Patents by Inventor Jonathan David Pye

Jonathan David Pye 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).

  • Patent number: 9404423
    Abstract: A fuel staging system is described which comprises a staging valve 28 operable to divide a metered fuel supply between a pilot delivery line 18 and a mains delivery line 16, and a recirculation valve 54 connected to the mains delivery line 16 and operable to permit a recirculation fuel flow to be supplied to the mains delivery line 16 when the staging valve 28 occupies a position in which substantially no fuel is delivered to the mains delivery line 16 through the staging valve 28.
    Type: Grant
    Filed: December 21, 2011
    Date of Patent: August 2, 2016
    Assignee: ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED
    Inventors: Michael Griffiths, Jonathan David Pye
  • Patent number: 9121349
    Abstract: A fuel system comprises a supply unit operable to deliver a metered supply of fuel to a supply manifold, a staging valve operable to control the supply of fuel from the supply manifold to a pilot outlet and a main outlet, and control means operable to control the operation of the staging valve to control whether fuel is delivered through the pilot and/or main outlet thereof.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: September 1, 2015
    Assignee: ROLLS-ROYCE CONTROLS AND DATA SERVICES LIMITED
    Inventors: Michael Griffiths, Jonathan David Pye
  • Publication number: 20120227842
    Abstract: A fuel system comprises a supply unit operable to deliver a metered supply of fuel to a supply manifold, a staging valve operable to control the supply of fuel from the supply manifold to a pilot outlet and a main outlet, and control means operable to control the operation of the staging valve to control whether fuel is delivered through the pilot and/or main outlet thereof.
    Type: Application
    Filed: March 8, 2012
    Publication date: September 13, 2012
    Applicant: Rolls-Royce Goodrich Engine Control Systems Ltd.
    Inventors: Michael Griffiths, Jonathan David Pye
  • Publication number: 20120159953
    Abstract: A fuel staging system is described which comprises a staging valve 28 operable to divide a metered fuel supply between a pilot delivery line 18 and a mains delivery line 16, and a recirculation valve 54 connected to the mains delivery line 16 and operable to permit a recirculation fuel flow to be supplied to the mains delivery line 16 when the staging valve 28 occupies a position in which substantially no fuel is delivered to the mains delivery line 16 through the staging valve 28.
    Type: Application
    Filed: December 21, 2011
    Publication date: June 28, 2012
    Applicant: Rolls-Royce Goodrich Engine Control Systems Ltd.
    Inventors: Michael Griffiths, Jonathan David Pye