Patents by Inventor Soichiro Kato

Soichiro Kato 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: 11300047
    Abstract: A combustion device includes an ammonia supply unit supplying primary reduction ammonia as a nitrogen oxide reducing agent into a combustor and mixing secondary reduction ammonia with combustion exhaust gas discharged from the combustor to reduce nitrogen oxide contained in the combustion exhaust gas and a controller configured to control at least one of the amount of supply of the primary reduction ammonia and the amount of mixing of the secondary reduction ammonia with the combustion exhaust gas in accordance with concentrations of residual nitrogen oxide and residual ammonia contained in the combustion exhaust gas after being discharged from the combustor.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: April 12, 2022
    Assignee: IHI Corporation
    Inventors: Shintaro Ito, Soichiro Kato, Masahiro Uchida, Shogo Onishi, Taku Mizutani, Tsukasa Saitou, Toshiro Fujimori
  • Patent number: 11231176
    Abstract: A combustion device burns fuel ammonia with combustion air in a combustion chamber, and includes: a combustor liner which forms the combustion chamber; a burner which is installed at one end of the combustor liner; a deflection member which is provided on a downstream side of the combustor liner in a flow direction of a combustion gas, and is configured to deflect the flow direction of the combustion gas; and at least one ammonia injection hole which is provided between the burner and an outlet of the deflection member and is configured to supply the fuel ammonia into the combustion chamber.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: January 25, 2022
    Assignee: IHI CORPORATION
    Inventors: Shintaro Ito, Soichiro Kato, Masahiro Uchida, Shogo Onishi, Taku Mizutani, Tsukasa Saitou, Toshiro Fujimori
  • Patent number: 11162391
    Abstract: The heat cycle facility includes: a first vaporizer that vaporizes a first liquid heating medium by combusting fuel; a first motive power generator that generates motive power by using as a drive fluid a first gas heating medium obtained at the first vaporizer; a condenser that condenses the first gas heating medium discharged from the first motive power generator by heat-exchanging the first gas heating medium for a second liquid heating medium; a circulator that pressurizes the first liquid heating medium obtained at the condenser and supplies the pressurized first liquid heating medium to the first vaporizer; a second vaporizer that produces gaseous ammonia by heat-exchanging the second liquid heating medium for liquid ammonia; and a supplier that supplies the liquid ammonia to the second vaporizer.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: November 2, 2021
    Assignee: IHI CORPORATION
    Inventors: Shogo Onishi, Shintaro Ito, Soichiro Kato, Taku Mizutani, Masahiro Uchida, Tsukasa Saitou, Toshiro Fujimori, Kazuo Miyoshi
  • Patent number: 11156157
    Abstract: The combustion device includes: a compressor that compresses combustion air; a combustor that combusts the compressed combustion air and fuel ammonia; and an ammonia injector that injects the fuel ammonia into the combustion air during or before compression of the combustion air by the compressor and cools the combustion air.
    Type: Grant
    Filed: September 24, 2019
    Date of Patent: October 26, 2021
    Assignee: IHI CORPORATION
    Inventors: Shintaro Ito, Soichiro Kato, Masahiro Uchida, Shogo Onishi, Taku Mizutani, Tsukasa Saitou, Toshiro Fujimori
  • Patent number: 11156158
    Abstract: A combustion device burns fuel ammonia in a combustion chamber using compressed combustion air, and includes a combustion air cooling unit which is configured to cool the combustion air by heat exchange with the fuel ammonia during or before a compression process.
    Type: Grant
    Filed: August 8, 2019
    Date of Patent: October 26, 2021
    Assignee: IHI CORPORATION
    Inventors: Shintaro Ito, Soichiro Kato, Masahiro Uchida, Shogo Onishi, Taku Mizutani, Tsukasa Saitou, Toshiro Fujimori
  • Patent number: 11141695
    Abstract: A gas turbine denitrifies combustion gas by using a denitrification catalyst and ammonia as a reducing agent, the gas turbine includes: a turbine provided with turbine blades, the turbine blades being exposed to the combustion gas reaching a temperature higher than an average value in a temperature distribution of the combustion gas, and a compressor configured to supply the turbine blades with a cooling air and the ammonia, wherein the gas turbine is configured to lower the temperature of the turbine blades by supplying the turbine blades with the ammonia and the cooling air.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: October 12, 2021
    Assignee: IHI CORPORATION
    Inventors: Shintaro Ito, Soichiro Kato, Masahiro Uchida, Shogo Onishi, Taku Mizutani, Tsukasa Saitou, Toshiro Fujimori
  • Patent number: 11053845
    Abstract: A combustion device burns fuel ammonia in a combustor using combustion air, and includes a catalyst reduction unit which is configured to reduce nitrogen oxides in a combustion exhaust gas supplied from the combustor, in which at least a part of the fuel ammonia is supplied to the catalyst reduction unit as a reducing agent for the nitrogen oxides in the combustion exhaust gas.
