Patents by Inventor Clifford John Franklin

Clifford John Franklin 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: 4021139
    Abstract: The cooled vane includes an insert from which cooling air is dispersed over the inner wall of the vane to flow from the leading edge to the trailing edge via air channels between the jacket and insert and thence from the trailing edge via air channels to the leading edge and through outlets to flow over the suction side of the vane surface.
    Type: Grant
    Filed: October 30, 1975
    Date of Patent: May 3, 1977
    Assignee: Brown Boveri Sulzer Turbomachinery, Ltd.
    Inventor: Clifford John Franklin
  • 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