Patents by Inventor Aurel Hagen

Aurel Hagen 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: 6412277
    Abstract: In an arrangement for producing a vacuum in a motor vehicle system including an internal combustion engine with an air intake system, a vacuum-operated power brake system for braking the vehicle and a fuel vapor adsorption system for collecting fuel vapors, a vacuum pump is provided which has a suction side in communication selectively with the vacuum operated power brake system and the fuel vapor adsorption system and a discharge side in communication with the air intake system of the internal combustion engine.
    Type: Grant
    Filed: January 12, 2001
    Date of Patent: July 2, 2002
    Assignee: DaimlerChrysler AG
    Inventors: Aurel Hagen, Peter Klein, Lothar Mauz, Arthur Pradt, Bernhard Schweizer, Klaus Wunderlich
  • Publication number: 20010011456
    Abstract: In an arrangement for producing a vacuum in a motor vehicle system including an internal combustion engine with an air intake system, a vacuum-operated power brake system for braking the vehicle and a fuel vapor adsorption system for collecting fuel vapors, a vacuum pump is provided which has a suction side in communication selectively with the vacuum operated power brake system and the fuel vapor adsorption system and a discharge side in communication with the air intake system of the internal combustion engine.
    Type: Application
    Filed: January 12, 2001
    Publication date: August 9, 2001
    Inventors: Aurel Hagen, Peter Klein, Lothar Mauz, Arthur Pradt, Bernhard Schweizer, Klaus Wunderlich