1801 patents
Page 17 of 91
Utility
Composite Material Blade, Rotating Machine, and Method for Molding Composite Material Blade
27 Apr 23
This composite material blade, which is formed using a composite material including reinforcing fibers and resin, and which has a positive pressure surface and a negative pressure surface, is provided with a ventral part, being the part on the positive pressure surface side in a blade thickness direction, which is the direction joining the positive pressure surface and the negative pressure surface, a dorsal part, being the part on the negative pressure surface side in the blade thickness direction, and a metal shield portion which is provided on the leading edge side, being the upstream side in a flow direction in which a fluid flows, wherein: the metal shield portion includes a main body portion provided on the leading edge side, and an embedded portion which is provided on the trailing edge side, being the downstream side in the flow direction, of the main body portion, and which is provided between the ventral part and the dorsal part; and the plate thickness of the metal shield portion in the blade thickness direction decreases from the main body portion toward the embedded portion.
Masami KAMIYA, Ryoji OKABE, Kentaro SHINDO, Takahiro TACHIBANA
Filed: 22 Feb 21
Utility
Gas Turbine
27 Apr 23
A gas turbine includes a rotor that is rotatable about an axis, a casing configured to cover the rotor in a circumferential direction and having an annular space therein, a compressor configured to generate a high pressure of compressed air obtained by compressing external air and send the compressed air into the casing, a plurality of combustors disposed in the casing at equal intervals in the circumferential direction of the rotor and configured to combust the compressed air and fuel taken in from the casing to generate a combustion gas, a turbine driven by the combustion gas, and an air introduction passage defined by a partition plate configured to divide the space in the casing in the circumferential direction of the rotor and an inner circumferential surface of the casing and configured to introduce the compressed air in the casing into the combustor.
Takaharu Hiroe, Kazunari Ide
Filed: 20 Oct 22
Utility
Blade Set and Blisk
27 Apr 23
A blade set of the present disclosure is exposed to a working fluid, which includes a blade main bodies which are disposed at intervals in a circumferential direction about an axis and each extending in a radial direction with respect to the axis wherein a tip end surface is formed on an outer circumferential side of each blade main body and the tip end surface of the blade main body includes a leading edge side region positioned on an upstream side in a flow direction of the working fluid along the axis and a trailing edge side region positioned on a downstream side in the flow direction, and a shroud which is provided on an outer circumferential side of the blade main bodies and covering either the leading edge side regions or the trailing edge side regions of the blade main bodies.
Toshio Watanabe, Yuya Fukuda, Shigeki Senoo
Filed: 24 Oct 22
Utility
Control Parameter Optimization Device, Plant, and Control Parameter Optimization Method
27 Apr 23
A control parameter optimization device is provided with: a plant model configured to calculate a control command value by a control device and a process quantity of a plant; a control parameter updating unit configured to update a control parameter used for calculating the control command value in the plant model, on the basis of an objective function calculated based on a calculation result of the process quantity in the plant model; and a structural model configured to calculate a clearance between a stationary member and a rotating member in the rotating machine, on the basis of the process quantity from the plant model.
Yoshito Nagahama, Takaharu Hiroe, Kazunari Ide, Ryo Sase, Hiroshi Ito, Norikazu Tezuka, Yukihito Okuda, Nobuhiro Osaki, Shota Mochizuki, Shoichiro Hosomi
Filed: 18 Feb 21
Utility
Fuel Cell Power Generation System
27 Apr 23
A fuel cell power generation system includes: a fuel cell; at least one compressor disposed on an oxidant supply line for supplying an oxidizing gas to the fuel cell; a first motor configured to drive a first compressor among the at least one compressor; and at least one power converter disposed between the first motor and a power grid, and capable of adjusting a torque of the first motor.
Yasushi Iwai, Norihisa Matake, Hiroyuki Ozawa, Yoshiki Kato, Nagao Hisatome
Filed: 18 Feb 21
Utility
Molding Jig and Molding Method
27 Apr 23
A molding jig for molding a laminate, which includes reinforced fiber sheets laminated on each other, extends in the length direction, and has a cross-sectional shape having a curved portion in a cross section obtained by cutting the laminate on a plane orthogonal to the length direction, into a three-dimensional shape having a bent portion in the length direction.
