792 patents
Page 8 of 40
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
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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
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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
Utility
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28 Mar 23
A seal segment comprises: a seal body having a plurality of thin-plate seal pieces that extend while being inclined forward in a rotational direction of a rotating shaft as the pieces draw farther inward in a radial direction of the rotating shaft, and that are layered in a circumferential direction of the rotating shaft; a pair of side plates extending in the circumferential direction so as to cover the seal body from both sides with respect to an axial direction of the rotating shaft; and a housing having a housing main body that accommodates the seal body while allowing the seal body to protrude inward in the radial direction, and an extending part that is provided to an end portion of the housing main body in the circumferential direction, and that extends inward in the radial direction along an end surface of the seal body in the circumferential direction.
Azumi Yoshida, Hidekazu Uehara, Kohei Ozaki, Shin Nishimoto, Tatsuro Furusho
Filed: 14 Feb 19
Utility
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21 Mar 23
A turbine includes a shaft configured to rotate about a rotor axis; a pair of rotating blade rows, the pair of rotating blade rows including a pair of disks that extend radially outward from the shaft and are disposed at an interval in a direction of the rotor axis, each one of the pair of rotating blade rows including a plurality of rotating blades arranged in a circumferential direction on an outer peripheral end of the disk; and a pair of stator vane rows disposed in a one-to-one manner on a first side of the pair of rotating blade rows in the direction of the rotor axis, each one of the pair of stator vane rows including a plurality of stator vanes arranged in the circumferential direction, wherein a number of the rotating blades on each one of the pair of rotating blade rows is the same, and a number of the stator vanes on each one of the pair of stator vane rows is the same.
Shigeki Senoo, Yoshihiro Kuwamura, Toshio Watanabe, Sotaro Takei
Filed: 25 Jun 21
Utility
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21 Mar 23
An agent device transmits certain data, which is used for generating display data, of data relating to a plurality of pieces of operation data collected from an instrument to a computation server device.
Koji Sato, Akihisa Endo, Hiroyasu Ishigaki
Filed: 24 May 19
Utility
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21 Mar 23
An assembly or disassembly method for a casing of a steam turbine in which an inner casing is installed in an outer casing, and the inner casing and the outer casing are fixed at a fixing position, wherein when the inner casing is assembled or disassembled in a state where the fixing position and a gravity center of the inner casing are at different positions in an axial direction of the inner casing, a tilt adjusting jig is interposed between the outer casing and the inner casing so that the assembly or disassembly of the casing is performed while maintaining a tilt of the inner casing with the tilt adjusting jig.
Chikara Aramaki, Asuka Nidome
Filed: 24 Aug 21
Utility
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14 Mar 23
A metal-powder producing apparatus includes a spray chamber, and a plurality of spray nozzles that liquid-spray a melted metal into the spray chamber.
Takashi Shibayama, Shigenobu Eguchi, Yuting Wang, Shinya Imano
Filed: 7 Dec 18
Utility
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14 Mar 23
A joint member is formed of a composite including reinforcement fibers and resin.
Hidetaka Hattori, Noriya Hayashi
Filed: 14 Feb 20
Utility
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7 Mar 23
An airfoil including: an airfoil portion having an airfoil surface; and a communication hole extending at least in the airfoil portion and a first opening open in the airfoil surface, through which the first opening is communicated with a second opening provided in a portion of the airfoil.
Yasuro Sakamoto
Filed: 15 Nov 19
Utility
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7 Mar 23
A condition determination system includes: an operation condition data obtaining unit that obtains operation condition data indicating an operation condition of a facility; and a determination unit that determines, based on the operation condition data, a level of a phenomenon that occurs due to the operation condition of the facility.
Eisuke Noda, Satoshi Hanada, Yusuke Yamada, Mizuki Kasamatsu, Takae Yamashita
Filed: 25 Mar 16
Utility
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28 Feb 23
A classifier including a housing to take in air flow from below into a radially outer region of an inside space; a flow deflection portion to deflect the air flow toward a center axis of the housing; and an annular rotational portion disposed rotatably in a radially inner region positioned on a radially inner side of the radially outer region, of the inside space of the housing, and configured to classify particles which accompany the air flow.
Shinji Matsumoto, Kenichi Arima, Takuichiro Daimaru, Kazushi Fukui, Hidechika Uchida
Filed: 2 Sep 16
Utility
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28 Feb 23
An internal defect detection system for a three-dimensional additive manufacturing device which performs additive molding by emitting a laser beam to a powder bed is provided.
Ryuichi Narita, Toshiya Watanabe, Akio Kondou, Masashi Kitamura, Hidetaka Haraguchi, Shuji Tanigawa, Claus Thomy, Henry Koehler
Filed: 8 Aug 17
Utility
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28 Feb 23
A marine vessel capable of improving propulsion efficiency for the entire operation of the marine vessel.
Kazuki Hosono, Makoto Kawabuchi, Takuyoshi Yamada
Filed: 30 Dec 20
Utility
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28 Feb 23
Provided is a schedule creation device for creating a conveyance schedule according to which a conveyance device conveys a product to work positions designated for each manufacturing process.
Tatsuki Takazaki
Filed: 24 Apr 19
Utility
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28 Feb 23
An acquisition unit is configured to acquire measurement values of a target device.
Ichiro Nagano, Kuniaki Aoyama, Mayumi Saito, Shintaro Kumano, Katsuhiko Abe, Toru Tanaka, Takahiro Yamauchi
Filed: 31 May 17
Utility
rg0jyeccslzsllyxlorrf5e1xgn38c0sxp9ebo9qkcobdkibgxacyzar
28 Feb 23
A pit gate includes a gate body which is inserted between a pool portion storing water and a canal portion connected to the pool portion and is configured to change a flow state of the water, and a seal portion (6) which is accommodated in a groove-shaped accommodation recess formed in the gate body and seals between the pool portion and the gate body.
Hiromu Okamoto, Hisanori Watanabe, Hidetaka Kafuku, Shunsuke Tanaka, Hiroki Mitsui, Yasuharu Suda, Takao Ito, Hayao Kurono, Shuhei Dobara, Takumi Hori
Filed: 21 Sep 18
Utility
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28 Feb 23
An exhaust hood (Ec) of the present invention is provided with an inner casing (21), an outer casing (30), and a diffuser (26).
Yoshihiro Kuwamura, Hideaki Sugishita, Kazuyuki Matsumoto, Toyoharu Nishikawa, Kei Nakanishi
Filed: 25 Dec 18
Utility
pm6d7kyzftnajwdmqu8zx1iaovlef
21 Feb 23
A laser processing method includes a first step of irradiating a surface of a composite material with a laser to form a hole processing groove on the composite material by scanning first paths from an outside corresponding to an inner peripheral surface side of a through hole to be formed to an inside corresponding to a center side of the through hole to be formed, the first paths extending across a width direction of the hole processing groove; and a second step of irradiating and penetrating through the hole processing groove with the laser to form the through hole by scanning second paths from the outside to the inside after the first step, the second paths extending across the width direction of the hole processing groove.
Saneyuki Goya, Ryuichi Narita, Rudolf Weber, Christian Freitag, Ehsan Zahedi
Filed: 7 Feb 20