1801 patents
Page 48 of 91
Utility
Multistage axial compressor and gas turbine
14 Dec 21
A multistage axial compressor includes: a rotational shaft to which a plurality of rotor blades are mounted; a casing surrounding the rotational shaft, the casing forming a flow passage of a working fluid between the rotational shaft and the casing; a wall portion having an annular shape and extending in a circumferential direction of the rotational shaft so as to surround the casing, the wall portion forming an bleed chamber having an annular shape and being in communication with the flow passage; a plurality of port portions connected to an outer peripheral surface of the wall portion, the port portions forming respective outlet flow passages which are in communication with the bleed chamber; and a plurality of bleed pipes connected to the respective port portions.
Daisuke Morita
Filed: 3 Mar 17
Utility
Gas turbine system
14 Dec 21
A turbine-cooling system of a gas turbine system includes a first intra-vane flow passage defined in a first stator vane so as to penetrate the first stator vane in a radial direction, a second intra-vane flow passage defined in a second stator vane so as to penetrate the second stator vane in the radial direction, an intra-rotation-shaft flow passage connecting the first intra-vane flow passage and the second intra-vane flow passage in a rotation shaft, an extra-turbine flow passage connecting the first intra-vane flow passage and the second intra-vane flow passage, a boost compressor configured to make cooling air flow sequentially through the first intra-vane flow passage, the intra-rotation-shaft flow passage, the second intra-vane flow passage, and the extra-turbine flow passage, and a cooling unit configured to cool the cooling air.
Kuniaki Aoyama, Jo Masutani
Filed: 5 Apr 19
Utility
Co-rotating scroll compressor and assembly method therefor
14 Dec 21
Provided is a co-rotating scroll compressor comprising a synchronous drive mechanism that can achieve a long life.
Takuma Yamashita, Takahide Ito, Keita Kitaguchi, Makoto Takeuchi, Hirohumi Hirata
Filed: 2 Nov 18
Utility
Measurement system, rotary machine and measurement method for the same
14 Dec 21
A measurement system includes a stator-side unit and a rotor-side unit installed on the rotary machine.
Kenji Iizuka, Jun Yasui, Naoki Oyama
Filed: 27 Nov 19
Utility
Impeller back surface cooling structure and supercharger
14 Dec 21
An impeller back surface cooling structure for cooling a back surface of a compressor impeller of a supercharger includes: a first member facing a back surface of a compressor impeller via a gap; and a second member extending in a circumferential direction of the compressor impeller and forming, between the first member and the second member, a cooling passage through which a cooling medium being a liquid flows.
Satoshi Makino, Koichi Sugimoto, Fumito Hiratani, Yukihiro Iwasa, Yoshihisa Ono
Filed: 18 Jan 17
Utility
Swaging Device and Swaging Method
9 Dec 21
Provided is a swaging device including: an upper anvil that is disposed in a state in which the upper anvil faces an end surface of a head of a rivet; a lower anvil that is disposed in a state in which the lower anvil faces an end surface of a shaft portion of the rivet; and a pressurizing mechanism that generates a pressurizing force of causing a distance between the upper anvil and the lower anvil along an axial line to decrease and plastically deforms the rivet, in which an end surface of the upper anvil includes a bottom surface that perpendicularly intersects the axial line X and a support surface that has a projecting length in a direction of the axial line with respect to the bottom surface gradually increasing from an inner circumferential side toward an outer circumferential side in the radial direction formed therein, and an inclination angle of the support surface is smaller than an inclination angle of the inclined surface of the rivet by a predetermined angle.
Yuki TSUKIOKA, Akira IKADA, Michinobu TAKAHAGI
Filed: 2 Jun 21
Utility
Calibration Unit for Metal 3D Printer, Metal 3D Printer, and Built Part Molding Method
9 Dec 21
The present invention accurately detects the state of a radiated light beam.
Shuji TANIGAWA, Yasuyuki FUJIYA, Toshiya WATANABE, Masashi KITAMURA, Shuho TSUBOTA
Filed: 19 Aug 21
Utility
End Mill Inspection Device
9 Dec 21
An end mill inspection device, which inspects an end mill having a blade part formed in a curved convex shape or an arc shape, includes: an imaging data acquisition unit that acquires imaging data obtained by capturing an image of a blade part of the end mill by an imaging unit; a contour extraction unit that extracts the contour of the blade part on the basis of the imaging data acquired by the imaging data acquisition unit; and a curvature radius calculation unit that calculates a curvature radius of the contour on the basis of the contour of the blade part extracted by the contour extraction unit.
Jun ETO, Hirokazu UNNO
Filed: 24 Dec 19
Utility
Method for Producing Negative or Near-zero Thermal Expansion Member
9 Dec 21
A method for producing a negative or near-zero thermal expansion member using a first material and a second material having a smaller linear expansion coefficient than the first material, the method including: a preparation step (S1) for preparing a laminate in which a plurality of first plate materials comprising the first material and a plurality of second plate materials comprising the second material are alternately laminated; and an in-plane processing step (S2) for performing perforation processing on the second plate materials from a plurality of directions in an in-plane direction including a plane orthogonal to a lamination direction of the first plate materials and the second plate materials.
