Patents by Inventor Hans Melliger

Hans Melliger 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: 4019831
    Abstract: The hollow interior of the blade is lined with a hollow insert and ribs to define a plurality of flow passages of narrow cross-section which connect a cooling-air chamber in the blade root with a cooling-air chamber in the blade tip. The chamber in the blade tip communicates with the interior of the insert and orifices are formed in the insert to exhaust air via a perforated partition through the trailing edge of the blade. The hollow insert is anchored in the blade root in various manners.
    Type: Grant
    Filed: August 28, 1975
    Date of Patent: April 26, 1977
    Assignee: Brown Boveri Sulzer Turbomachinery Ltd.
    Inventors: Clifford John Franklin, Hans Melliger