Patents by Inventor Roger Neil Antony FRANCIS

Roger Neil Antony FRANCIS 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).

  • Fuel nozzle with sleeves for thermal protection
    Patent number: 10982856
    Abstract: A fuel nozzle for injecting fuel and air into a combustor of a gas turbine engine, the fuel nozzle comprising: an outer component having an outward surface adapted for exposure to a flow of hot gas within the combustor, and an inward surface; an inner component concentrically disposed within the inward surface of outer component along a nozzle axis, the inner component defining an axially extending air flow channel; an air passage bore extending through the outward surface of the outer component and communicating with the air flow channel; and a thermal insulating sleeve disposed within the air passage bore, the sleeve having a sleeve body spaced apart from the outer component by an air gap.
    Type: Grant
    Filed: February 1, 2019
    Date of Patent: April 20, 2021
    Assignee: PRATT & WHITNEY CANADA CORP.
    Inventors: Saeid Oskooei, Gavin Rohiteswar Kisun, Nadia Cheri Swaby, Roger Neil Antony Francis
  • FUEL NOZZLE WITH SLEEVES FOR THERMAL PROTECTION
    Publication number: 20200248904
    Abstract: A fuel nozzle for injecting fuel and air into a combustor of a gas turbine engine, the fuel nozzle comprising: an outer component having an outward surface adapted for exposure to a flow of hot gas within the combustor, and an inward surface; an inner component concentrically disposed within the inward surface of outer component along a nozzle axis, the inner component defining an axially extending air flow channel; an air passage bore extending through the outward surface of the outer component and communicating with the air flow channel; and a thermal insulating sleeve disposed within the air passage bore, the sleeve having a sleeve body spaced apart from the outer component by an air gap.
    Type: Application
    Filed: February 1, 2019
    Publication date: August 6, 2020
    Inventors: Saeid OSKOOEI, Gavin Rohiteswar KISUN, Nadia Cheri SWABY, Roger Neil Antony FRANCIS