Patents by Inventor Dirk Bartz

Dirk Bartz 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: 6729311
    Abstract: An aeration and deaeration device for the fuel tank (1) of an internal combustion engine (6) in which the aeration and deaeration are performed through an adsorption filter, the adsorption filter can be regenerated by backwashing with atmospheric air, the backwashing air is sent to the air intake area of the internal combustion engine, the composition of the backwashing air is determined and taken into account in control of the combustion process taking place inside the engine, should permit backwashing of the adsorption filter which has an influence on the composition of the engine exhaust gas.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: May 4, 2004
    Assignee: Mahle Filtersysteme GmbH
    Inventors: Helmut Auernhammer, Dirk Bartz, Horst Hauke, Ivano Morgillo, Hagen Zelssmann
  • Publication number: 20030000505
    Abstract: An aeration and deaeration device for the fuel tank (1) of an internal combustion engine (6) in which
    Type: Application
    Filed: August 1, 2002
    Publication date: January 2, 2003
    Inventors: Helmut Auernhammer, Dirk Bartz, Horst Hauke, Ivano Morgillo, Hagen Zelssmann