Patents Assigned to Techniair, Inc.
  • Turbine air seal repair process
    Patent number: 4924581
    Abstract: A repair process for repairing damaged turbine air seals comprises completely removing the damaged air seals and forming a mechanical seat in the seal base. A replacement ring of the desired seal alloy is positioned in the seat and bonded to the base by a brazing process. The replacement ring is then machined to form reconstructed knife edge seals.
    Type: Grant
    Filed: November 22, 1988
    Date of Patent: May 15, 1990
    Assignee: Techniair, Inc.
    Inventor: Karl S. Jakobsen