Patents Assigned to Toshiba Energy Systems & Solutions Corporation
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Patent number: 11968773Abstract: A charged particle emission control technique where slow extraction of a charged particle beam from a synchrotron can be stably performed even in a state where beam adjustment has not been performed or completed. A charged particle emission control device includes a first receiver configured to receive a first detection signal obtained by detecting a current value of charged particles orbiting in a synchrotron; an arithmetic processor configured to time-differentiate the first detection signal and output a beam-intensity equivalent-value; and an emission controller configured to output a control signal for emitting a charged particle beam from the synchrotron to a beam transport system in such a manner that the beam intensity-equivalent value matches a target value.Type: GrantFiled: January 3, 2022Date of Patent: April 23, 2024Assignee: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Kohei Kotaki, Munemichi Matsumoto, Takuji Furukawa, Kota Mizushima
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Publication number: 20240125673Abstract: According to one embodiment, a blade damage evaluation system comprising one or more computers configured to: evaluate inflow and collision of solid particles into a turbine based on design data, maintenance data, and operation data; and calculate a survival rate by applying at least one data included in at least one of the design data, the maintenance data, and the operation data as at least one factor to a formula that models the turbine by survival time analysis, the survival rate indicating that erosion amount of at least one of a plurality of blades does not reach a predetermined threshold at arbitrary time in future.Type: ApplicationFiled: May 9, 2023Publication date: April 18, 2024Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yasutaka KAWADA, Yusuke SUZUKI, Shota NAKAJIMA, Yasuteru KAWAI
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Publication number: 20240096534Abstract: According to one embodiment, a superconducting coil apparatus comprising at least one superconducting coil formed of a plurality of turns under a definition that one turn is a portion of a superconducting wire annularly wound for one round, wherein: the superconducting coil has a shape along an outer peripheral surface of a tubular structure having a tubular shape; each of the plurality of turns has a coil longitudinal portion extending along an axial direction of the tubular structure; arrangement form of the coil longitudinal portion is different between a main magnetic field generation region configured to generate a main magnetic field and a magnetic field correction region configured to generate a correction magnetic field.Type: ApplicationFiled: July 14, 2023Publication date: March 21, 2024Applicants: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, National Institutes for Quantum Science and TechnologyInventors: Shigeki TAKAYAMA, Tomofumi ORIKASA, Kota MIZUSHIMA, Yoshiyuki IWATA, Yasushi ABE, Tetsuya FUJIMOTO
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Publication number: 20240097152Abstract: In an electrochemical device of an embodiment, a cell stack has a spacer disposed to be arranged next to an insulating sealing member in a direction orthogonal to a stack direction. A plurality of the spacers are arranged in the stack direction between a pair of end plates, and the spacer is interposed between a pair of separators adjacently arranged in the stack direction. The spacer is formed of a material whose thickness reduction ratio when an operation of the electrochemical device is executed is smaller than that of the insulating sealing member. Before the execution of the operation of the electrochemical device, the thickness of the spacer is thinner than the thickness of the insulating sealing member. Further, the thickness of the spacer keeps a state of being equal to or less than the thickness of the insulating sealing member when the operation of the electrochemical device is executed.Type: ApplicationFiled: June 9, 2023Publication date: March 21, 2024Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Riko INUZUKA, Norikazu OSADA, Kentaro MATSUNAGA, Masahiro ASAYAMA, Shohei KOBAYASHI, Yusuke SUZUKI, Tsuneji KAMEDA
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Patent number: 11937362Abstract: A charged particle acceleration device, which eliminates the need for repeating alignment adjustment even in the case of repeating installation of the controllers, is provided, and a method for adjusting the same is provided. A charged particle acceleration device 10A includes: controllers 15,15a,15b,15c configured to control a beam trajectory 12 of charged particles that pass through a duct 11 to be inserted through the controllers 15; and a stage 20 that is supported by a frame 16 fixed to a base and reversibly moves the controllers 15 in a direction of intersecting the beam trajectory 12.Type: GrantFiled: September 10, 2021Date of Patent: March 19, 2024Assignees: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION, TOSHIBA PLANT SYSTEMS & SERVICES CORPORATIONInventors: Kunihiko Kinugasa, Hiromasa Itou, Takeshi Takeuchi, Yoshiharu Kanai
