The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 12, 2023
Filed:
Jun. 28, 2019
Applicants:
Audi Ag, Ingolstadt, DE;
Volkswagen Ag, Wolfsburg, DE;
Inventors:
Assignees:
Volkswagen AG, Wolfsburg, DE;
Audi AG, Ingolstadt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2016.01); H01M 8/04119 (2016.01); B01D 63/08 (2006.01); H01M 8/04029 (2016.01);
U.S. Cl.
CPC ...
H01M 8/04149 (2013.01); B01D 63/082 (2013.01); H01M 8/04029 (2013.01); H01M 2250/20 (2013.01);
Abstract
A humidifier has a plurality of humidifier modules that are clamped between end plates by tie rods and have a membrane that is permeable to water vapor, in which on both sides of the membrane there is respectively arranged a flow field frame having a multiplicity of webs defining a flow field. The tie rods are configured as hollow rods forming coolant tubes for a coolant to be led through. A fuel cell device and a motor vehicle having such a humidifier are also provided.