1801 patents
Page 14 of 91
Utility
Three-dimensional additive manufactured product and three-dimensional additive manufacturing method
18 Jul 23
A three-dimensional additive manufactured product includes a body portion and a male screw portion integrally disposed on a surface of the body portion so as to protrude therefrom.
Masaki Adachi, Akira Ogawara, Katsuhiko Nakamura
Filed: 25 Sep 18
Utility
Ammonia decomposition facility, gas turbine plant equipped with same, and ammonia decomposition method
18 Jul 23
An ammonia decomposition facility includes a heating medium line configured to flow a heating medium heated by heat generated by a gas turbine, an ammonia supply line configured to flow ammonia, an ammonia decomposition device, and an ammonia removal device.
Hidefumi Araki, Satoshi Tanimura, Masakazu Nose, Jun Sasahara, Hideyuki Uechi, Yukio Tanaka, Atsushi Yuasa
Filed: 13 Mar 20
Utility
Gas turbine combustor
18 Jul 23
A gas turbine combustor includes a burner composed of a fuel nozzle group having a plurality of fuel nozzles for fuel supply, a fuel nozzle plate structurally supporting the fuel nozzles and serving to distribute the fuel flowing from an upstream side to the fuel nozzles, and a perforated plate located downstream of the fuel nozzles and having nozzle holes corresponding to the fuel nozzles.
Satoshi Kumagai, Yoshihide Wadayama, Keisuke Miura
Filed: 12 Jan 21
Utility
Unit space update device, unit space update method, and program
18 Jul 23
A unit space update device, which generates a unit space, includes: a detection value acquisition unit which acquires a bundle of detection values detected at a constant cycle; and a deletion processing unit which deletes one bundle from the bundles of the detection values constituting the unit space, when adding the bundle of the detection values to the unit space.
Ichiro Nagano, Mayumi Saito, Keiji Eguchi
Filed: 5 Nov 19
Utility
Wing, flying object, and method for manufacturing a wing
11 Jul 23
A wing includes: a main structural member; a leading-edge member formed of material with a coefficient of linear thermal expansion different from that of material of the main structural member; an eccentric bushing that has a circular through-hole and is shaped in a cylindrical shape; and a coupling member.
Yu Kanazawa, Kenta Katsunaga, Koji Ogimura
Filed: 19 Apr 21
Utility
Rotary electric machine with two-pole rotor and three-phase armature winding
11 Jul 23
A rotary electric machine comprises a two-pole rotor, a three-phase armature winding, and a stator core having fifty-four slots.
Kazuhiko Takahashi, Harumasa Tsuchiya
Filed: 13 Jan 21
Utility
Journal Bearing and Rotary Machine
6 Jul 23
Provided are a journal bearing and a rotary machine, including: a housing that has an annular shape and is disposed around a rotating shaft; a plurality of bearing pads that are disposed between the housing and the rotating shaft to be spaced from each other at predetermined intervals in the circumferential direction of the housing; and a support that supports at least one end of each bearing pad in the axial direction of the rotating shaft to allow the each bearing pad to swing in the housing about an axis serving as a fulcrum in parallel to the axial direction.
Shimpei YOKOYAMA, Yoshitomo NODA, Chihiro YOSHIMINE, Takuzo SHIGIHARA
Filed: 13 Apr 21
Utility
Method of Disassembling Steam Generator
6 Jul 23
A method of disassembling a steam generator including a body portion, a water chamber, a tube plate and a plurality of heat transfer tubes, the method includes: a step of obtaining a disassembly target including the tube plate and a part of the heat transfer tubes; a step of specifying the heat transfer tube fixed to the tube plate; a step of releasing fixation between the part of the heat transfer tube and the tube plate; and a step of pulling out the part of the heat transfer tube from the through-hole, in the step of releasing the fixation, the TIG heating head is inserted from the primary region side, and in the step of releasing the fixation, the TIG heating head is moved to a plurality of streaks only in a direction from the primary region side to the secondary region side.
Reiko Ueno, Takeshi Yamamoto, Yuki Kobayashi, Daisuke Hara, Masaki Noda, Kohei Tada
Filed: 26 Apr 22
Utility
Life Consumption Estimation Device
6 Jul 23
A life consumption estimation device for estimating life consumption of at least one part of a gas turbine includes: a predicted air temperature information acquisition unit configured to acquire predicted air temperature information regarding a future air temperature; a predicted load information acquisition unit configured to acquire predicted load information regarding a future load of the gas turbine; a gas turbine state quantity estimation unit configured to estimate at least one gas turbine state quantity regarding a future state quantity of the gas turbine, on the basis of predicted air temperature information acquired by the predicted air temperature information acquisition unit and the predicted load information acquired by the predicted load information acquisition unit; and a life consumption estimation unit configured to estimate the life consumption of the at least one part, on the basis of the gas turbine state quantity estimated by the gas turbine state quantity estimation unit.
Takahiro YAMAUCHI, Toshihiko NIINOMI, Satoru MOURI
Filed: 17 Jun 21
Utility
Ultrasonic Inspection Method, Ultrasonic Inspection Apparatus, and Computer Program
6 Jul 23
To further reduce the computational load in an inspection process of ultrasonic inspection of an inspection target.
Kyohei HAYASHI, Masakazu KAMIBAYASHI
Filed: 29 Jul 21
Utility
Fluid machine
4 Jul 23
A fluid machine includes: a shaft portion; a shroud surrounding the shaft portion and including an inside surface that forms a flow path-forming surface defining a flow path with the shaft portion; a first propeller rotatably provided in the flow path; a second propeller rotatably provided on a downstream side of the first propeller in the flow path; and a motor including a rotor that is fixed to an outer circumferential portion of the second propeller and that is accommodated in the shroud, and a stator that surrounds the rotor via a clearance and that is fixed in the shroud.