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INTERCONNECTOR FOR SOLID OXIDE ELECTROCHEMICAL CELL STACK AND SOLID OXIDE ELECTROCHEMICAL CELL STACK
Publication number: 20240068114Abstract: An interconnector for a solid oxide electrochemical cell stack of at least one embodiment includes a metal base that contains an iron-base alloy containing chromium, a protective film provided on a surface of the metal base, and an interlayer provided between the metal base and the protective film arranged to relieve stress.Type: ApplicationFiled: July 12, 2023Publication date: February 29, 2024Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Shohei KOBAYASHI, Tsuneji KAMEDA, Masahiro ASAYAMA, Norikazu OSADA, Riko INUZUKA -
Publication number: 20240068380Abstract: There is provided a pit initiation evaluation system or the like capable of predicting pit initiation effectively and at low cost. In a pit initiation evaluation system of an embodiment, a pit initiation evaluation unit creates and retains, based on a dry-wet alternate time data, a deposit impurity concentration data, and a pit initiation data on pitting corrosion initiated in each of a plurality of turbine stages when an operation is actually performed in the steam turbine, a pit initiation evaluation table presenting a relationship between a dry-wet alternate time, a deposit impurity concentration, and pit initiation. Further, the pit initiation evaluation unit is configured to evaluate, by using the pit initiation evaluation table, pitting corrosion to be initiated in each of the plurality of turbine stages in an operation planned for the steam turbine.Type: ApplicationFiled: November 2, 2022Publication date: February 29, 2024Applicant: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yuka TSUKADA, Kazuhiro SAITO, Yusuke SUZUKI, Yoshikazu NINOMIYA, Osamu TANAKA, Yasuteru KAWAI, Shinichi TERADA, Makoto SASAKI
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Patent number: 11913126Abstract: A hydrogen-system control device according to the present embodiment is a control system for a hydrogen system that produces hydrogen: a first setter; a second setter configured to set an actual power consumption amount obtained by reducing a reduced power amount from the first power consumption amount in advance, when the demand response for reducing the first power consumption amount in the request period is requested the device comprising: and a controller configured to control a power amount of the second power in the request period based on the actual power consumption amount. The second setter is configured to set the actual power consumption amount in a range in which the hydrogen system is able to achieve a target amount of hydrogen to be produced in a first period that includes the request period and is longer than the request period.Type: GrantFiled: June 11, 2021Date of Patent: February 27, 2024Assignee: Toshiba Energy Systems & Solutions CorporationInventors: Takashi Akiba, Shingo Tamaru, Shin Kato, Fumiyuki Yamane
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Patent number: 11909212Abstract: A hydrogen-system control device according to the present embodiment is a hydrogen-system control device that controls a hydrogen system. The hydrogen-system control device includes an acquirer configured to acquire a predicted value of the first power for a time period for which an amount of the second power to be received has been set, and a controller configured to cause the hydrogen system to additionally produce hydrogen in an amount corresponding to a usage ratio of surplus power by which a supplied value of the first power exceeds the predicted value of the first power, wherein the controller sets the usage ratio for a first time period within a predetermined time period to a value larger than the usage ratio for a second time period that is after the first time period and within the predetermined time period.Type: GrantFiled: June 11, 2021Date of Patent: February 20, 2024Assignee: Toshiba Energy Systems & Solutions CorporationInventors: Shingo Tamaru, Takashi Akiba, Fumiyuki Yamane, Shin Kato
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Patent number: 11906164Abstract: A combustor of an embodiment includes: a combustor casing; a combustor liner which is provided in the combustor casing and combusts a fuel and an oxidant to produce a combustion gas; a pipe-shaped member provided to penetrate the combustor casing and the combustor liner; a heat-resistant glass which is provided on the combustor casing side in the pipe-shaped member and closes the pipe-shaped member; a laser light supply mechanism which irradiates an interior of the combustor liner through the heat-resistant glass and an interior of the pipe-shaped member with a laser light; and a contact prevention mechanism which prevents a combustion gas in the combustor liner from coming into contact with the heat-resistant glass.Type: GrantFiled: January 20, 2023Date of Patent: February 20, 2024Assignee: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yasunori Iwai, Masao Itoh, Yuichi Morisawa, Yoshihisa Kobayashi, Shinju Suzuki
