US 11,725,615 B2
Secondary filter element and filter arrangement
Dennis Stark, Mauer (DE); Michael Kaufmann, Meckenheim (DE); and Klaus-Dieter Ruhland, Meckenheim (DE)
Assigned to MANN+HUMMEL GmbH, Ludwigsburg (DE)
Filed by MANN+HUMMEL GmbH, Ludwigsburg (DE)
Filed on Jan. 7, 2021, as Appl. No. 17/143,455.
Application 17/143,455 is a continuation of application No. PCT/EP2019/066684, filed on Jun. 24, 2019.
Claims priority of application No. 102018116506.4 (DE), filed on Jul. 9, 2018.
Prior Publication US 2021/0131389 A1, May 6, 2021
Int. Cl. F02M 35/02 (2006.01); F02M 35/024 (2006.01)
CPC F02M 35/02483 (2013.01) [F02M 35/0201 (2013.01); F02M 35/0212 (2013.01); F02M 35/02416 (2013.01); F02M 35/0245 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A secondary filter element for a filter arrangement, the secondary filter element comprising:
a filter medium;
a circumferentially extending sealing device configured to seal the secondary filter element in respect to a filter receptacle of the filter arrangement;
wherein the circumferentially extending sealing device comprises an oval geometry with a long side and a short side;
wherein the circumferentially extending sealing device comprises an outer surface projecting, in a radial direction of the secondary filter element, farther past the filter medium when viewed along the short side compared to when viewed along the long side.