Patent ID: 7951219

Claim:
A cast formed filter, comprising: a cast formed filter media formed from a single structure, the single structure having an inlet surface, an outlet surface, and an exterior side extending from a peripheral edge of the inlet surface to the outlet surface; a plurality of inlet openings located on the inlet surface, the plurality of inlet opening being spaced from each other, the plurality of inlet openings being formed at the same time as the single structure; a plurality of outlet openings located on the outlet surface, the plurality of outlet openings being spaced from each other, the plurality of outlet openings being formed at the same time as the single structure; and wherein a plurality of fluid paths are defined though the single structure, each of the plurality of fluid paths extending from the inlet surface into the cast formed filter media, wherein a first portion of the cast formed filter media is disposed in each of the plurality of fluid paths between each of the plurality of inlet openings and the outlet surface, and wherein each of the plurality of fluid paths extend from the outlet openings into the cast formed filter media, wherein a second portion of the cast formed filter media is disposed in each of the plurality of fluid paths between each of the plurality of outlet openings and the inlet surface, the second portion comprising at least a portion of the first portion of cast formed filter media; and wherein fluid flowing through the plurality of fluid paths is filtered by the cast formed filter media, wherein the cast formed filter media is formed from synthetic fiber.