Patent ID: 6213929
Filing Date: 2001-04-10
Classification: B04B,F01M

Abstract:
A centrifugal filter assembly for filtering particulates from engine oil, comprising:a filter head with a first threaded connector;a housing with a second threaded connector configured to mate with said first threaded connector, said housing including an open end adjacent said filter head, a first annular seal and a second annular seal at said open end, said open end and said filter head defining a passageway therebetween, at least a portion of said passageway being disposed between said first annular seal and said second annular seal;a filter disposed within said housing and rotatable relative to said housing about an axis of rotation, said filter having an inlet and an outlet for the oil, said outlet being connected and in communication with said passageway; anda brushless direct current electric motor carried by said filter head, said motor having a rotatable output shaft detachably coupled with said filter for rotating said filter about said axis of rotation.