Patent ID: 6423215
Filing Date: 2002-07-23
Classification: B01D,B03C,F01M

Abstract:
A filter comprising:a filter casing having a body portion surrounding an interior chamber, a first end wall at one end of said body portion and a second end wall at an opposite end of said body portion; a fluid inlet port formed in said first end wall; a fluid outlet port formed in said second end wall; said fluid inlet port and said fluid outlet port for coupling said filter casing in-line with a fluid conduit carrying fluid to be filtered; a generally hollow filter element disposed in said interior chamber of said filter casing; said filter element having a first end formed with an opening and being disposed adjacent said first end wall of said filter casing, a second end disposed adjacent said second end wall of said filter casing, and a peripheral side wall formed at least partially of a filter medium and extending between said first and second ends of said filter element, said peripheral side wall surrounding an interior of said filter element; a magnet formed with an opening and being mounted on said first end of said filter element; said filter element being movable within said interior chamber of said filter casing between an operational position wherein said magnet engages and seats against said first end wall of said filter casing and a bypass position wherein said magnet is displaced from said first end wall of said filter casing; said filter element, when clogged, being moved by fluid pressure from its operational position to its bypass position to allow fluid to flow around said magnet, around said filter element, and out through said fluid outlet port.