Patents by Inventor Robert Fiesel

Robert Fiesel 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).

  • Air intake device for an internal combustion engine
    Patent number: 6752115
    Abstract: An intake device for supplying combustion air to an internal combustion engine composed of two sealingly connected half shells (10, 11) which form an intake air plenum (13), intake ducts (14), and a cylinder head flange (15) in which there is an insert (20) associated with each intake duct (14). Each insert is provided with a partition (23) for dividing the flow into two flow cross-sections (21, 22). The first flow cross section (21) is provided with a valve flap (24), which can be opened and closed to influence the filling of combustion chambers of the internal combustion engine.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: June 22, 2004
    Assignee: Filterwerk Mann & Hummel GmbH
    Inventors: Robert Fiesel, Ingo Koch
  • Air intake device for an internal combustion engine
    Publication number: 20020179030
    Abstract: An intake device for supplying combustion air to an internal combustion engine composed of two sealingly connected half shells (10, 11) which form an intake air plenum (13), intake ducts (14), and a cylinder head flange (15) in which there is an insert (20) associated with each intake duct (14). Each insert is provided with a partition (23) for dividing the flow into two flow cross-sections (21, 22). The first flow cross section (21) is provided with a valve flap (24), which can be opened and closed to influence the filling of combustion chambers of the internal combustion engine.
    Type: Application
    Filed: April 19, 2002
    Publication date: December 5, 2002
    Inventors: Robert Fiesel, Ingo Koch