Nissan Motor Company Limited

Nippon Telegraph and Telephone Corporation

Seikagaku Corporation

Mitsubishi Heavy Industries Limited

Mitsubishi Power, Ltd.

Nikon Corporation

Kaneka Corporation

Kanegafuchi Kagaku Kogyo Kabushiki Kaisha

Other

Kyocera Corporation

The University of Tokyo

Fuji Photo Film Company, Limited

Mitsubishi Hitachi Power Systems, Ltd.

Keio University

Seikagaku Kogyo Kabushiki Kaisha (seikagaku Corporation)

Kenji Miyamoto

Jun Terada

Shigeyuki Nakagawa

Keijiro Saito

Shigeru Kuwano

Minoru Kasukawa

Satoshi Takiguchi

Masayuki Inoue

Yoshihiko Yasohara

Junzo Hasegawa

Shigeru Kawano

Akio Hirose

Kenta Taniguchi

Shohei Koizumi

Tomo Kawakami

Takashi Sugizaki

Shinichi Fukuba

Keiji Yoshioka

Shinji Akamatsu

Keisuke Miura

Noriyuki Kizaki

Kotaro Miyauchi

Toshikazu Nanbu

Yusuke Kawakami

Michinori Waki

Tetsuji Morita

Kojiro Kobayashi

Chika Yamamoto

Tatsuya Shimizu

Satoshi Tanimura

Koichi Nishida

Kiyoshi Fujimoto

Keita Takahashi

Hirofumi Yamamoto

Keiji Matsumoto

Kei Inoue

Masashi Kobayashi

Takanori Ichiki

Tomohiro Asai

Taro Ueno

Noriyuki Ota

Fumio Osakada

Yosuke Yasuda

Yoshitaka Uehara

Munenobu Yoshida

Takayoshi Tashiro

Yousuke Yasuda

Noriko Ogawa

Yoshihiro Motani

Shoichi Tsuchiya

Hiroshi Sakurai

Takashi Miyamoto

Yoshitaka Hirata

Sosuke Nakamura

Taiki Kinoshita

Naoki Tsunoda

Masaru Kato

Yuichi Ichikawa

Shin Kato

Yoshitaka Terada

Atsushi Moriwaki

Shohei Numata

Yasuhiro Akiyama

Yasuhiro Kurahashi

Katsuyoshi Tada

Hisashi Nakahara

Katsuya Takahashi

Masakazu Nose

Shuhei Kajimura

Keita Yunoki

Tomoki Uruno

Takanori Akagi

Takashi Funatsu

Sadao Yanagida

Takashi Onozuka

Eiji Takami

Masao Aihara

Issei Tamura

Akira Fukushima

Shohei Domen

Katsuya Takahishi

Yuuji Shimojima

Hiromichi Ohta

Hiroki Kano

Taku Egawa

Geoffrey D Myers

Taehwan Kim

Ayako Hayashi

Yaohua Xue

Hisayuki Takeuchi

A gas turbine combustor according to at least one embodiment, includes: a less combustible fuel flow control part for controlling, independently of each other, amounts of less combustible fuel supplied to a first fuel injector and a second fuel injector; a highly combustible fuel flow control part for controlling, independently of each other, amounts of highly combustible fuel having a higher combustion speed than the less combustible fuel and supplied to the first fuel injector and the second fuel injector; and a controller configured to control the less combustible fuel flow control part and the highly combustible fuel flow control part such that a relative ratio of a first ratio of the highly combustible fuel to whole of first fuel injected by the first fuel injector and a second ratio of the highly combustible fuel to whole of second fuel injected by the second fuel injector changes according to an operating condition of a gas turbine.

Gas turbine combustor with less combustable fuel and highly combustible fuel ratio control

A burner assembly includes a plurality of burners for mixing fuel and air. Each of the plurality of burners includes: at least one fuel nozzle for injecting the fuel; and a mixing passage into which the fuel injected from the at least one fuel nozzle and the air are introduced. Each of the at least one fuel nozzle includes a protruding portion protruding upstream of an inlet of the mixing passage in a flow direction of the air. Each of the at least one fuel nozzle includes at least one fuel injection hole formed on a side surface of the protruding portion. A top surface of the protruding portion includes a convex curved surface.

Burner assembly, gas turbine combustor, and gas turbine

A combustor cylinder includes a cylinder, and a fuel nozzle capable of injecting fuel into a combustion space of the cylinder. The cylinder has a plurality of cooling passages allowing cooling air to circulate therethrough, and a nozzle attachment penetration hole penetrating the cylinder from an outer circumferential surface of the cylinder to an inner circumferential surface of the cylinder. The fuel nozzle has a mixing passage, a fuel passage communicating with the mixing passage and capable of supplying the fuel to the inside of the mixing passage, and a connection passage communicating with the mixing passage and capable of supplying cooling air from a part of the plurality of cooling passages to the inside of the mixing passage. A position in the mixing passage communicating with the connection passage is on a side where a spout port of the mixing passage is present from a position where the mixing passage communicates with the fuel passage.

