Patents by Inventor Thomas Bachner

Thomas Bachner 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).

  • Tube plate for exhaust heat exchanger
    Patent number: 7367387
    Abstract: A tube plate for exhaust heat exchangers, with punched openings to hold the tube ends of a tube bundle, wherein the openings are arranged grid-like with a web width b, and each of the openings has a shear surface with a height h produced by punching, and a bevel of depth t, that is manufactured before punching, and wherein the height h is roughly the same as or smaller than the web width b, is disclosed.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: May 6, 2008
    Assignee: Behr GmbH & Co.
    Inventors: Steffen Brunner, Thomas Bachner
  • Exhaust gas heat exchanger and method for the production thereof
    Patent number: 7278473
    Abstract: The invention relates to an exhaust gas heat exchanger for motor vehicles, comprising a cluster of exhaust pipes (10) which are soldered on the front surface thereof to pipe bottoms, and a housing jacket (3, 3b) which is welded to the pipe bottoms (7). According to the invention, the pipe bottoms are welded to the housing jacket (3b) by means of peripheral welds (11).
    Type: Grant
    Filed: June 23, 2003
    Date of Patent: October 9, 2007
    Assignee: BEHR GmbH & Co.
    Inventors: Steffen Brunner, Thomas Bächner, Bernd Grünenwald, Joachim Schemel
  • Exhaust gas heat exchanger and method for the production thereof
    Publication number: 20050263272
    Abstract: The invention relates to an exhaust gas heat exchanger for motor vehicles, comprising a cluster of exhaust pipes (10) which are soldered on the front surface thereof to pipe bottoms, and a housing jacket (3, 3b) which is welded to the pipe bottoms (7). According to the invention, the pipe bottoms are welded to the housing jacket (3b) by means of peripheral welds (11).
    Type: Application
    Filed: June 23, 2003
    Publication date: December 1, 2005
    Inventors: Steffen Brunner, Thomas Bachner, Bernd Grunenwald, Joachim Schemel
  • Tube plate for exhaust heat exchanger
    Publication number: 20030079869
    Abstract: The invention pertains to a tube plate made of stainless steel for exhaust heat exchangers, with punched openings to hold the tube ends of a tube bundle, wherein the openings preferably have a rectangular cross section and are arranged grid-like with a web width b. Each of the openings has a shear surface with height h produced by punching, and which is adjoined by a bevel of depth t, that is manufactured before punching, and wherein the height h is roughly the same as or smaller than the web width b.
    Type: Application
    Filed: October 24, 2002
    Publication date: May 1, 2003
    Applicant: BEHR GmbH & Co.
    Inventors: Steffen Brunner, Thomas Bachner