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:
Aug. 22, 2017
Filed:
Apr. 14, 2015
Applicant:
GM Global Technology Operations Llc, Detroit, MI (US);
Inventors:
Jeffrey M. Guzda, Spencerport, NY (US);
David A. Martinchek, Spencerport, NY (US);
Assignee:
GM Global Technology Operations LLC, Detroit, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 63/08 (2006.01); H01M 8/04119 (2016.01); H01M 8/1018 (2016.01); H01M 8/1023 (2016.01); H01M 8/1039 (2016.01); B01D 67/00 (2006.01);
U.S. Cl.
CPC ...
H01M 8/04149 (2013.01); B01D 63/082 (2013.01); B01D 67/0034 (2013.01); H01M 8/04171 (2013.01); H01M 8/1018 (2013.01); H01M 8/1023 (2013.01); H01M 8/1039 (2013.01); B01D 2319/02 (2013.01); Y02E 60/521 (2013.01); Y02P 70/56 (2015.11); Y10T 156/1023 (2015.01);
Abstract
A membrane humidifier assembly for a membrane humidifier for a fuel cell system and a method for making the same is disclosed, the method comprising the steps of providing a material for forming a diffusion medium; forming a plurality of channels in the material with one of a channel-forming roller, a means for etching the material, and a press for forming the diffusion medium; and providing a pair of membranes, wherein the diffusion medium is disposed between the pair of membranes.