flow of a fluid from the filter media-facing surface to the drain-facing surface.
A traveling bridge filter apparatus including filter media comprising:
- an inlet and a drain;
- and
- a support plate disposed to support the filter media, the support plate comprising a media-facing surface and a drain-facing surface and at least one channel defining a flow path from the media-facing surface to the drain-facing surface,
- wherein the at least one channel is sized to provide a fluid flow path with an effective pressure drop of less than about 10 psi between the media-facing surface and the drain-facing surface.
A method of fabricating a media support member comprising an act of laser cutting at least one channel through a plate, the at least one channel sized to prevent entry of filter media while permitting a fluid to pass through the at least one channel.
A method of treating water in a filter apparatus having at least one filter cell defined at least by filter cell walls and a filter cell media support plate, the filter media support plate having a media-facing surface and a drain-facing surface comprising acts of:
- introducing water into the at least one filter cell;
- promoting water passage through the filter media;
- and
- draining water through the filter cell media support plate in a tortuous-free flow path from the media-facing surface to the drain-facing surface.
Dependencies are inferred from the claim text.