Patents by Inventor Kenji Miyamoto

Kenji Miyamoto 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: 11118512
    Abstract: There is provided a gas turbine (1) including a compressor (2) that generates compressed air, a casing (5) into which the compressed air is introduced, a combustor (3) that generates a combustion gas, a turbine (4) that is driven by the combustion gas, a combustor cooling system (6) that has a sub-compressor (62), which is able to be operated independently of the compressor (2), and a heat exchanger (61), which extracts air in the casing (5) and causes the air to exchange heat after the sub-compressor (62) has increased a pressure of the air, and that introduces the air, which has exchanged heat, into a cooling passage (31) of a cylindrical body (30) of the combustor (3), and a combustor air introducing system that extracts air flowing in the combustor cooling system (6) and introduces the air into the combustor (3).
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: September 14, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Kenji Miyamoto, Satoshi Takiguchi, Masakazu Nose
  • Publication number: 20210282052
    Abstract: Provided is a control apparatus that controls any one or all of a plurality of slave station apparatuses communicating with a terminal apparatus, a plurality of master station apparatuses that control the slave station apparatuses, and a transfer apparatus that transfers data transmitted and received between the master station apparatuses and the slave station apparatuses, the control apparatus including an information acquisition unit that acquires information regarding traffic of the data transmitted and received between the master station apparatuses and the slave station apparatuses, and a switching control unit that performs, on the basis of the information regarding the traffic acquired by the information acquisition unit, switching-control of an assignment relationship between the master station apparatus and the slave station apparatus and switching-control of a transfer path of data between the master station apparatus and the slave station apparatus.
    Type: Application
    Filed: July 19, 2019
    Publication date: September 9, 2021
    Inventors: Kenji Miyamoto, Keita Takahashi, Hirofumi Yamamoto, Noriyuki Ota, Jun TERADA
  • Patent number: 11096246
    Abstract: A radio communication system includes a radio apparatus and a signal processing apparatus that function as a base station, and the radio apparatus includes a channel estimation unit that, on the basis of a radio signal transmitted from a terminal apparatus, estimates channel information relating to a radio transmission path between the radio apparatus and the terminal apparatus; a demodulation unit that performs soft-decision demodulation of the radio signal on the basis of the channel information estimated by the channel estimation unit; a decoding unit that decodes a log likelihood ratio obtained by the soft-decision demodulation and outputs a result of an error detection code obtained by the decoding; and a transmission control unit that, on the basis of the error detection code result, controls transmission, to the signal processing apparatus, of data obtained by the decoding.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: August 17, 2021
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kenji Miyamoto, Jun Terada, Tatsuya Shimizu
  • Patent number: 11085642
    Abstract: A combustor includes: a fuel nozzle extending along an axis; a tubular combustor basket configured to cover the fuel nozzle; and a tubular transition piece configured to define a cooling air passage through which air from outside is introduced between the tubular transition piece and an outer circumferential surface of a leading end portion of the tubular combustor basket. The tubular transition piece extends toward a leading end side of the tubular combustor basket.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: August 10, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Issei Tamura, Keijiro Saito, Kenji Miyamoto, Yaohua Xue
  • Publication number: 20210184376
    Abstract: A harness is provided with one or more first wires each including a first core exposed portion, one or more second wires each including a second core exposed portion, and a bonded portion formed by welding the first and second core exposed portion(s). A total cross-sectional area of the second core(s) is equal to or less than ? of the sum of total cross-sectional areas of the first and second core(s). The bonded portion has two pairs of outer surfaces extending along an extending direction of the first and second wires and facing each other and a distance H between one pair of the outer surfaces (upper/lower surfaces), out of the two pairs of outer surfaces, is longer than a distance W between another pair of the outer surfaces (right/left side surfaces). The second core exposed portion(s) is/are arranged adjacent to the upper surface Up in the bonded portion.
    Type: Application
    Filed: May 17, 2019
    Publication date: June 17, 2021
    Inventors: Yuji KAWATA, Kenji MIYAMOTO, Daichi SHIRAI
  • Publication number: 20210135379
    Abstract: Provided is a technique for easily manufacturing a terminal-equipped electrical wire in which a part of a core wire crimping portion is highly compressed. A method of manufacturing the terminal-equipped electrical wire includes the following steps (a) to (c). A step (a) is a step of preparing a terminal fitting including a core wire crimping portion having a bottom portion and a pair of crimping pieces (34, 34) standing upright on the bottom portion, and a partially overlapping portion (37) overlaid, so as to protrude, on the outside of a partial region of the bottom portion of the core wire crimping portion along an extending direction of the bottom portion. A step (b) is a step of accommodating core wire exposed portions (22) of electrical wires in the core wire crimping portion. A step (c) is a step of crimping the core wire crimping portion to the core wire exposed portions (22).
