US 11,938,427 B2
Ring filter element and liquid filter device
Heiko Hensinger, Stuttgart (DE); and Markus Lang, Loechgau (DE)
Assigned to Mahle International GmbH, (DE)
Filed by Mahle International GmbH, Stuttgart (DE)
Filed on Jan. 24, 2022, as Appl. No. 17/583,142.
Claims priority of application No. 102021200612.4 (DE), filed on Jan. 25, 2021.
Prior Publication US 2022/0233980 A1, Jul. 28, 2022
Int. Cl. B01D 35/16 (2006.01); B01D 29/21 (2006.01); B01D 35/30 (2006.01)
CPC B01D 35/16 (2013.01) [B01D 29/21 (2013.01); B01D 35/30 (2013.01); B01D 2201/0415 (2013.01); B01D 2201/0453 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A ring filter element, comprising:
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 a 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 for supporting on a filter housing,
wherein the at least one support contour includes at least two support contours that each extend tangentially or in a circumferential direction from a shank of the pin, and
wherein the shank of the pin has a cruciform cross-section and two crossing webs, wherein the at least two support contours are connected to at least one of the two webs.