Patent ID: 8182681
Filing Date: 2012-05-22
Classification: B01D,F01M

Abstract:
1. An oil filter assembly comprising: a housing having a receiving chamber, said housing also defining a drain opening; a filter element disposed in said receiving chamber, wherein oil passes through said filter element in a radial direction; a supporting tube fixed within said receiving chamber to support said filter element, said housing having means for securing said supporting tube in said receiving chamber to remain in said housing when said filter element is exchanged; a cover element cooperating with said housing to close said receiving chamber, said cover element having a supporting tube abutment area on a side thereof facing said receiving chamber, wherein, when said filter element is disposed on said supporting tube, said supporting tube is directly loaded by said supporting tube abutment area and displaced into an operating position while said receiving chamber is being closed, said supporting tube abutment area directly keeping said supporting tube in said operating position after said receiving chamber has been closed; and a spring element supported on one side thereof by said supporting tube and on an other side thereof by said housing, wherein said supporting tube is displaceably disposed in an axial direction between said operating position in which said receiving chamber is closed by said cover element and in which said supporting tube closes said drain opening and a drain position in which said supporting tube opens said drain opening as said receiving chamber is opened.