Patents by Inventor Yoshiharu Hayashi
Yoshiharu Hayashi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 12248049Abstract: A high-frequency magnetic field generating device includes two coils arranged with a predetermined gap in parallel with each other, the two coils (a) in between which electron spin resonance material is arranged or (b) arranged at one side from electron spin resonance material; a high-frequency power supply that generates microwave current that flows in the two coils; and a transmission line part connected to the two coils, that sets a current distribution so as to locate the two coils at positions other than a node of a stationary wave.Type: GrantFiled: April 24, 2023Date of Patent: March 11, 2025Assignee: SUMIDA CORPORATIONInventors: Yoshiharu Yoshii, Masaki Saito, Norikazu Mizuochi, Kan Hayashi
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Publication number: 20250050519Abstract: The present disclosure provides an outer net blade member capable of forming an outer net blade capable of shaving hair more efficiently, the outer net blade formed using the outer net blade member, and an electric razor including the outer net blade. The outer net blade member according to the present disclosure is capable of forming the outer net blade provided on the electric razor. The outer net blade member includes a cuttable region in which multiple blade holes each in a substantially hexagonal shape are formed in rows in a first direction and a second direction orthogonal to the first direction. The blade holes are formed in a state of forming a row in the second direction in which the blade holes adjacent to each other in the second direction are shifted from each other in position in the first direction.Type: ApplicationFiled: July 1, 2024Publication date: February 13, 2025Inventors: SATOSHI UCHIDA, ATSUTAKA IKEMOTO, SHUNSUKE KOMORI, YOSHIHARU HAYASHI, HIROKI OSHIMA
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Publication number: 20220262249Abstract: A rescheduling system performs rescheduling of passenger transports, some of which should be operated with priority and some of which should be operated ordinarily and includes a schedule prediction simulator unit adapted to create a forecast schedule in which a delay of a passenger transport has been incorporated into the planned schedule and create a modified schedule in which rescheduled objects in a timetable have been incorporated into the forecast schedule; and a rescheduling decision unit adapted to select passenger transports to be rescheduled using the planned schedule and the forecast schedule, determine the rescheduled objects in timetable with respect to the passenger transports to be rescheduled using a relationship between relative traveling positions of respective passenger transports, information relevant to advancing routes of the passenger transports, and other rescheduling history information, and give the determined rescheduled objects in the timetable to the schedule prediction simulator.Type: ApplicationFiled: August 30, 2021Publication date: August 18, 2022Inventors: Yoshiharu HAYASHI, Yoshinari HORI, Takaaki SEKIAI, Yasuharu NAMBA
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Publication number: 20130319299Abstract: In a boiler, a heat exchanger provided in one of two flow paths formed by partitioning a downstream portion of a flow path for exhaust gas discharged from a furnace has a smaller total heat transfer area than a heat exchanger provided in the other of the two flow paths; the exhaust gases discharged from the flow paths to outside the boiler are introduced, without being mixed, into an air heater downstream of the boiler; and, in the air heater, the heat of the exhaust gases is transferred to the primary air and the secondary air so as to heat combustion air.Type: ApplicationFiled: May 28, 2013Publication date: December 5, 2013Applicant: Hitachi, Ltd.Inventors: Masato HANDA, Yoshiharu HAYASHI, Tsuyoshi SHIBATA
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Patent number: 8578868Abstract: An oxyfuel combustion boiler plant comprising: an air separation unit for manufacturing oxygen by separating nitrogen from air, a boiler having a burner for burning the oxygen supplied from the air separation unit and pulverized coal, and a primary system pipe for supplying the pulverized coal to the burner, an exhaust gas recirculation system pipe for supplying combustion exhaust gas discharged from the boiler to the primary system pipe, and a carbon dioxide capture unit for capturing carbon dioxide in the exhaust gas discharged from the boiler, the oxyfuel combustion boiler plant is further comprising: an oxygen supply pipe for supplying the oxygen manufactured by the air separation unit to the primary system pipe in the burner, and a pipe for supplying the combustion exhaust gas discharged from the boiler to the oxygen supply pipe, wherein an injection port of the oxygen supply pipe is disposed on an upstream side of an injection portion of the burner.Type: GrantFiled: September 29, 2010Date of Patent: November 12, 2013Assignee: Hitachi, Ltd.Inventors: Masayuki Taniguchi, Tsuyoshi Shibata, Yoshiharu Hayashi
