Patent ID: 7954647
Filing Date: 2011-06-07
Classification: B01D

Abstract:
1. A filter comprising: a housing including a head and a bowl, the head having an inlet, an outlet, and a vent, wherein the head having the inlet, the outlet, and the vent is permanently attached to the bowl and the bowl includes a side wall having an interior and a bottom wall having an interior, wherein the inlet includes a first fitting on the housing in the head and extends through said sidewall and into said interior at said bottom wall, and the outlet includes a second fitting on the housing in the head and spaced from the first fitting, and wherein the housing further includes a filter cartridge chamber, and a filter cartridge permanently positioned in the filter cartridge chamber errand bonded to the housing, the filter cartridge having an exterior and a bottom and including a filter element having a hollow interior and a blind end cap sealed to a lower end of the filter element, wherein the inlet fluidly communicates with one of the exterior and the interior of the filter cartridge, the outlet fluidly communicates with the other of the exterior and the interior of the filter cartridge, and the vent vents gas from the housing, wherein the interior of the side wall of the bowl fits around the exterior of the filter cartridge, defining an annular channel between the interior of side wall and the exterior of the filter cartridge, wherein the bottom of the filter cartridge includes a surface which is inclined upwardly toward the annular channel, and wherein the interior of the bottom wall of the bowl includes a surface which faces the bottom surface of the filter cartridge and is inclined upwardly toward the annular channel.