1801 patents
Page 27 of 91
Utility
Ducted fan and aircraft
20 Dec 22
A ducted fan includes a fan and a cowl having a cylindrical shape and including an introduction port configured to introduce air from a first end portion side.
Yuki Morisaki, Kazuhiro Imai, Kai Karikomi, Yasuhiro Saiki
Filed: 17 Feb 21
Utility
Compressor housing, compressor including the compressor housing, and turbocharger including the compressor
20 Dec 22
A compressor housing includes: an intake flow path-forming section configured to form an intake flow path; a shroud portion including a shroud surface curved in a protruding manner to face blades of an impeller; and a scroll flow path-forming section configured to form a scroll flow path through which gas is guided outside the compressor housing.
Yoshihiro Hayashi, Ricardo Martinez-Botas, Maria Esperanza Barrera-Medrano
Filed: 15 Jan 21
Utility
Denitration device, heat recovery steam generator having the same, gas turbine combined cycle power plant and method of denitration
20 Dec 22
A denitration device comprising a duct (22) that leads and distributes exhaust gas from a turbine (56) of a gas turbine (50) including a compressor (52) and the turbine (56), an ammonia injection grid (24) that sprays, into the duct (22), an mixed gas in which ammonia gas and dilution air are mixed with each other, and a denitration catalyst (26) that is installed on a downstream side of flow of the exhaust gas of the ammonia injection grid in the duct (22), and there is provided an air bleeding line (76) that is connected to a low compression portion of the compressor (52) of the gas turbine (50) and supplies air bled of the compressor (52) into the ammonia injection grid (24) as the dilution air.
Akira Hirota, Kanji Ishikawa
Filed: 4 Feb 19
Utility
Laser Cutting Method and Laser Cutting Device
15 Dec 22
In this laser cutting method and laser cutting device with which a base material is cut by irradiating, with laser, a surface of a base material formed of a composite material, an irradiation step for swinging the laser in a tolerance direction crossing the length direction of a cutting line while moving the laser relative to the base material along the length direction of the cutting line for cutting the base material is repeatedly performed on the cutting line, thereby cutting the base material, and in the irradiation step, a swing width in the width direction of the laser is decreased as the depth in the depth direction from the surface of the base material toward the rear surface increases.
Saneyuki GOYA, Ryuichi NARITA, Akiko INOUE, Hiroki MORI, Ryota OZAKI, Masahiko SHIMIZU
Filed: 15 Nov 19
Utility
Heat Insulating Structure, Heat Insulating Body, Method for Manufacturing Heat Insulating Structure, and Method for Manufacturing Heat Insulating Body
15 Dec 22
The purpose of the present invention is to provide a heat insulating structure, a heat insulating body, a method for manufacturing a heat insulating structure, and a method for manufacturing a heat insulating body that can substantially reduce a manufacturing cost and a manufacturing time.
Makoto INOMOTO
Filed: 16 Oct 20
Utility
Composite material automatic laminating device
13 Dec 22
This composite material automatic laminating equipment is provided with a lamination stage a composite material winding unit which supplies a composite material sheet, supply rollers which feed the composite material sheet onto the top surface of the lamination stage or onto another composite material sheet arranged on said top surface, a compaction roller which is arranged downstream of the supply rollers and which makes surface contact with the composite material sheet and presses the composite material sheet, and a cutting section which forms composite material sheet pieces by cutting, in the width direction, the portion of the composite material sheet in surface contact with the compaction roller.
Akihito Suzuki, Kazuki Ishida, Kohei Muto, Tsuyoshi Okawara, Kenji Murakami, Makoto Inomoto
Filed: 23 Jan 20
Utility
Turbine wheel and wire retention pin fixation method for turbine wheel
13 Dec 22
A turbine wheel that retains a fixation wire to inhibit the movement of turbine rotor blades along mating grooves includes: multiple tab sections that form housing sections that house part of the fixation wire; and a wire retention pin to retain the fixation wire in the housing sections.
