Patents by Inventor Kei Inoue

Kei Inoue 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).

  • Publication number: 20230332771
    Abstract: A gas turbine combustor according to at least one embodiment is a gas turbine combustor that includes: a tubular member; a plurality of premixing tubes circumferentially arranged on an inner side of the tubular member, each of the plurality of premixing tubes forming an outlet portion of a premixing passage; and a base plate for supporting the plurality of premixing tubes. The base plate has: a plurality of through holes disposed corresponding to the plurality of premixing tubes, respectively, and allowing the premixing passage to pass through the base plate; and a plurality of oblique holes extending obliquely with respect to an axial direction of the gas turbine combustor in a region different from a region where the through holes are disposed.
    Type: Application
    Filed: October 5, 2021
    Publication date: October 19, 2023
    Inventors: Shinji AKAMATSU, Naoki ABE, Satoshi TAKIGUCHI, Kei INOUE
  • Patent number: 11428409
    Abstract: A combustor includes: a fuel nozzle for injecting fuel; a combustion liner surrounding a combustion space for combusting the fuel and having an internal passage having an outlet communicating with the combustion space; and an air-fuel mixture line, connected to an inlet of the internal passage of the combustion liner, for introducing an air-fuel mixture containing the fuel and compressed air to the internal passage. The combustion liner is configured to be cooled by the air-fuel mixture flowing through the internal passage.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: August 30, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kei Inoue, Keijiro Saito, Yuichi Ichikawa
  • Patent number: 11402098
    Abstract: A gas turbine combustor is equipped with a nozzle in which an air ejection passage extending along an axis and having an open distal end, and a fuel supply passage extending along the axis and having an open distal end are formed; swirling vanes provided around the nozzle so as to be twisted around the axis of the nozzle; an inner cylinder surrounding an outer periphery of the nozzle and the swirling vanes, and in which compressed air flows through an inside of the inner cylinder toward a downstream side; an outer cylinder which defines an inversion flow path, which inverts the compressed air on an outer periphery of the inner cylinder and introduces the compressed air to the inside of the inner cylinder, between the inner and outer cylinders; and an air introduction pipe having one end connected to a space on an upstream side of the compressed air from the inversion flow path, and the other end connected to the air ejection passage.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: August 2, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kei Inoue, Kenji Miyamoto, Kenta Taniguchi, Satoshi Tanimura
  • Patent number: 11359552
    Abstract: A control device is a control device for a gas turbine including a plurality of combustors and is configured to select combustors to ignite in accordance with a target load on the basis of a predictor which defines a relationship between a load and the number and arrangement of combustors to ignite and a combustion temperature.
    Type: Grant
    Filed: February 11, 2020
    Date of Patent: June 14, 2022
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Keita Yunoki, Kei Inoue, Takashi Hiyama, Eisaku Ito
  • Publication number: 20220171305
    Abstract: External additive particles including a polymer containing a sulfur atom and a nitrogen atom, wherein the polymer includes a vinyl polymer moiety and a siloxane moiety, relative to a total number of carbon atoms, oxygen atoms, and silicon atoms constituting the external additive particles, a ratio of a number of the silicon atoms constituting the external additive particles is 4.0% or more and 25.0% or less, and in surfaces of the external additive particles analyzed by X-ray photoelectron spectroscopy, relative to a total number of carbon atoms, nitrogen atoms, oxygen atoms, silicon atoms, and sulfur atoms, a ratio of a number of the nitrogen atoms is 0.40% or more and 2.50% or less, and a ratio of a number of the sulfur atoms is 0.05% or more and 0.25% or less.
