Patents by Inventor Helmut Kronowiecki

Helmut Kronowiecki 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).

  • Hydraulic tensioning arrangement for tensioning flexible drive means for a camshaft
    Patent number: 5730673
    Abstract: In a hydraulic tensioning arrangement for tensioning a flexible drive for a camshaft of an internal combustion engine including a crankcase and a cylinder head wherein a main lubricating oil channel extends longitudinally along the inside of the crankcase and has an opening at the front end of the crankcase, a hydraulic housing with a cylinder receiving a plunger is mounted on the front end of the crankcase so as to cover the main lubricating oil channel opening and passage elements are provided for supplying oil from the main lubricating oil channel to the cylinder to bias the plunger against tensioning elements engaging the flexible drive.
    Type: Grant
    Filed: December 9, 1996
    Date of Patent: March 24, 1998
    Assignee: Mercedes-Benz AG
    Inventors: Hubert Schnupke, Helmut Kronowiecki, Erhard Rau, Robert Gulpen, Klaus Bruchner