Patents by Inventor Tatsuo Ishiguro

Tatsuo Ishiguro 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: 20220148745
    Abstract: A nuclear power generation system includes a nuclear reactor that includes a reactor core fuel and a nuclear reactor vessel, the nuclear reactor vessel covering a surrounding of the reactor core fuel, shielding a space in which the reactor core fuel is present, and shielding radioactive rays; a heat conductive portion that is disposed in at least a part of the nuclear reactor vessel to transfer heat inside the nuclear reactor vessel to an outside by solid heat conduction; a heat exchanger that performs heat exchange between the heat conductive portion and a refrigerant; a refrigerant circulation unit that circulates the refrigerant passing through the heat exchanger; a turbine that is rotated by the refrigerant circulated by the refrigerant circulation unit; and a generator that rotates integrally with the turbine.
    Type: Application
    Filed: February 10, 2020
    Publication date: May 12, 2022
    Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kazuhiro Yoshida, Chikara Kurimura, Tatsuo Ishiguro, Hideyuki Uechi, Ryusuke Kimoto, Yoshiteru Komuro, Hiroyuki Nakaharai, Tadakatsu Yodo, Hideaki Ikeda, Satoru Kamohara, Shohei Otsuki, Wataru Nakazato, Yohei Kamiyama
  • Patent number: 11274575
    Abstract: A gas turbine plant includes a gas turbine, an exhaust heat recovery boiler, and a water supply system that is configured to supply water to the exhaust heat recovery boiler. The exhaust heat recovery boiler has an evaporator configured to use an exhaust gas to heat water, thereby generating steam, and a reheater that is configured to heat steam with the exhaust gas introduced from the evaporator. The water supply system has a water supply line that is configured to supply water from a water supply source to the exhaust heat recovery boiler, and a supplied water temperature regulator that is configured to regulate a temperature of supplied water, which is the water in the water supply line.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: March 15, 2022
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Hideyuki Uechi, Tatsuo Ishiguro, Naoki Hisada
  • Publication number: 20220034606
    Abstract: A plurality of resistance-imparting portions (34A to 34E) are disposed adjacent to each other. A first contraction flow portion forming one of the resistance-imparting portions (34A to 34E) adjacent to each other is in communication with an enlarged diameter portion forming another resistance-imparting portion. First contraction flow portions (32AH to 32DH) forming the resistance-imparting portions (34A to 34E) adjacent to each other are disposed at different positions in a direction in which an outer frame member (31) extends.
    Type: Application
    Filed: December 2, 2019
    Publication date: February 3, 2022
    Inventors: Takuo ODA, Tatsuo ISHIGURO, Nobuhide HARA, Yoshiyuki KONDO, Satoshi HIRAOKA, Taichi NAKAMURA, Kenji KIRIHARA, Jiro KASAHARA
  • Publication number: 20210299609
    Abstract: A carbon dioxide recovery system for collecting carbon dioxide from an exhaust gas generated in a facility including a combustion device includes: a first exhaust gas passage through which the exhaust gas containing carbon dioxide flows; a fuel cell including an anode, a cathode disposed on the first exhaust gas passage so that the exhaust gas from the first exhaust gas passage is supplied to the cathode, and an electrolyte transferring, from the cathode to the anode, a carbonate ion derived from carbon dioxide contained in the exhaust gas from the first exhaust gas passage; and a second exhaust gas passage diverging from the first exhaust gas passage upstream of the cathode so as to bypass the cathode. A part of the exhaust gas is introduced to the second exhaust gas passage.
    Type: Application
    Filed: October 17, 2017
    Publication date: September 30, 2021
    Inventors: Norihisa MATAKE, Kouji HORIZOE, Hideyuki UECHI, Shigenori SUEMORI, Takuya HIRATA, Yasutaka AOKI, Tatsuo ISHIGURO
  • Publication number: 20210254633
    Abstract: A non-positive displacement type pressurizing device for pressurizing a fluid includes a rotor including a rotary blade row including a plurality of rotary blades provided at intervals in a circumferential direction; a casing that accommodates the rotor; a stationary blade row supported by the casing and including a plurality of stationary blades provided at intervals in the circumferential direction; and a plurality of heat exchanging units for cooling the fluid, wherein the heat exchanging units are configured to divide a flow path formed between stationary blades, of the plurality of stationary blades, adjacent to one another in the circumferential direction in a height direction of the stationary blades.
