792 patents
Page 3 of 40
Utility
Computing device, redundant system, program, and method for constructing redundant configuration
28 Nov 23
A computing device for configuring a redundant system includes: a detection unit configured to detect another computing device newly added to the redundant system during operation of the computing device; and a construction processing unit configured to execute construction processing for constructing a redundant configuration with the other computing device.
Minoru Nakaide, Shinichi Toda
Filed: 13 Nov 20
Utility
Fuel cell stack, fuel cell module, power generation system, and method of producing fuel cell stack
21 Nov 23
A fuel cell stack includes: a substrate; a first fuel cell including a fuel side electrode, an electrolyte, and an oxygen side electrode on the substrate, the first fuel cell being a single fuel cell; a second fuel cell including a fuel side electrode, an electrolyte, and an oxygen side electrode on the substrate, the second fuel cell being a single fuel cell; an interconnector film electrically connecting the fuel side electrode of the first fuel cell and the oxygen side electrode of the second fuel cell; and a porous ceramic film covering at least the interconnector film in a region between the fuel side electrode of the first fuel cell and the fuel side electrode of the second fuel cell.
Kenichi Hiwatashi, Shin Yoshida, Kenta Araki, Kensuke Sameshima
Filed: 26 Nov 19
Utility
Steam turbine, and blade
21 Nov 23
This steam turbine comprises: a rotating shaft that extends along an axis; a plurality of rotor blades that are arranged in the circumferential direction and that extend in a radial direction from the outer circumferential surface of the rotating shaft; a casing body that covers the rotating shaft and the rotor blades from the outer circumference side; and a plurality of stationary blades that extend in the radial direction from a position on the inner circumferential surface of the casing body on the upstream side of the rotor blades and that are arranged in the circumferential direction.
Shigeki Senoo, Soichiro Tabata
Filed: 6 Sep 22
Utility
Rotor and compressor
14 Nov 23
A rotor has formed therein a groove with which a moving blade including a dovetail portion and a platform portion connecting the dovetail portion and a blade portion engages.
Hidetaka Okui, Kondo Takahiro
Filed: 27 May 20
Utility
Turbine rotor blade, turbine rotor blade assembly, gas turbine, and repair method for gas turbine
14 Nov 23
One of spacing between the base-side first tooth and the base-side second tooth or spacing between the base-side second tooth and the base-side third tooth is greater than spacing between the tip-side first tooth and the tip-side second tooth.
Norifumi Hirata
Filed: 7 Mar 23
Utility
Gas turbine system and moving body including the same
14 Nov 23
Provided is a gas turbine system that is used for a moving body including a thrust generator configured to generate thrust from electric power and includes: a combustor that burns a compressed air generated by a compressor together with fuel to generate a combustion gas; a turbine driven by the combustion gas generated by the combustor; a generator that is coupled to the turbine to generate electric power by driving of the turbine and supplies electric power to the thrust generator; a turbocharger that guides external air to the compressor; and an exhaust unit that guides a combustion gas that passed through the turbine to the outside, and the turbocharger is driven by a part of a combustion gas guided to the exhaust unit or by external air heated by heat exchange with a part of a combustion gas guided to the exhaust unit.
Yuki Morisaki, Kazuhiro Imai, Masayuki Oda, Yuichi Nakatani, Yasuhiro Saiki
Filed: 13 Feb 20
Utility
Control device, control input determination method, and control input determination program
14 Nov 23
A control device is a device for controlling a gas turbine.
Makoto Kishi, Ryuji Takenaka, Ryoichi Haga, Kenta Wada, Yasuhiro Niina
Filed: 18 Mar 21
Utility
Main bearing replacement method for wind turbine power generation facility
14 Nov 23
In a main bearing replacement method for a wind turbine power generation facility including a nacelle, a rotor head rotatably supported by the nacelle, a drive shaft to which rotation of the rotor head is transmitted, a main bearing disposed between the rotor head and the nacelle, and a coupling connecting the rotor head and the drive shaft on a radially inner side of the main bearing, the wind turbine power generation facility includes a main bearing sleeve fitted and fixed to an inner ring of the main bearing and mounted with the rotor head, and the main bearing is replaced at least while the main bearing sleeve is fitted and fixed to the inner ring of the main bearing.
