Patent ID: 8857628
Filing Date: 2014-10-14
Classification: B01D,F02M

Abstract:
1. A filter for filtering a liquid, said filter comprising: i) a housing including a spacer received into and enclosed in a lower portion of said housing, a lower wall of said housing and said spacer forming a collection space therebetween for liquids, said spacer including a threaded central eye, said eye comprising liquid channels formed as grooves in a material of the spacer and extending radially from the eye to permit flow of the separated liquid to the eye from a lower portion of said collection space, wherein said spacer includes a tapered support ring with an outer circumferential portion tapering upwards to rest against a wall of said housing; ii) a filter medium received in the housing and resting non-attached on said tapered support ring, said tapered support ring radially centering said filter medium in said housing; iii) an outlet opening formed in a lower region of the filter housing for discharging a separated liquid from the filter; wherein said eye of said spacer is a plate-like member having said threaded mount in a central portion, said plate-like member having a bottom face positioned parallel to and lying upon said lower wall of said housing; wherein said liquid channels are formed by radially extending grooves formed into an exterior wall of the plate-like member on its bottom face, the radially extending grooves closed over by the lower wall of said housing forming circumferentially closed liquid channels arranged external to and underneath the spacer plate-like member and closed over by the bottom housing wall; wherein the walls that circumferentially enclose the liquid channels consisting of: wherein the liquid channels have two opposing openings; wherein the closed grooves are circumferentially closed from the radially outer opening to the radially inner opening by the bottom face of the plate-like member and the bottom wall of the housing, the grooves arranged externally on the bottom face underneath the plate-like member, providing liquid discharge underneath the plate-like eye member to the outlet opening.