1801 patents
Page 19 of 91
Utility
Seal segment and rotating machine
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
Switching Valve, Electro-hydrostatic Circuit, and Aircraft
23 Mar 23
A switching valve includes a sleeve on which a plurality of ports are disposed; a spool that is disposed inside the sleeve to move in an axial direction by a pilot hydraulic pressure to switch between switching lines each serving as a flow channel for hydraulic fluid that is formed by a combination of the ports; a first energizing unit that energizes the spool against the pilot hydraulic pressure; a relief hole that is disposed on the spool to discharge the hydraulic fluid with the pilot hydraulic pressure; a valve body that closes the relief hole; and a second energizing unit that energizes the valve body toward the relief hole of the spool against the pilot hydraulic pressure, and when the pilot hydraulic pressure exceeds a predetermined value, opens the relief hole.
Motoyasu TAKEUCHI, Toshinori ABE, Kazuyuki SUZUKI, Hideki NIWA
Filed: 17 Dec 20
Utility
Heat Exchanger Core and Heat Exchanger
23 Mar 23
In a header of a heat exchanger core, a header passage includes: at least one radial passage extending along a radial direction, and a plurality of circumferential passages branched from each radial passage and communicating with one or more of the axial passages, respectively.
Hiroyuki NAKAHARAI, Nobuhide HARA, Yoichi UEFUJI, Koichi TANIMOTO, Masaya HATANAKA, Shunsaku EGUCHI, Takuo ODA
Filed: 24 Feb 21
Utility
Learning Device, Communication Device, Unmanned Vehicle, Wireless Communication System, Learning Method, and Computer-readable Storage Medium
23 Mar 23
A learning device includes a setting unit configured to set a first value for a parameter of a communication device controlled by a computer using a learned model; a reinforcement learning unit configured to allow a learning model to learn; a model extraction unit configured to extract, as a learned model, the learning model; a model evaluation unit configured to determine whether performance of the learned model has reached first requirement; an updating unit configured to update the first value to a second value when the performance is determined to have reached the first requirement; and a model selection unit.
Yujiro KATAOKA, Masayuki ITO, Natsuki MATSUNAMI
Filed: 15 Sep 22
Utility
Heat Exchanger
23 Mar 23
A heat exchanger includes: a pipe forming a flow path through which a first fluid is fed; a pair of partition plates provided at an interval in an extending direction of the flow path to block the flow path, to partition a closed space at a portion of the flow path; a plurality of heat transfer tubes having a tubular shape with both ends being open, extending so as to penetrate the pair of partition plates, and arranged side by side with intervals therebetween; a feeding part configured to feed a second fluid from an outside of the pipe to the closed space; and a discharging part configured to discharge the second fluid in the closed space to the outside of the pipe.
Nobuhide HARA, Koichi TANIMOTO, Shigeki SENOO, Koichiro IIDA
Filed: 15 Oct 21
Utility
Composite Material Processing Apparatus and Composite Material Processing Method
23 Mar 23
An object is to improve the quality of a processed composite material without reducing the processing rate.
Saneyuki GOYA, Junichiro MIYAGAKI, Jiro YONEDA, Ryuichi NARITA, Hirotoshi TAGATA
Filed: 18 Jul 22
Utility
Heat Exchanger Core
23 Mar 23
A heat exchanger core includes a core formed such that a pair of adjacent passages are folded on top of one another while being adjacent.
Shunsaku EGUCHI, Nobuhide HARA, Hiroyuki NAKAHARAI, Yoichi UEFUJI, Masaya HATANAKA, Takuo ODA, Koichi TANIMOTO
Filed: 24 Feb 21
Utility
Electro-hydrostatic Circuit and Aircraft
23 Mar 23
An electro-hydraulic circuit includes a supply line that connects between a hydraulic supply device that supplies hydraulic fluid and a driving part to be driven by a hydraulic pressure of the hydraulic fluid; a switching valve disposed in the supply line to switch between switching lines for the hydraulic fluid supplied to the driving part; a pilot hydraulic line connected to the switching valve to supply the hydraulic fluid for switching between the switching lines; a check valve disposed in the pilot hydraulic line; a solenoid valve disposed in the pilot hydraulic line to change a supply state of the hydraulic fluid to the switching valve; a sealing material disposed in the switching valve to seal the hydraulic fluid; and a relief valve disposed in the pilot hydraulic line to release the pilot hydraulic pressure
Motoyasu TAKEUCHI, Toshinori ABE, Kazuyuki SUZUKI, Hideki NIWA
Filed: 17 Dec 20
Utility
Data processing system, data processing method, and program
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
Turbine
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
Assembly or disassembly method for steam turbine casing
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
Wireless Tag for Sensor Control, Mobile Object, and Inspection System
16 Mar 23
A wireless tag for sensor control is connected to a sensor and configured to control execution of measurements using the sensor.
