Patents Assigned to Societe General de Constructions Electriques et Macaniques Alsthom
  • Compound turbine rotor and method for manufacturing elements constituting such a rotor
    Patent number: 4060883
    Abstract: The invention concerns welded turbine rotors. It is characterized in that, n the elements constituting a welded rotor which consist of a blade bearing block having at least one axial protuberance, that axial protuberance is made of steel having a lower carbon and nickel content than the remainder of the element and is joined thereto by a transition zone also made of steel. The invention applies more particularly to high-power steam turbines.
    Type: Grant
    Filed: April 14, 1976
    Date of Patent: December 6, 1977
    Assignee: Societe General de Constructions Electriques et Macaniques Alsthom
    Inventors: Andre Coulon, Rene Perrin