Patent ID: 7513993
Filing Date: 2009-04-07
Classification: B01D

Abstract:
1. A fluid filter apparatus that uses particulate to filter water in a pool or spa, the fluid filter apparatus comprising: a container defining an interior area; a hub positioned within the interior area; a lateral connected to and extending radially from the hub, the lateral including a frame, the frame having a plurality of longitudinal support elements and at least one lateral support element; a porous body including a sleeve disposed on the frame, the sleeve being constructed of an open-cell porous structure of fused beads that creates a tortuous path through a thickness of the porous body, the sleeve having a substantially cylindrical shape, the sleeve defining a hollow interior region, the plurality of longitudinal support elements being spaced apart about the at least one lateral support element in a shape complementary to the interior region, the frame extending into the interior region and engaging the sleeve within the interior region; and particulate disposed within the container and on the porous body.