Patents by Inventor Gregory S. Nesbitt

Gregory S. Nesbitt 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).

  • Purging of fluid spray apparatus
    Patent number: 5799872
    Abstract: The purging of residual fuel in gas turbine combustor fuel injectors is disclosed in which the fuel injector includes a fuel element having a first and second fuel passage for discharging the fuel to the combustor of the gas turbine. Upon interruption of the fuel to the fuel element, high pressure air is passed through an air passage to the first fuel passage to force the fuel in the reverse direction through the first fuel passage, through the second fuel passage, and discharge the residual fuel in each of the passages to the combustor through the second fuel passage.
    Type: Grant
    Filed: May 30, 1997
    Date of Patent: September 1, 1998
    Assignee: Delavan Inc
    Inventors: Gregory S. Nesbitt, Robert D. Shoemaker
  • Method and apparatus for purging of gas turbine injectors
    Patent number: 5701732
    Abstract: The purging of residual fuel. In gas turbine combustor fuel injectors is disclosed in which the fuel injector includes a fuel element having a first and second fuel passage for discharging the fuel to the combustor of the gas turbine. Upon interruption of the fuel to the fuel element, high pressure air is passed through an air passage to the first fuel passage to force the fuel in the reverse direction through the first fuel passage, through the second fuel passage, and discharge the residual fuel in each of the passages to the combustor through the second fuel passage.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: December 30, 1997
    Assignee: Delavan Inc.
    Inventors: Gregory S. Nesbitt, Robert D. Shoemaker