Hiroyuki SAKAMOTO, Hikaru KUROSAKI, Tomohiro ISHIDA
Filed: 25 Aug 21
Utility
Crack Sensor System
9 Dec 21
The present invention comprises: crack detection wiring (80) having a plurality of main element lines (A, B, C) in each of which one end is formed as a terminal (a, b, c) and in which the other ends are connected to each other, and an auxiliary element line (D) having a nearby element line portion (D1) that is provided in correspondence with at least one main element line (B) from among the plurality of main element lines (A, B, C) and that runs along the one main element line (B), and a distant element line portion (D2) that is connected to the nearby element line portion (D1) and that is more distant from the one main element line (B) than the nearby element line portion (D1); and a computation device (90) that performs a logic computation on the basis of the conduction state between a pair of terminals of the plurality of main element lines (A, B, C) and the conduction state of the auxiliary element line (D), thereby specifying the location of a disconnection in the main element lines (A, B, C).
Ryo YOSHINO
Filed: 24 Aug 21
Utility
Learning Device, Learning Method, and Program
9 Dec 21
Provided is learning device that is a learning device of a neural network model whose bond strength between multiple neurons is represented as a weighting coefficient.
Eriko SHINKAWA, Kenji TAKAO, Yusuke YAMASHINA
Filed: 28 Apr 21
Utility
Production method for a pultruded article
7 Dec 21
A method for producing a pultruded article includes: a step in which an activation sheet having a sliding surface capable of sliding with the inner surface of a mold is arranged on the surface of an intermediate molded article comprising reinforcing fibers that are impregnated with a thermosetting resin and the intermediate molded article and the activation sheet are introduced into a mold together; and a step in which a pultruded article generated by heating and hardening the intermediate molded article in the mold is pultruded together with the activation sheet from the mold.
Shunichi Morishima, Toshio Kozasa, Masatake Hatano, Kazuaki Kishimoto, Yukio Takeuchi, Masayuki Yamashita, Hitoshi Ojika
Filed: 26 Jun 17
Utility
Bearing pad for tilting-pad bearing, tilting-pad bearing, and rotary machine
7 Dec 21
A bearing pad for a tilting-pad bearing includes a first member having a bearing surface and a second member disposed on a back surface side of the first member.
Chihiro Yoshimine, Tanehiro Shinohara, Tadasuke Nishioka, Shimpei Yokoyama, Takuzo Shigihara
Filed: 1 Feb 18
Utility
Distance estimation device, mobile terminal, distance estimation method, and program
7 Dec 21
A phase rotation amount of each of subcarriers is calculated by calculating a difference between the first phase difference and the second phase difference between consecutive subcarriers included in radio signals, and performing phase addition processing based on the difference.
Jun Yasui, Keiichi Morishita
Filed: 27 Nov 19
Utility
Tooth Surface Shape Design Support Device, Gear Machining System, and Tooth Surface Shape Design Support Program
2 Dec 21
A tooth surface shape design support device for supporting design of a tooth surface shape of a gear includes a principal component shape data acquisition unit configured to acquire a plurality of principal component shape data obtained by performing principal component analysis on a tooth surface shape sample data group including a plurality of tooth surface shape sample data indicating samples of the tooth surface shape, and a tooth surface shape evaluation unit configured to evaluate a tooth surface shape defined by using the plurality of principal component shape data acquired by the principal component shape data acquisition unit.
Kensuke NISHIURA, Katsuhiko SHODA, Kazuma OTAKA
Filed: 31 Mar 21
Utility
Centrifugal Compressor and Turbocharger
2 Dec 21
A centrifugal compressor includes an impeller, a plurality of diffuser vanes arranged in a circumferential direction on a radially outer side of the impeller, and a housing which includes a scroll portion forming a scroll flow passage positioned on a radially outer side of the plurality of diffuser vanes.
Kenichiro Iwakiri
Filed: 22 Nov 18
Utility
Additive Manufacturing Method and Additive Manufacturing Apparatus
2 Dec 21
An additive manufacturing method according to at least one embodiment of the disclosure includes the steps of, forming a powder bed by supplying a raw material powder, and irradiating the raw material powder that forms the powder bed with a light beam having intensity distribution of a high-order mode that is the second order and higher order mode or of a top hat shape.
Ryuichi Narita, Shuji Tanigawa, Yasuyuki Fujiya, Claus Thomy, Dieter Tyralla, Thomas Seefeld
Filed: 8 Apr 21
Utility
Wind Turbine Blade and Wind Turbine
2 Dec 21
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
Centrifugal Compressor
2 Dec 21
A centrifugal compressor includes an impeller; a compressor cover including at least an inlet pipe portion having an intake air flow path formed for sending gas to the impeller; a movable member disposed inside the compressor cover so as to be movable along a direction of an axis of the impeller; and a movement mechanism configured to move the movable member along the direction of the axis of the impeller, the movement mechanism moving the movable member in the direction of the axis to bring the movable member and an inner wall surface of the compressor cover into contact with each other.
Yutaka FUJITA, Kenichiro IWAKIRI
Filed: 30 Apr 21
Utility
Thermocouple Mounting Structure and Thermocouple Mounting Method
2 Dec 21
A structure and a method for mounting thermocouple on an intermetallic compounds such as TiAl by suppressing occurrence of cracks are provided.
Makoto SAITO
Filed: 14 May 21