Patents by Inventor Robert A. Grosselfinger

Robert A. Grosselfinger 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).

  • Demand control of variable geometry gas turbine power plant
    Patent number: 4813226
    Abstract: In a gas turbine power plant system having an engine of the variable geometry type, the variable geometry is controlled in response to an input demand speed signal rather than a signal representing actual engine speed. The geometry which may be varied may take many forms depending on engine design, including variable compressor guide vanes, variable turbine nozzle area or variable engine exhaust nozzle area.
    Type: Grant
    Filed: January 12, 1987
    Date of Patent: March 21, 1989
    Inventors: Robert A. Grosselfinger, Andrew N. Carras