    Type: Application
    Filed: November 24, 2021
    Publication date: June 2, 2022
    Inventors: Jun Shirakawa, Akio Maruyama, Kei Inoue, Waka Hasegawa, Yukio Nagase
  • Patent number: 11274830
    Abstract: A combustor nozzle includes a nozzle main body extending along an axis. The nozzle main body includes a first fuel passage which extends along the axis and through which first fuel is configured to flow, a first fuel ejection passage which extends to an outer circumferential surface of the nozzle main body toward a distal end side thereof from the first fuel passage and is configured to eject the first fuel from the outer circumferential surface, an air flow passage which extends in an axial direction on a radial outer side of the first fuel passage with respect to the axis and through which purge air is configured to flow, and an air ejection passage which extends from the air flow passage toward a center of a distal end of the nozzle main body and is configured eject the purge air from the center of the distal end.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: March 15, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kenji Miyamoto, Kenta Taniguchi, Kei Inoue, Shohei Domen, Yuichi Ichikawa, Satoshi Tanimura
  • Patent number: 11242993
    Abstract: A combustor provided with: a nozzle having formed therein an air jet section that causes air to be jetted from a nozzle section; a cylindrical part covering the nozzle from the outer peripheral side thereof and forming an air flow path between the cylindrical part and the nozzle; and a pressure loss section provided to the air flow path. The pressure loss section causes a loss of pressure in the air that flows through the air flow path. The nozzle is provided with: at least one air inlet section that takes in air from an outer peripheral surface that is an upstream side from the pressure loss section; and a flow path-forming section forming a discharge air flow path that guides air that is taken in from the at least one air inlet section to the air jet section.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: February 8, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kei Inoue, Satoshi Takiguchi, Shinji Akamatsu, Kenta Taniguchi, Naoki Abe
  • Publication number: 20220034510
    Abstract: A combustor includes: a fuel nozzle for injecting fuel; a combustion liner surrounding a combustion space for combusting the fuel and having an internal passage having an outlet communicating with the combustion space; and an air-fuel mixture line, connected to an inlet of the internal passage of the combustion liner, for introducing an air-fuel mixture containing the fuel and compressed air to the internal passage. The combustion liner is configured to be cooled by the air-fuel mixture flowing through the internal passage.
    Type: Application
    Filed: September 26, 2019
    Publication date: February 3, 2022
    Inventors: Kei INOUE, Keijiro SAITO, Yuichi ICHIKAWA
  • Patent number: 11079113
    Abstract: A fuel injector including a fuel supply tube (8), a plurality of premix tubes (2), a support plate (3) which supports the fuel supply tube and the plurality of premix tubes, a substrate which supports downstream end portions of the plurality of premix tubes, an outer wall which is cylindrical, which forms a plenum (P) inside, a partition plate which partitions the plenum (P) into a fuel plenum (PF) and a cooling air plenum (PA), a baffle which partitions the cooling air plenum (PA) into an upstream cooling air plenum (PA1) and a downstream cooling air plenum (PA2) and has a plurality of cooling holes formed therein, and a cooling air supply tube configured to supply cooling air to the upstream cooling air plenum (PA1), in which the end portion on the downstream side of the fuel supply tube opens in the fuel plenum (PF), and a fuel introduction hole.
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: August 3, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Katsuyoshi Tada, Kei Inoue, Satoshi Tanimura, Keijiro Saito
  • Publication number: 20210102703
    Abstract: A fuel injector including a fuel supply tube (8), a plurality of premix tubes (2), a support plate (3) which supports the fuel supply tube and the plurality of premix tubes, a substrate which supports downstream end portions of the plurality of premix tubes, an outer wall which is cylindrical, which forms a plenum (P) inside, a partition plate which partitions the plenum (P) into a fuel plenum (PF) and a cooling air plenum (PA), a baffle which partitions the cooling air plenum (PA) into an upstream cooling air plenum (PA1) and a downstream cooling air plenum (PA2) and has a plurality of cooling holes formed therein, and a cooling air supply tube configured to supply cooling air to the upstream cooling air plenum (PA1), in which the end portion on the downstream side of the fuel supply tube opens in the fuel plenum (PF), and a fuel introduction hole.
    Type: Application
    Filed: April 27, 2018
    Publication date: April 8, 2021
    Inventors: Katsuyoshi TADA, Kei INOUE, Satoshi TANIMURA, Keijiro SAITO
  • Publication number: 20200392908
    Abstract: A control device is a control device for a gas turbine including a plurality of combustors and is configured to select combustors to ignite in accordance with a target load on the basis of a predictor which defines a relationship between a load and the number and arrangement of combustors to ignite and a combustion temperature.
