Patents by Inventor Erich K. Erdle

Erich K. Erdle has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6833206
    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.
    Type: Grant
    Filed: September 28, 2001
    Date of Patent: December 21, 2004
    Assignee: DaimlerChrysler AG
    Inventors: Erich K. Erdle, Volker Richters, Ottmar Schmid
  • Publication number: 20030064260
    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.
    Type: Application
    Filed: September 28, 2001
    Publication date: April 3, 2003
    Inventors: Erich K. Erdle, Volker Richters, Ottmar Schmid