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Patent number: 8561555Abstract: An oxyfuel combustion boiler plant having a first boiler and a second boiler for injecting gas including oxygen in higher concentration than that in the air, gas including carbon dioxide in higher concentration than that in the air, and fuel from a burner and generating steam by combustion gas in a furnace, respectively, comprising: an exhaust gas supply pipe for supplying exhaust gas discharged from the first boiler to a burner of the second boiler, and a gas flow rate control apparatus for controlling a flow rate of exhaust gas flowing through the exhaust gas supply pipe.Type: GrantFiled: February 18, 2010Date of Patent: October 22, 2013Assignee: Hitachi, Ltd.Inventors: Akihiro Yamada, Tsuyoshi Shibata, Yoshiharu Hayashi
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Patent number: 8554706Abstract: A gas concentration estimation device of a coal-burning boiler adapted to estimate the concentration of the gas component included in an exhaust gas emitted from a coal-burning boiler using a neural network, including: a process database section adapted to store process data of a coal-burning boiler; a filtering processing section adapted to perform filtering processing for extracting data suitable for learning of a neural network from the process data stored in the process database section; a neural-network learning processing section adapted to perform learning processing of the neural network based on the data extracted by the filtering processing section and suitable for learning of the neural network; and a neural-network estimation processing section adapted to perform estimation processing of the CO concentration or the NOx concentration in the exhaust gas emitted from the coal-burning boiler based on the learning processing of the neural-network learning processing section.Type: GrantFiled: March 9, 2012Date of Patent: October 8, 2013Assignee: Hitachi, Ltd.Inventors: Yoshiharu Hayashi, Akihiro Yamada, Takaaki Sekiai, Satoru Shimizu, Masayuki Fukai
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Patent number: 8534236Abstract: An oxyfuel combustion boiler plant comprising: a boiler having an air separation unit for manufacturing oxygen by separating nitrogen from air, a burner for burning the oxygen supplied from the air separation unit and pulverized coal, and a primary system pipe for supplying the pulverized coal to the burner, exhaust gas recirculation system pipe for supplying combustion exhaust gas discharged from the boiler to the primary system pipe, a carbon dioxide capture unit for capturing carbon dioxide in the exhaust gas discharged from the boiler, the oxyfuel combustion boiler plant is further comprising: an oxygen buffer tank disposed on a downstream side of the air separation unit; an oxygen supply pipe for supplying oxygen to the primary system pipe of the burner from the oxygen buffer tank; and a nitrogen supply pipe for supplying a part of nitrogen generated from the air separation unit or an air supply pipe for supplying air from outside which is connected to the oxygen supply pipe on a downstream side of theType: GrantFiled: September 29, 2010Date of Patent: September 17, 2013Assignee: Hitachi, Ltd.Inventors: Masayuki Taniguchi, Tsuyoshi Shibata, Yoshiharu Hayashi
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Patent number: 8413596Abstract: An oxyfuel boiler 1 is equipped with an oxygen separation apparatus 23 to produce oxygen by separating oxygen from the air, a recirculation fan 26 to supply a portion of combustion flue gas branched from the combustion flue gas discharged from the boiler to the oxyfuel boiler 1, a temperature sensor 14a to detect gas temperature at a boiler outlet 1d in the oxyfuel boiler 1, and a control apparatus 150 to calculate gas temperature at a furnace outlet 1c in the boiler from the gas temperature at the boiler outlet 1d detected by the temperature sensor 14a and control the operating condition of the recirculation fan 26 so that the calculated gas temperature at the furnace outlet 1c becomes a desired preset gas temperature.Type: GrantFiled: October 19, 2009Date of Patent: April 9, 2013Assignee: Hitachi, Ltd.Inventors: Yoshiharu Hayashi, Akihiro Yamada, Tsuyoshi Shibata
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Patent number: 8393065Abstract: A method for retrofitting a pulverized coal boiler in an air combustion boiler system is disclosed, which has a plurality of burners over a plurality of stages along the vertical direction on a wall surface of a furnace of the pulverized coal boiler and an after-air port for introducing air for two-stage combustion located above the burners to retrofit into a two-stage combustion pulverized coal boiler in an oxyfuel combustion boiler system.Type: GrantFiled: October 20, 2010Date of Patent: March 12, 2013Assignee: Hitachi, Ltd.Inventors: Tetsuma Tatsumi, Masayuki Taniguchi, Tsuyoshi Shibata, Yoshiharu Hayashi
