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. 03, 2011
Filed:
Feb. 14, 2005
Applicants:
Willi Bette, Erlangen, DE;
Detlev Coerlin, Erlangen, DE;
Walter Stühler, Hirschaid, DE;
Ottmar Voitlein, Lonnerstadt, DE;
Inventors:
Willi Bette, Erlangen, DE;
Detlev Coerlin, Erlangen, DE;
Walter Stühler, Hirschaid, DE;
Ottmar Voitlein, Lonnerstadt, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/06 (2006.01); H01M 8/00 (2006.01); H01M 8/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
During the operation of a fuel-cell assembly, the latter is supplied with ambient air with the aid of a liquid ring pump. Any foreign matter that is contained in the air is taken up by the service fluid of the liquid ring pump. The charging of the service fluid with foreign matter is controlled. In particular, the service fluid is continuously conducted in an circuit via a purification device.