792 patents
Page 12 of 40
Utility
Cobalt based alloy product
15 Nov 22
There is provided a cobalt-based alloy product comprising: in mass %, 0.08-0.25% C; 0.1% or less B; 10-30% Cr; 5% or less Fe and 30% or less Ni, the total amount of Fe and Ni being 30% or less; W and/or Mo, the total amount of W and Mo being 5-12%; 0.5% or less Si; 0.5% or less Mn; 0.003-0.04% N; 0.5 to 2 mass % of an M component being a transition metal other than W and Mo and having an atomic radius of more than 130 pm; and the balance being Co and impurities.
Yuting Wang, Shinya Imano, Shigenobu Eguchi
Filed: 7 Mar 19
Utility
Turbine rotor blade, turbine, and tip clearance measurement method
15 Nov 22
A turbine rotor blade includes: a root portion fixed to a rotor shaft; and an airfoil portion including a pressure surface, a suction surface, and a top surface connecting the pressure surface and the suction surface, with a cooling passage formed inside the airfoil portion.
Hiroki Kitada, Satoshi Hada, Hiroyuki Otomo, Yasumasa Kunisada
Filed: 20 Nov 19
Utility
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15 Nov 22
A compressor stator vane unit includes multiple compressor stator vanes disposed at a certain interval in a circumferential direction; and an annular joint member connected with inner ends of the multiple compressor stator vanes; wherein the annular joint member constitutes an outer diameter side surface of a leakage fluid flow path provided in an inner diameter side of the joint member to communicate a high-pressure space with a low-pressure space respectively located downstream and upstream of the multiple compressor stator vanes in a fluid flow direction, and D/P is set to 0.05≤D/P≤0.2, wherein D is defined as a distance in an axial direction between an upstream end surface of the annular joint member and an upstream edge of the multiple compressor stator vanes in the fluid flow direction and P is defined as a pitch between the adjacent compressor stator vanes in the circumferential direction.
Ryosuke Seki
Filed: 11 Feb 20
Utility
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15 Nov 22
A stator vane includes a blade body, an outer shroud, and an impingement plate.
Hidekatsu Atsumi, Hidemichi Koyabu
Filed: 4 Oct 19
Utility
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15 Nov 22
An operation control device for a single shaft gas turbine selects an operation mode based on a load state of a power generator, and controls the turbine based on the operation mode.
Koichiro Iida, Akihiko Saito, Hisanobu Shinoda, Kuniaki Aoyama
Filed: 19 Nov 19
Utility
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15 Nov 22
A gas turbine module includes a gas turbine that has a gas turbine rotor and a turbine shell; an inlet plenum that is connected to an inlet of the gas turbine; an exhaust plenum that is connected to an exhaust of the gas turbine; an enclosure that covers the gas turbine; and a common base on which the gas turbine, the inlet plenum, the exhaust plenum, and the enclosure are mounted.
Yosuke Oba, Shingo Nakashima
Filed: 27 Nov 20
Utility
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15 Nov 22
A laser radar device includes a scanner unit for scanning a measurement target area along a second direction orthogonal to a predetermined first direction by irradiating the measurement target area with a line-shaped laser beam as a light-transmitting angle is changed, the line-shaped laser beam being a laser beam formed into a line shape so as to extend in the first direction, a received signal generation unit for generating a received signal according to received reflected light of the line-shaped laser beam, a storage unit for storing shape distortion information of the line-shaped laser beam in the second direction, and a three-dimensional information generation unit for generating three-dimensional information of the measurement target area based on corrected position information in the second direction obtained by correcting position information in the second direction calculated based on the received signal and the light-transmitting angle, with the shape distortion information.
Kohei Kawazoe
Filed: 4 Feb 20
Utility
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15 Nov 22
An operation/maintenance management method of an integrated system including a plurality of components or devices includes selecting an index and a period for evaluating the integrated system, acquiring prediction information for input information for use in computation of the index, creating a future prediction scenario by combining the input information, computing an evaluation index related to the scenario, and comparing and displaying evaluation index computation results related to a plurality of scenarios.
