792 patents
Page 11 of 40
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
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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
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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
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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
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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
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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
Utility
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6 Dec 22
A non-positive displacement type pressurizing device for pressurizing a fluid includes a rotor including a rotary blade row including a plurality of rotary blades provided at intervals in a circumferential direction; a casing that accommodates the rotor; a stationary blade row supported by the casing and including a plurality of stationary blades provided at intervals in the circumferential direction; and a plurality of heat exchanging units for cooling the fluid, wherein the heat exchanging units are configured to divide a flow path formed between stationary blades, of the plurality of stationary blades, adjacent to one another in the circumferential direction in a height direction of the stationary blades.
Hideyuki Uechi, Tatsuo Ishiguro, Norito Katsuki, Takahiro Hidaka, Teppei Hata, Takahiro Yamana, Shigeki Senoo, Yuichiro Hirano
Filed: 28 Jan 21
Utility
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6 Dec 22
A gas turbine apparatus includes a turbine configured to be driven by a combustion gas from a combustor, an exhaust passage, an extraction line configured to extract a fluid from a combustor casing, a cooling part disposed in the extraction line and configured to cool the fluid, a return line for returning the fluid from the cooling part to an inside of the combustor casing, the return line being connected to the extraction line downstream of the cooling part, a bypass line for introducing the fluid from the cooling part to the exhaust passage by bypassing the turbine, the bypass line branching from the return line, and a communication state switching part for controlling a communication state between the extraction line and the combustor casing via the return line, and a communication state between the extraction line and the exhaust passage via the bypass line.
Hidehiko Nishimura, Kengo Okamoto, Yoshifumi Iwasaki
Filed: 8 Oct 20
Utility
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6 Dec 22
A transmission type adaptive optical system that can be applied to a high power laser beam beyond a limit of deformable mirrors and corrects wavefront turbulence of a laser beam with adaptation to the wavefront turbulence is provided.
Tomoya Morioka, Koichi Hamamoto
Filed: 1 Feb 19
Utility
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6 Dec 22
A solid fuel burner is provided with a guide member arranged on an outer circumferential section of a distal end of a first gas nozzle so as to guide a fluid flowing through a second flow passage outward in a radial direction; and a contraction forming member that is arranged on an upstream side of the guide member with respect to the flow direction of the second flow passage so as to reduce the cross sectional area of the second flow passage.
Satoshi Tadakuma, Akira Baba, Koji Kuramashi, Takeshi Aruga, Shohei Mito, Kosuke Kitakaze, Toshihiko Mine
Filed: 18 Dec 18
Utility
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29 Nov 22
Yoshihide Wadayama, Satoshi Kumagai, Keisuke Miura, Mitsuhiro Karishuku, Satoshi Dodo
Filed: 11 Feb 21
Utility
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29 Nov 22
There is provided a control system including: a first transmission unit configured to transmit a first command directing an operation of a crane; a second transmission unit configured to transmit a second command directing an operation of the crane; and a control device including a first reception unit configured to accept the first command and a second reception unit configured to accept the second command, in which the control device is configured to operate the crane in a case in which the first command and the second command coincide with each other.
Shigemi Yamane
Filed: 1 Jun 21
Utility
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29 Nov 22
A regeneration cooler (2) includes a passage forming structure (10) in which a fuel passage (11) is formed for liquid fuel to be supplied.
Kenji Suzuki, Makoto Minoya
Filed: 16 Nov 17
Utility
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22 Nov 22
A state display device 100 includes a display device 30 for displaying a temporal change of a first parameter representing an operation state of a thermal power generation facility 10, and a correlation between the first parameter and a second parameter representing an operation state of the thermal power generation facility 10, an input device 70 for respectively selecting and inputting a first period t1 and a second period t2 different from the first period t2 in the temporal change of the first parameter, and a processing device 50.
Koji Imakita, Toshihiko Niinomi
Filed: 24 Oct 17
Utility
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22 Nov 22
A cleaning process (blasted-particles cleaning process) includes performing, a plural number of consecutive cycles, an ultrasonic cleaning treatment including immersing a turbine rotor blade in a water basin and conducting an ultrasonic wave into the water basin to clean the turbine rotor blade, and a pressurized-water cleaning treatment including spraying pressurized water into an internal cooling flow channel after the ultrasonic cleaning treatment is performed.
Yasushi Takeuchi, Yosuke Kawachi, Yoshiyuki Inoue
Filed: 13 Dec 16
Utility
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22 Nov 22
A combined cycle plant includes: a gas turbine having a compressor, a combustor, and a turbine; a supplementary firing burner configured to raise a temperature of an exhaust gas of the gas turbine; a heat recovery steam generator configured to generate a steam using an exhaust heat of the exhaust gas; a steam turbine configured to be driven by the steam generated by the heat recovery steam generator; and a control device configured to change both an output of the combustor and an output of the supplementary firing burner when an output of the combined cycle plant is to be changed.
Goichi Matsushiro, Ken Hatano
Filed: 31 Dec 19
Utility
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15 Nov 22
An abnormality detection device that detects an abnormality of a target device includes a processor that executes a process of acquiring a plurality of types of measured values of the target device, a process of calculating Mahalanobis distances of the acquired plurality of types of measured values, a process of extracting the plurality of Mahalanobis distances calculated in a past predetermined period from a point in time of evaluation of the target device and calculating a moving average value of a square value of each of the extracted Mahalanobis distances, and a process of determining whether or not an abnormality has occurred in the target device on the basis of the moving average value.
Takaharu Hiroe, Kazunari Ide, Ryo Sase
Filed: 25 Jun 20
Utility
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15 Nov 22
A method for molding a composite material obtained by laying up a fiber-reinforced base material includes: disposing a lay-up in which the fiber-reinforced base material is laid up, on a molding surface of a molding jig; covering the lay-up with a film to hermetically seal the lay-up; supplying resin toward the lay-up from a resin supplying unit; sucking atmosphere in the film from a degassing waterproof unit while blocking the resin in the film from passing to impregnate the lay-up with the resin; and discharging the resin in the film from a resin discharging unit after the lay-up is impregnated with the resin.
Kodai Shimono, Hiroshi Tokutomi
Filed: 8 Mar 18
Utility
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15 Nov 22
The present invention addresses the problem of providing a method for molding, using a honeycomb core, a composite material structure that is high-quality, low cost, and leaves less voids.
Kazuki Noma, Hiromichi Akiyama, Toshio Kozasa, Masayuki Kanemasu, Shunichi Morishima
Filed: 26 Feb 19