Patent ID: 7854837
Filing Date: 2010-12-21
Classification: B01D

Abstract:
1. A filter cartridge, comprising: a substantially cylindrical filter media adapted to allow fluid to pass from an exterior of said filter media to an interior of said filter media, said filter media having an upper longitudinal end and a lower longitudinal end; a pressure relieving structure disposed at said upper end of said filter media, and said pressure relieving structure opening when a predetermined pressure level is established across said filter media to maintain said predetermined pressure across said filter media, the pressure relieving structure including a flexible valve member that flexes in response to said predetermined pressure level to allow fluid and/or air/vapor to pass from said exterior to said interior; a top cap disposed at said upper end of said filter media and connected to said filter media; a bottom cap disposed at said lower end of said filter media and having an opening adapted to receive a fluid outlet; and a divider positioned adjacent to said exterior of said filter media, said divider having an upper end connected to said top cap and an open lower end that is longitudinally spaced from said bottom cap such that at least a portion of said filter media located adjacent to said bottom cap is not directly adjacent to said divider, and said divider extending a majority of the distance from said top cap to said bottom cap.