792 patents
Page 10 of 40
Utility
Machining device, machining unit, and machining method
10 Jan 23
Provided are a machining device (10), a machining unit, and a machining method that irradiate a workpiece (8) with a laser beam to perform cutting or boring machining of the workpiece (8).
Saneyuki Goya, Masato Kinouchi, Toshiya Watanabe
Filed: 28 Feb 13
Utility
Operation plan creation device, operation plan creation method, and program
10 Jan 23
An operation plan creation device includes: an operation information creation unit configured to receive an input of a simple setting including information with which an operation period of a device is identifiable and to create operation information including an inspection period and a replacement scheduled component in the operation period of the device; a component information acquisition unit configured to acquire component information including lifespan information and stock quantity information about each of the components, based on use history information about each of the plurality of components; a dummy information creation unit configured to create, when the acquired component information includes missing information, dummy information to be used instead of the missing information; and a plan creation unit configured to create the operation plan for the components related to the device based on the operation information and the component information or the dummy information.
Naoya Kawamura, Shun Kawachi, Takao Kondo
Filed: 13 Mar 20
Utility
Liquid pressurizing apparatus and urea synthesis plant
3 Jan 23
A liquid pressurizing apparatus, comprises a tank provided on a device installation surface for storing liquid so that a fluid level is located above the device installation surface; and a vertical pump including a suction port connected to the tank, multi-stage impellers arranged in a vertical direction, and a discharge port for discharging the liquid passing through the multi-stage impellers.
Hiroshi Funakoshi, Norio Mitsui, Keiichi Meguro, Yasushi Ueda, Akio Maeda, Shinji Ogino
Filed: 1 Nov 17
Utility
Sealing fin fixing apparatus and sealing fin fixing method
27 Dec 22
A sealing fin fixing apparatus can fix a sealing fin to a rotor in a shortened period of time to minimize variations of the pullout strength of the sealing fin.
Kiyoshi Segawa, Yuta Yanase, Takeshi Izumi, Shoichi Saito, Takashi Yoshida, Shin Tachibana
Filed: 16 Jun 21
Utility
Sheet stacking device, sheet stacking method, sheet stacking program, counter ejector, and box making machine
27 Dec 22
A sheet stacking device is provided with a hopper unit configured to stack a sheet, a feeding unit configured to feed out the sheet to the hopper unit, a distance detection unit configured to detect an inter-sheet distance, in the vertical direction, between a rear end portion of the sheet that is preceding and a tip end portion of the sheet that is subsequent, and an output unit configured to output a behavior stabilization command for the sheet based on the inter-sheet distance.
Hideaki Nagai, Hiroyuki Kanazawa, Koshi Tanimoto, Kenta Nakao
Filed: 26 Jan 21
Utility
Oil field pump
27 Dec 22
An oil field pump is installed within a pipe that connects to an oil field, and feeds accumulated extraction oil in a predetermined direction, the oil filed pump including a rotor with an internal flow path for the extraction oil, a stator installed on the outer circumference of the rotor, a thrust bearing that supports the axial weight of the rotor and the stator, a supply pipe that supplies a portion of the extraction oil in the flow path to the thrust bearing, and a filter that is installed at further upstream on the flow path than the supply pipe along the flow direction of the extraction oil, and traps foreign matter.
Shimpei Yokoyama, Nobuhiro Kunitake, Takumi Hori, Tanehiro Shinohara, Norihisa Takei
Filed: 18 Feb 20
Utility
Cooling method and structure of vane of gas turbine
27 Dec 22
A method of cooling a vane of a turbine is provided.
Satoshi Mizukami, David Allen Flodman, Satoshi Hada
Filed: 11 Mar 22
Utility
Control apparatus, control method, and non-transitory computer readable medium
27 Dec 22
A control apparatus 20 that is configured to control driving of a power generation apparatus including a motor and a power generator, the control apparatus including a processor 200 executing: a process of calculating a first adjustment force command value used for controlling the motor in accordance with a deviation between an observed value and a reference value of a rotation speed of the power generator; a process of calculating a correction value for compensating for a delay of an electric output of the power generator; and a process of calculating a correction value for compensating for a delay of an electric output of the power generator; and a process of calculating a second adjustment force command value used for controlling the motor by adding the first adjustment force command value and the correction value.
Takaharu Hiroe, Kazunari Ide, Ryo Sase
Filed: 31 Jul 20
Utility
Exhaust chamber of steam turbine, steam turbine, and steam turbine replacement method
27 Dec 22
An exhaust chamber of a steam turbine according to an embodiment includes an outer casing which includes an end wall part in an axial direction and an extension part extending upward in the axial direction from the end wall part, a first flow guide formed into an annular shape, the first flow guide forming an upstream region of a diffuser surface in a hub-side flow guide and being fixed to an upstream end portion of the extension part on a radially inner side of the diffuser surface, and a second flow guide formed into an annular shape, the second flow guide forming a downstream region of the diffuser surface at a position downstream of the first flow guide and on a radially outer side of the extension part, and being fixed to the extension part.
Shoki Yamashita, Takaaki Matsuo, Soichiro Tabata
Filed: 20 Sep 19
Utility
Valve opening degree determination device for cooling-air adjustment valve, disk cavity target temperature determination device, and disk cavity temperature control device
27 Dec 22
A valve opening degree determination device includes an object operating state acquisition unit configured to acquire an object operating state which is an operating state of a gas turbine before control, and a valve opening degree calculation unit configured to calculate the valve opening degree such that a disk cavity temperature after control is equal to or lower than a target temperature, based on the object operating state.