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Patent number: 11908970Abstract: A process for manufacturing a multilayered thin film, includes: forming a photovoltaic conversion layer, comprising Cu2O as a main component, on a first transparent electrode; and placing, under a first atmosphere at an oxygen level of from 5.0×10?8 [g/L] to 5.0×10?5 [g/L] for 1 h to 1600 h, a member having the photovoltaic conversion layer formed on the first transparent electrode.Type: GrantFiled: August 30, 2021Date of Patent: February 20, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Yuya Honishi, Soichiro Shibasaki, Naoyuki Nakagawa, Mutsuki Yamazaki, Yoshiko Hiraoka, Kazushige Yamamoto
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Publication number: 20240055882Abstract: A storage battery control device includes a hardware processor functioning as an acquisition unit, a first calculation unit, and a control part. The acquisition unit acquires operation conditions of a storage battery system including a storage battery being chargeable and dischargeable. The first calculation unit calculates, as a first predicted value, a battery capacity of the storage battery in a predetermined period on the basis of the operation conditions acquired by the acquisition unit. The battery capacity corresponds to a case where the storage battery is operated under the operation conditions. The control part controls a charging voltage when the storage battery system charges the storage battery. The charging voltage is controlled on the basis of the first predicted value calculated by the first calculation unit.Type: ApplicationFiled: January 7, 2021Publication date: February 15, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Masako KIUCHI, Mami MIZUTANI, Takahiro KASE, Takenori KOBAYASHI, Makoto IDE, Yukitaka MONDEN, Kenji MITSUMOTO, Yoshihisa SUMIDA
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Publication number: 20240052756Abstract: A hydraulic drive valve monitoring device includes a determination part and an alarm part. The determination part is configured to determine whether there is a sign of failure in the hydraulic drive valve device based on a result of comparison between a transition of a working fluid pressure measurement value obtained by measuring a pressure of the working fluid flowing into the valve body part and a transition of a working fluid pressure reference value set for the pressure of the working fluid flowing into the valve body part, when the opening degree of the valve body part is changed. The alarm part is configured to output an alarm when the determination part determines that there is a sign of failure in the hydraulic drive valve device.Type: ApplicationFiled: July 24, 2023Publication date: February 15, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Ryosuke AWANO, Koichi NAGAISHI, Issei TSUTSUI
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Patent number: 11901774Abstract: According to one embodiment, a rotor includes a coil slot, a sub-slot, and coil airflow paths arranged in the rotor axial direction. At least one coil airflow path among the coil airflow paths includes a first wall surface disposed on a core central portion side of a cooling gas inlet portion of the coil airflow path, a second wall surface disposed on the core central portion side of an inside of the coil airflow path, and located more on the rotor radially outward side and more on a core end portion side than the first wall surface, and a third wall surface configured to connect the first wall surface and the second wall surface, the third wall surface including a surface perpendicular to a rotor radial direction.Type: GrantFiled: March 12, 2021Date of Patent: February 13, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, Toshiba Energy Systems & Solutions CorporationInventors: Takashi Harakawa, Shinji Kubo, Yasuo Kabata, Yoshihiro Taniyama, Ryo Fuchimoto, Koji Ando
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Patent number: 11901474Abstract: A solar cell of an embodiment includes a p-electrode, an n-electrode, a p-type light-absorbing layer located between the p-electrode and the n-electrode and mainly containing a cuprous oxide, and a first n-type layer which is located between the p-type light-absorbing layer and the n-electrode, which mainly contains a compound represented by Gax1M1x2M2x3M3x4M4x5Ox6, the M1 being Hf and/or Zr, the M2 being one or more selected from the group consisting of In, Ti, and Zn, the M3 being Al and/or B, the M4 is one or more selected from the group consisting of Sn, Si, and Ge, the x1, the x2, and the x6 being more than 0, the x3, the x4, and the x5 being 0 or more, and the x6 when a sum of the x1, the x2, the x3, the x4, and the x5 is 2 being 3.0 or more and 3.8 or less.Type: GrantFiled: September 7, 2022Date of Patent: February 13, 2024Assignees: KABUSAIRES KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Soichiro Shibasaki, Yuya Honishi, Naoyuki Nakagawa, Mutsuki Yamazaki, Yukitami Mizuno, Yasutaka Nishida, Kazushige Yamamoto
