1801 patents
Page 18 of 91
Utility
Turbine
13 Apr 23
A turbine includes a rotor including a rotation shaft that rotates around an axis and a blade row formed on an outer surface of the rotation shaft; a casing, which covers the rotor, has a casing inner surface being expanded radially outward approaching a downstream side of the casing in a direction of the axis; and an inner member body formed to line the casing inner surface of the casing such that an extraction port is formed between an upstream side end of the inner member body and the casing inner surface.
Yoshihiro Kuwamura, Shigeo Ookura, Shunsuke Mizumi, Chongfei Duan, Hideaki Sugishita, Kazuyuki Matsumoto, Naoto Omura
Filed: 26 Jan 21
Utility
Sampling system and sampling method
11 Apr 23
To sample cooling water from a discharge pipe under vacuum, with a simple structure and without using a large-scale device.
Jun Tsunoda, Ryoichi Okura, Kazuhiko Sato
Filed: 15 Jul 21
Utility
Travel Control Device, Vehicle, Travel Control Method, and Program
6 Apr 23
A travel control device includes: a risk level calculation unit configured to acquire a speed in a traveling direction of a vehicle, a speed of the vehicle in a horizontal direction perpendicular to the traveling direction, and an azimuth angular velocity of the vehicle and calculate a rollover risk level based on a lateral load transfer ratio (LTR) of the vehicle; a deceleration calculation unit configured to calculate deceleration indicating an extent to which to lower the speed in the traveling direction when an absolute value of the rollover risk level exceeds a threshold value; and a control unit configured to control a driving system of the vehicle using a value obtained by lowering a target speed of the vehicle on the basis of the deceleration as a new target speed.
Kazumichi Oda, Tomohiro Ikawa
Filed: 28 Sep 22
Utility
Maintenance Method for Steam Turbine and Steam Turbine
6 Apr 23
A maintenance method for a steam turbine including a rotor, a casing for accommodating the rotor, and a bearing box for accommodating a bearing which supports the rotor includes: a step of installing an expansion-and-contraction member below the rotor by using an upward facing flat surface disposed between the casing and the bearing box in an axial direction; and a step of pushing up the rotor upward by the expansion-and-contraction member.
Tsuyoshi MIYABE
Filed: 20 May 21
Design
Gas injector for metal powder manufacturing equipment
4 Apr 23
Takashi Shibayama, Shigenobu Eguchi, Shinya Imano
Filed: 10 Feb 21
Design
Gas injector for metal powder manufacturing equipment
4 Apr 23
Takashi Shibayama, Shigenobu Eguchi, Shinya Imano
Filed: 10 Feb 21
Utility
Workpiece supporting device and workpiece supporting method
4 Apr 23
The purpose of the present invention is to facilitate bonding between a jig and a plate-shaped workpiece and to suitably support the workpiece.
Jun Eto, Manabu Hayashi, Osamu Katsuchi
Filed: 14 Feb 19
Utility
Hydrogen-oxygen generation system and hydrogen-oxygen generation method
4 Apr 23
A hydrogen-oxygen generation system includes an electrolytic cell configured to generate hydrogen and oxygen by electrolyzing water, and discharge the hydrogen and the oxygen as separate generated gasses.
Atsuko Homma, Kenichi Nagamoto, Naoki Ogawa, Yuta Nakatsuchi, Hidehiko Tajima, Yusaku Nasu, Yoshitsugu Sone, Hiroshige Matsumoto
Filed: 24 Oct 19
Utility
Controller for gas turbine, control method for gas turbine, and gas turbine
4 Apr 23
A gas turbine includes a compressor configured to compress air; a combustor configured to mix and combust fuel and compressed air compressed by the compressor; a turbine configured to obtain rotational power using combustion gas generated by the combustor; an inlet guide vane disposed at an intake of the compressor to adjust a flow rate of air flowing into the compressor; a bleed line configured to return a part of the compressed air pressurized in the compressor to the intake of the compressor; and an on-off valve disposed in the bleed line.
Erina Otsuka, Makoto Kishi, Atsushi Kakiuchi
Filed: 24 May 21
Utility
Inspection method for wind turbine blade of wind power generating apparatus
4 Apr 23
An inspection method according to the present disclosure includes a step of mounting an ultrasonic probe, a step of mounting a pulser receiver, a step of causing the ultrasonic probe to transmit ultrasonic waves, a step of causing the ultrasonic probe to receive a reflected wave of the ultrasonic waves reflected by the wind turbine blade, a step of causing the pulser receiver to acquire reflected-wave data, a step of causing the pulser receiver to wirelessly transmit the reflected-wave data, a step of causing at least one of antennas to receive the wirelessly transmitted reflected-wave data, and a step of causing an information processing device electrically connected to the at least two antennas to perform information processing on the reflected-wave data.
Yasutaka Kimura, Tairiku Adachi, Kazuumi Kondo
Filed: 28 Jul 21
Utility
Nuclear-power-plant computer-based procedure display device, safety control and monitoring system, and plant operation monitoring system
4 Apr 23
A nuclear-power-plant computer-based procedure display device is disposed in a main control room of a nuclear power plant, and includes a operating procedure storage unit that stores a computer-based procedure in which plant operation procedures of the nuclear power plant are divided into procedure steps and listed, a operating procedure display unit that displays the computer-based procedure, and a operating procedure display control unit that controls display of the computer-based procedure.
