Patents by Inventor Jan Wenzelburger

Jan Wenzelburger 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).

  • Heat exchanger for cooling exhaust gas and method of manufacturing same
    Patent number: 7246437
    Abstract: A heat exchanger for cooling exhaust gas, around which a liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded with a sheet metal jacket which follows the contour of the bundle and which is provided with a cooling medium inlet and a cooling medium outlet. The ends of the sheet metal jacket are provided with welded-on flange plates which are each open by means of a central opening with respect to the bundle of rectangular tubes and which are provided with fastening devices for fastening onto pipe sections of an exhaust pipe.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: July 24, 2007
    Assignee: Behr GmbH & Co.
    Inventors: Herbert Damsohn, Thomas Karbach, Conrad Pfender, Jan Wenzelburger
  • Heat exchanger for cooling exhaust gas and method of manufacturing same
    Patent number: 6944947
    Abstract: A heat exchanger for cooling exhaust gas, around which liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded with a sheet metal jacket which follows the contour of the bundle and which is provided with a cooling medium inlet and a cooling medium outlet. The ends of the sheet metal jacket are provided with welded-on flange plates which are each open by means of a central opening with respect to the bundle of rectangular tubes and which are provided with fastening devices for fastening onto pipe sections of an exhaust pipe.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: September 20, 2005
    Assignee: BEHR GmbH & Co.
    Inventors: Herbert Damsohn, Thomas Karbach, Conrad Pfender, Jan Wenzelburger
  • Heat exchanger for cooling exhaust gas and method of manufacturing same
    Publication number: 20050189095
    Abstract: A heat exchanger for cooling exhaust gas, around which a liquid cooling medium flows on the outside, including a bundle of rectangular tubes provided as ducts for the exhaust gas whose ends are welded into tube bottoms. The bundle of rectangular tubes is surrounded with a sheet metal jacket which follows the contour of the bundle and which is provided with a cooling medium inlet and a cooling medium outlet. The ends of the sheet metal jacket are provided with welded-on flange plates which are each open by means of a central opening with respect to the bundle of rectangular tubes and which are provided with fastening devices for fastening onto pipe sections of an exhaust pipe.
    Type: Application
    Filed: April 29, 2005
    Publication date: September 1, 2005
    Inventors: Herbert Damsohn, Thomas Karbach, Conrad Pfender, Jan Wenzelburger