Koki Tateishi, Shinichi Yoshioka, Hironao Nagai, Ryuji Takenaka, Koshiro Fukumoto
Filed: 11 Apr 19
Utility
Combustor component, combustor, gas turbine, and manufacturing method for combustor component
27 Dec 22
A combustor component according to at least one embodiment of the present invention includes a cylindrical body which internally includes a combustion chamber, and includes a weld part where a plurality of through holes opening to the combustion chamber are formed, and a housing which is disposed on an outer circumferential side of the cylindrical body to cover a part of the weld part, and defines an acoustic damping space communicating with the combustion chamber via at least one of the through holes.
Kentaro Tokuyama, Hiroaki Kishida, Taiki Kinoshita, Hiroki Shibata, Toshinobu Ohara
Filed: 1 Nov 19
Utility
Drive device for electric vehicle and electric vehicle
20 Dec 22
A drive device for an electric vehicle includes: a motor configured to be in a drive wheel of the electric wheel; and a reduction gear configured to reduce rotational speed of the motor and transmit resultant rotation to the drive wheel; the reduction gear including a sun gear configured to be driven by the motor, a first planetary gear that is configured to mesh with the sun gear and has a first number of teeth, a fixed ring gear that is meshed with the first planetary gear and arranged non-rotatably, a second planetary gear that is coupled to the first planetary gear and has a second number of teeth that is smaller than the first number of teeth, a movable ring gear that is meshed with the second planetary gear and arranged rotatably, and a transmission member configured to transmit rotation of the movable ring gear to the drive wheel.
Katsuhiko Shoda, Kensuke Nishiura, Kazuma Otaka
Filed: 22 Oct 20
Utility
Shock wave suppression device and aircraft
20 Dec 22
A shock wave suppression device is configured to suppress a shock wave generated on a blade surface of a blade, the shock wave suppression device including a bump cover provided to follow the blade surface and deformable to protrude outward from the blade surface, and a displacing unit configured to displace the bump cover between a steady state to follow the blade surface and a deformed state to protrude outward from the blade surface.
Mayuko Nagashiki
Filed: 22 Jan 21
Utility
Ducted fan and aircraft
20 Dec 22
A ducted fan includes a fan and a cowl having a cylindrical shape and including an introduction port configured to introduce air from a first end portion side.
Yuki Morisaki, Kazuhiro Imai, Kai Karikomi, Yasuhiro Saiki
Filed: 17 Feb 21
Utility
Denitration device, heat recovery steam generator having the same, gas turbine combined cycle power plant and method of denitration
20 Dec 22
A denitration device comprising a duct (22) that leads and distributes exhaust gas from a turbine (56) of a gas turbine (50) including a compressor (52) and the turbine (56), an ammonia injection grid (24) that sprays, into the duct (22), an mixed gas in which ammonia gas and dilution air are mixed with each other, and a denitration catalyst (26) that is installed on a downstream side of flow of the exhaust gas of the ammonia injection grid in the duct (22), and there is provided an air bleeding line (76) that is connected to a low compression portion of the compressor (52) of the gas turbine (50) and supplies air bled of the compressor (52) into the ammonia injection grid (24) as the dilution air.
Akira Hirota, Kanji Ishikawa
Filed: 4 Feb 19
Utility
Compressor housing, compressor including the compressor housing, and turbocharger including the compressor
20 Dec 22
A compressor housing includes: an intake flow path-forming section configured to form an intake flow path; a shroud portion including a shroud surface curved in a protruding manner to face blades of an impeller; and a scroll flow path-forming section configured to form a scroll flow path through which gas is guided outside the compressor housing.
Yoshihiro Hayashi, Ricardo Martinez-Botas, Maria Esperanza Barrera-Medrano
Filed: 15 Jan 21
Utility
Composite material automatic laminating device
13 Dec 22
This composite material automatic laminating equipment is provided with a lamination stage a composite material winding unit which supplies a composite material sheet, supply rollers which feed the composite material sheet onto the top surface of the lamination stage or onto another composite material sheet arranged on said top surface, a compaction roller which is arranged downstream of the supply rollers and which makes surface contact with the composite material sheet and presses the composite material sheet, and a cutting section which forms composite material sheet pieces by cutting, in the width direction, the portion of the composite material sheet in surface contact with the compaction roller.
Akihito Suzuki, Kazuki Ishida, Kohei Muto, Tsuyoshi Okawara, Kenji Murakami, Makoto Inomoto
Filed: 23 Jan 20
Utility
Turbine wheel and wire retention pin fixation method for turbine wheel
13 Dec 22
A turbine wheel that retains a fixation wire to inhibit the movement of turbine rotor blades along mating grooves includes: multiple tab sections that form housing sections that house part of the fixation wire; and a wire retention pin to retain the fixation wire in the housing sections.
Yoshiki Sakamoto, Yasuyuki Watanabe, Yoshitaka Sato
Filed: 28 Jan 21
Utility
Transition piece, combustor provided with same, and gas turbine provided with combustor
13 Dec 22
A plurality of cooling passages extending in an axial direction are formed in a transition piece so as to be aligned in a circumferential direction and the axial direction.
Tetsu Konishi, Hiroaki Kishida, Kentaro Tokuyama, Hiroki Shibata, Akihiro Murakami
Filed: 4 Jan 21
Utility
Operation management device, power generation plant, and operation management method for power generation plant
13 Dec 22
An operation management device includes a state acquiring unit that acquires a measurement value of a first state amount indicating an operation state of a power generation plant, a state updating unit that updates an estimation value of a second state amount, which indicates the operation state of the power generation plant and is a state amount different from the first state amount, based on the measurement value of the first state amount, and a managing unit that manages the operation state of the power generation plant based on the estimation value of the second state amount.
Keisuke Yamamoto, Shintaro Kumano, Makoto Kishi, Katsuhiko Abe
Filed: 27 Mar 18