    Type: Application
    Filed: January 28, 2021
    Publication date: August 19, 2021
    Inventors: Hideyuki UECHI, Tatsuo ISHIGURO, Norito KATSUKI, Takahiro HIDAKA, Teppei HATA, Takahiro YAMANA, Shigeki SENOO, Yuichiro HIRANO
  • Patent number: 11085326
    Abstract: A gas turbine hot part includes: a body portion; a porous portion forming at least a part of the body portion or disposed on at least a part of the body portion and allowing a cooling gas to pass therethrough; and at least one filter disposed upstream of the porous portion in a flow direction of the cooling gas and capable of trapping foreign substances that cannot pass through the porous portion.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: August 10, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventor: Tatsuo Ishiguro
  • Publication number: 20200332681
    Abstract: The present invention provides a gas turbine plant that includes a gas turbine, an exhaust heat recovery boiler, and a water supply system that is configured to supply water to the exhaust heat recovery boiler. The exhaust heat recovery boiler has an evaporator that uses an exhaust gas to heat water, thereby generating steam, and a reheater that is configured to heat steam from outside with the exhaust gas passing through the evaporator. The water supply system has a water supply line that is configured to supply water from a water supply source to the exhaust heat recovery boiler, and a supplied water temperature regulator that is configured to regulate the temperature of the supplied water, which is the water flowing along the water supply line.
    Type: Application
    Filed: March 8, 2017
    Publication date: October 22, 2020
    Inventors: Hideyuki UECHI, Tatsuo ISHIGURO, Naoki HISADA
  • Publication number: 20200165971
    Abstract: A steam turbine system (200) includes a steam turbine (60) in which a main flow path (C) through which a main steam flows is formed, and a saturated steam generation portion (210) that is configured to generate a saturated steam. The saturated steam generation portion (210) is configured to feed the saturated steam into a wet region (C1) in which the main steam in the main flow path (C) is in a wet state via a hollow portion formed inside a stator vane (650) of the steam turbine (60). The stator vane (650) has a plurality of supply ports that are formed such that the hollow portion is configured to communicate with the main flow path (C), and a discharge amount of the saturated steam increases from an inner circumferential side toward an outer circumferential side in a blade height direction.
    Type: Application
    Filed: August 30, 2018
    Publication date: May 28, 2020
    Inventors: Hideyuki UECHI, Tatsuo ISHIGURO
  • Patent number: 10619606
    Abstract: An internal combustion engine includes: an engine body (10) having at least one cylinder; and an air-supply manifold (4) including an adjustment pipe (12). The length of the adjustment pipe is set so that a first pressure wave (14A) propagating from the air-supply manifold toward the adjustment pipe and a second pressure wave (14B) propagating from the adjustment pipe toward the air-supply manifold have opposite phases from each other at the cylinder.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: April 14, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    Inventors: Daisuke Takemoto, Akihiro Yuuki, Tatsuo Ishiguro, Kazuo Ogura, Yuta Furukawa, Shinnosuke Osafune
  • Publication number: 20190277143
    Abstract: A high-temperature component for a gas turbine includes: a body part; and a porous part configured such that a cooling gas is capable of passing through the porous part. The high-temperature component for a gas turbine is configured such that distribution is created in an arrangement of the porous part or a passing flow rate of the cooling gas at the porous part, in accordance with one or both of distributions of a thermal load and a pressure difference applied to the body part or the porous part. A gas turbine blade includes: a porous part which constitutes at least a trailing edge portion of an airfoil part and through which a cooling gas is passable, and the porous part has a porous rate having such a distribution that the cooling gas inside the airfoil part flows out through the porous part from a trailing edge of the airfoil part.
    Type: Application
    Filed: November 27, 2017
    Publication date: September 12, 2019
    Inventor: Tatsuo ISHIGURO
  • Publication number: 20190249567
    Abstract: A gas turbine hot part includes: a body portion; a porous portion forming at least a part of the body portion or disposed on at least a part of the body portion and allowing a cooling gas to pass therethrough; and at least one filter disposed upstream of the porous portion in a flow direction of the cooling gas and capable of trapping foreign substances that cannot pass through the porous portion.
