US 12,257,540 B2
Filter element
Harald Mees, Lebach (DE)
Assigned to HYDAC FILTERTECHNIK GMBH, Sulzbach/Saar (DE)
Appl. No. 17/909,818
Filed by Hydac Filtertechnik GmbH, Sulzbach/Saar (DE)
PCT Filed Jul. 27, 2021, PCT No. PCT/EP2021/071045
§ 371(c)(1), (2) Date Sep. 7, 2022,
PCT Pub. No. WO2022/028961, PCT Pub. Date Feb. 10, 2022.
Claims priority of application No. 10 2020 004 704.1 (DE), filed on Aug. 4, 2020.
Prior Publication US 2023/0241540 A1, Aug. 3, 2023
Int. Cl. B01D 24/00 (2006.01); B01D 46/24 (2006.01); B01D 46/52 (2006.01)
CPC B01D 46/521 (2013.01) [B01D 46/2403 (2013.01); B01D 2201/0415 (2013.01); B01D 2201/12 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A filter element, comprising:
a filter mat web;
free, mutually adjacent first and second web ends of the filter mat web being joined along a joint forming the filter mat web into a hollow body, the joint being made of a connecting part provided with groove-shaped receiving channels, each of the receiving channels receiving a respective one of the first and second web ends of the filter mat; and
a step-shaped offset of the receiving channels relative to each other in a direction of the hollow body such that, viewed along a circumference of the hollow body, the first and second web ends extending into the respective receiving channels at different level positions relative to each other.