Tatsuya Sakaue, Tomokazu Yamada, Yosuke Midorikawa
Filed: 15 Dec 21
Utility
Processing device and processing method
7 Nov 23
A processing device includes: a first processing position (A1) and a second processing position (A2) at which rough processing is performed on a workpiece (W); a third processing position (B1) at which final finishing processing is performed on the workpiece (W) that was processed at the second processing position (A2); flexible vises (7) provided to the first processing position (A1) and the second processing position (A2), the flexible vises (7) securing the workpiece (W) by clamping the same; and a quick clamping device (20) provided to the third processing position (B1), the quick clamping device (20) securing the workpiece (W) by means of a pin.
Jun Eto, Hirokazu Unno, Shinichi Takeuchi
Filed: 7 Nov 17
Utility
Data generation device, image identification device, data generation method, and recording medium
7 Nov 23
A data generation device is provided with environment setting means (200), model setting means (210), image calculation means (220) and data output means (230).
Hiroshi Kawato, Yuto Kurishita
Filed: 18 Feb 19
Utility
Synthetic product production system and carbon dioxide treatment system
31 Oct 23
A synthetic product production system is provided with: a synthesis plant for producing a synthetic product by synthesizing a hydrogen-containing gas and carbon dioxide; and a carbon dioxide supply line for supplying the carbon dioxide to the synthesis plant from a recovery and storage plant including a recovery device for recovering the carbon dioxide from a carbon dioxide-containing gas and an injection facility for fixing the recovered carbon dioxide into a stratum.
Shinya Marushima, Tadateru Tanioka, Kazunori Fujita, Yoshimasa Ando, Takahiro Kamo, Kenichi Irie, Atsushi Tsutsumi
Filed: 16 Sep 20
Utility
System and method for hydrogen production using a control unit controlling an adjustment device
31 Oct 23
A hydrogen production system includes: a hydrogen production device connected to an electric power system or connected to a power generation device using renewable energy and configured to produce hydrogen by electrolyzing pure water; an output control unit capable of controlling an amount of power supplied from the electric power system to the hydrogen production device according to request from the electric power system; a first pure water line for supplying pure water to the hydrogen production device; a first adjustment device capable of adjusting an amount of pure water supplied to the hydrogen production device via the first pure water line; and a first control unit configured to control the first adjustment device, based on a power amount signal indicating information on an amount of power supplied from the electric power system to the hydrogen production device.
Shinya Marushima, Atsushi Tsutsumi, Yoshimasa Ando, Kazunori Fujita, Tadateru Tanioka
Filed: 18 Jul 22
Utility
Turbine blade and gas turbine
31 Oct 23
A turbine blade includes: an airfoil portion extending in a blade height direction and having a pressure surface and a suction surface each of which extends between a leading and trailing edges; a shroud portion disposed on a blade tip side of the airfoil portion; a fillet portion formed by a curved surface and connected to an end portion of the shroud portion on a side of the airfoil portion; at least one first cooling hole extending along the blade height direction within the airfoil portion; at least one cooling cavity disposed at least partially within the shroud portion and communicating with the at least one first cooling hole; and a second cooling hole connected to the at least one cooling cavity and opening to a surface of the shroud portion.
Kazuya Nishimura
Filed: 9 Nov 20
Utility
Heat insulating material assembly and gas turbine
31 Oct 23
A heat insulating material assembly is provided with: a heat insulating material covering an outer surface of a casing of a gas turbine; and a guard part disposed so as to protrude from the outer surface of the casing and face an end surface of the heat insulating material.