    Type: Application
    Filed: November 29, 2017
    Publication date: August 15, 2019
    Inventor: Tatsuo ISHIGURO
  • Patent number: 10309245
    Abstract: Provided is a gas turbine capable of achieving high-speed startup of the gas turbine through quick operation control of an ACC system during startup of the gas turbine, improving the cooling efficiency of turbine stationary components, and quickly carrying out an operation required for cat back prevention during shutdown of the gas turbine.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: June 4, 2019
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., TOHOKU ELECTRIC POWER COMPANY, INC.
    Inventors: Satoshi Mizukami, Tatsuo Ishiguro, Junichiro Masada, Kazumasa Takata, Yuya Fukunaga, Hiroki Takahashi, Masaki Satoh, Yoshiaki Nishimura, Norio Oogai, Souji Hasegawa, Masato Hayashi
  • Patent number: 10247030
    Abstract: Provided is a gas turbine capable of achieving high-speed startup of the gas turbine through quick operation control of an ACC system during startup of the gas turbine, improving the cooling efficiency of turbine stationary components, and quickly carrying out an operation required for cat back prevention during shutdown of the gas turbine.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: April 2, 2019
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., TOHOKU ELECTRIC POWER COMPANY, INC.
    Inventors: Satoshi Mizukami, Tatsuo Ishiguro, Junichiro Masada, Kazumasa Takata, Yuya Fukunaga, Hiroki Takahashi, Masaki Satoh, Yoshiaki Nishimura, Norio Oogai, Souji Hasegawa, Masato Hayashi
  • Publication number: 20190055908
    Abstract: An internal combustion engine includes: an engine body (10) having at least one cylinder; and an air-supply manifold (4) including an adjustment pipe (12). The length of the adjustment pipe is set so that a first pressure wave (14A) propagating from the air-supply manifold toward the adjustment pipe and a second pressure wave (14B) propagating from the adjustment pipe toward the air-supply manifold have opposite phases from each other at the cylinder.
    Type: Application
    Filed: January 11, 2017
    Publication date: February 21, 2019
    Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
    Inventors: Daisuke TAKEMOTO, Akihiro YUUKI, Tatsuo ISHIGURO, Kazuo OGURA, Yuta FURUKAWA, Shinnosuke OSAFUNE
  • Patent number: 10036353
    Abstract: An exhaust gas recirculation apparatus includes: a fresh air throttle portion that continues from a fresh air inlet portion and is configured to throttle the flow of fresh air; an inner side tube portion that continues from the fresh air throttle portion, has a tubular shape and has an opening end disposed on a side opposite to the fresh air throttle portion; an exhaust gas inlet portion configured to receive a flow of exhaust gas; a surrounding portion that continues from the exhaust gas inlet portion, surrounds the inner side tube portion, and defines a circumference direction flow path for the exhaust gas extending along an outer circumference surface of the inner side tube portion; and an outlet portion that continues from the surrounding portion, has a tubular shape, and defines a merging flow path configured to receive the flow of the fresh air flowing out from the opening end of the inner side tube portion and the flow of the exhaust gas flowing out from the circumference direction flow path.
    Type: Grant
    Filed: December 22, 2014
    Date of Patent: July 31, 2018
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Shintaro Shuto, Tatsuo Ishiguro, Hiromi Komatsu, Yasuhiro Tanaka, Takafumi Tanaka, Satoshi Yamada, Hiroyuki Ueda
  • Patent number: 9951644
    Abstract: Provided is a gas turbine capable of achieving high-speed startup of the gas turbine through quick operation control of an ACC system during startup of the gas turbine, improving the cooling efficiency of turbine stationary components, and quickly carrying out an operation required for cat back prevention during shutdown of the gas turbine.
    Type: Grant
    Filed: September 2, 2015
    Date of Patent: April 24, 2018
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., TOHOKU ELECTRIC POWER COMPANY, INC.
