Patents by Inventor Karl Johan Nordstrom

Karl Johan Nordstrom 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).

  • Gas turbine with link attachment of a sealing ring in a guide vane ring
    Patent number: 4863342
    Abstract: A gas turbine with at least one fixed guide vane ring (1) with a sealing ring (3) cooperating with a sealing member on the turbine rotor (7). The sealing ring (3) is connected to the guide vane ring (1) through a number of links (19) which are suitably oriented in a substantially tangential direction. The attachment of the sealing ring (3) by means of the links (19) means a perfect centering of the sealing ring (3) relative to the rotor (7) when the guide vane ring (1) expands relative to the sealing ring (3).
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: September 5, 1989
    Assignee: ABB Stal AB
    Inventors: Karl-Johan Nordstrom, Ragnar Torstenfelt
  • Multi-stage turbine with interstage spacer-manifold for coolant flow
    Patent number: 4079587
    Abstract: A multi-stage turbine is provided with spacing pieces between stages which include inwardly extending stays for supporting end-bearings of the adjacent turbine stages. The stays are hollow and surround conduits for cooling air for the turbines and the stays.
    Type: Grant
    Filed: December 9, 1976
    Date of Patent: March 21, 1978
    Assignee: Stal-Laval Turbin AB
    Inventors: Karl Johan Nordstrom, Christer Olson