    Type: Application
    Filed: March 1, 2018
    Publication date: May 6, 2021
    Inventors: Taiji Mochizuki, Kenji Miyamoto, Kazuhiro Washio, Naoya Nishimura
  • Patent number: 10995956
    Abstract: A combustor (3) includes: a fuel nozzle configured to inject fuel; a tubular body (24) having a tubular shape in which a combustion region through which combustion gas flows is formed inside, and in which a plurality of slits (50) are formed extending in the circumferential direction at intervals in the circumferential direction; and throttle pieces (60) which are fitted into the slits (50), project radially inward from the inner circumferential side of the tubular body (24), and have a throttle face that extends along the flow direction of the combustion gas as it extends from the radially outer side inward.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: May 4, 2021
    Assignee: MITSUBISHI POWER, LTD.
    Inventors: Shuhei Kajimura, Kenji Miyamoto, Taiki Kinoshita, Kotaro Miyauchi
  • Patent number: 10985499
    Abstract: Provided is an electric connector capable of preventing damage to a housing and deformation of a bracket even if it is miniaturized. An electric connector (10) according to the present disclosure includes: a first connector (20) having a first housing (30) with a recess (35) formed in a first surface and a first bracket (54) held by the first housing (30) while facing the first surface; and a second connector (60) fitted with the first connector (20), the second connector having a second housing (70) with a projection (76) fitted into the recess (35), the projection being formed on a second surface corresponding to the first surface, and a second bracket (94) held by the second housing (70) while facing the second surface and electrically connected to the first bracket (54).
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: April 20, 2021
    Assignee: KYOCERA CORPORATION
    Inventors: Kenji Miyamoto, Munenobu Yoshida
  • Patent number: 10969101
    Abstract: The present invention provides a main nozzle of a combustor, a plurality of the main nozzles are to be installed on an outer peripheral side of a pilot nozzle of the combustor at an interval in a circumferential direction of the pilot nozzle, the main nozzle includes a main nozzle body extending in an axial line; a swirl vane protruded from an outer peripheral surface of the main nozzle body in a radial direction of the axial line, and is configured to allow a fluid flowing downstream in a direction of the axial line to swirl around the axial line; and temperature sensors installed on the main nozzle body so as to be disposed on a tangential line to a mean line of the swirl vane drawn between a vane ventral surface and a vane dorsal surface of the swirl vane, at a downstream end portion of the swirl vane.
    Type: Grant
    Filed: December 15, 2017
    Date of Patent: April 6, 2021
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Atsushi Moriwaki, Kenji Miyamoto, Keijiro Saito
  • Publication number: 20210098643
    Abstract: This light sensitive element comprises: a substrate; a light absorbing layer containing InGaA, the light absorbing layer being disposed on the substrates; and semiconductor layers containing InAsP. The semiconductor layers are disposed on an upper surface and on a lower surface of the light absorbing layer, respectively. The semiconductor layers constitutes a quantum well structure with the light absorbing layer.
    Type: Application
    Filed: December 11, 2020
    Publication date: April 1, 2021
    Applicants: NATIONAL INSTITUTE OF ADVANCED INDUSTRIAL SCIENCE AND TECHNOLOGY, NIKON CORPORATION
    Inventors: Yuzuru IKEHARA, Mutsuo OGURA, Sanae IKEHARA, Kenji MIYAMOTO, Yutaka IWASAKI
  • Patent number: 10944210
    Abstract: Provided is an electric connector capable of preventing damage to a housing and deformation of a bracket even if it is miniaturized. An electric connector (10) according to the present disclosure includes: a first connector (20) having a first housing (30) with a recess (35) formed in a first surface and a first bracket (54) held by the first housing (30) while facing the first surface; and a second connector (60) fitted with the first connector (20), the second connector having a second housing (70) with a projection (76) fitted into the recess (35), the projection being formed on a second surface corresponding to the first surface, and a second bracket (94) held by the second housing (70) while facing the second surface and electrically connected to the first bracket (54).
    Type: Grant
    Filed: April 25, 2018
    Date of Patent: March 9, 2021
    Assignee: KYOCERA CORPORATiON
    Inventors: Kenji Miyamoto, Munenobu Yoshida
  • Patent number: 10910733
    Abstract: It is aimed to enhance efficiency in connecting operation to a shielded cable and prevent the impairment of a shielding function. A terminal fitting (T) includes an inner conductor (6) including core crimping portions (9) to be crimped to a core (1), a dielectric (7) made of an insulating material, an outer conductor (5) including a body portion (12) configured to surround the dielectric (7), a braided wire crimping portion (22) crimpable to a braided wire and a coupling portion (15) configured to connect the body portion (12) and the braided wire crimping portion (22), parts of the coupling portion corresponding to the core crimping portions (9) being vertically opened, and a cover member (8) configured to close both openings (18, 19) of the coupling portion (15).
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: February 2, 2021
    Inventors: Kenji Miyamoto, Kazuaki Hamada, Eiji Kojima
  • Patent number: 10851998
    Abstract: A combustor includes: a first nozzle which extends along an axis and injects fuel toward a downstream side; a flame stabilizer which covers a downstream-side end portion of the first nozzle from an outer periphery side; and a plurality of second nozzles arranged at intervals in a circumferential direction around the axis on the outer periphery side of the flame stabilizer. The flame stabilizer has a cone portion expanding in diameter toward the downstream side from the upstream side, and a flange portion extending radially outward from a downstream-side end edge of the cone portion, and a penetrating portion which penetrates at least the flange portion in a direction of the axis is formed in the flame stabilizer.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: December 1, 2020
    Assignee: MITSUBISHI HEAVY INDUSTRIES, LTD.