Kodai SHIMONO, Hiroshi TOKUTOMI
Filed: 10 Feb 20
Utility
Heat exchanger and replacement method of heat exchange core
25 Apr 23
A heat exchanger according to one embodiment includes: a heat exchange core; a shell provided to surround the heat exchange core; and a first partition wall that is provided in a space surrounded by an outer surface of the heat exchange core and an inner surface of the shell, and partitions the space into a first header space communicating with the heat exchange core and a second header space communicating with the heat exchange core.
Keisuke Yoshida, Takeshi Kaneko, Koichi Tanimoto, Hiroyuki Nakaharai, Yoichi Uefuji, Nobuhide Hara, Kenji Kirihara, Masahiko Nagai, Koichiro Iida, Yuta Takahashi, Shunsaku Eguchi
Filed: 13 Jan 22
Utility
Parking Control System, Parking Control Method, and Non-transitory Computer-readable Medium
20 Apr 23
A parking control system of a parking facility, the parking control system including: an acquisition unit configured to acquire behavior information on a user; an estimation unit configured to, based on the behavior information, estimate a probability of vehicle exit performed by the user; and an execution unit configured to, based on the probability, perform a process related to vehicle exit in the parking facility.
Yoshinao Takakuwa, Daisuke Fukushima, Tomohiko Katou, Akira Hanashima, Kenta Okutani
Filed: 19 Oct 22
Utility
Heat Exchanger Core, Heat Exchanger, Maintenance Method for Heat Exchanger Core, and Producing Method for Heat Exchanger Core
20 Apr 23
A heat exchanger core according to at least one embodiment is provided with: a core body having a plurality of cavity portions forming a plurality of channels inside the core body; and a header including a header passage communicating with the plurality of channels on at least one end side of the core body.
Hiroyuki NAKAHARAI, Koichi TANIMOTO, Yoichi UEFUJI, Nobuhide HARA, Takuo ODA, Masaya HATANAKA, Shunsaku EGUCHI
Filed: 24 Feb 21
Utility
Parking Control System, Parking Control Method, and Non-transitory Computer-readable Medium
20 Apr 23
A parking control system configured to perform a motion process to move a vehicle between a stopping area in which at least any one of getting in the vehicle and getting out of the vehicle is performed and a parking area in which a vehicle is parked, the parking control system including: a buffer control unit configured to perform a motion process to move a vehicle between the stopping area and a buffer section capable of having a plurality of vehicles arranged in the parking area; and motion process to move a vehicle between the buffer section and a parking section capable of having a plurality of vehicles arranged in the parking area including a region farther than the buffer section from the stopping area.
Yoshinao Takakuwa, Daisuke Fukushima, Tomohiko Katou, Akira Hanashima, Kenta Okutani
Filed: 19 Oct 22
Utility
Axial flow turbine
18 Apr 23
To provide an axial flow turbine that can reduce circumferential pressure differences to reduce loss.
Shigeki Senoo, Kazuhiro Momma
Filed: 10 Dec 19
Utility
Method for evaluating structure used for nuclide transmutation reaction, evaluation device, structure manufacturing device provided with same, and nuclide transmutation system
18 Apr 23
A method for evaluating a structure is disclosed, the structure including a base material containing at least one kind of metal selected from the group consisting of hydrogen storage metals and hydrogen storage alloys, an intermediate layer provided on the base material and stacked alternately with a first layer containing low work function substances relatively lower in work function than the metal and a second layer containing the metal, and a surface layer provided on the intermediate layer and containing the metal, wherein the method includes measuring a change in polarization between incident light and reflected light by irradiating the surface layer with light, while holding the structure at a predetermined temperature, and comparing a measurement value of the change in polarization with a threshold of a change in polarization of a structure prepared in advance and evaluating a soundness of the structure based on comparison results.
Shigenori Tsuruga
Filed: 3 Apr 18
Utility
Rotating machine
18 Apr 23
A rotating machine includes a casing having a hollow shape; a rotator 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 rotator while being displaced from the stator blade in an axial direction of the rotator; a sealing device disposed between the inner peripheral portion of the casing and a tip of the rotor blade; a swirling flow generation chamber provided along a circumferential direction of the rotator on a downstream side of the sealing device in the casing in a fluid flow direction; and guiding members provided at predetermined intervals in the swirling flow generation chamber in the circumferential direction of the rotator.