    Type: Application
    Filed: February 11, 2020
    Publication date: December 17, 2020
    Inventors: Keita Yunoki, Kei Inoue, Takashi Hiyama, Eisaku Ito
  • Publication number: 20200340674
    Abstract: A gas turbine combustor is equipped with a nozzle in which an air ejection passage extending along an axis and having an open distal end, and a fuel supply passage extending along the axis and having an open distal end are formed; swirling vanes provided around the nozzle so as to be twisted around the axis of the nozzle; an inner cylinder surrounding an outer periphery of the nozzle and the swirling vanes, and in which compressed air flows through an inside of the inner cylinder toward a downstream side; an outer cylinder which defines an inversion flow path, which inverts the compressed air on an outer periphery of the inner cylinder and introduces the compressed air to the inside of the inner cylinder, between the inner and outer cylinders; and an air introduction pipe having one end connected to a space on an upstream side of the compressed air from the inversion flow path, and the other end connected to the air ejection passage.
    Type: Application
    Filed: October 23, 2018
    Publication date: October 29, 2020
    Inventors: Kei INOUE, Kenji MIYAMOTO, Kenta TANIGUCHI, Satoshi TANIMURA
  • Publication number: 20200300181
    Abstract: A gas turbine provided with: a first nozzle including a first-nozzle radially inner fuel injection hole from which to inject a first-nozzle fuel and a first-nozzle radially outer fuel injection hole which is formed on a radially outer side of the first nozzle relative to the first-nozzle radially inner fuel injection hole and upstream of the first-nozzle radially inner fuel injection hole with respect to the flow of air inside a combustor and from which to inject the first-nozzle fuel, and in a case where the first-nozzle fuel is made of a moderate calorie fuel, the first-nozzle fuel is constantly injected from the first-nozzle radially inner fuel injection hole while the gas turbine is driven, and the first-nozzle fuel is constantly injected from the first-nozzle radially outer fuel injection hole while the gas turbine is driven at a rated rotation speed.
    Type: Application
    Filed: March 24, 2017
    Publication date: September 24, 2020
    Inventors: Kenji MIYAMOTO, Kotaro MIYAUCHI, Kei INOUE, Tomo KAWAKAMI
  • Publication number: 20200033006
    Abstract: A combustor nozzle includes a nozzle main body extending along an axis. The nozzle main body includes a first fuel passage which is formed along the axis and through which first fuel flows, a first fuel ejection passage which extends to an outer circumferential surface of the nozzle main body toward a distal end side thereof from the first fuel passage and ejects the first fuel from the outer circumferential surface, an air flow passage which extends in an axial direction on a radial outer side of the first fuel passage with respect to the axis and through which purge air flows, and an air ejection passage which extends from the air flow passage toward a center of a distal end of the nozzle main body and ejects the purge air from the center of the distal end.
    Type: Application
    Filed: March 12, 2018
    Publication date: January 30, 2020
    Inventors: Kenji MIYAMOTO, Kenta TANIGUCHI, Kei INOUE, Shohei DOMEN, Yuichi ICHIKAWA, Satoshi TANIMURA
  • Patent number: 10415830
    Abstract: A combustion burner includes a nozzle, a swirl vane having a fuel injection hole, the swirl vane being disposed in an air flow passage of an annular shape extending along an axial direction of the nozzle around the nozzle, and a partition plate having an annular shape and partitioning at least a region of the air flow passage in a radial direction of the nozzle, so as to divide at least the region into an inner flow passage facing an outer peripheral surface of the nozzle and an outer flow passage disposed on an outer side of the inner flow passage with respect to the radial direction. The fuel injection hole is disposed in the outer flow passage of the air flow passage. An end portion on an upstream side of the partition plate is disposed upstream of the fuel injection hole in the axial direction.
