994 patents
Page 15 of 50
Utility
Automatic Landing System for Vertical Takeoff/landing Aircraft, Vertical Takeoff/landing Aircraft, and Control Method for Landing of Vertical Takeoff/landing Aircraft
26 Jan 23
An automatic landing system includes an imaging device mounted on a vertical take-off and landing aircraft; a relative-position acquisition unit that performs image processing on an image of a marker at a target landing point, and that acquires a relative position between the aircraft and the target landing point; a relative-altitude acquisition unit for acquiring a relative altitude between the aircraft and the target landing point; and a control unit for controlling the aircraft in a plurality of control modes so that the relative position becomes zero.
Toru KOJIMA, Masahiro HASHIMOTO
Filed: 1 Sep 20
Utility
Antivibration Sound Insulation Device
26 Jan 23
This antivibration sound insulation device is provided with: an antivibration mechanism which is mounted on a stand and disposed close to a prescribed sound source at a plant; and sound-absorbing sound insulation walls which are supported by the antivibration mechanism and arranged so as to surround the sound source.
Keizo Onishi, Takanori Ito, Yusuke Mizuno, Noriyuki Takeda
Filed: 28 Sep 22
Utility
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26 Jan 23
This exhaust gas processing equipment is provided with an exhaust line through which exhaust gas discharged from a boiler circulates, a carbon dioxide recovering device for recovering carbon dioxide included in the exhaust gas, and an exhaust gas heating device provided downstream of the carbon dioxide recovering device to heat the exhaust gas.
Takashi KAMIJO, Atsushi TSUTSUMI, Hiromi ISHII, Takahiro ARAYA, Tetsuya TANAKA, Kazunori TSUJII, Naoyuki NAGAFUCHI
Filed: 24 Nov 20
Utility
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26 Jan 23
A steam generation apparatus includes: a heat medium flow passage through which a heat medium flows; a primary economizer disposed in the heat medium flow passage; a secondary economizer disposed in the heat medium flow passage at an upstream side of the primary economizer with respect to a flow direction of the heat medium; a primary evaporator disposed in the heat medium flow passage at an upstream side of the secondary economizer with respect to the flow direction of the heat medium; a first flash tank for generating flash steam; a first feed water line configured to supply water heated by the primary economizer to the secondary economizer; and a second feed water line disposed so as to branch from the first feed water line and configured to supply the water heated by the primary economizer to the first flash tank.
Hideyuki UECHI, Yuichi OTANI, Fumito KAJITANI, Taichi YOSHII, Norito KATSUKI, Kanako NAGAYAMA, Takahiro HIDAKA
Filed: 26 Nov 20
Utility
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26 Jan 23
A fuel control device includes a combustion temperature estimation value calculation unit that calculates a temperature estimation value when a mixture of fuel and inflow air is burned using an atmospheric condition, an opening degree command value of a valve that controls the amount of air that is mixed with the fuel and burned, and an output prediction value calculated on the basis of a fuel control signal command value used for calculation of a total fuel flow rate flowing through a plurality of fuel supply systems, a fuel distribution command value calculation unit that calculates a fuel distribution command value indicating a distribution of fuel output from the fuel supply systems based on the temperature estimation value, and outputs the fuel distribution command value, and a valve opening degree calculation unit that calculates each valve opening degree of a fuel flow rate control valve of the fuel supply systems.
Keisuke YAMAMOTO, Takashi SONODA, Akihiko SAITO, Fuminori FUJII, Hisashi NAKAHARA, Ryoichi HAGA, Ryuji TAKENAKA, Yoshifumi IWASAKI, Wataru AKIZUKI, Isamu MATSUMI, Naohiro SUMIMURA, Shinichi YOSHIOKA
Filed: 5 Oct 22
Utility
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26 Jan 23
A burner assembly includes a plurality of bumers for mixing fuel and air.
Shinichi FUKUBA, Kenji MIYAMOTO, Keisuke MIURA, Tomohiro ASAI, Tomo KAWAKAMI, Kenta TANIGUCHI
Filed: 27 Sep 22
Utility
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26 Jan 23
This blade repair method has: a first welding step in which overlay welding in which a first welding material is used is performed to form a notched part and a bury a first region positioned on a blade-body side with a first welding material; and a second welding step in which, after the first welding step, overlay welding in which a second welding material is used is performed to form a notched part and bury a second region positioned on a front-surface side of a platform with the second welding material.
Osamu UEDA, Hiroshi MURAI, Ryoji FUSHINO
Filed: 17 Dec 20
Utility
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26 Jan 23
Metals are smelted properly.
Takashi NAKANO, Ikumasa KOSHIRO, Yuki ASAI, Nobuki UDA
Filed: 5 Aug 20
Utility
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19 Jan 23
An opposed-piston engine according to an embodiment is a first fuel injection device configured to inject fuel from a circumferential wall surface of at least one cylinder into the cylinder, and a second fuel injection device disposed to be displaced in a circumferential direction so as to be opposite to the first fuel injection device across an axial center of the cylinder.
Masafumi MORI, Yuuki KOSHIBA, Kengo TANAKA, Takashi UEDA, Shigetoshi SUGATA
Filed: 27 Jan 21
Utility
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19 Jan 23
A joint structure includes a reinforcement portion that is formed by joining a composite material and a reinforcing material through an adhesive.
