Patents by Inventor Albert Rapp

Albert Rapp 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).

  • Valve timing gear for an internal combustion engine
    Patent number: 5623899
    Abstract: In a valve timing gear for an internal combustion engine having valves, means for actuating the valves and oil supply passages for supplying lubricating oil to the valve actuating means, the oil supply passages have side bores with outlet openings arranged above the valve stem surface areas to be lubricated and a pin-like restrictor with at least one longitudinal groove is disposed in each bore for controlling the oil flow through the bore and guiding it along the pin-like restrictor which ends above surface area to be lubricated.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: April 29, 1997
    Assignee: Mercedes-Benz AG
    Inventors: Harry Wolf, Albert Rapp