Satoshi Hanada, Kenji Mashio
Filed: 1 Feb 22
Utility
Gas Turbine Facility
30 Mar 23
A gas turbine facility includes: a fuel pipe connected to a fuel supply facility; a fuel supply pipe connected to a combustor of a gas turbine; a fuel treating pipe connected to a fuel treating apparatus that treats a fuel; and a three-way valve having an inlet port connected to the fuel pipe, a first outlet port connected to the fuel supply pipe, and a second outlet port connected to the fuel treating pipe.
Shohei Yoshida, Akinori Hayashi, Tatsuya Hagita, Hiroyuki Takeishi, Toshiyuki Hiraoka
Filed: 14 Sep 22
Utility
Transition Piece, Combustor, and Gas Turbine Engine
30 Mar 23
Provided is a transition piece including: a first flow passage group formed by arranging a plurality of intra-wall flow passages extending within a plate constituting the transition piece from a side near a gas turbine to a side near a combustor liner; a second flow passage group located on a side near the combustor liner with respect to the first flow passage group; and a plurality of dilution holes that penetrate the plate, and establish communication between a compressed air main flow passage and a combustion gas flow passage, each intra-wall flow passage of the first flow passage group and the second flow passage group having an inlet facing the compressed air main flow passage at an end portion on a side near the gas turbine, and having an outlet facing the combustion gas flow passage at an end portion on a side near the combustor liner, a dilution hole being located nearer to the inlet of an intra-wall flow passage of the second flow passage group than to the outlet of the intra-wall flow passage of the second flow passage group in each of spaces between the intra-wall flow passages adjacent to each other in the second flow passage group.
Naoto Fujiwara, Shohei Numata, Yasuhiro Wada, Shota Igarashi, Yoshitaka Hirata
Filed: 16 Sep 22
Utility
Dust Collection Device
30 Mar 23
An object of the disclosure is to improve processing performance.
Saneyuki GOYA, Junichiro MIYAGAKI, Jiro YONEDA, Yoshinao KOMATSU, Koki ITO
Filed: 24 Aug 22
Utility
Composite-material Blade, Rotary Machine, and Method for Forming Composite-material Blade
30 Mar 23
This composite-material blade formed by using a fiber-reinforced resin containing a resin and reinforcing fibers is provided with: a base material part provided on the inner surface of the composite-material blade; and a first cover part for covering the outer surface of the base material part.
Masami KAMIYA, Ryoji OKABE
Filed: 25 Jan 21
Utility
Turbine Blade and Turbine
30 Mar 23
A turbine blade includes: a platform; an airfoil portion extending from the platform in a blade height direction and having a pressure surface and a suction surface extending between a leading edge and a trailing edge; a blade root portion disposed on opposite side of the airfoil portion across the platform in the blade height direction and having a bearing surface; and a shank disposed between the platform and the blade root portion.
Takashi Yokoyama, Toshihiro Takeda, Toshifumi Kanno, Hikaru Kurosaki
Filed: 10 Feb 21
Utility
Biogas-utilizing Methanation System
30 Mar 23
A biogas-utilizing methanation system includes: a solid oxide fuel cell using a to-be-treated gas as a fuel gas; a hydrogen production device capable of producing hydrogen by using power of a renewable energy power generation device; and a methanation device capable of methanating carbon dioxide in the system with the hydrogen produced by the hydrogen production device.
Taiji Yoshida, Mitsuyoshi Iwata, Nagao Hisatome
Filed: 28 Jan 21
Utility
Assembly Method for Turbine, Assembly Support Program for Turbine, and Assembly Support Device for Turbine
30 Mar 23
In an assembly method for a turbine, measured shape data is acquired by measuring a shape for each of a plurality of casing components in a state in which the plurality of casing components are not fastened to each other. self-weighted state shape data, which is shape data when self-weight is applied, is created for each of the plurality of casing components.
Satoshi Kumagai, Shunsuke Mizumi, Koji Ishibashi, Juichi Kodera
Filed: 4 Dec 20
Utility
Jig and Composite Material Processing Method
30 Mar 23
A block is configured such that, when a composite material having a curved part in a cross-sectional shape cut by a plane orthogonal to an X-axis is deformed into a shape corresponding to a mold through pressure application while being kept in the mold, the block is brought into contact with the curved part of the composite material.
Toshiki KITAZAWA, Hiroaki NAKAMURA, Masahiko SHIMIZU
Filed: 17 Jun 20
Utility
Cobalt based alloy product and method for manufacturing same
28 Mar 23
There is provided a cobalt-based alloy product comprising: in mass %, 0.08-0.25% C; 0.1% or less B; 10-30% Cr; 5% or less Fe and 30% or less Ni, the total amount of Fe and Ni being 30% or less; W and/or Mo, the total amount of W and Mo being 5-12%; at least one of Ti, Zr, Hf, V, Nb and Ta, the total amount of Ti, Zr, Hf, V, Nb and Ta being 0.5-2%; 0.5% or less Si; 0.5% or less Mn; 0.003-0.04% N; and the balance being Co and impurities.
Yuting Wang, Shinya Imano, Shigenobu Eguchi
Filed: 7 Mar 19