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Patent number: 8368274Abstract: Dynamoelectric machine having holding grooves recessed into yoke portions with openings on respective facing portions of inner wall surfaces of trough portions, at axially inner ends of the yoke portions, having axial groove directions, and an end surface in a groove length direction constitutes a stopping surface. Magnet material holders are disposed spanning the trough portions radially inside inner circumferential surfaces near tip ends of claw-shaped magnetic pole portions, fitted from axially inside into each holding groove, are recessed to face each other on the trough portions restricting circumferential and radial motion by inner wall surfaces of the holding grooves and axially outward movement restricted by the stopping surface.Type: GrantFiled: November 10, 2008Date of Patent: February 5, 2013Assignee: Mitsubishi Electric CorporationInventors: Toshiyuki Yoshizawa, Masaya Inoue, Ryuichi Shimomura, Takuma Wada, Kanji Shinkawa, Masao Morita, Yoshiharu Hayashi, Kazuya Nakamachi, Kazunori Tanaka
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Publication number: 20120324893Abstract: A coal-fired power plant having a control unit including a first flow rate control valve for regulating a water flow rate of a water feed bypass system, a second flow rate control valve installed in an extraction pipe for extracting steam from a steam turbine, a first temperature sensor on a downstream side of a heat recovery device, and a second temperature sensor on a downstream side of a heat exchanger and the control unit regulates opening of the first and second flow rate control valves on the basis of an exhaust gas temperature detected by the first temperature sensor and a feed water temperature detected by the second temperature sensor. Accordingly, even when a recovery heat quantity of the heat recovery device installed on a gas duct is changed due to deterioration with age of a boiler, a reduction in plant reliability and plant efficiency can be suppressed.Type: ApplicationFiled: February 7, 2011Publication date: December 27, 2012Applicant: Hitachi, Ltd.Inventor: Yoshiharu Hayashi
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Publication number: 20120166375Abstract: A gas concentration estimation device of a coal-burning boiler adapted to estimate the concentration of the gas component included in an exhaust gas emitted from a coal-burning boiler using a neural network, including: a process database section adapted to store process data of a coal-burning boiler; a filtering processing section adapted to perform filtering processing for extracting data suitable for learning of a neural network from the process data stored in the process database section; a neural-network learning processing section adapted to perform learning processing of the neural network based on the data extracted by the filtering processing section and suitable for learning of the neural network; and a neural-network estimation processing section adapted to perform estimation processing of the CO concentration or the NOx concentration in the exhaust gas emitted from the coal-burning boiler based on the learning processing of the neural-network learning processing section.Type: ApplicationFiled: March 9, 2012Publication date: June 28, 2012Applicant: Hitachi, Ltd.Inventors: Takaaki SEKIAI, Akihiro YAMADA, Satoru SHIMIZU, Masayuki FUKAI, Yoshiharu HAYASHI
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Patent number: 8209040Abstract: A plant control apparatus has a measurement signal DB, an operation signal DB, a numerical value analysis executing unit, a numerical value analysis result DB, a model for estimating a value of a measurement signal for an operation signal, learning unit using the model, a learning information DB, a control logic DB for information used by an operation signal generating unit, a knowledge DB for plant running characteristics, and an analyzing unit processing information in the numerical value analysis result DB by information in the knowledge DB, learning information DB, operation signal DB, and measurement signal DB, wherein the analyzing unit includes at least one of a learning base analyzing unit checking adequacy of an operation method, a signal analyzing unit for evaluating an effect of the operation signal upon the plant and presence/absence of an abnormal signal, and a knowledge DB updating unit correcting information in the knowledge DB.Type: GrantFiled: January 10, 2008Date of Patent: June 26, 2012Assignee: Hitachi, Ltd.Inventors: Takaaki Sekiai, Akihiro Yamada, Yoshiharu Hayashi, Masaki Kanada, Toru Eguchi, Satoru Shimizu, Masayuki Fukai
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Patent number: 8095479Abstract: There is provided a control apparatus including a function of generating an operation signal applied to a control subject and a model that simulates characteristics of the control subject, a function of receiving an evaluation value signal calculated based on a measurement signal obtained by applying the operation signal to the control subject and the model, and a function of learning to generate the operation signal such that an expected value of the sum of the evaluation value signals obtained from a present state to a future state is either maximum or minimum in which the evaluation value signal calculated based on the measurement signal from the model is calculated by adding a first evaluation value obtained based on a deviation between the measurement signal obtained from the model and a setpoint value, and a second evaluation value obtained based on a difference in characteristics between the model and the control subject.Type: GrantFiled: January 18, 2007Date of Patent: January 10, 2012Assignee: Hitachi, Ltd.Inventors: Takaaki Sekiai, Satoru Shimizu, Eiichi Kaminaga, Akihiro Yamada, Yoshiharu Hayashi, Naohiro Kusumi, Masayuki Fukai