Combustor cylinder, combustor, and gas turbine

A combustor includes: a tube plate having an upstream side end face and a downstream side end face that are orthogonal to a combustor axis, in which an air hole passing through the upstream side end face and the downstream side end face is formed in the tube plate; and a fuel injector that injects fuel into air passing through the air hole. The air hole has: a bent channel that curves toward a direction orthogonal to the combustor axis toward the downstream side; and an inclined channel that is connected to the downstream side of the bent channel so as to be continuous therewith, and that extends inclining with respect to the combustor axis and opens to the downstream side end face. A fuel injection position at which the fuel injector injects fuel is located on the downstream side of the upstream end of the bent channel.

Combustor and gas turbine

A burner assembly includes a plurality of burners for mixing fuel and air. Each of the plurality of burners includes: a fuel nozzle for injecting the fuel; a mixing passage supplied with the fuel and the air; and a support portion connecting a passage wall of the mixing passage and the fuel nozzle to support the fuel nozzle.

A solution mixer comprising: a main flow path in which a solution circulates; at least one solution introduction flow path connected to the main flow path; and at least one solution discharge flow path connected to the main flow path, wherein the solution discharge flow path has at least one solution discharge flow path valve, and wherein the main flow path has at least one main flow path valve.

Solution mixer, fluidic device, and solution mixing method

A connector includes a plurality of contacts. Each of the contacts includes a first engagement portion, a second engagement portion, a first bent portion, a second bent portion, and a coupling portion. A second angle formed by a reference straight line and a second straight line is smaller than a first angle formed by the reference straight line and a first straight line, where the first straight line is a straight line passing through an end of the first bent portion on the first engagement portion side and an end of the first bent portion on the coupling portion side, and the second straight line is a straight line passing through an end of the second bent portion on the coupling portion side and an end of the second bent portion on the second engagement portion side.

Connector and manufacturing method of connector

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 an opening degree of a flow rate adjustment valve of at least one branch line. The correction value determination unit is configured to determine a correction value of the opening degree of the flow rate adjustment valve of the at least one branch line based on a value of a pressure difference between a fuel pressure upstream of a nozzle connected to the at least one branch line and a corrected fuel pressure for a fuel pressure at an outlet.

Fuel control device, combustor, gas turbine, fuel control method, and program

A relay device for relaying communications between a plurality of radio devices that perform radio communications with a terminal and a radio control apparatus that controls the plurality of radio devices, the relay device including a plurality of signal combiners that are each provided for one of functional splitting points between the plurality of radio devices and the radio control apparatus, and are each configured to convert signal data transmitted from one of the plurality of radio devices based on a signal format in accordance with the one of the functional splitting points, and transmit the converted signal data to the radio control apparatus, and a signal switcher configured to output the signal data transmitted from the one of the plurality of radio devices, to one of the plurality of signal combiners supporting one of the functional splitting points that corresponds to the one of the plurality of radio devices.

Relay apparatus and relay method

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.

Control apparatus and control method

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.

Gas turbine combustor and gas turbine

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.

Combustor nozzle, combustor, and gas turbine

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.

Gas turbine combustor

A combustor includes: a first cylindrical body which is configured to hold a fuel nozzle extending in an axial line direction and through which air flows toward a downstream side thereof; a second cylindrical body that is connected to a downstream side of the first cylindrical body; and an outer shell that has an inner peripheral surface configured to define an air introduction channel through which air is introduced such that the air reverses course at an upstream end of the first cylindrical body and flows toward the downstream side together with an outer peripheral surface of the first cylindrical body. The inner peripheral surface has an outside narrowing surface that is formed to extend inward in a radial direction toward the upstream end of the first cylindrical body.

Combustor, gas turbine

A combustor includes: a nozzle main body having a shaft body and a swirl vane; a first fuel flow path configured to supply fuel to a first fuel injection hole defined in the nozzle main body; a second fuel flow path configured to supply fuel to a second fuel injection hole defined in the nozzle main body on a radial outer side of the first fuel injection hole; a first regulating valve provided in the first fuel flow path and configured to regulate a flow rate of the fuel in the first fuel flow path; a temperature sensor-configured to detect a temperature on a downstream side of the swirl vane; and a control device configured to control the first regulating valve so that the flow rate of the fuel in the first fuel flow path is lowered when the temperature detected by the temperature sensor satisfies a predetermined condition.

Growing community of inventors

Tokyo, Japan

Kenji Miyamoto