    Type: Grant
    Filed: August 7, 2019
    Date of Patent: July 6, 2021
    Assignee: IHI CORPORATION
    Inventors: Shintaro Ito, Soichiro Kato, Masahiro Uchida, Shogo Onishi, Taku Mizutani, Tsukasa Saitou, Toshiro Fujimori
  • Patent number: 10995662
    Abstract: The combustion device includes: a combustion chamber in which fuel is combusted using combustion air; and a reducing agent injector that injects a reducing agent toward flames in the combustion chamber.
    Type: Grant
    Filed: July 29, 2019
    Date of Patent: May 4, 2021
    Assignee: IHI CORPORATION
    Inventors: Shintaro Ito, Soichiro Kato, Masahiro Uchida, Shogo Onishi, Taku Mizutani, Tsukasa Saitou, Toshiro Fujimori
  • Publication number: 20200032712
    Abstract: The combustion device includes: a compressor that compresses combustion air; a combustor that combusts the compressed combustion air and fuel ammonia; and an ammonia injector that injects the fuel ammonia into the combustion air during or before compression of the combustion air by the compressor and cools the combustion air.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 30, 2020
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Soichiro KATO, Masahiro UCHIDA, Shogo ONISHI, Taku MIZUTANI, Tsukasa SAITOU, Toshiro FUJIMORI
  • Publication number: 20200023315
    Abstract: A gas turbine denitrifies combustion gas by using a denitrification catalyst and ammonia as a reducing agent, the gas turbine includes: a turbine provided with turbine blades, the turbine blades being exposed to the combustion gas reaching a temperature higher than an average value in a temperature distribution of the combustion gas, and a compressor configured to supply the turbine blades with a cooling air and the ammonia, wherein the gas turbine is configured to lower the temperature of the turbine blades by supplying the turbine blades with the ammonia and the cooling air.
    Type: Application
    Filed: September 18, 2019
    Publication date: January 23, 2020
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Soichiro KATO, Masahiro UCHIDA, Shogo ONISHI, Taku MIZUTANI, Tsukasa SAITOU, Toshiro FUJIMORI
  • Publication number: 20200018482
    Abstract: The combustion device includes a combustor that combusts fuel ammonia and combustion air in a combustion chamber, wherein the combustor includes a cooling ammonia supplier that mixes the fuel ammonia into the combustion air and that supplies the fuel ammonia into the combustor.
    Type: Application
    Filed: September 24, 2019
    Publication date: January 16, 2020
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Soichiro KATO, Masahiro UCHIDA, Shogo ONISHI, Taku MIZUTANI, Tsukasa SAITOU, Toshiro FUJIMORI
  • Publication number: 20200018231
    Abstract: A combustion device includes an ammonia supply unit supplying primary reduction ammonia as a nitrogen oxide reducing agent into a combustor and mixing secondary reduction ammonia with combustion exhaust gas discharged from the combustor to reduce nitrogen oxide contained in the combustion exhaust gas and a controller configured to control at least one of the amount of supply of the primary reduction ammonia and the amount of mixing of the secondary reduction ammonia with the combustion exhaust gas in accordance with concentrations of residual nitrogen oxide and residual ammonia contained in the combustion exhaust gas after being discharged from the combustor.
    Type: Application
    Filed: September 25, 2019
    Publication date: January 16, 2020
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Soichiro KATO, Masahiro UCHIDA, Shogo ONISHI, Taku MIZUTANI, Tsukasa SAITOU, Toshiro FUJIMORI
  • Publication number: 20200003420
    Abstract: A combustion device burns fuel ammonia with combustion air in a combustion chamber, and includes: a combustor liner which forms the combustion chamber; a burner which is installed at one end of the combustor liner; a deflection member which is provided on a downstream side of the combustor liner in a flow direction of a combustion gas, and is configured to deflect the flow direction of the combustion gas; and at least one ammonia injection hole which is provided between the burner and an outlet of the deflection member and is configured to supply the fuel ammonia into the combustion chamber.
