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:
Dec. 21, 2004
Filed:
Sep. 28, 2001
Applicant:
Inventors:
Erich K. Erdle, Immenstaad, DE;
Volker Richters, Leinfelden-Echterdingen, DE;
Ottmar Schmid, Markdorf, DE;
Assignee:
DaimlerChrysler AG, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 8/18 ; H01M 8/04 ;
U.S. Cl.
CPC ...
H01M 8/18 ; H01M 8/04 ;
Abstract
A power supply for an auxiliary power unit APU of a combustion vehicle having a combustion engine includes a fuel cell with a hydrogen input, an oxygen input and an exhaust output, an electrolyzer capable of generating hydrogen and oxygen from water, a hydrogen storage for storing hydrogen produced by the electrolyzer, a water supply (for supplying water to the electrolyzer), and a pressure pump for adjusting the pressure between the water supply and the electrolyzer.