Patents by Inventor Fred Thiele

Fred Thiele 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: 7757489
    Abstract: An engine configuration includes an internal combustion engine with a plurality of cylinders, at least one turbocharger and a first and a second exhaust gas tract. A turbine of the at least one turbocharger is associated with the first exhaust gas tract. Increased torque and increased power can be achieved when a bypass exhaust gas line emerging from at least one cylinder, which is associated with the first exhaust gas tract, is connected to the first exhaust gas tract such that it bypasses the at least one turbocharger.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: July 20, 2010
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Helmut Endres, Ekkehard Pott, Fred Thiele, Jörg Theobald
  • Publication number: 20070193269
    Abstract: An engine configuration includes an internal combustion engine with a plurality of cylinders, at least one turbocharger and a first and a second exhaust gas tract. A turbine of the at least one turbocharger is associated with the first exhaust gas tract. Increased torque and increased power can be achieved when a bypass exhaust gas line emerging from at least one cylinder, which is associated with the first exhaust gas tract, is connected to the first exhaust gas tract such that it bypasses the at least one turbocharger.
    Type: Application
    Filed: January 12, 2007
    Publication date: August 23, 2007
    Applicant: Volkswagen Aktiengesellschaft
    Inventors: Helmut Endres, Ekkehard Pott, Fred Thiele, Jorg Theobald
  • Patent number: 5197189
    Abstract: To simplify the manufacture of a cylinder head having at least one port liner surrounding a compression change passage, the port liner, a valve seat ring and a lift valve guide are welded together to make a unitary gas-passage-forming member and the cylinder head is cast around the gas-passage-forming member.
    Type: Grant
    Filed: August 28, 1991
    Date of Patent: March 30, 1993
    Assignee: Volkswagen AG
    Inventors: Klaus-Hagen Schreiber, Fred Thiele