Tsukasa KATSUMATA, Kiyoka TAKAGI, Naoaki FUJIWARA, Sota KAMO, Kosuke OKA, Kazuki OHASHI
Filed: 17 Dec 20
Utility
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19 Jan 23
A magnetic pole piece device according to an embodiment is a magnetic pole piece device disposed between an inner diameter side magnet field and an outer diameter side magnet field of a magnetic gear that includes an annular member which includes a plurality of magnetic pole pieces disposed at intervals in a circumferential direction, and a plurality of holding members respectively disposed between the plurality of magnetic pole pieces, and a cover member which is made of a composite material obtained by impregnating continuous fiber extending along the circumferential direction with a matrix resin.
Takayuki SHIMIZU, Mikito SASAKI, Shinichi ISOBE, Akihiko UMEDA, Atsushi YUGE
Filed: 11 Dec 20
Utility
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19 Jan 23
A steam turbine according to the present invention comprises: a shaft which rotates about the rotation axis thereof; a plurality of moving blades which extend in the radial direction from the outer peripheral surface of the shaft and which are arranged along the circumferential direction; a casing main body which covers the shaft and the moving blades from the outer peripheral side; a plurality of stationary blades which are arranged on the inner circumferential surface of the casing main body; and a substance supply unit which supplies, to the surfaces of the moving blades and/or the surfaces of the stationary blades, a film forming substance that is hydrophobic, wherein the substance supply unit has a storage unit, a supply passage which is formed inside the casing and through which the film forming substance flows, and discharge units which are formed inside the moving blades and/or the stationary blades and which guide the film forming substance to the surfaces.
Shigeki SENOO, Soichiro TABATA, Tetsuya SAWATSUBASHI, Hiroyuki MITSUI, Kunio ASAI, Ryuichi MATSUBARA, Kiyoshi TATSUHARA
Filed: 13 Sep 22
Utility
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19 Jan 23
An engine according to an embodiment includes at least one cylinder, at least one piston disposed in the at least one cylinder, a plurality of fuel injection valves disposed on the at least one cylinder, the plurality of fuel injection valves including a first fuel injection valve having a predetermined total hole area and a second fuel injection valve having a total hole area smaller than the total hole area of the first fuel injection valve, and a control device for controlling the first fuel injection valve and the second fuel injection valve according to a load of the engine.
Yuki KOSHIBA, Masafumi MORI, Kengo TANAKA, Takashi UEDA, Shigetoshi SUGATA
Filed: 27 Jan 21
Utility
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19 Jan 23
A sealing device according to at least one embodiment includes not less than three arc-shaped fins arranged in an axial direction.
Naoto OMURA, Kazuyuki MATSUMOTO, Yoshihiro KUWAMURA, Eiji KONISHI, Kentaro TANAKA
Filed: 26 Sep 22
Utility
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19 Jan 23
A control device for adjusting an amount of fuel to be supplied to a gas turbine based on a rotational speed of the gas turbine, such that a frequency of electric power output by a power generator that generates electric power using the gas turbine is within a given range, includes a load value acquisition unit configured to acquire a load value that is a value of a load applied to the power generator after cutoff of a part of the load applied to the power generator when the part of the load applied to the power generator is cut off, an arithmetic unit configured to calculate an adjusted value that is a value of the load different from the load value by carrying out an arithmetic operation on the load value and a bias, and a command unit configured to adjust the amount of fuel by outputting a first signal for causing the power generator to output electric power corresponding to the adjusted value.
Akihiko SAITO, Hidekazu YAMASHITA, Jun SASAHARA, Koichiro YANO, Yosuke KITAUCHI, Mizuhiko TANAKA, Masahiro YOSHIDA
Filed: 27 Sep 22
Utility
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19 Jan 23
A burner assembly includes a plurality of burners for mixing fuel and air.
Shinichi FUKUBA, Satoshi TAKIGUCHI, Keisuke MIURA, Tomohiro ASAI, Kenji MIYAMOTO, Tomo KAWAKAMI
Filed: 27 Sep 22
Utility
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19 Jan 23
Provided are a welding device and a welding method that can avoid occurrence of a clearance in a side region of a member and suppress occurrence of a failure of the member due to such a clearance.
Akihiro TERASAKA, Shogo OTOBE
Filed: 6 Jun 22
Utility
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19 Jan 23
A pressurized structure panel for forming a pressurized space pressurized inside includes a panel structure having a panel body to receive the pressure, a rib provided in the panel body, and a hollow part formed by the panel body and the rib, a radiation shielding material provided in the hollow part, and a debris bumper provided outside the panel structure and provided spaced apart from the panel structure by a certain spacing.
Hiromichi AKIYAMA, Naoto AZUSAWA, Yutaka TERADA
Filed: 11 Jul 22
Utility
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19 Jan 23
This fin tip position measurement method comprises: a jig installation step for installing a jig having a flat measurement surface expanded in a circumferential direction and an axial direction to a tip of at least one among a plurality of seal fins that protrude in a radial direction with respect to an axial line, extend in the circumferential direction, and are arranged in a direction in which the axial line extends; a first measurement step for measuring a distance from the axial line to the measurement surface by scanning the measurement surface with a laser beam; and a first calculation step for calculating a distance from the axial line to the tip of the seal fin by adding a radial dimension of the jig to the distance to the measurement surface.
Shunsuke MIZUMI, Jose Carlos KUROKI RAMIREZ, Koji ISHIBASHI, Juichi KODERA, Satoshi KUMAGAI, Masaru SEKIHARA
Filed: 2 Sep 22
Utility
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5 Jan 23
A length measuring jig measures the length of a tubular stud bolt with a central hole defined axially therethrough while the tubular stud bolt remains mounted on a target product such as a steam turbine casing.
Yohei Tsuchiya, Takahiro Igawa
Filed: 1 Jun 22