    Inventors: Kenji Miyamoto, Satoshi Takiguchi, Keijiro Saito, Shinji Akamatsu, Shinichi Fukuba
  • 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: 20200325831
    Abstract: A combustor includes: a nozzle main body having a shaft body and a swirl vane; a first fuel flow path which supplies fuel to a first fuel injection hole formed in the nozzle main body; a second fuel flow path which supplies fuel to a second fuel injection hole formed on a radial outer side of the first fuel injection hole in the nozzle main body; a first regulating valve provided in the first fuel flow path and configured to regulate a flow rate of the fuel flowing through the first fuel flow path; a temperature sensor-which detects a temperature on a downstream side of the swirl vane; and a control device which controls the first regulating valve so that the flow rate of the fuel flowing through the first fuel flow path is lowered when a temperature detected by the temperature sensor satisfies a predetermined condition.
    Type: Application
    Filed: March 24, 2017
    Publication date: October 15, 2020
    Inventors: Naoki TSUNODA, Keijiro SAITO, Kenji MIYAMOTO
  • Publication number: 20200326073
    Abstract: There is provided a combustor including a nozzle main body (16) that includes a shaft body (24) which extends along an axis and has, inside the shaft body (24), a purge air flow path (29), which extends along the axis to a tip portion of the shaft body (24) and into which compressed air is introduced, and an air spraying hole (39), which is formed in the tip portion of the shaft body (24) and connects the purge air flow path (29) to an outer surface of the shaft body (24), a swirling blade (26), which overhangs from an outer circumferential surface of the shaft body (24) in a diameter direction of the axis and swirls a fluid flowing to a downstream side of an axial direction around the axis, and a fuel spraying hole (38), and a sealing member (40) that seals the air spraying hole (39) and is formed of a metal having a melting point lower than a melting point of a metal forming the nozzle main body (16).
    Type: Application
    Filed: March 30, 2017
    Publication date: October 15, 2020
    Inventors: Taehwan KIM, Keijiro SAITO, Shinji AKAMATSU, Kenji MIYAMOTO
  • 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: 20200300471
    Abstract: A gas turbine combustor provided with: a plurality of swirler tubes that are disposed inside a combustor basket and impart a swirl to a premixed gas, the premixed gas being obtained by premixing a fuel and air for combustion; and an outer ring that is disposed between the plurality of swirler tubes and the combustor basket with a gap provided between the outer ring and the combustor basket, and generates film-shaped air inside a combustor transition piece connected to the combustor basket via injection through the gap into the combustor transition piece, and at a downstream end of the outer ring, the outer ring includes a tapered surface formed such that the outer ring gradually decreases in thickness from an upstream side toward a downstream side.
    Type: Application
    Filed: March 21, 2017
    Publication date: September 24, 2020
    Inventors: Kenji MIYAMOTO, Satoshi TAKIGUCHI, Keijiro SAITO, Kotaro MIYAUCHI, Koichi NISHIDA, Shinji AKAMATSU
  • Publication number: 20200295471
    Abstract: It is aimed to enhance efficiency in connecting operation to a shielded cable and prevent the impairment of a shielding function. A terminal fitting (T) includes an inner conductor (6) including core crimping portions (9) to be crimped to a core (1), a dielectric (7) made of an insulating material, an outer conductor (5) including a body portion (12) configured to surround the dielectric (7), a braided wire crimping portion (22) crimpable to a braided wire and a coupling portion (15) configured to connect the body portion (12) and the braided wire crimping portion (22), parts of the coupling portion corresponding to the core crimping portions (9) being vertically opened, and a cover member (8) configured to close both openings (18, 19) of the coupling portion (15).
    Type: Application
    Filed: March 2, 2017
    Publication date: September 17, 2020
    Inventors: Kenji Miyamoto, Kazuaki Hamada, Eiji Kojima
  • Publication number: 20200291872
    Abstract: A fuel control device includes a stem fuel valve opening degree determination unit, a branch line flow rate determination unit, and a correction value determination unit. The stem fuel valve opening degree determination unit is configured to determine an opening degree of a flow rate adjustment valve of a stem fuel supply line. The branch line flow rate determination unit is configured to determine the opening degree of each flow rate adjustment valve of the branch line based on an operation situation of the gas turbine. The correction value determination unit is configured to determine a correction value of the opening degree of each flow rate adjustment valve of the branch line based on a value of a pressure difference between a fuel pressure upstream of each of nozzles connected to the branch lines respectively and a corrected fuel pressure for the fuel pressure at an outlet.
    Type: Application
    Filed: March 8, 2017
    Publication date: September 17, 2020
    Inventors: Kenji MIYAMOTO, Kotaro MIYAUCHI, Hisashi NAKAHARA, Kiyoshi FUJIMOTO