Patents Assigned to Cannon Energy Corporation
  • Wind turbine generator blade and retention system
    Patent number: 5173023
    Abstract: A propeller blade cuff having a root end and a first annular flange at the root end, and a wind turbine generator hub having a second annular flange to be attached to the first flange comprising a clamp ring having multiple sections, the sections having flange-receiving and clamping grooves, each extending part way about the annular flanges; and fastener structure interconnecting the ring sections to exert adjustable tension for adjustably retaining the flanges in the grooves.
    Type: Grant
    Filed: August 12, 1991
    Date of Patent: December 22, 1992
    Assignee: Cannon Energy Corporation
    Inventors: Joseph W. Pawlowski, J. Ford Johnston