Patents by Inventor Yukihito KOIZUMI

Yukihito KOIZUMI 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: 11725821
    Abstract: A fuel nozzle device (100) for injecting liquid fuel into a combustion chamber (52) of a gas turbine engine (10) includes an outer tube (101), a rear end wall (102) closing a base end of the outer tube, a tapered conical tube (104) defining a first air passage (112) therein, and a second air passage (114) having an annular cross section jointly with the outer tube, a fuel passage (108) axially passed through the rear end wall, and leading to a fuel ejection port (109) directed toward an inner circumferential surface of a base end of the conical tube, a first air introduction passage (111) passed through the outer tube to communicate with the first air passage, and a second air introduction passage (113) passed through the outer tube to communicate with the second air passage.
    Type: Grant
    Filed: March 11, 2022
    Date of Patent: August 15, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yasuharu Kamoi, Shinichi Kobayashi, Hideaki Nakano, Yukihito Koizumi, Shigeru Hayashi
  • Publication number: 20220341595
    Abstract: A fuel nozzle device (100) for injecting liquid fuel into a combustion chamber (52) of a gas turbine engine (10) includes an outer tube (101), a rear end wall (102) closing a base end of the outer tube, a tapered conical tube (104) defining a first air passage (112) therein, and a second air passage (114) having an annular cross section jointly with the outer tube, a fuel passage (108) axially passed through the rear end wall, and leading to a fuel ejection port (109) directed toward an inner circumferential surface of a base end of the conical tube, a first air introduction passage (111) passed through the outer tube to communicate with the first air passage, and a second air introduction passage (113) passed through the outer tube to communicate with the second air passage.
    Type: Application
    Filed: March 11, 2022
    Publication date: October 27, 2022
    Inventors: Yasuharu KAMOI, Shinichi KOBAYASHI, Hideaki NAKANO, Yukihito KOIZUMI, Shigeru HAYASHI