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Patent number: 7999425Abstract: Assembly of a controller-integrated rotating electric machine is facilitated. In a controller-integrated rotating electric machine provided with a rotating electric machine unit having a rotor (2), a stator (3), and brackets (4, 5); a plurality of stator current switching circuit units (13) that are attached on an insulator cover (14) mounted on the brackets (4, 5); and a controller unit having a control circuit board (102), the stator current switching circuit unit (13) is provided with a plurality of switching elements (13a) and a plurality of switching elements (13b); a pair of heat sinks (13g, 13h) with which the drain terminals of the switching elements (13a, 13b) are connected; and a pair of electric connection members (17, 18) that pull out the terminals of the switching elements (13a, 13b) and that hold and integrate the pair of heat sinks (13g, 13h).Type: GrantFiled: April 15, 2009Date of Patent: August 16, 2011Assignee: Mitsubishi Electric CorporationInventors: Yoshinobu Utsumi, Masahiko Fujita, Yoshiharu Hayashi
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Publication number: 20110181142Abstract: The present invention provides a dynamoelectric machine and a method for manufacturing a rotor therefor that can hold permanent magnets stably for a long time by a simple magnet holding construction.Type: ApplicationFiled: November 10, 2008Publication date: July 28, 2011Inventors: Toshiyuki Yoshizawa, Masaya Inoue, Ryuichi Shimomura, Takuma Wada, Kanji Shinkawa, Masao Morita, Yoshiharu Hayashi, Kazuya Nakamachi, Kazunori Tanaka
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Publication number: 20110094105Abstract: A method for retrofitting a pulverized coal boiler in an air combustion boiler system is disclosed, which has a plurality of burners over a plurality of stages along the vertical direction on a wall surface of a furnace of the pulverized coal boiler and an after-air port for introducing air for two-stage combustion located above the burners to retrofit into a two-stage combustion pulverized coal boiler in an oxyfuel combustion boiler system.Type: ApplicationFiled: October 20, 2010Publication date: April 28, 2011Applicant: Hitachi, Ltd.Inventors: Tetsuma TATSUMI, Masayuki Taniguchi, Tsuyoshi Shibata, Yoshiharu Hayashi
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Publication number: 20110073020Abstract: An oxyfuel combustion boiler plant comprising: an air separation unit for manufacturing oxygen by separating nitrogen from air, a boiler having a burner for burning the oxygen supplied from the air separation unit and pulverized coal, and a primary system pipe for supplying the pulverized coal to the burner, an exhaust gas recirculation system pipe for supplying combustion exhaust gas discharged from the boiler to the primary system pipe, and a carbon dioxide capture unit for capturing carbon dioxide in the exhaust gas discharged from the boiler, the oxyfuel combustion boiler plant is further comprising: an oxygen supply pipe for supplying the oxygen manufactured by the air separation unit to the primary system pipe in the burner, and a pipe for supplying the combustion exhaust gas discharged from the boiler to the oxygen supply pipe, wherein an injection port of the oxygen supply pipe is disposed on an upstream side of an injection portion of the burner.Type: ApplicationFiled: September 29, 2010Publication date: March 31, 2011Applicant: Hitachi, Ltd.Inventors: Masayuki TANIGUCHI, Tsuyoshi Shibata, Yoshiharu Hayashi
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Publication number: 20110073051Abstract: An oxyfuel combustion boiler plant comprising: a boiler having an air separation unit for manufacturing oxygen by separating nitrogen from air, a burner for burning the oxygen supplied from the air separation unit and pulverized coal, and a primary system pipe for supplying the pulverized coal to the burner, exhaust gas recirculation system pipe for supplying combustion exhaust gas discharged from the boiler to the primary system pipe, a carbon dioxide capture unit for capturing carbon dioxide in the exhaust gas discharged from the boiler, the oxyfuel combustion boiler plant is further comprising: an oxygen buffer tank disposed on a downstream side of the air separation unit; an oxygen supply pipe for supplying oxygen to the primary system pipe of the burner from the oxygen buffer tank; and a nitrogen supply pipe for supplying a part of nitrogen generated from the air separation unit or an air supply pipe for supplying air from outside which is connected to the oxygen supply pipe on a downstream side of thType: ApplicationFiled: September 29, 2010Publication date: March 31, 2011Applicant: Hitachi, Ltd.Inventors: Masayuki TANIGUCHI, Tsuyoshi SHIBATA, Yoshiharu HAYASHI