US 11,746,905 B2
Filter arrangement with a gel seal and use of such a filter arrangement as an interior air filter
Maik Sieh, Sandhausen (DE); and Morfula Chirnside, Schwetzingen (DE)
Assigned to CARL FREUDENBERG KG, Weinheim (DE)
Filed by Carl Freudenberg KG, Weinheim (DE)
Filed on Apr. 18, 2019, as Appl. No. 16/387,570.
Claims priority of application No. 18185206 (EP), filed on Jul. 24, 2018.
Prior Publication US 2020/0032905 A1, Jan. 30, 2020
Int. Cl. F16J 15/14 (2006.01); F16J 15/02 (2006.01); B01D 46/00 (2022.01); B01D 46/10 (2006.01)
CPC F16J 15/14 (2013.01) [B01D 46/0005 (2013.01); F16J 15/022 (2013.01); B01D 46/10 (2013.01); B01D 2201/30 (2013.01); B01D 2201/34 (2013.01); B01D 2271/00 (2013.01); B01L 2300/0681 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A filter arrangement, comprising:
a filter element in a first filter stage, the filter element having a filter material configured to filter an air stream;
a housing configured to receive the filter element;
a circumferential gel seal arranged between the filter element and the housing in order to seal the filter element in relation to the housing, wherein the circumferential gel seal has a circumferential gel channel,
wherein the filter arrangement has a circumferential cutter, and the circumferential cutter dips into the circumferential gel channel, and
wherein the filter arrangement has a circumferential cover element configured to cover an outer circumferential edge of the circumferential gel channel on a raw gas side of the filter arrangement.