Wataru Yamada, Hideyuki Kudo, Shinichi Isobe, Shigeki Senoo
Filed: 26 May 22
Utility
Propulsion device
4 Jul 23
A propulsion device includes: a duct in which a flow path extending in a direction of an axis; a fan which is provided with a) an outer peripheral ring formed in an annular shape surrounding the axis and installed to be relatively rotatable around the axis with respect to the duct, b) a plurality of fan blades arranged at intervals in a circumferential direction such that each blade is extended from the outer peripheral ring toward the inside of the flow path, and c) an inner peripheral ring formed in an annular shape being connected radially inner end portions of the plurality of fan blades and in which an air flow passage is formed so that air flows therethrough in the direction of the axis; and a motor which drives the fan to rotate around the axis.
Kai Karikomi, Yuki Morisaki, Kazuki Hosono, Junji Iwatani
Filed: 4 Jan 22
Utility
Scramjet engine and flying object
4 Jul 23
A scramjet engine includes first and second flow path forming members and first and second fuel injection devices.
Masaharu Nakamura, Akihiko Tsunemi, Takuto Haniu
Filed: 13 Jul 18
Utility
Bearing device, rotating machine, and nozzle
4 Jul 23
A bearing device includes: a rotary shaft being rotatable around an axis; a bearing pad that supports an outer peripheral surface of the rotary shaft; a nozzle that is disposed on an upstream side of the bearing pad in a rotational direction of the rotation shaft and has a supply hole; a pair of side plates that face the outer circumferential surface of the rotation shaft on an upstream side of the nozzle in the rotational direction and are disposed on both sides of the nozzle in the axial direction, the pair of side plates having a discharge hole; and a guide surface that faces the upstream side in the rotation direction and extends in the axial direction over an entire length of the bearing pad in the axial direction, wherein the guide surface is circumferentially positioned between the supply hole and the discharge hole.
Takuzo Shigihara, Shuichi Isayama, Chihiro Yoshimine, Shimpei Yokoyama, Yuichiro Waki
Filed: 17 Dec 19
Utility
Solid fuel burner, boiler equipment, nozzle unit for solid fuel burner, and guide vane unit
4 Jul 23
A solid fuel burner to be inserted into a burner throat bored in a wall portion of a furnace, comprising: a solid fuel nozzle for ejecting mixed fluid of solid fuel and primary air; a secondary air nozzle for ejecting secondary air; a tertiary air nozzle for ejecting tertiary air; a secondary air guide member for guiding a flow of the secondary air outwardly in a radial direction; and one or more tertiary air guide members for guiding a flow of the tertiary air outwardly in the radial direction at a first angle with respect to a central axis (C) of the solid fuel burner, wherein a distal end position (X2) of each of the tertiary air guide members in an axial direction of the solid fuel burner is at a closer side of the furnace than a distal end position (X1) of the secondary air guide member.
Kenji Kiyama, Kenichi Ochi, Shohei Mito, Kosuke Kitakaze, Toshihiko Mine
Filed: 23 Apr 20
Utility
Burner, combustor including same, and gas turbine
4 Jul 23
A burner comprises: at least one mixing tube extending inside a fuel plenum and having an interior configured to be supplied with an air; and a plurality of fuel injection holes for injecting a fuel supplied to the fuel plenum into the interior of the at least one mixing tube.
Katsuyoshi Tada
Filed: 22 Jan 20
Utility
Diagnosis Apparatus, Diagnosis Method, and Diagnosis Program for Valve System
29 Jun 23
A diagnosis apparatus for a valve system including a control valve, a servo valve for driving the control valve, and at least one servo module for providing a control signal based on an opening degree command value for the control valve to the servo valve is provided with: at least one opening degree detection part configured to detect an actual opening degree of the control valve; and a diagnosis part configured to acquire, from the opening degree detection part, a detected value of the actual opening degree of the control valve while a diagnostic opening degree command value is input to the at least one servo module, and diagnose an abnormality of the valve system on the basis of the detected value.
Susumu SEKINE, Tomoyuki KOJIMA, Hirofumi OHARA, Hiromitsu MORI
Filed: 24 Aug 21
Utility
Diagnosis Device, Diagnosis Method, and Diagnosis Program
29 Jun 23
Provided is a diagnosis device that can determine the status of an anomaly besides the presence of an anomaly of a driven member.
Kyota Tokuyama, Ichiro Awaya, Tomohiro Ikawa, Junya Takida, Kimihito Obase, Genki Nakai
Filed: 24 May 21
Utility
Welding Device and Welding Method
29 Jun 23
Provided are a welding device and a welding method that can realize efficient welding in terms of time and in terms of energy.
Ryota OZAKI, Sho YAMAGUCHI, Jun MATSUOKA, Tomoya IWANAGA
Filed: 21 Jun 22
Utility
Control Device, Granular Material Supply System, Control Method, and Program
29 Jun 23
In a granular material supply system including a tank that stores granular material, a carrier line through which the granular material flowing out of the tank is carried to a carrier destination, and a cutout line that connects the tank and the carrier line and through which the granular material flowing out of the tank is supplied to the carrier line, a control device includes a density control unit configured to control a density of the granular material on a downstream side of a junction of the cutout line and the carrier line to a set value predetermined and a flow rate control unit configured to control a flow rate of the granular material to be supplied to the carrier destination through the carrier line to a command value instructed by the carrier destination.
Takaharu Hiroe, Kazunari Ide, Akihiko Saito, Kei Moriyama
Filed: 21 Dec 22