Yoshiki Sakamoto, Yasuyuki Watanabe, Yoshitaka Sato
Filed: 28 Jan 21
Utility
Transition piece, combustor provided with same, and gas turbine provided with combustor
13 Dec 22
A plurality of cooling passages extending in an axial direction are formed in a transition piece so as to be aligned in a circumferential direction and the axial direction.
Tetsu Konishi, Hiroaki Kishida, Kentaro Tokuyama, Hiroki Shibata, Akihiro Murakami
Filed: 4 Jan 21
Utility
Operation management device, power generation plant, and operation management method for power generation plant
13 Dec 22
An operation management device includes a state acquiring unit that acquires a measurement value of a first state amount indicating an operation state of a power generation plant, a state updating unit that updates an estimation value of a second state amount, which indicates the operation state of the power generation plant and is a state amount different from the first state amount, based on the measurement value of the first state amount, and a managing unit that manages the operation state of the power generation plant based on the estimation value of the second state amount.
Keisuke Yamamoto, Shintaro Kumano, Makoto Kishi, Katsuhiko Abe
Filed: 27 Mar 18
Utility
Method, design device, and design program for cross-sectional shape of fuselage
13 Dec 22
A method for designing the cross-sectional shape of the fuselage of a flying body having the fuselage extending in the roll axial direction, the section being taken on a plane perpendicular to the roll axial direction.
Shunichi Morishima, Masatake Hatano, Kiyoshi Sugeta, Toshio Kozasa, Timothy Craig Momose, Takayuki Tani, Hitoshi Ojika, Masahiko Matsuhashi, Toshihiko Azuma
Filed: 20 Apr 17
Utility
Contact vibration detection device, rotary machine including the same, and contact vibration detection method
13 Dec 22
A contact vibration detection device 100 for detecting contact vibration due to contact between a rotational shaft 12 and a stationary part 13 includes: a rotation waveform determination unit 101 configured to determine a rotation waveform of the rotational shaft 12 based on displacement of the rotational shaft 12 during rotation; a parameter change detection unit 102 configured to detect a change in a parameter of at least one of an effective value of the rotation waveform or a phase angle of the rotation waveform; and a contact vibration determination unit 103 configured to determine whether the contact vibration occurs based on presence or absence of the change in the parameter.
Tadashi Yoshida, Ryoji Sasaki, Hidetaka Nishimura, Takeshi Tsuji
Filed: 17 Jan 19
Utility
Radiant Heat Protection Device, Radiant Heat Protection Method, and Service Vehicle
8 Dec 22
A radiant heat protection device, a radiant heat protection method, and a service vehicle include a radiant heat reflector (51) having a reflective surface (51a) that reflects radiant heat (H), a coolant retainer (52) disposed on a back surface (51b) of the reflective surface (51a) of the radiant heat reflector (51) and capable of retaining coolant (C), and a coolant feed device (53) configured to feed the coolant (C) to the coolant retainer (52).
Jun Fujita, Hisanori Amano, Yoshihiro Tamura
Filed: 16 Oct 20
Utility
Rotor Manufacturing Method
8 Dec 22
This method is for manufacturing a fan blade rotor which includes an annular rotation support ring around a rotary shaft, a permanent magnet provided alongside the rotation support ring in the radial direction, and a composite material for integrally binding the rotation support ring and the permanent magnet, the method including: a step S1 for arranging the rotation support ring and the permanent magnet side by side in the radial direction; steps S2-S4 for spirally winding, on the rotation support ring and the permanent magnet arranged side by side being as a core, the composite material being an uncured composite material including a reinforcement fiber impregnated with an uncured resin with the fiber direction of the reinforcement fiber set as a longitudinal direction; and a step for curing the resin included in the composite material.
