Patents by Inventor Fred Staub

Fred Staub 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).

  • Closed circuit steam cooled bucket
    Patent number: 5536143
    Abstract: In a gas turbine bucket having a shank portion, a radial tip portion and an airfoil having leading and trailing edges and pressure and suction surfaces, and an internal fluid cooling circuit, an improvement wherein the internal fluid cooling circuit has a serpentine configuration including plural radial outflow passages and plural radial inflow passages. The radial outflow passages, in one example, are shaped to have aspect ratios of about 3.3 to 1 and Buoyancy Numbers of <0.15 or >0.80.
    Type: Grant
    Filed: March 31, 1995
    Date of Patent: July 16, 1996
    Assignee: General Electric Co.
    Inventors: Ariel Jacala, Richard M. Davis, Michael A. Sullivan, R. Paul Chiu, Fred Staub