Yoshihiro Kuwamura, Chongfei Duan, Hideaki Sugishita, Kazuyuki Matsumoto, Hideki Ono, Kiyoshi Segawa, Hisataka Fukushima
Filed: 13 Nov 19
Utility
Flying body
18 Apr 23
A flying body, which prevents others from measuring precise position of the flying body and allows friends to measure precise position of the flying body, is provided.
Koichi Hamamoto
Filed: 11 Dec 17
Utility
Sign Detection Device and Sign Detection Method
13 Apr 23
Tomohito NAKAMORI, Keisuke MATSUYAMA, Takuya KUROSAKA, Hiroshi GOTODA, Natsumi KIKUTA
Filed: 5 Oct 22
Utility
Oil Deterioration Detection Device, Oil Deterioration Detection System, and Oil Deterioration Detection Method
13 Apr 23
An oil deterioration detection device performs an analysis based on impedances at at least three first specific frequencies selected from a first frequency range to calculate an arc of impedance on a Nyquist diagram, the impedances being measured by applying an AC voltage at the at least three first specific frequencies to counter electrodes when oil to be evaluated passes between the counter electrodes, and when the calculated arc is larger than a reference arc calculated in advance of the oil to be evaluated by a predetermined value or larger, determines that moisture is mixed and calculates the amount of moisture based on the shape of the calculated arc.
Ikumi WATANABE, Toshiyasu KIYABU, Akihiko YANO
Filed: 4 Oct 22
Utility
Signal Processing Method and Device for Ultrasonic Inspection and Thickness Measuring Method and Device
13 Apr 23
A signal processing method for ultrasonic inspection includes: a step of generating ultrasonic waves by driving an ultrasonic probe by using a plurality of burst wave signals with different frequencies, respectively, and causing the ultrasonic waves to inject an inspection target; a receiving step of receiving a plurality of multiple reflected waves corresponding to the plurality of burst wave signals having injected the inspection target, respectively; a step of obtaining a plurality of detection signals by executing detection processing of receiving signals of the plurality of multiple reflected waves corresponding to the plurality of burst wave signals, respectively; and a generating step of generating an inspection signal for obtaining an inspection result related to the inspection target by using the plurality of detection signals.
Keiichi Morishita, Kenji Iizuka, Kentaro Jinno
Filed: 10 Feb 21
Utility
Nuclear Reactor and Control Method for Nuclear Reactor
13 Apr 23
Heat can be stably extracted with easy criticality control.
Wataru Nakazato, Hideaki Ikeda, Takashi Hasegawa, Nozomu Murakami, Tadakatsu Yodo, Shohei Otsuki, Satoru Kamohara, Shota Kobayashi, Yasutaka Harai, Yutaka Tanaka, Takafumi Noda, Kazuhiro Yoshida, Hideyuki Sakata, Hironori Noguchi, Hideyuki Kudo, Tatsuo Ishiguro
Filed: 19 Oct 20
Utility
Power-receiving-module-type Telemeter Transmitter, Telemeter Measuring System, Rotary Machine, and Telemeter Transmission Method
13 Apr 23
A power-receiving-module-type telemeter transmitter of a telemeter measuring system that is provided in a rotor and that performs communication using power received from a power transmitting antenna formed in an arc shape on a stator side, includes: a plurality of power receiving modules disposed in the rotor at intervals in a circumferential direction; an OR circuit that outputs a highest voltage among voltages input from the plurality of power receiving modules; a sensor that measures a state of a monitoring target and that outputs measurement data indicating the state; and a transmitting unit that is driven by the voltage input from the OR circuit as a power source and that transmits a radio signal including the measurement data of the sensor.
Kenji Iizuka, Keiichi Morishita, Naoki Oyama, Jun Yasui
Filed: 24 Mar 21
Utility
Forming Device and Forming Method
13 Apr 23
A forming device includes: a forming jig extending along an axial direction; a forming die having a shape corresponding to a top part region and a wall part region of the forming jig; and a movement mechanism that moves the forming die so as to approach a bottom part region along a height direction HD.
Homare YAMATO, Masahiko SHIMIZU, Shoya MANO, Toshiki KITAZAWA, Hideki HORIZONO
Filed: 31 Jul 20