1801 patents
Page 31 of 91
Utility
Steam turbine blade, steam turbine, and method for manufacturing steam turbine blade
1 Nov 22
A steam turbine blade includes a blade body (7) including blade surfaces (70) extending in a blade height direction.
Yasuhiro Sasao, Soichiro Tabata, Shohei Danno, Yoshinori Tanaka, Hideyuki Toda, Yu Shibata
Filed: 27 Aug 18
Utility
Gas turbine combustor, and gas turbine
1 Nov 22
To suppress separation of air flows in air holes that are positioned in the outermost circumferential row in an air hole plate, but are far from a turn guide.
Keisuke Miura, Shohei Uramoto, Tomoya Murota, Yuki Kamikawa, Shingo Yoshida
Filed: 11 Dec 19
Utility
Forming Method and Forming Die
27 Oct 22
A forming method according to the present disclosure includes a laminating step for forming an intermediate formed article by supplying and laminating a fibrous sheet onto forming surfaces of a forming die for forming the intermediate formed article; and a bending process step for performing a bending process on the intermediate formed article, which is laminated on the forming surfaces and has a shape that corresponds to the forming die, to yield a formed article.
Toshiki KITAZAWA, Masahiko SHIMIZU, Shoya MANO
Filed: 26 Nov 19
Utility
Method for Lifting/lowering Long Object In Wind Power Generating Apparatus
27 Oct 22
A method for lifting/lowering a long object in a wind power generating apparatus which includes a rotatably disposed rotor head, the rotor head having an openable and closable opening which causes an interior space of the rotor head and an exterior of the rotor head to communicate with each other, the interior space being disposed with a long jig for hanging the long object, the method includes a horizontal movement step of moving the long object in a horizontal attitude along a horizontal direction to be close to the opening or to be away from the opening in the interior space, an attitude change step of changing an attitude of the long object between the horizontal attitude and a vertical attitude vertically above the opening in the interior space, and a lifting/lowering step of lifting/lowering the long object in the vertical attitude while hanging the long object from the jig.
Tatsuya SAKAUE, Tomokazu YAMADA, Yosuke MIDORIKAWA
Filed: 27 Sep 21
Utility
Signal Processing Device, Signal Processing Method, and Program
27 Oct 22
This signal processing device comprises: an acquisition unit for acquiring an acoustic signal; a measurement unit for measuring an acoustic level of the acoustic signal for every one of first frequency bands, which are a plurality of frequency bands of a preset first bandwidth; a calculation unit that, on the basis of the plurality of acoustic levels of the first frequency bands, identifies an acoustic feature quantity indicating the separation degree from normal acoustic levels of second frequency bands, which are a plurality of frequency bands of a second bandwidth that is wider than the first bandwidth; a first determination unit for determining whether the acoustic levels measured for every one of the first frequency bands are a first threshold value or greater; and a second determination unit for determining whether the acoustic feature quantity is a second threshold value or greater.
Motoshi TAKASU, Toshifumi KUDO, Yoshiyuki HAMAJI, Takanori KOUOU
Filed: 25 Sep 20
Utility
Diagnosis Device, Diagnosis Method, and Diagnosis Program
27 Oct 22
A diagnosis device for diagnosing a diagnosis target machine having a rotary machine on the basis of a measured current during rotation of the rotary machine is provided with: an effective value acquisition unit configured to acquire an effective value of the measured current for each specified number of cycles in a target current waveform which is time transition of the measured current in a first predetermined period; a distribution information calculation unit configured to calculate a target distribution information which represents a distribution state of a plurality of the effective values acquired; and a detection unit configured to perform abnormality detection of the diagnosis target machine on the basis of the calculated target distribution information.
Yohei CHISHIKI, Koki TATEISHI, Takashi SONODA
Filed: 10 Feb 20
Utility
Operation Plan Creation Device, Operation Plan Creation Method, and Program
27 Oct 22
An operation plan creation device includes: an operation plan creation unit that creates an operation plan for components of a machine, which is operated with replacement performed at a time of an inspection, for a predetermined period of time from an operation start including a date of the inspection; a condition table management unit that receives settings of condition table information necessary for creating a schedule of the inspection in the future including inspection-related setting information, information about operating conditions of the components, and information about operating conditions of the machine, and registers the condition table information; and a condition table application unit that receives selection of one or multiple condition table information to be applied to the operation plan from among the condition table information registered, and instructs to reflect the condition table information selected into the operation plan.