Satoru Funahashi, Shintaro Kumano, Katsuhiko Abe, Keisuke Yamamoto, Makoto Kishi, Yukihiko Inoue, Shun Niizuma
Filed: 22 Mar 18
Utility
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8 Nov 22
A high-lift device includes a flap disposed at a leading edge of a wing, and configured to be retracted in the lower surface and extended toward of the leading edge; a first rotary shaft and a second rotary shaft, the axial direction of the rotary shafts being disposed along the spanwise direction of the wing, respectively; a first link mechanism connected to the first rotary shaft and the flap; and a second link mechanism connected to the second rotary shaft and the flap.
Kosuke Toyoda, Hikaru Takami, Hiroki Sakiyama
Filed: 22 Feb 19
Utility
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8 Nov 22
A vane segment includes a blade ring, a plurality of vanes, and a caulking member.
Yuichiro Waki, Shouhei Danno, Yuki Yamamoto
Filed: 23 Oct 18
Utility
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8 Nov 22
A wind turbine blade includes a base member formed of FRP and having a blade shape, an intermediate layer arranged on the base member and formed of metal, cermet, ceramic, or a mixture of at least one thereof and resin as a major constituent, and an erosion-resistant overcoat arranged on the intermediate layer and formed of a spray film having a porosity of 5% or lower.
Naota Watanabe, Masaaki Shibata, Toshikazu Shigetomi, Hiroaki Takeuchi, Atsushi Yuge
Filed: 13 Nov 19
Utility
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8 Nov 22
A steam turbine includes a rotor; a casing which houses the rotor; a plurality of rotor blades disposed around the rotor; and a plurality of stationary vanes supported on the casing.
Ryo Takata, Mitsuyoshi Tsuchiya, Yasuhiro Sasao
Filed: 17 Jan 18
Utility
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8 Nov 22
A windmill blade includes a leading edge protector at a leading edge portion of a blade main body including a skin surrounding a hollow space.
Takeshi Fujita, Kentaro Shindo, Hiroaki Takeuchi, Toshiyuki Hirano, Atsushi Yuge
Filed: 30 Apr 21
Utility
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8 Nov 22
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: 16 Feb 15
Utility
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8 Nov 22
Provided is a gas turbine combustor that can achieve improvement of the combustion stability.
Yasuhiro Wada, Kazuki Abe, Akinori Hayashi, Keita Naito
Filed: 29 Apr 21
Utility
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8 Nov 22
A testing method of thermal barrier coating (TBC) is for evaluating the presence or absence of damage to TBC formed on a bending part on which compression stress acts.
Yoshifumi Okajima, Taiji Torigoe, Hiroshi Ishikawa, Hitoshi Tamaki, Kazuma Takeno
Filed: 26 Dec 17
Utility
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8 Nov 22
A method for analyzing a heat exchanger includes a structural model creation step (S1) of creating a structural model of a heat exchanger; a iron-linear model creation step (S4) of creating a iron-linear model in which a non-linear spring element in an out-of-plane direction, in which a load is generated only at me time of contact between a heat transfer tube and an anti-vibration member, is applied to an opposing portion between the heat transfer tube and the anti-vibration member in a structural model, and a load distribution acquisition step (S5) of performing analysis in which a load in the out-of-plane direction is applied to the non-linear model to acquire load distribution of the heat exchanger from a value of the load in each opposing portion.
Masatsugu Monde, Naoki Ono, Tomohito Nakamori, Masaaki Katayama, Ryoichi Kawakami, Masahito Matsubara, Tomonori Mineno
Filed: 23 Oct 17
Utility
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1 Nov 22
A state quantity-acquiring unit acquires values of a plurality of state quantities at a certain timing associated with an object device.
Shintaro Kumano, Yasushi Morishita, Takashi Sonoda
Filed: 18 May 18
Utility
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1 Nov 22
Toyonori Kobayakawa, Tetsuya Nagase, Atsushi Sasaki
Filed: 22 Dec 17
Utility
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1 Nov 22
A steam turbine blade includes a blade body (7) including blade surfaces (70) extending in a blade height direction.
Yasuhiro Sasao, Soichiro Tabata, Shohei Danno, Yoshinori Tanaka, Hideyuki Toda, Yu Shibata
Filed: 27 Aug 18