Kazuki OHASHI, Naoaki FUJIWARA
Filed: 28 Sep 20
Utility
Ceramic Coating, Turbine Component, and Gas Turbine
8 Dec 22
A ceramic coating according to at least one embodiment of the present disclosure includes: a bond coat layer formed on a substrate; and a ceramic layer formed on the bond coat layer.
Yoshifumi OKAJIMA, Taiji TORIGOE, Masahiko MEGA, Hiroki KOMURO, Sosuke KAWASUMI
Filed: 26 Mar 21
Utility
Disturbance Estimation Device, Disturbance Estimation Method, and Program
8 Dec 22
A disturbance estimation device includes: an acquisition unit configured to acquire a measurement value measured by a sensor provided in a controlled object; and an estimating unit configured to calculate a variance-covariance matrix of a measurement vector including the measurement value as an element, perform singular value decomposition on the variance-covariance matrix to calculate a singular vector of a maximum singular value, and estimate a disturbance that occurs in the controlled object based on the singular vector.
Takaharu HIROE, Kazunari IDE, Ryo SASE
Filed: 5 May 22
Utility
Explosion-proof robot
6 Dec 22
An explosion-proof robot is an explosion-proof robot which is capable of self-propulsion on a field and includes: an explosion-proof casing of a hollow shape inside of which at least one electric component is placed; and a cover including a nonmetal material and covering at least part of an outer surface of the explosion-proof casing.
Ken Onishi, Koji Shukutani, Hiroyoshi Okazaki, Syuhei Kobori, Atsushi Kamiyoshi, Kyohei Hisakawa
Filed: 29 Jun 17
Utility
Semi-submersible type floating substructure and wind turbine offshore installation method using semi-submersible type floating substructure
6 Dec 22
A wind turbine offshore installation method of installing a wind turbine using a semi-submersible type floating substructure includes: a step of towing the semi-submersible type floating substructure on which the wind turbine is erected to an installation target site on a sea; and a step of coupling the wind turbine and a spar type floating substructure for supporting the wind turbine on the sea at the installation target site to install the wind turbine on the sea.
Kai Karikomi
Filed: 6 Feb 20
Utility
Rotating machine
6 Dec 22
A rotating machine includes a hollow casing; a rotating body rotatably supported in the casing; a stator blade fixed to an inner peripheral portion of the casing; a rotor blade fixed to an outer peripheral portion of the rotating body to be offset to the stator blade in an axial direction of the rotating body; a sealing device arranged between the inner peripheral portion and a tip of the rotor blade; a swirling flow generation chamber provided in the casing on a downstream side in a fluid flow direction from the sealing device along a circumferential direction of the rotating body; first guiding members provided in the swirling flow generation chamber along a radial direction and in a circumferential direction of the rotating body at predetermined intervals; and a second guiding member provided in the chamber along the circumferential direction while intersecting the first guiding members.
Hideki Ono, Chongfei Duan, Kazuyuki Matsumoto, Yoshihiro Kuwamura, Hisataka Fukushima, Hideaki Sugishita, Kiyoshi Segawa
Filed: 13 Nov 19
Utility
Wind turbine blade including leading edge protector and wind turbine including the wind turbine blade
6 Dec 22
A wind turbine blade includes a blade main body and a leading edge protector.
Naoto Murata, Syusaku Yamamoto, Yoichiro Tsumura, Tatsufumi Aoi, Akio Ikeda, Nobuyuki Kamihara, Takehiro Naka
Filed: 7 May 21
Utility
Waste heat recovery system, gas turbine plant provided with same, waste heat recovery method, and installation method for waste heat recovery system
6 Dec 22
A gas turbine includes: a compressor configured to compress air; a combustor configured to combust fuel in the air compressed by the compressor so as to generate combustion gas; and a turbine configured to be driven using the combustion gas.
Hideyuki Uechi, Hideaki Sugishita, Yukimasa Nakamoto, Yuichi Oka
Filed: 6 May 20