Patents by Inventor Richard Hartley Pugh

Richard Hartley Pugh 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).

  • Nozzle braze backside cooling
    Patent number: 6439837
    Abstract: A nozzle vane includes a row of trailing edge apertures and cooperating inboard slots joined in flow communication with a mid-chord cavity. An outboard slot is spaced outwardly from a respective last one of the inboard slots, and outboard of a respective last one of the trailing edge apertures. The outboard slot extends behind a braze joint between the vane and a supporting band and is effective for backside cooling thereof.
    Type: Grant
    Filed: June 27, 2000
    Date of Patent: August 27, 2002
    Assignee: General Electric Company
    Inventors: John Peter Heyward, Robert Ingram Ackerman, Richard Hartley Pugh, Steven Curtiss Warfield, Kenneth Morand Lieland
  • Brazeless fillet turbine nozzle
    Patent number: 6354797
    Abstract: A turbine nozzle includes a plurality of airfoils and integral hubs brazed into corresponding seats of outer and inner bands. The hubs have brazeless fillets blending the bands to the airfoils.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: March 12, 2002
    Assignee: General Electric Company
    Inventors: John Peter Heyward, Gregory Alan White, Richard Hartley Pugh