Patent ID: 6555000
Filing Date: 2003-04-29
Classification: B01D,F02M

Abstract:
A filter including a housing having an inlet and outlet for directing fluid into and out of the housing, the housing including housing portions defining a filter cavity, a pump supported by one portion of the housing and extending into in the filter cavity for pumping fluid through the housing, and a filter element in the filter cavity disposed in surrounding relation to said pump for separating particulate contaminants from the fluid, a diverter plate assembly disposed in surrounding relation to the pump for dividing the filter chamber into a first zone adjacent the inlet of said filter housing and adjacent an exterior filtering surface of the filter element, and a second zone adjacent an interior filter surface of the filter element and an inlet port of said pump, and a third zone adjacent an outlet port of said pump and an outlet of said filter housing, wherein said pump pumps fluid from said second zone to said third zone, and a bypass valve disposed in said diverter plate assembly for permitting flow in a single direction from said second zone to said third zone to bypass said pump.