Patent ID: 8152996
Filing Date: 2012-04-10
Classification: B01D

Abstract:
1. A filter comprising: a center tube having first and second ends spaced from one another, a seat extending radially from the center tube and arranged between the first and second ends, and being located closer to the first end; and an anti-drainback valve supported on the seat, a first end of the anti-drainback valve being in sealing engagement with a horizontal surface of the seat facing the second end of the center tube, wherein the center tube includes an axially extending body, the axially extending body includes a plurality of openings for connecting an inside and an outside of said center tube, and the center tube includes an inner surface, and a relief valve is supported on the first end, the relief valve including an inner leg in sealing engagement with the inner surface when in a closed position, the inner leg deflecting radially inwardly away from the inner surface in an open position.