US 11,757,112 B2
Humidifier, fuel cell device having a humidifier, and motor vehicle
Oliver Berger, Braunschweig (DE); Rune Staeck, Gifhorn (DE); and Christian Lucas, Braunschweig (DE)
Assigned to Volkswagen AG, Wolfsburg (DE); and Audi AG, Ingolstadt (DE)
Appl. No. 17/266,522
Filed by AUDI AG, Ingolstadt (DE); and Volkswagen AG, Wolfsburg (DE)
PCT Filed Jun. 28, 2019, PCT No. PCT/EP2019/067341
§ 371(c)(1), (2) Date Feb. 5, 2021,
PCT Pub. No. WO2020/030346, PCT Pub. Date Feb. 13, 2020.
Claims priority of application No. 10 2018 213 153.8 (DE), filed on Aug. 7, 2018.
Prior Publication US 2021/0320311 A1, Oct. 14, 2021
Int. Cl. H01M 8/04 (2016.01); H01M 8/04119 (2016.01); B01D 63/08 (2006.01); H01M 8/04029 (2016.01)
CPC H01M 8/04149 (2013.01) [B01D 63/082 (2013.01); H01M 8/04029 (2013.01); H01M 2250/20 (2013.01)] 10 Claims
OG exemplary drawing
1. A humidifier, comprising:
a plurality of humidifier modules that are clamped between end plates by tie rods, each of the humidifier modules including:
a membrane that is permeable to water vapor;
a first flow field frame having a first multiplicity of webs defining a first flow field arranged on a first side of the membrane; and
a second flow field frame having a second multiplicity of webs defining a second flow field arranged on a second side of the membrane opposite to the first side of the membrane, and
wherein the tie rods are hollow and form coolant tubes for a coolant to flow through the humidifier.