Tadashi Ota, Susumu Sekine, Hyota Abe, Takayuki Ikarashi, Shingo Yamasue, Kazuki Kitagawa
Filed: 14 Apr 21
Utility
Optical system and optical compensation method
31 Oct 23
An optical system that obtains characteristics of a transmission path in atmosphere, when laser light propagates through this transmission path, at a place separated from this transmission path and before the propagation, and corrects wavefront of the laser light based on the obtained characteristics, is provided.
Masashi Iwashimizu, Hiroyuki Daigo, Shingo Nishikata, Kazunori Masukawa, Atsushi Ochiai, Toshikazu Ebisuzaki, Satoshi Wada, Yoshiyuki Takizawa, Masayuki Maruyama, Shinji Motokoshi
Filed: 23 Aug 19
Utility
Seawater leakage detection device in feedwater system, method for detecting seawater leakage in feedwater system, and steam turbine plant
31 Oct 23
In a seawater leakage detection device in a feedwater system, a method for detecting seawater leakage in a feedwater system, and a steam turbine plant, an ammonia addition device configured to add ammonia as a pH adjusting agent to feedwater at an upstream side of a high-pressure drum in a feedwater line, an acid electrical conductivity meter configured to measure an acid electrical conductivity of drum water in the high-pressure drum, and a control device configured to control the ammonia addition device such that a pH value of drum water in the heat recovery steam generator expresses alkalinity equal to or greater than a preset predetermined value, calculate a chlorine ion concentration of drum water on the basis of the acid electrical conductivity measured by the acid electrical conductivity meter, and determine whether leakage of seawater is detected are provided.
Haruka Kido, Akihiro Hamasaki, Masato Kanedome
Filed: 25 Jul 18
Utility
Gas turbine plant
24 Oct 23
A gas turbine plant includes a gas turbine, an exhaust line, an exhaust heat recovery boiler that generates steam due to heat of exhaust gas and guides the exhaust gas to the exhaust line, a carbon dioxide recovery device that recovers carbon dioxide contained in the exhaust gas, a heat exchanger that cools the exhaust gas to a temperature set in advance, and a circulation line that branches from a position between the carbon dioxide recovery device and the heat exchanger and is connected to an inlet of the gas turbine.
Atsushi Tsutsumi, Tetsuya Tanaka, Naoyuki Nagafuchi, Takashi Kamijo
Filed: 22 Jul 20
Utility
Opposed-piston engine
24 Oct 23
An opposed-piston engine according to an embodiment is a first fuel injection device configured to inject fuel from a circumferential wall surface of at least one cylinder into the cylinder, and a second fuel injection device disposed to be displaced in a circumferential direction so as to be opposite to the first fuel injection device across an axial center of the cylinder.
Masafumi Mori, Yuuki Koshiba, Kengo Tanaka, Takashi Ueda, Shigetoshi Sugata
Filed: 27 Jan 21
Utility
Outlet seal, outlet seal set, and gas turbine
24 Oct 23
An outlet seal connects a combustor that combusts a fuel to generate combustion gas and a shroud for a stator.
Kenji Sato, Kiyoshi Fujimoto, Norihiko Motoyama, Akihiro Murakami
Filed: 12 Aug 20
Utility
Fluid film bearing
24 Oct 23
A fluid film bearing includes a plurality of bearing pads that are arranged in a circumferential direction of a rotating body that rotates about an axis, and that support the rotating body via a fluid film, wherein the bearing pad includes a base layer made of metal, an elastic layer that is layered on the rotating body side of the base layer, and that is made of an elastically deformable elastic material, a sliding layer that is layered on the rotating body side of the elastic layer, and that opposes the rotating body and is made of a bearing material, and a metal plate that is layered between the elastic layer and the sliding layer, and that is more rigid than the elastic layer and the sliding layer.
Yoshitomo Noda, Takuzo Shigihara, Shimpei Yokoyama, Chihiro Yoshimine, Masaya Kawano
Filed: 15 Mar 22