Patent ID: 11938427
Assignee: MAHLE INTERNATIONAL GMBH
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 19:
20. A liquid filter device, comprising:
a filter housing including a drainage channel;
a ring filter element arranged in the filter housing, the ring filter element including:
an upper end disc, a lower end disc and a filter material arranged in between the upper end disc and the lower end disc,
a pin eccentrically arranged on the lower end disc and projecting in an axial direction for closing off the drainage channel,
at least one support contour disposed on the lower end disc adjacently to the pin, the at least one support contour projecting from the lower end disc in the axial direction,

wherein the ring filter element in an installed state supports itself on the filter housing via the at least one support contour that projects from the lower end disc in the axial direction, and
wherein the drainage channel comprises a funnel-like inlet with a conical inner surface that provides a counter-support surface on which the ring filter element supports itself via the lower end disc and the at least one support contour, wherein the at least one support contour includes at least two support contours having respective support surfaces each inclined towards a surface of the lower end disc.