    Type: Application
    Filed: August 7, 2019
    Publication date: January 2, 2020
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Soichiro KATO, Masahiro UCHIDA, Shogo ONISHI, Taku MIZUTANI, Tsukasa SAITOU, Toshiro FUJIMORI
  • Patent number: 10520456
    Abstract: Provided is a combustion experiment device, which includes a reaction tube into which a sample fluid flows and to which a temperature gradient in which a temperature rises toward a downstream side is imparted, and a burner part that is configured to flow a combustible gas along and around the reaction tube from the downstream side to an upstream side of the reaction tube and to maintain a flame surrounding the reaction tube from the outside in a radial direction of the reaction tube.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: December 31, 2019
    Assignees: TOHOKU UNIVERSITY, IHI CORPORATION
    Inventors: Takuya Tezuka, Hisashi Nakamura, Kaoru Maruta, Soichiro Kato, Shintaro Ito
  • Publication number: 20190360396
    Abstract: A combustion device burns fuel ammonia in a combustor using combustion air, and includes a catalyst reduction unit which is configured to reduce nitrogen oxides in a combustion exhaust gas supplied from the combustor, in which at least a part of the fuel ammonia is supplied to the catalyst reduction unit as a reducing agent for the nitrogen oxides in the combustion exhaust gas.
    Type: Application
    Filed: August 7, 2019
    Publication date: November 28, 2019
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Soichiro KATO, Masahiro UCHIDA, Shogo ONISHI, Taku MIZUTANI, Tsukasa SAITOU, Toshiro FUJIMORI
  • Publication number: 20190360397
    Abstract: A combustion device burns fuel ammonia in a combustion chamber using compressed combustion air, and includes a combustion air cooling unit which is configured to cool the combustion air by heat exchange with the fuel ammonia during or before a compression process.
    Type: Application
    Filed: August 8, 2019
    Publication date: November 28, 2019
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Soichiro KATO, Masahiro UCHIDA, Shogo ONISHI, Taku MIZUTANI, Tsukasa SAITOU, Toshiro FUJIMORI
  • Publication number: 20190345873
    Abstract: The combustion device includes: a combustion chamber in which fuel is combusted using combustion air; and a reducing agent injector that injects a reducing agent toward flames in the combustion chamber.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 14, 2019
    Applicant: IHI Corporation
    Inventors: Shintaro ITO, Soichiro KATO, Masahiro UCHIDA, Shogo ONISHI, Taku MIZUTANI, Tsukasa SAITOU, Toshiro FUJIMORI
  • Publication number: 20190345847
    Abstract: The heat cycle facility includes: a first vaporizer that vaporizes a first liquid heating medium by combusting fuel; a first motive power generator that generates motive power by using as a drive fluid a first gas heating medium obtained at the first vaporizer; a condenser that condenses the first gas heating medium discharged from the first motive power generator by heat-exchanging the first gas heating medium for a second liquid heating medium; a circulator that pressurizes the first liquid heating medium obtained at the condenser and supplies the pressurized first liquid heating medium to the first vaporizer; a second vaporizer that produces gaseous ammonia by heat-exchanging the second liquid heating medium for liquid ammonia; and a supplier that supplies the liquid ammonia to the second vaporizer.
    Type: Application
    Filed: July 29, 2019
    Publication date: November 14, 2019
    Applicant: IHI Corporation
    Inventors: Shogo ONISHI, Shintaro ITO, Soichiro KATO, Taku MIZUTANI, Masahiro UCHIDA, Tsukasa SAITOU, Toshiro FUJIMORI, Kazuo MIYOSHI
  • Patent number: 9625147
    Abstract: A combustion heater includes an inner tube having a supply passage for combustion gas in an inner portion, and an outer tube disposed to provide a separated combustion space in an outer periphery of the inner tube. A hole part for ejecting the combustion gas is formed on a tube wall of the inner tube and combustion gas is ejected with ejection characteristics such that circulating flow is formed on the periphery of a stagnation point. According to this combustion heater, a stable flame can be formed without increasing costs and the heating efficiency can be improved.
    Type: Grant
    Filed: January 30, 2009
    Date of Patent: April 18, 2017
    Assignee: IHI CORPORATION
    Inventors: Soichiro Kato, Katsuyoshi Takahashi, Taku Mizutani
  • Publication number: 20170052134
    Abstract: Provided is a combustion experiment device, which includes a reaction tube into which a sample fluid flows and to which a temperature gradient in which a temperature rises toward a downstream side is imparted, and a burner part that is configured to flow a combustible gas along and around the reaction tube from the downstream side to an upstream side of the reaction tube and to maintain a flame surrounding the reaction tube from the outside in a radial direction of the reaction tube.
    Type: Application
    Filed: November 9, 2016
    Publication date: February 23, 2017
    Applicants: Tohoku University, IHI Corporation
    Inventors: Takuya TEZUKA, Hisashi NAKAMURA, Kaoru MARUTA, Soichiro KATO, Shintaro ITO