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Patent number: 11892169Abstract: A combustor structure of an embodiment is disposed to penetrate, from a direction perpendicular to an axial direction of a turbine rotor in a supercritical CO2 gas turbine which uses supercritical CO2 for a working fluid, a casing of the supercritical CO2 gas turbine. The combustor structure includes a plurality of combustors. Each of the combustors includes: a combustor liner in a cylindrical shape, which combusts fuel and an oxidant; a fuel supply part which is provided at an upstream end of the combustor liner and supplies the fuel into the combustor liner; and an oxidant supply part which is provided at the upstream end of the combustor liner and supplies the oxidant into the combustor liner.Type: GrantFiled: December 27, 2021Date of Patent: February 6, 2024Assignee: TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Masao Itoh, Yasunori Iwai, Takashi Sasaki, Yuichi Morisawa, Hiroki Kasuya
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Patent number: 11888076Abstract: A solar cell of an embodiment includes: a transparent substrate; a p-electrode on the substrate, the p-electrode including a first p-electrode containing an Sn-based metal oxide, a second p-electrode having an opening and consisting of a wiring containing a metal or graphene, and a third p-electrode containing an In-based metal oxide; a p-type light absorbing layer in direct contact with a surface of the first p-electrode on a side opposite to the second p-electrode side; an n-type layer provided on the p-type light absorbing layer; and an n-electrode provided on the n-type layer. The third p-electrode is provided to be present between the first p-electrode and the second p-electrode and to be in direct contact with an upper surface of the second p-electrode. An entire side surface of the second p-electrode is in direct contact with the first p-electrode.Type: GrantFiled: September 9, 2021Date of Patent: January 30, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Kazushige Yamamoto, Soichiro Shibasaki, Yuya Honishi, Naoyuki Nakagawa, Mutsuki Yamazaki, Yoshiko Hiraoka
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Publication number: 20240028992Abstract: A planning device includes: a specifying unit that specifies a demand type categorizing a hydrogen demand and an intended use of the hydrogen demand; an importance degree setting unit that sets an importance degree table configured to link importance degrees of the demand type and the intended use with results of the specification; an importance degree determining unit that determines the importance degree of the demand type and the importance degree of the intended use based on the hydrogen demand information, the results of the specification, and the importance degree table; a demand predicting unit that predicts the hydrogen demand based on the hydrogen demand information and the results of the specification; and a supply plan creating unit that creates a hydrogen supply plan based on the state information, the hydrogen demand information, a result of the prediction, the importance degrees, and an electric power information.Type: ApplicationFiled: July 3, 2023Publication date: January 25, 2024Applicants: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Keita NAKAJIMA, Takashi AKIBA, Fumiyuki YAMANE
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Patent number: 11879178Abstract: An electrochemical device of an embodiment includes: an electrochemical cell including a first electrode having a first flow path, a second electrode having a second flow path, and a separating membrane sandwiched between the first electrode and the second electrode; a gas-liquid separation tank which is connected to the first flow path of the first electrode and to which a product produced at the first electrode and water permeating from the second electrode to the first electrode are sent at an operation time; and a water sealing pipe which is connected to a liquid portion of the gas-liquid separation tank, and to send water in the gas-liquid separation tank to the first flow path of the first electrode at a stop time.Type: GrantFiled: August 19, 2021Date of Patent: January 23, 2024Assignees: KABUSHIKI KAISHA TOSHIBA, TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATIONInventors: Norihiro Yoshinaga, Ryota Kitagawa, Shinichi Sekiguchi
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Publication number: 20240019860Abstract: According to one embodiment, an abnormality cause diagnosis device performs first determination processing of determining whether the operation data satisfies a predetermined condition, when the cause of the abnormality can be specified, displays information representing the cause of the abnormality and the measure associated with the cause, when the cause of the abnormality cannot be specified, displays the question to the user and performs second determination processing of determining whether the non-operation data input to the question via the second input device satisfies a predetermined condition, when the cause of the abnormality can be specified, displays information representing the cause of the abnormality and the measure associated with the cause.Type: ApplicationFiled: July 12, 2023Publication date: January 18, 2024Applicant: Toshiba Energy Systems & Solutions CorporationInventors: Kazuki Kobayashi, Reza Akhyar Ramadhan, Tsukasa Takeuchi