US 12,257,587 B2
Filter and manufacturing method thereof
Dong Ho Kwon, Yongin-si (KR); Gee Young Shin, Suwon-si (KR); Myung Hoe Kim, Seoul (KR); Seung Sik Han, Hwaseong-si (KR); Seung Hwan Ko, Seoul (KR); Sung Geun Han, Seoul (KR); and Jin Mo Kim, Seoul (KR)
Assigned to HYUNDAI MOTOR COMPANY, Seoul (KR); KIA CORPORATION, Seoul (KR); and Seoul National University R&DB Foundation, Seoul (KR)
Filed by HYUNDAI MOTOR COMPANY, Seoul (KR); KIA CORPORATION, Seoul (KR); and Seoul National University R&DB Foundation, Seoul (KR)
Filed on Apr. 4, 2024, as Appl. No. 18/626,803.
Application 18/626,803 is a division of application No. 17/412,935, filed on Aug. 26, 2021, granted, now 12,023,686.
Claims priority of application No. 10-2020-0188378 (KR), filed on Dec. 30, 2020.
Prior Publication US 2024/0246092 A1, Jul. 25, 2024
Int. Cl. B03C 3/155 (2006.01); B01D 46/00 (2022.01); B01D 46/42 (2006.01); B01D 46/52 (2006.01); B03C 3/12 (2006.01); B03C 3/45 (2006.01)
CPC B03C 3/155 (2013.01) [B01D 46/0001 (2013.01); B01D 46/0032 (2013.01); B01D 46/4245 (2013.01); B01D 46/521 (2013.01); B01D 46/523 (2013.01); B03C 3/12 (2013.01); B03C 3/45 (2013.01)] 8 Claims
OG exemplary drawing
 
1. A filter manufacturing method comprising:
folding a filter media up and down and forming a wrinkle shape composed of a plurality of bent parts and a connection part connecting adjacent bent parts among the plurality of bent parts;
forming a conductive coating layer pattern on the filter media; and
electrically connecting a first end and a second end of the conductive coating layer pattern to a first power source, and
wherein the conductive coating layer pattern includes a plurality of parallel patterns and the plurality of parallel patterns are formed to be positioned on the connection part.