Patent ID: 8245851
Filing Date: 2012-08-21
Classification: B01D

Abstract:
1. A filter assembly, comprising: a housing having a circular shaped upper portion, a non-circular shaped central portion, and a lower portion, wherein the circular shaped upper portion and the non-circular shaped central portion are coupled with each other in a serial connection along a vertical axis of the housing and define a fluid chamber, the circular shaped upper portion includes a lower shelf having a fluid inlet port, the lower shelf extending from a non-circular periphery to a circular periphery, the lower shelf connecting to the non-circular shaped central portion at the non-circular periphery and connecting to the circular shaped upper portion at the circular periphery, the fluid inlet port being accommodated between the circular periphery and the non-circular periphery, the projection of the fluid inlet along the vertical axis being radially within the circular periphery and being radially out of the non-circular periphery, and the lower shelf extending outwardly from the non-circular shaped central portion such that an extra space outside the housing is provided under the upper portion and beside the central portion to receive the fluid inlet port; a non-circular shaped filter cartridge positioned within the fluid chamber of the housing, the non-circular shaped filter cartridge having a non-circular shaped centertube and a non-circular shaped filter media, the non-circular shaped filter media being positioned around the non-circular shaped centertube; and a lid connected with an upper end of the circular shaped upper portion of the housing.