    Type: Grant
    Filed: August 18, 2015
    Date of Patent: September 17, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Kei Inoue, Shinji Akamatsu, Naoki Abe, Kenta Taniguchi, Keijiro Saito, Katsuyoshi Tada
  • Patent number: 10293732
    Abstract: A container holder (10, 90) includes a main body (20) formed with a recess (21) having an open top defined therein for receiving a container, a swing member (40) rotatably supported by the main body so as to be swung into and out of the recess, a roller (50) supported by the swing member so as to be rotated around a prescribed rotational center line (B) by a container engaging the roller as the container is pushed into and pulled out of the recess, and a biasing member (60) urging the swing member into projecting into the recess, wherein the swing member is provided with an inclined surface (47) extending from a part thereof located outward of an outer periphery (53) of the roller, above the roller and outward of the recess to a part thereof located directly above or inward of the rotational center line of the roller.
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: May 21, 2019
    Assignee: Honda Motor Co., Ltd.
    Inventors: Kei Inoue, Kozo Kobayashi, Koji Kondo
  • Publication number: 20190093570
    Abstract: A combustion device includes: a nozzle casing defining an axial flow passage; and a nozzle disposed in the axial flow passage. The nozzle includes: a nozzle body having a tubular shape extending along the axial flow passage; a swirler vane protruding radially outward from the nozzle body in a radial direction of the nozzle body; at least one first injection hole having an opening on a surface of the nozzle body or the swirler vane; at least one second injection hole having an opening on the surface of the nozzle body or the swirler vane; a first fuel flow passage extending through the nozzle body and being in communication with the at least one first injection hole; and a second fuel flow passage extending through the nozzle body separately from the first fuel flow passage, and being in communication with the at least one second injection hole.
    Type: Application
    Filed: February 24, 2017
    Publication date: March 28, 2019
    Inventors: Kenji MIYAMOTO, Kei INOUE, Shin KATO, Tomo KAWAKAMI
  • Patent number: 10240791
    Abstract: A combustion burner includes a nozzle and a swirl vane disposed in an axial flow path extending along an axial direction of the nozzle. The swirl vane includes a tip portion for swirling gas, the gas flowing through a radially-outer region of the axial flow path, and a root portion disposed on an inner side in a radial direction of the nozzle, the root portion having a cutout on a side of a trailing edge. The radially-outer region and a radially-inner region of the axial flow path communicate with each other, at least in a range in the axial direction in which the swirl vane is disposed. The swirl vane has a pressure surface, a downstream region of the pressure surface of the root portion being defined by the cutout as a curved surface which curves in a direction opposite to the swirl direction toward the trailing edge.
    Type: Grant
    Filed: January 23, 2015
    Date of Patent: March 26, 2019
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Naonori Nagai, Katsuyoshi Tada, Kei Inoue, Keijiro Saito
  • Patent number: 10197280
    Abstract: A fuel spray nozzle provided with: a liquid fuel channel (15), which is a channel for liquid fuel; a liquid fuel injection hole (19), which is a hole for communicating the liquid fuel channel (15) and the inside of a combustion burner, and injecting the liquid fuel into the combustion burner; an additive channel (14), which is a channel for an additive; and an additive injection hole (18a), which is a hole for communicating the additive channel (14) and the inside of the combustion burner, and injecting the additive into the combustion burner at an angle at which the additive collides with the liquid fuel injected from the liquid fuel injection hole (19).
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: February 5, 2019
    Assignee: MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    Inventors: Shuhei Kajimura, Keijiro Saito, Kei Inoue, Kotaro Miyauchi
  • Patent number: 10139745
    Abstract: A toner according to the present disclosure maintains high transfer efficiency for the long term and obtains images which are not affected by toner base particles easily, which exhibit excellent charge stability, and which exhibit less fogging, wherein the toner is obtained by making inorganic fine particles and charge control particles, which satisfy specific conditions, present on the surfaces of toner base particles so as to satisfy a specific coverage relationship.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: November 27, 2018
    Assignee: Canon Kabushiki Kaisha
    Inventors: Atsushi Nakamoto, Makoto Fukatsu, Manami Haraguchi, Masayoshi Kato, Kei Inoue, Kazuyuki Sato