1801 patents
Page 82 of 91
Utility
Indicator Detection System and Indicator Detection Method
1 Apr 20
An indicator detection system includes: a data acquiring unit configured to acquire operation data of a machine and operation history data indicating an operation history of the machine; an estimation unit configured to calculate a first estimated value of a parameter of the machine which is to be monitored on the basis of the operation data, the operation history data and an estimation model for estimating a value of the parameter at a time point corresponding to the operation history data for the parameter; and a state evaluating unit configured to evaluate a state of the machine on the basis of a difference between the first estimated value of the parameter from the estimation unit and a measured value or a second estimated value of the parameter included in the operation data acquired by the data acquiring unit.
Makoto Kishi, Shintaro Kumano, Katsuhiko Abe, Keisuke Yamamoto, Yukihiko Inoue, Shun Niizuma
Filed: 22 Mar 18
Utility
Propellant tank for spacecraft and spacecraft
30 Mar 20
To provide a propellant tank such as a fuel tank and an oxidant tank for a spacecraft, the propellant tank discharging propellant such as liquid hydrogen and liquid oxygen accumulated therein toward a rocket engine by pressurizing an inside thereof by operating gas.
Keitaro Ishikawa, Taichi Aoyama, Kiyoshi Kinefuchi, Koichi Okita, Wataru Sarae
Filed: 17 Mar 16
Utility
HEAT TREATMENT METHOD FOR ADDITIVE MANUFACTURED Ni-BASE ALLOY OBJECT, METHOD FOR MANUFACTURING ADDITIVE MANUFACTURED Ni-BASE ALLOY OBJECT, Ni-BASE ALLOY POWDER FOR ADDITIVE MANUFACTURED OBJECT, AND ADDITIVE MANUFACTURED Ni-BASE ALLOY OBJECT
25 Mar 20
Masaki TANEIKE, Kosuke FUJIWARA, Hidetaka HARAGUCHI, Shuji TANIGAWA, Nobuhiko SAITO
Filed: 25 Mar 18
Utility
Multilayer Heat-insulating Material
25 Mar 20
Provided is a multilayer heat-insulating material which reduces a deterioration in heat-insulating performance at the periphery of a mounting means for mounting on a mounting subject and which facilitates deformation into a desired shape.
Atsushi MIYAGUCHI, Takeo SASAKI, Takafumi ISHIKAWA, Naoya HIRATA, Satoshi HIROTSU
Filed: 3 Jun 18
Utility
Blade Abnormality Detecting Device, Blade Abnormality Detecting System, Rotary Machine System, and Blade Abnormality Detecting Method
25 Mar 20
A blade abnormality detecting device has a vibration acquisition unit that acquires vibration of a steam turbine when a rotation speed of a rotor changes, along with the rotation speed, a frequency analysis unit that performs frequency analysis according to an acquisition result of the vibration acquisition unit, and acquires natural frequency in each rotation speed of a rotor blade row, a contact rotation speed acquisition unit that acquires a contact rotation speed, which serves as a boundary between a state where shrouds of neighboring rotor blades are in contact with each other and a state where the shrouds are spaced apart from each other, according to an analysis result of the frequency analysis unit, and a determination unit that determines whether or not the rotor blade row is abnormal according to the contact rotation speed acquired by the contact rotation speed acquisition unit.
Satoshi Saburi, Akihiro Nakaniwa, Takashi Sato
Filed: 19 Mar 18
Utility
Composite Blade and Method of Manufacturing Composite Blade
25 Mar 20
A composite blade includes an airfoil; and a blade root including a straight section from a blade end part being a connection location with the airfoil to an inclination start part between the blade end part and a base end, and a bearing section from the inclination start part to the base end.
Ryoji OKABE, Kentaro SHINDO, Masami KAMIYA, Yoshinori NONAKA
Filed: 29 May 18
Utility
Monitoring System, Processing Device, and Monitoring Device
25 Mar 20
A monitoring system performs monitoring using a monitoring device connected to a facility to be monitored through the Internet via communication, wherein the facility is provided with a facility body and a data processing unit configured to process acquired data acquired from the facility body, the data processing unit includes: a low-density data acquisition unit configured to acquire low-density data, a high-density data acquisition unit configured to acquire high-density data having a larger data amount per unit time than the low-density data; a data conversion unit configured to convert the high-density data into feature quantity data which is reduced in density of the high-density data; and a transmission unit configured to transmit monitoring data including the low-density data and the feature quantity data, and the monitoring device configured to perform monitoring on the basis of the monitoring data transmitted from the transmission unit in the data processing unit.
Kazuhiro Takeda, Yusuke Yamashina
Filed: 22 Mar 18
Utility
Defect Detection System for Aircraft Component and Defect Detection Method for Aircraft Component
25 Mar 20
A defect detection system for detecting a defect of an aircraft component object includes an image processing unit configured to extract, from an original image of the object including a defect point, a defect candidate region based on luminance of the image, and calculate a feature amount of the defect candidate region based on a difference in luminance between the defect candidate region and surrounding regions; a setting unit configured to associate the feature amount for an original image for learning with information about the defect point to set a defect feature amount range or a non-defect feature amount range; and a defect detection unit configured to determine, based on the feature amount for a target original image in which a defect point is not detected yet, the defect and non-defect feature amount ranges, whether the defect candidate region in the target original image is a defect point.