    Inventors: Satoshi Mizukami, Tatsuo Ishiguro, Junichiro Masada, Kazumasa Takata, Yuya Fukunaga, Hiroki Takahashi, Masaki Satoh, Yoshiaki Nishimura, Norio Oogai, Souji Hasegawa, Masato Hayashi
  • Patent number: 9512781
    Abstract: In a cooling structure for a recovery-type air-cooled gas turbine combustor having a recovery-type air-cooling structure that bleeds, upstream of the combustor, and pressurizes compressed air supplied from a compressor, that uses the bled and pressurized air to cool a wall, and that recovers and reuses the bled and pressurized air as combustion air for burning fuel in the combustor together with a main flow of the compressed air, wall cooling in which cooling air is supplied to cooling air passages formed in the wall of the combustor to perform cooling involves a downstream wall region, closer to a turbine, that is cooled using the bled and pressurized air as the cooling air and an upstream wall region, closer to a burner, that is cooled using, as the cooling air, bled compressed air bled from a main flow of the compressed air through a housing inner space.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: December 6, 2016
    Assignees: MITSUBISHI HITACHI POWER SYSTEMS, LTD., TOHOKU ELECTRIC POWER CO., INC.
    Inventors: Satoshi Mizukami, Tatsuo Ishiguro, Junichiro Masada, Kazumasa Takata, Shunsuke Torii, Yuya Fukunaga, Tetsu Konishi, Yoshiaki Nishimura, Yoshiaki Igarashi, Shinya Ishikawa
  • Publication number: 20160319778
    Abstract: An exhaust gas recirculation apparatus includes: a fresh air throttle portion that continues from a fresh air inlet portion and is configured to throttle the flow of fresh air; an inner side tube portion that continues from the fresh air throttle portion, has a tubular shape and has an opening end disposed on a side opposite to the fresh air throttle portion; an exhaust gas inlet portion configured to receive a flow of exhaust gas; a surrounding portion that continues from the exhaust gas inlet portion, surrounds the inner side tube portion, and defines a circumference direction flow path for the exhaust gas extending along an outer circumference surface of the inner side tube portion; and an outlet portion that continues from the surrounding portion, has a tubular shape, and defines a merging flow path configured to receive the flow of the fresh air flowing out from the opening end of the inner side tube portion and the flow of the exhaust gas flowing out from the circumference direction flow path.
    Type: Application
    Filed: December 22, 2014
    Publication date: November 3, 2016
    Inventors: Shintaro Shuto, Tatsuo Ishiguro, Hiromi Komatsu, Yasuhiro Tanaka, Takafumi Tanaka, Satoshi Yamada, Hiroyuki Ueda
  • Patent number: 9255490
    Abstract: Provided is a gas turbine capable of achieving high-speed startup of the gas turbine through quick operation control of an ACC system during startup of the gas turbine, improving the cooling efficiency of turbine stationary components, and quickly carrying out an operation required for cat back prevention during shutdown of the gas turbine.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: February 9, 2016
    Assignees: MITSUBISHI HEAVY INDUSTRIES, LTD., TOHOKU ELECTRIC POWER COMPANY, INC.
    Inventors: Satoshi Mizukami, Tatsuo Ishiguro, Junichiro Masada, Kazumasa Takata, Yuya Fukunaga, Hiroki Takahashi, Masaki Satoh, Yoshiaki Nishimura, Norio Oogai, Souji Hasegawa, Masato Hayashi
  • Publication number: 20150377054
    Abstract: Provided is a gas turbine capable of achieving high-speed startup of the gas turbine through quick operation control of an ACC system during startup of the gas turbine, improving the cooling efficiency of turbine stationary components, and quickly carrying out an operation required for cat back prevention during shutdown of the gas turbine.
    Type: Application
    Filed: September 2, 2015
    Publication date: December 31, 2015
    Applicants: MITSUBISHI HEAVY INDUSTRIES, LTD., TOHOKU ELECTRIC POWER COMPANY, INC.
    Inventors: Satoshi Mizukami, Tatsuo Ishiguro, Junichiro Masada, Kazumasa Takata, Yuya Fukunaga, Hiroki Takahashi, Masaki Satoh, Yoshiaki Nishimura, Norio Oogai, Souji Hasegawa, Masato Hayashi