Patent ID: 6852217
Filing Date: 2005-02-08
Classification: B01D,F02M

Abstract:
1. A filter comprising a filter housing with an inlet and an outlet for a fluid to be filtered, a filter cartridge arranged in said housing so that fluid from said inlet must flow through said filter cartridge to reach said outlet, and an additional functional part arranged in said housing with said filter cartridge; said filter cartridge comprising an annularly constructed filter medium arranged between two axial end plates, wherein said filter medium of said filter cartridge is provided with a lateral recess for accommodating said additional functional part of said filter, and said additional functional part comprises a probe of a water level sensor and a suction tube of a liquid discharge, wherein the filter medium is comprised of a sheet of filter material folded in zig-zag fashion to form a pleated structure, wherein said lateral recess is a folded pocket formed by an enlarged distance between adjacent folds, and wherein said lateral recess in the filter medium of the filter cartridge extends axially at least to one of the end plates of the filter cartridge and said one end plate is provided with a notch which is aligned with said lateral recess in the filter medium.