US 12,327,893 B2
Humidifier for fuel cell
Youngseok Oh, Seoul (KR); Ahreum Lee, Seoul (KR); and Jiyoon Lee, Seoul (KR)
Assigned to KOLON INDUSTRIES, INC., Seoul (KR)
Appl. No. 17/996,342
Filed by KOLON INDUSTRIES, INC., Seoul (KR)
PCT Filed Jun. 23, 2021, PCT No. PCT/KR2021/007852
§ 371(c)(1), (2) Date Oct. 15, 2022,
PCT Pub. No. WO2022/005089, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 10-2020-0081638 (KR), filed on Jul. 2, 2020.
Prior Publication US 2023/0197986 A1, Jun. 22, 2023
Int. Cl. H01M 8/04119 (2016.01)
CPC H01M 8/04126 (2013.01) 10 Claims
OG exemplary drawing
 
1. A humidifier for fuel cells, the humidifier comprising:
a humidifying module configured to humidify dry gas supplied from outside using wet gas discharged from a fuel cell stack;
a first cap coupled to one end of the humidifying module; and
a second cap coupled to the other end of the humidifying module, wherein
the humidifying module comprises:
a mid-case open at opposite ends thereof;
a first gas inlet and a first gas outlet formed at one side of the mid-case; and
a hollow fiber membrane bundle received in the mid-case in a longitudinal direction,
the hollow fiber membrane bundle comprises a plurality of first hollow fiber membranes,
each of the first hollow fiber membranes independently comprises a first hollow, and
a center of the first hollow deviates from a center of the first hollow fiber membrane toward the other side of the mid-case,
wherein the hollow fiber membrane bundle further comprises a plurality of second hollow fiber membranes,
each of the second hollow fiber membranes independently comprises a second hollow, and
a center of the second hollow is located at an identical position to a center of the second hollow fiber membrane.