Patent ID: 7185643
Filing Date: 2007-03-06
Classification: B01D,F01M,F02M,Y02T

Abstract:
1. An apparatus comprising: a housing; a fill tube disposed within the housing, wherein the fill tube has a fluid inlet at one end and a fluid outlet at another end, wherein the fluid outlet is disposed near a passage of the housing, and wherein a fluid from the fill tube is capable of draining into the passage; a cylindrical filter element having a permeable cylindrical surface disposed between the fill tube and the housing, such that unfiltered gases from the passage are capable of passing through the cylindrical surface; a plurality of ribs disposed between the passage and the cylindrical filter element, wherein the ribs are arranged to direct unfiltered gases from the passage into a space between the cylindrical filter element and at least one of the fill tube and the housing, wherein the ribs are arranged to permit a fluid from the removable filter element to drain into the passage; a support member disposed between the cylindrical filter element and the housing; a gas outlet integrated with the housing, the housing, fill tube, ribs, and filter element defining an exclusive flow path for gas extending from the passage, through the ribs, through the cylindrical filter element, and through a space between the cylindrical filter element and at least one of the fill tube and the housing, to the gas outlet.