1801 patents
Page 5 of 91
Utility
Direction Detection Device, Acquisition Method of Phase Difference Table, Direction Detection Method, and Direction Detection Program
30 Nov 23
A direction detection device that detects an arrival direction of a received wave includes: antennas arrayed in at least a one-dimensional direction; a phase difference imparting unit that imparts phase differences different depending on arrival directions of received waves; a storage unit that stores therein a phase difference table in which for each of combinations of two antennas, a phase difference between the two antennas is associated with an arrival direction of a received wave; a detector that detects a phase difference between two antennas based on the received wave; an extractor that extracts, for the combinations of two antennas, arrival directions of the received wave corresponding to the phase difference detected by the detector; and a comparator that compares the arrival directions of the received wave corresponding to the phase differences to acquire a matched arrival direction of the received wave as a detection result.
Noriyasu KATO
Filed: 13 Jan 22
Utility
Gas supply device for manufacturing device. atomizing device, 3D additive manufacturing device, additive manufacturing system, and shaped object and gas supply method for manufacturing device
28 Nov 23
A gas supply device for a manufacturing device includes an inert gas supply source that supplies inert gas, a supply line connected to the inert gas supply source, a nitrogen removal portion that is provided on the supply line and that removes at least a portion of nitrogen in the inert gas, and an oxygen removal portion that is provided on the supply line and that removes at least a portion of oxygen in the inert gas.
Takahiro Tachibana, Yasuyuki Fujiya, Masayuki Ota
Filed: 4 Dec 20
Utility
Processing device and processing method
28 Nov 23
The aim of the present invention is to provide a processing device and a processing method, with which it is possible to improve processing accuracy.
Takeshi Yamada, Tetsunori Miyoshi, Akira Kitano, Masahiro Aoyama, Takeshi Kadomasu, Yuya Tanaka, Naoki Yamamoto
Filed: 18 Apr 19
Utility
Steam turbine seal clearance adjusting method
28 Nov 23
A steam turbine includes a rotary shaft, a blade provided on an outer peripheral surface of the rotary shaft, a casing covering the rotary shaft and the blade from an outer peripheral side, a vane provided on an inner peripheral surface of the casing, and a seal device including a seal ring provided between the outer peripheral surface and the vane and a position adjusting portion configured to adjust a position of the seal ring in a radial direction.
Shunsuke Mizumi, Ketsu Ko, Juichi Kodera, Masayuki Kayahara
Filed: 28 May 20
Utility
Control device, control method, and program
28 Nov 23
A control device for adjusting an amount of fuel to be supplied to a gas turbine based on a rotational speed of the gas turbine, such that a frequency of electric power output by a power generator that generates electric power using the gas turbine is within a given range, includes a load value acquisition unit configured to acquire a load value that is a value of a load applied to the power generator after cutoff of a part of the load applied to the power generator when the part of the load applied to the power generator is cut off, an arithmetic unit configured to calculate an adjusted value that is a value of the load different from the load value by carrying out an arithmetic operation on the load value and a bias, and a command unit configured to adjust the amount of fuel by outputting a first signal for causing the power generator to output electric power corresponding to the adjusted value.
Akihiko Saito, Hidekazu Yamashita, Jun Sasahara, Koichiro Yano, Yosuke Kitauchi, Mizuhiko Tanaka, Masahiro Yoshida
Filed: 27 Sep 22
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
Electrolysis Device
23 Nov 23
An electrolysis device includes two electrolysis units, which each includes two end plates.
Gerd BECKER, Christian BERGINS, Torsten Gerhard BUDDENBERG
Filed: 15 May 23
Utility
Turbine
23 Nov 23
A turbine includes: a rotor having a rotor body, and a plurality of rotor blades; a casing covering the rotor; and a plurality of stator blades, wherein the stator blades each include a stator blade body having formed on the surface thereof a suction part that extends in the radial direction and can suction at least a portion of working fluid, a nozzle inner peripheral member provided inward of the stator blade body in the radial direction, and a plurality of seal fins protruding inward in the radial direction from the inner peripheral surface of the nozzle inner peripheral member, and an ejection port for ejecting the working fluid guided from the suction part is formed in the nozzle inner peripheral member and in a portion of seal fins more on the other side than the seal fin most on one side in the axial line direction.
Atsushi Nakagawa, Eiji Konishi
Filed: 19 Oct 21
Utility
Ridge Structure, Wing, Design Method of Ridge Structure, and Design Program for the Same
23 Nov 23
The ridge structure has ridge elements provided on a top face of a leading edge region directly downstream of a leading edge, which is a laminar flow region of a wing having a swept-back angle relative to a mainstream and provided with a leading edge, and extending in parallel toward downstream of the mainstream.
Kenji TOGAMI, Minoru YOSHIMOTO, Makoto HIROTA, Yuji HATTORI, Yuki IDE
Filed: 22 May 23
Utility
High-temperature Part and Gas Turbine Including the Same
23 Nov 23
A high-temperature part of the present disclosure includes: a high-temperature part body which includes a base and a coating layer formed on a part of a surface of the base; and a protective layer which is formed on at least a part of a surface of the coating layer.
Masahiro WATANABE, Taiki KINOSHITA, Kiyoshi FUJIMOTO, Sosuke NAKAMURA, Norihiko MOTOYAMA, Kenichi HASHIMOTO, Akito KIRA
Filed: 15 May 23
Utility
Combined Cycle Plant, Method for Starting Up Same, and Start-up Control Program for Executing Said Method
23 Nov 23
A method for starting up a combined cycle plant in which the following steps are executed: a gas turbine start-up step of increasing an output of a gas turbine to a rated output, a steam admission step of starting steam supply to a steam turbine when a temperature of the steam from a waste heat recovery boiler reaches or exceeds a predetermined temperature, and an ST generator output control step of controlling a flow rate of steam flowing into the steam turbine after a generator is synchronized so that an output of the generator increases according to a target output change pattern.
Yuichiro FURUKAWA, Masataka NARUSE, Kazuhiko MARUTA
Filed: 16 Sep 21
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
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
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
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
Waste Treatment System and Waste Treatment Method
9 Nov 23
A waste treatment system includes: at least one reformer for hydrolyzing waste with steam; a microbial reactor for microbially degrading a reformed material containing at least a solid of the waste hydrolyzed by the at least one reformer; and at least one steam generation device for generating the steam by using only combustion energy of a gas produced in the microbial reactor.
Kazuhiro Kawai, Akira Noma, Keiji Fujikawa, Susumu Okino
Filed: 21 Sep 21
Utility
Nuclear Reactor Unit and Method for Cooling Nuclear Reactor Unit
9 Nov 23
Provided is a nuclear reactor unit that can reduce a temperature increase in a reactor core at the occurrence of an abnormality with a simple structure.
Yasutaka HARAI, Satoru KAMOHARA, Tadakatsu YODO, Shota KOBAYASHI, Shohei OTSUKI, Nozomu MURAKAMI, Wataru NAKAZATO, Takashi HASEGAWA, Yutaka TANAKA, Tatsuo ISHIGURO, Hironori NOGUCHI, Hideyuki KUDO, Takafumi NODA, Kazuhiro YOSHIDA
Filed: 21 Sep 21