Patent ID: 6325929
Filing Date: 2001-12-04
Classification: B01D,C02F

Abstract:
A replacement filter cartridge for a water filtering system including a sump having an interior surface and a reception port for receiving the filter cartridge, the filter cartridge comprising:a) an elongated carbon block filter element defining a longitudinal axis, the carbon block filter element having opposed first and second end surfaces and an axial cavity extending along the longitudinal axis of the carbon block filter element and through the first and second end surfaces thereof;b) a first end cap positioned at the first end surface of the carbon block filter element, the first end cap having a neck portion and an axial passage extending therethrough, the first end cap configured to cover the first end surface and to provide communication between the axial passage of the first end cap and the axial cavity of the carbon block filter element; andc) a second end cap positioned at the second end surface of the carbon block filter element, the second end cap having an imperforate base wall and engagement structure formed thereon for engaging complementary structure formed on the interior surface of the sump, the second end cap having a recessed area defined by an imperforate annular wall extending from the imperforate base wall and configured to cover the second end surface and the axial cavity of the carbon block filter element at the second end surface, wherein the annular wall of the second end cap is axially spaced from the engagement structure of the second end cap in a direction toward the first end cap, a sealing member is axially disposed between the annular wall and the engagement structure, and the second end cap forms a sealed closure for the reception port of the sump.