Patente

 

Method for determining a current density distribution in a fuel cell stack 
Patent number: 6815117 
Date of Patent: November 9, 2004 
Assignee: Volkswagen AG 
Inventor: Karl-Heinz Hauer 

Method and device for filling a fuel cell stack 
Patent number: 6534209 
Date of Patent: March 18, 2003 
Assignee: Volkswagen AG 
Inventor: Karl-Heinz Hauer 

Fuel cell arrangement having a methanol reformer with an energy storage unit and method for controlling the energy flow of the fuel cell arrangement 
Patent number: 6214484 
Date of Patent: April 10, 2001 
Assignee: Volkswagen AG 
Inventor: Karl-Heinz Hauer 

Process and arrangement for monitoring and/or controlling charging of a modular battery, particularly in a battery powered vehicle 
Patent number: 6137262 
Date of Patent: October 24, 2000 
Assignee: Volkswagen AG 
Inventor: Karl-Heinz Hauer 

Verfahren zur Bestimmung der Stromdichteverteilung in einem Brennstoffzellenstack 
German Patent: DE102006035741
Date of Patent: 05/03/2007 
Inventors:
Hauer, Karl-Heinz, Dr. (Salzgitter, 38229, DE) 
Stolten, Detlef, Prof. (Aachen, 52076, DE) 
Mergel, Jürgen (Jülich, 52428, DE) 
Dohle, Hendrik (Stolberg, 52224, DE) 

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