1801 patents
Page 24 of 91
Utility
Fuel Control Device, Combustor, Gas Turbine, Control Method, and Program
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
Burner Assembly, Gas Turbine Combustor, and Gas Turbine
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
Blade Repair Method, Blade, and Gas Turbine
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
Electrolytic Smelting Furnace and Electrolytic Smelting Method
26 Jan 23
Metals are smelted properly.
Takashi NAKANO, Ikumasa KOSHIRO, Yuki ASAI, Nobuki UDA
Filed: 5 Aug 20
Utility
Blade and gas turbine
24 Jan 23
A blade and gas turbine include a stationary blade main body provided internally with cavities, and an inner shroud linked to an end portion, in the longitudinal direction, of the stationary blade main body, and which is internally provided with an inner shroud cooling passage with which a first cavity is in fluid communication.
Hiroyuki Otomo, Shogo Furukawa
Filed: 5 Jun 19
Utility
Sealing mechanism
24 Jan 23
A sealing mechanism including a first seal member, a second seal member arranged so as to face the first seal member, and a deformed nucleus member arranged in a space formed at least partially between the first seal member and the second seal member, and becoming a nucleus of deformation in the sealing mechanism.
Tomohiro Ishida, Hikaru Kurosaki, Hiroyuki Sakamoto, Hiroshi Katsuura
Filed: 6 Sep 19
Utility
Processing device, and method for controlling processing device
24 Jan 23
A processing device processes a frame-shaped workpiece which extends in a prescribed extension direction, and includes, integrally, a plate-shaped web surface portion, a plate-shaped first flange portion that bends and extends from one end of the web surface portion, and a plate-shaped second flange portion which bends from the other end of the web surface portion and extends in the opposite direction to the first flange portion.
Atsushi Sugai, Satoshi Kamata, Suguru Kondo, Takeshi Yamada, Akira Kono
Filed: 26 Sep 19
Utility
Joint Structure and Method for Manufacturing Joint Structure
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
Opposed-piston Engine
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
Steam Turbine, Blade, and Method for Improving Performance and Reliability of Steam Turbine
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
Magnetic Pole Piece Device and Magnetic Gear Device
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
Sealing Device and Rotary Machine
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
Engine
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
Control Device, Control Method, and Program
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
Burner Assembly, Gas Turbine Combustor, and Gas Turbine
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
Welding Device and Welding Method
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
Pressurized Structure Panel and Cylinder
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
Fin Tip Position Measurement Method, Fin Tip Position Measurement System, and Jig for Measuring Fin Tip Position
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
Gas turbine plant and exhaust carbon dioxide recovery method therefor
17 Jan 23
A gas turbine plant includes an exhaust line, a carbon dioxide recovery device configured to recover carbon dioxide contained in an exhaust gas, a circulation line connected to a gas turbine, a first valve device, a bypass line bypassing the carbon dioxide recovery device, a second valve device provided on the bypass line, a third valve device provided at a position between the bypass line and the carbon dioxide recovery device, a densitometer configured to detect a carbon dioxide concentration in the exhaust gas, and a control device configured to adjust opening degrees of the first valve device, the second valve device, and the third valve device based on an operation state of the gas turbine and the carbon dioxide concentration.
Naoyuki Nagafuchi, Atsushi Tsutsumi, Takashi Kamijo, Hiroaki Shigeta
Filed: 31 Jan 20
Utility
Method, device, and system of controlling movement of multi-vehicle, and computer-readable storage medium
17 Jan 23
A method of controlling movement of multi-vehicle includes acquiring a constraint condition under which vehicles move and a calculation cycle for calculating movement routes of the vehicles; acquiring a position of each vehicle; specifying a target position for each vehicle; calculating, based on the position of each vehicle, the target position, and the constraint condition, a movement route for prediction steps of each vehicle; determining, based on the movement routes of the vehicles, a driving condition of each vehicle from a current time to a unit time; and controlling movement of each vehicle.
Kazushige Takaki, Yasuo Fujishima, Shunichi Azuma
Filed: 4 Nov 20