Patents by Inventor John Lee Cotton

John Lee Cotton 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).

  • Thermodynamic conversion system using gas and air turbines
    Patent number: 5927065
    Abstract: In a combined plant including a gas turbine (1) and an air bottoming gas turbine aggregate (2) which includes air compressors (8) and a turbine (9) coupled thereto, wherein the gas turbine outlet gas is in heat exchange with the compressed air from the compressor (8), the gas turbine (1, 6) and the air turbine (9) are provided with mutually rotary dependent torque shafts (10), so that the plant may be controlled by simply controlling the flow of fuel to the gas turbine.
    Type: Grant
    Filed: January 6, 1998
    Date of Patent: July 27, 1999
    Assignee: Kvaerner Energy A.S
    Inventor: John Lee Cotton
  • Arrangement for endwise clamping a first gas turbine rotor member to another member of a gas turbine rotor
    Patent number: 4039268
    Abstract: An improved resilient member is provided in a clamping connection between two members of a gas turbine rotor, said resilient member taking the form of a rim or outer ring provided with an annular row of inwardly protruding fingers. The resiliency is due partly to deflection of the fingers and partly to a twisting of the outer ring with the fingers.
    Type: Grant
    Filed: February 18, 1976
    Date of Patent: August 2, 1977
    Assignee: A/S Kongsberg Vapenfabrik
    Inventor: John Lee Cotton