Shun KAWACHI, Naoya KAWAMURA, Yuna SHIOTSUKA
Filed: 23 Dec 20
Utility
Power Generation Plant and Method for Operating Power Generation Plant
27 Oct 22
A power generation plant includes a plant device, an AC motor for starting the plant device, at least one DC power source, and an inverter disposed between the at least one DC power source and the AC motor and between the at least one DC power source and an electrical power grid.
Hideyuki UECHI, Rikuma SHIJO, Kouji HORIZOE, Hisanobu SHINODA, Mitsufumi GOTO
Filed: 12 Jul 22
Utility
Motor-integrated Fluid Machine and Vertical Take-off and Landing Aircraft
27 Oct 22
A motor-integrated fluid machine includes a rotating part that rotates around a rotation axis; an outer peripheral part provided at an outer periphery of the rotating part; and an outer peripheral drive motor that provides power from the outer peripheral part to rotate the rotating part.
Kazuki OHASHI, Naoaki FUJIWARA
Filed: 7 Jul 20
Utility
Method of evaluating quality of wind turbine blade
25 Oct 22
A method of evaluating quality of a wind turbine blade which has a hollow structure where an interior space of the wind turbine blade is surrounded by an outer skin which includes a laminated body includes: setting a scanning line on at least a part of an inner wall surface or an outer wall surface of the outer skin; and moving an ultrasound probe along the scanning line; generating a cross-sectional image corresponding to the scanning line, on the basis of a position of the ultrasound probe or a reflection echo to detect an indication whose echo level is greater than a first threshold; obtaining an inclination of the indication with respect to a reference line as a first parameter; and evaluating the lifetime or the breakage risk of the wind turbine blade on the basis of the first parameter.
Takao Kuroiwa, Kouji Esaki, Kentaro Shindo, Masakazu Kamibayashi
Filed: 9 Oct 19
Utility
Oil field pump
25 Oct 22
An oil field pump is installed within a pipe that connects to an oil field, and feeds accumulated extraction oil in a predetermined direction.
Rimpei Kawashita, Shimpei Yokoyama
Filed: 19 Feb 20
Utility
Combustor for gas turbine and gas turbine having the same
25 Oct 22
A combustor for a gas turbine includes: a flange portion to be mounted to a casing; an extension portion having an annular shape and extending from the flange portion along an axial direction of the combustor; a pipe portion having a first end connected to the flange portion and a second end connected to an outer peripheral surface of the extension portion, the pipe portion extending from the first end to the second end at an outer side of the extension portion in a radial direction; and at least one fuel nozzle configured to receive supply of a fuel via the pipe portion and a passage disposed inside the extension portion.
Kenta Taniguchi, Kiyoshi Fujimoto, Tatsuya Kowari, Ryota Fukuoka
Filed: 13 Nov 19
Utility
Monitoring target selecting device, monitoring target selecting method, and program
25 Oct 22
A monitoring target selecting device configured to output a measurement parameter to an abnormality diagnosis device to diagnose an abnormal event of a plant based on a correlation value representing a mutual correlation between measurement parameters, and includes a classification unit to acquire a plurality of measurement parameters measured in the plant, classify a change behavior of measured value over a time for each of the plurality of measurement parameters in a first period, and classify a change behavior of a measured value over a time for each of the plurality of measurement parameters in each of the first period and a second period, and a selection unit to select the measurement parameter as a measurement parameter to be output to the abnormality diagnosis device on the basis of a result of comparing a behavior of the measurement parameters in the first period to the second period.
Susumu Shiizuka, Masumi Nomura
Filed: 7 Aug 18
Utility
Diagnosis device and diagnosis method for plant
25 Oct 22
A diagnosis device for diagnosing a plant based on an operating state of the plant includes a monitoring data acquisition unit configured to acquire a plurality of monitoring data which are measurement values of a parameter related to the operating state of the plant measured at different times, a diagnosis target pattern generation unit configured to generate a diagnosis target pattern that is a plot pattern where each of the plurality of monitoring data is plotted against plant output data of the plant, and a pattern diagnosis unit configured to diagnose the plant based on the plot pattern of the diagnosis target pattern.