Shigeru YOSHIDA, Masaki HONDA, Gen SAKASHITA, Ryo HASHIMOTO
Filed: 6 Jan 21
Utility
Fastener, Fastening Structure, and Method of Designing Fastener
16 Mar 23
Provided are a fastener that can reduce the fastener weight, decrease body shear fracture, and avoid slip of a nut part and damage of the body due to the slip.
Kohei YOSHIDA, Kazuhiro MIURA, Takeshi FUJITA
Filed: 1 Sep 22
Utility
Heat Exchanger Passage Switching Device
16 Mar 23
A heat exchanger passage switching device according to an embodiment includes: a communication tube having an internal passage communicating with a heat exchange passage for performing heat exchange inside a heat exchanger, and one or more communication holes communicating with the internal passage; and at least one chamber having an insertion hole into which the communication tube is inserted to slidably support the communication tube inserted in the insertion hole.
Yasuaki KANEKO, Nobuhide HARA, Hiroyuki NAKAHARAI, Yoichi UEFUJI, Masaya HATANAKA, Koichi TANIMOTO, Toshiyuki ISHIDA, Takuo ODA, Shunsaku EGUCHI
Filed: 24 Feb 21
Utility
Visual Recognition System and Visual Recognition Method
16 Mar 23
A visual recognition system configured to display an unreceived-signal sensor among a plurality of sensors that are inspection targets includes: a reception unit configured to be capable of receiving a sensor output transmitted from each of the plurality of sensors, the sensor output including identification information on the sensor; an unreceived-signal sensor identification unit configured to identify, among the plurality of sensors, the unreceived-signal sensor, the sensor output from which has not been received by the reception unit; and a display unit configured to display the unreceived-signal sensor identified by the unreceived-signal sensor identification unit, to be visually recognizable by a viewer.
Masaki HONDA, Gen SAKASHITA, Tomohiro HIGUCHI
Filed: 8 Sep 22
Utility
Composite Material Structure
16 Mar 23
This composite material structure is provided with: a first composite material that is obtained by stacking a plurality of first composite material sheets, each of which is obtained by impregnating electroconductive first reinforcing fibers with a first resin; a second composite material which is obtained by impregnating electroconductive second reinforcing fibers with a second resin; an insulating bonding layer that is arranged between the first composite material and the second composite material, thereby bonding the first composite material and the second composite material to each other; and an electroconductive member that connects the plurality of first composite material sheets.
Atsuma UNO, Tomoo TAKIZAWA, Hiroaki YAMAGUCHI, Atsushi OKADA, Shunsuke YOSHINO, Toshinobu MURAKI
Filed: 15 Jan 21
Utility
Heat Exchanger, Method of Producing Heat Exchanger, and Method of Confirming Blockage of Heat Exchanger
16 Mar 23
A heat exchanger for heat exchange between a first fluid and a second fluid is provided with: a body part which is an additive manufactured body and includes a first passage through which the first fluid flows and a second passage through which the second fluid flows; and a covering part attached to the body part.
Masaya HATANAKA, Hiroyuki NAKAHARAI, Nobuhide HARA, Yoichi UEFUJI, Shunsaku EGUCHI, Takuo ODA, Koichi TANIMOTO, Masashi KITAMURA, Tanehiro SHINOHARA
Filed: 24 Feb 21
Utility
Rotary Electric Machine and Method of Manufacturing Rotary Electric Machine
16 Mar 23
An axial-gap coreless rotary electric machine includes rotors, stators, and a case.
Shinichi ISOBE, Masahiko EZUMI, Mikito SASAKI, Masahiro NII
Filed: 18 Jan 21
Utility
Computing Device and Computing Method
16 Mar 23
A computing device includes: a tomographic image acquisition unit that acquires a plurality of tomographic images representing shapes of reinforcing fibers and shapes of resin in a plurality of cross sections obtained when an article containing the reinforcing fibers and the resin is divided in parallel; and a computing unit that calculates a rigidity parameter of each of a plurality of small regions obtained by dividing the article, based on the plurality of acquired tomographic images.
Shunsuke Taba, Kazuhiro Miura, Takayuki Shimizu
Filed: 16 Feb 21
Utility
Target Tracking Device and Storage Medium Storing Target Tracking Program
16 Mar 23
A target tracking device to estimate a position of a target with high accuracy will be provided.
Tomoaki Usuki
Filed: 18 Feb 22