Kozaburo KONISHI, Motoko OKAMOTO, Osamu HASEGAWA
Filed: 31 Oct 17
Utility
Three-dimensional deposition device and three-dimensional deposition method
23 Mar 20
Provided is a three-dimensional deposition device which forms a three-dimensional object by depositing a formed layer on a base unit, comprising: a powder supply unit which supplies a powder material; a light irradiation unit which irradiates the powder material with a light beam and forms a formed layer by sintering or melting and solidifying at least a part of the powder material irradiated with the light beam; a machining unit which includes a tool and performs a machining operation on the formed layer by the tool; and a controller which serves as a control device controlling an operation of at least one of the powder supply unit, the light irradiation unit, and the machining unit.
Hitoshi Yoshimura, Yoshiharu Ozawa
Filed: 18 Mar 15
Utility
Composite material structure
23 Mar 20
This composite material structure is provided with: a first composite member arranged facing a heating element , the first composite member including PAN-based carbon fibers; a second composite member arranged between the heating element and the first composite member, the second composite member including pitch-based carbon fibers; and a cushioning element provided between the first composite member and the second composite member, the cushioning element being joined to each of the first composite member and the second composite member, and having lower rigidity than those of the first composite member and the second composite member.
Takushi Sugiyama, Takayuki Shimizu, Toshio Abe
Filed: 19 May 15
Utility
Marine vessel operated with hybrid turbocharged internal combustion engine
23 Mar 20
A hybrid turbocharger includes a first power conversion unit to convert direct-current power into alternating-current power to be output to a generator motor, a smoothing capacitor between direct-current buses, and a control unit that controls the first power conversion unit so as to cause actual generator motor speed to comply with an engine speed command of the generator motor input from an upstream controller during a motoring operation of the generator motor.
Yukio Yamashita, Musashi Sakamoto, Yoshihisa Ono, Keiichi Shiraishi
Filed: 20 Sep 17
Utility
Method of inspecting interior of wind turbine blade and inspection device for wind turbine blade
23 Mar 20
Provided is a method that enables an interior of a wind turbine blade to be safely inspected.
Naota Watanabe, Keisuke Ota
Filed: 1 Oct 18
Utility
Co-rotating Scroll Compressor
18 Mar 20
This co-rotating scroll compressor is provided with: a first side plate (27) which is arranged on the side of a drive-side rotational axis direction (CL1) with respect to a drive-side scroll member (70) and a driven-side scroll member (90), a second side plate (30) fixed at a predetermined gap in the direction of the drive-side rotational axis (CL1) with respect to the first side plate (27), and a center plate (20) arranged between the first side plate (27) and the second side plate (30).
Takuma Yamashita, Takahide Ito, Keita Kitaguchi, Makoto Takeuchi, Hirofumi Hirata
Filed: 23 Aug 18
Utility
Method for Evaluating Structure Used for Nuclide Transmutation Reaction, Evaluation Device, Structure Manufacturing Device Provided with Same, and Nuclide Transmutation System
18 Mar 20
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: 2 Apr 18
Utility
High-lift Device and Aircraft Wing
18 Mar 20
A high-lift device to be provided on a main wing body of an aircraft includes a slat and a slat moving mechanism moving the slat between a deployed position and a retracted position.
Shinsuke NISHIMURA
Filed: 27 Feb 19
Utility
Injection molding method and injection molding device for transparent resin molded article
16 Mar 20
The present invention effects a reduction in production cost and increases yield of a transparent resin molded article and prevents the generation of defects such as bubbles, weld lines, and sink marks.
Masahiro Bessho, Naomoto Ishikawa, Tsunetoshi Tanemura
Filed: 19 Aug 14
Utility
Marine vessel operated with hybrid turbocharged internal combustion engine
16 Mar 20
A hybrid turbocharger includes a first power conversion unit to convert direct-current power into alternating-current power to be output to a generator motor, a smoothing capacitor between direct-current buses, and a control unit that controls the first power conversion unit so as to cause actual generator motor speed to comply with an engine speed command of the generator motor input from an upstream controller during a motoring operation of the generator motor.
Yukio Yamashita, Musashi Sakamoto, Yoshihisa Ono, Keiichi Shiraishi
Filed: 20 Sep 17
Utility
Control device for internal combustion engine
16 Mar 20
An object is to provide a control device for an internal combustion engine, at an inexpensive price, whereby it is possible to suppress a decrease in the exhaust gas performance of the internal combustion engine due to an environmental change or damage from aging.
Takayuki Yamamoto
Filed: 6 Oct 14
Utility
Launch Tube and Method of Launching Flying Object
11 Mar 20
A launch tube 100 of a flying object 1 has a tube 110, a plurality of rails 120 and a plurality of guides 130.
Chiyako MIHARA, Katsunori IEKI
Filed: 29 Aug 19
Utility
Reactor Plant and Method of Operating Reactor Plant
11 Mar 20
A reactor plant includes a reactor having a reactor core, and a steam circulation system and a bypass system, as a plurality of systems capable of circulating water carrying thermal energy generated by a nuclear fission reaction in the reactor core, and the water as the same heat medium can be circulated in the steam circulation system and the bypass system.
Ren Shimada, Hiromichi Gima, Takeshi Yokoyama, Yukinori Usui
Filed: 23 Apr 19