Patents by Inventor Martin McCulley

Martin McCulley 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).

  • Liquid rocket engine assemblies and related methods
    Patent number: 11846256
    Abstract: A liquid rocket engine assembly comprising a thrust chamber, a nozzle, and a joint structure. The joint structure attaches the thrust chamber and the nozzle and comprises at least one seal element and an attachment ring interposed between the thrust chamber and the nozzle. Fasteners extend between the nozzle and the thrust chamber through the at least one seal element and the attachment ring. Materials of the thrust chamber and of the nozzle comprise different coefficients of thermal expansion. A method of forming a liquid rocket engine assembly is also disclosed.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: December 19, 2023
    Assignee: Northrop Grumman Systems Corporation
    Inventors: John K. Shigley, Russell J. George, Martin Neunzert, Martin McCulley, Marc Hernandez, Robert K. Roberts, Lauren F. Breitenbach, Klaron Cramer
  • LIQUID ROCKET ENGINE ASSEMBLIES AND RELATED METHODS
    Publication number: 20210262417
    Abstract: A liquid rocket engine assembly comprising a thrust chamber, a nozzle, and a joint structure. The joint structure attaches the thrust chamber and the nozzle and comprises at least one seal element and an attachment ring interposed between the thrust chamber and the nozzle. Fasteners extend between the nozzle and the thrust chamber through the at least one seal element and the attachment ring. Materials of the thrust chamber and of the nozzle comprise different coefficients of thermal expansion. A method of forming a liquid rocket engine assembly is also disclosed.
    Type: Application
    Filed: May 12, 2021
    Publication date: August 26, 2021
    Inventors: John K. Shigley, Russell J. George, Martin Neunzert, Martin McCulley, Marc Hernandez, Robert K. Roberts, Lauren F. Breitenbach, Klaron Cramer
  • Liquid rocket engine assemblies and related methods
    Patent number: 11028802
    Abstract: A liquid rocket engine assembly comprising a thrust chamber, a nozzle, and a joint structure. The joint structure attaches the thrust chamber and the nozzle and comprises at least one seal element and an attachment ring interposed between the thrust chamber and the nozzle. Fasteners extend between the nozzle and the thrust chamber through the at least one seal element and the attachment ring. Materials of the thrust chamber and of the nozzle comprise different coefficients of thermal expansion. A method of forming a liquid rocket engine assembly is also disclosed.
    Type: Grant
    Filed: November 14, 2016
    Date of Patent: June 8, 2021
    Assignee: Northrop Grumman Systems Corporation
    Inventors: John K. Shigley, Russell J. George, Martin Neunzert, Martin McCulley, Marc Hernandez, Robert K. Roberts, Lauren F. Breitenbach, Klaron Cramer
  • LIQUID ROCKET ENGINE ASSEMBLIES AND RELATED METHODS
    Publication number: 20180135562
    Abstract: A liquid rocket engine assembly comprising a thrust chamber, a nozzle, and a joint structure. The joint structure attaches the thrust chamber and the nozzle and comprises at least one seal element and an attachment ring interposed between the thrust chamber and the nozzle. Fasteners extend between the nozzle and the thrust chamber through the at least one seal element and the attachment ring. Materials of the thrust chamber and of the nozzle comprise different coefficients of thermal expansion. A method of forming a liquid rocket engine assembly is also disclosed.
    Type: Application
    Filed: November 14, 2016
    Publication date: May 17, 2018
    Inventors: John K. Shigley, Russell J. George, Martin Neunzert, Martin McCulley, Marc Hernandez, Robert K. Roberts, Lauren F. Breitenbach, Klaron Cramer