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:
May. 12, 2026
Filed:
May. 12, 2021
Applicant:
Cellcentric Gmbh & Co. KG, Kirchheim unter Teck, DE;
Inventors:
Assignee:
CELLCENTRIC GMBH & CO. KG, Kirchheim unter Teck, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/04089 (2016.01); H01M 8/04111 (2016.01); H01M 8/04746 (2016.01); F04D 13/06 (2006.01);
U.S. Cl.
CPC ...
H01M 8/04111 (2013.01); H01M 8/04097 (2013.01); H01M 8/04761 (2013.01); F04D 13/06 (2013.01);
Abstract
The invention relates to an air supply device for fuel cell systems with a flow compressor and an electric drive motor for the flow compressor, wherein the flow compressor has two compressor wheels which are essentially symmetrical and which are arranged, together with the electric drive motor there between, on a common shaft. The air supply device according to the invention is characterized in that the two compressor wheels are connected on the pressure side to two systems which are pneumatically not permanently connected. A fuel cell system which uses such an air supply device is also claimed.