Patent ID: 6540914
Filing Date: 2003-04-01
Classification: B01D

Abstract:
A reusable fluid filter for mounting on an engine having a filtered oil tube and an unfiltered oil port, the reusable fluid filter comprising:(a) a one-piece cylindrical canister having an inner wall and a central axis, a closed end and an open end; (b) an adapter having an inside face and an outside face, the adapter body adapted to sealingly close the open end of the canister; (c) a cylindrical, reusable filter mountable on the adapter body, the filter extending into the canister and defining an unfiltered fluid compartment between the filter and the inner wall of the canister and a filtered fluid compartment separated from the unfiltered fluid compartment by the cylindrical, reusable filter; (d) an oil inlet in the adapter body in fluid communication with the unfiltered oil port in the engine and the unfiltered fluid compartment; (e) the cylindrical, reusable filter further comprising a filter screen adjacent to the unfiltered fluid compartment, means for spinning the filter screen about the central axis under the force of oil from the oil inlet; (f) an outlet in the adapter body extending from the filtered fluid compartment to the filtered oil tube; and (g) wherein the means for spinning the filter screen about the central axis further comprises: a disc having a plurality of vanes directed angularly into the unfiltered fluid compartment; the filter screen mounted to the disc; a snap ring engaging the disc; a bearing engaging the snap ring; and bearing mounts adapted to mount the bearing on the body, whereby oil from the oil inlet strikes the vanes, causing the filter screen to spin about the central axis.