Pradeepa Lakmal Wevita, Fumitoshi Sakata, Ichiro Matsumoto, Hiroshi Nagai, Takehiro Kitta, Takashi Kuroishi, Hideki Tachibana
Filed: 16 Jan 18
Utility
Synthetic Product Production System and Carbon Dioxide Treatment System
20 Oct 22
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
Unmanned Vehicle Cooperation System, Unmanned Vehicle Coaction Processing Method, and Program
20 Oct 22
An unmanned vehicle cooperation system for a person to grasp the operation of an unmanned vehicle and to perform a smooth cooperation action with the unmanned vehicle.
Natsuki MATSUNAMI, Sotaro KARAKAMA
Filed: 29 Jun 20
Utility
Direction Detection Device, Method of Acquiring Intensity Difference Table, Direction Detection Method, and Computer-readable Storage Medium
20 Oct 22
A direction detection device includes: antennas that receive a received wave; an intensity difference imparting unit that imparts intensity differences different depending on the received-wave arrival direction to intensities of the received wave; a storage unit that stores an intensity difference table in which the intensity difference between two of the antennas is associated with the received-wave arrival direction, for each combination of any two of the antennas; a detector that detects an intensity difference between the two antennas and a phase difference between the two antennas, of the received wave; an extractor that extracts, from the table, a received-wave arrival direction corresponding to the detected intensity difference, for each combination; a calculation unit that calculates a received-wave arrival direction corresponding to the detected phase difference; and a comparator that compares the extracted received-wave arrival direction with the calculated received-wave arrival direction to acquire a matched received-wave arrival direction.
Noriyasu KATO
Filed: 14 Mar 22
Utility
Direction Detection Device, Method of Acquiring Intensity Difference Table, Direction Detection Method, and Computer-readable Storage Medium
20 Oct 22
A direction detection device for detecting a received-wave arrival direction of a received wave, and includes: antennas for receiving the received wave; an intensity difference imparting unit that imparts intensity differences different depending on the received-wave arrival direction to intensities of the received wave; a storage unit that stores an intensity difference table an which the intensity difference between two of the antennas is associated with the received-wave arrival direction, for each combination of any two of the antennas; a detector that detects the intensity difference between the two antennas of the received wave; an extractor that extracts, from the intensity difference table, received-wave arrival directions corresponding to the intensity difference detected by the detector, for each combination; and a comparator that compares the received-wave arrival directions extracted by the extractor between the combinations of the antennas to acquire a matched received-wave arrival direction as a detection result.
Noriyasu KATO
Filed: 14 Mar 22
Utility
Low Toughness Workpiece Cutting Apparatus, Low Toughness Workpiece Manufacturing Method and Recording Medium Storing Low Toughness Workpiece Manufacturing Program
20 Oct 22
A low toughness workpiece cutting apparatus, a low toughness workpiece manufacturing method and a low toughness workpiece manufacturing program for predicting an occurrence of defect and/or non-occurrence of defect before a cutting process of low toughness material.
Yukio NAIKI, Shiro NAGAMI, Keigo MATSUNAGA, Koji MIZUTANI, Eiji SHAMOTO, Takehiro HAYASAKA, Shota YOSHINO
Filed: 15 Jan 21
Utility
Polarization Direction Measuring Device, Method of Acquiring Intensity Ratio Tables, Polarization Direction Measuring Method, and Computer-readable Storage Medium
20 Oct 22
A device for measuring a polarization direction of a linearly polarized received wave with circularly polarized antennas includes an intensity ratio providing unit that provides, to the antennas, intensity ratios different depending on an arrival direction for the received wave; a storage unit that stores a first table in which an intensity ratio of a vertically polarized component of the received wave between two of the antennas is associated with the arrival direction and a second table in which an intensity ratio of a horizontally polarized component of the received wave between the two antennas is associated with the arrival direction; a detector that acquires an intensity ratio of the received wave; an acquiring unit that acquires the arrival direction; and an arithmetic unit that calculates the polarization direction of the received wave based on the acquired intensity ratio and the intensity ratios of the vertically and horizontally polarized components.
Noriyasu KATO
Filed: 15 Mar 22