Patents by Inventor Adolf Niederer

Adolf Niederer 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: 4500260
    Abstract: The pressure wave supercharger with rolling bearings for the rotor shaft has ducts in the air casing connecting the shaft space with the air induction duct in order to cool the two ball bearings mainly subjected to heating effects and located in the rotor side part of the shaft space. The rolling bearing on the driving belt side is a needle bearing.
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: February 19, 1985
    Assignee: BBC Brown, Boveri & Company, Limited
    Inventors: Andreas Mayer, Adolf Niederer