Patents by Inventor Hajime Nakatani
Hajime Nakatani 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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Publication number: 20240274964Abstract: A bus-bar module include an electrical-wire routing body to be assembled with a battery module configured of plural battery cells, plural bus-bars that are stored in the electrical-wire routing body and are to be electrically connected between electrodes of the battery cells, respectively, and plural electrical-wires to be connected with the battery cells via the bus-bars. The electrical-wire routing body includes a pair of electrical-wire routing passages that are divided by a slit and in which the electrical-wires are routed. Each of the electrical-wire routing passages is provided with a pair of side walls. In at least one of the pair of electrical-wire routing passages that are divided by the slit, a cut-off is formed at an upper-end corner, which faces to the slit, of one of the pair of side walls.Type: ApplicationFiled: April 23, 2024Publication date: August 15, 2024Applicant: Yazaki CorporationInventors: Kazuaki SAITO, Hiroyuki KATO, Hajime NAKATANI
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Patent number: 10529478Abstract: An air core type reactor unit, includes a first insulating plate which is provided with a first insulating spacer on one side, a first ferromagnetic member metal plate fixed to an insulating plate, two or more air core coils each having an air core part and formed of coil layers with the separation of an air gap, a second insulating plate, which is provided with a second insulating spacer on another side thereof and has a width smaller than an inside diameter of the coil, to incorporate more air into, a second ferromagnetic member metal plate fixed to an insulating plate, and an insulating stick passing through the air core part of the air core coils, wherein the air core coils are arranged in parallel, and held and fixed between the first insulating plate and the second insulating plate through the first insulating spacer and the second insulating spacer.Type: GrantFiled: August 9, 2016Date of Patent: January 7, 2020Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Toshihiro Yoshida, Hajime Nakatani, Daisuke Takauchi, Takashi Kumagai, Kenji Shimohata, Taichiro Tamida
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Publication number: 20190221354Abstract: An air core type reactor unit, includes a first insulating plate which is provided with a first insulating spacer on one side, a first ferromagnetic member metal plate fixed to an insulating plate, two or more air core coils each having an air core part and formed of coil layers with the separation of an air gap, a second insulating plate, which is provided with a second insulating spacer on another side thereof and has a width smaller than an inside diameter of the coil, to incorporate more air into, a second ferromagnetic member metal plate fixed to an insulating plate, and an insulating stick passing through the air core part of the air core coils, wherein the air core coils are arranged in parallel, and held and fixed between the first insulating plate and the second insulating plate through the first insulating spacer and the second insulating spacer.Type: ApplicationFiled: August 9, 2016Publication date: July 18, 2019Applicant: Mitsubishi Electric CorporationInventors: Toshihiro YOSHIDA, Hajime Nakatani, Daisuke Takauchi, Takashi Kumagai, Kenji Shimohata, Taichiro Tamida
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Publication number: 20190172622Abstract: A power supply device for an ozone generator, which supplies electric power to the ozone generator, is configured such that: a transformer, an inverter, and a reactor are disposed inside of one housing; a flat heat exchanger which cools passing air with cooling water is disposed at a lower part inside of the housing; the transformer and the inverter are disposed above the heat exchanger; the reactor is disposed above the transformer and the inverter; a protection panel is disposed further toward the front side of the housing than the transformer and the inverter by being separated from a front door of the housing; and cooling air is circulated in the housing by means of a fan that disposed at a position inside of the front door.Type: ApplicationFiled: August 9, 2016Publication date: June 6, 2019Applicant: Mitsubishi Electric CorporationInventors: Daisuke TAKAUCHI, Yoshiaki ODAI, Hajime NAKATANI, Toshihiro YOSHIDA, Takashi KUMAGAI, Kenji SHIMOHATA, Satoru ISHIZAKA, Taichiro TAMIDA
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Patent number: 10112832Abstract: This invention aims at improving the reliability of the electrode in an ozone generator, and also at shortening the start-up time of the ozone generator after the maintenance. The ozone generator comprising; a dielectric discharge tube, having a closed end and an open end which are faced each other, and including an electrode formed on an inner surface thereof, a sealing lid, covering the open end of the dielectric discharge tube and fixed to the dielectric discharge tube with an adhesive, a power supply brush, in inscribed contact with the electrode formed on the inner surface of the dielectric discharge tube, and a grounding electrode, arranged concentrically with the dielectric discharge tube; wherein the sealing lid includes a main body part and a cylinder part, which are connected together, and an inside diameter of the cylinder part is larger than an outside diameter of the dielectric discharge tube.Type: GrantFiled: November 27, 2014Date of Patent: October 30, 2018Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Hajime Nakatani, Daisuke Takauchi, Naoki Hiranabe, Yoshiaki Odai, Toshihiro Yoshida
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Publication number: 20170158507Abstract: This invention aims at improving the reliability of the electrode in an ozone generator, and also at shortening the start-up time of the ozone generator after the maintenance. The ozone generator comprising; a dielectric discharge tube, having a closed end and an open end which are faced each other, and including an electrode formed on an inner surface thereof, a sealing lid, covering the open end of the dielectric discharge tube and fixed to the dielectric discharge tube with an adhesive, a power supply brush, in inscribed contact with the electrode formed on the inner surface of the dielectric discharge tube, and a grounding electrode, arranged concentrically with the dielectric discharge tube; wherein the sealing lid includes a main body part and a cylinder part, which are connected together, and an inside diameter of the cylinder part is larger than an outside diameter of the dielectric discharge tube.Type: ApplicationFiled: November 27, 2014Publication date: June 8, 2017Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Hajime NAKATANI, Daisuke TAKAUCHI, Naoki HIRANABE, Yoshiaki ODAI, Toshihiro YOSHIDA
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Patent number: 9371229Abstract: A system including: an ozone generating device including discharge electrodes forming a discharge space; a gas supplying device; a power source device that supplies power to the discharge electrodes; a temperature adjustment device that adjusts temperature of the discharge electrodes; a control unit that controls the ozone generating device; and a detection unit that detects an ozone generation parameter in the ozone generating device. The control unit increases temperature of the discharge electrodes up to a vaporizing temperature of dinitrogen pentoxide by controlling the temperature adjustment device and the gas supplying device or the temperature adjustment device and the power source device, based on the output ozone generation parameter, to thereby switch operation from a normal operation mode to a cleaning operation mode in which surfaces of the discharge electrodes and the discharge space are cleaned up while continuing generation of ozone in the discharge space.Type: GrantFiled: February 12, 2013Date of Patent: June 21, 2016Assignee: Mitsubishi Electric CorporationInventors: Noboru Wada, Norimitsu Esaki, Hajime Nakatani, Yasutaka Inanaga, Yoshiaki Odai
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Publication number: 20160027568Abstract: This invention is provided with: a wind tunnel that, while keeping an insulating distance to pair-forming coils, surrounds a region from a yoke portion of a core to at least a part of the pair-forming coils, to thereby guide a flow of cooling air for the pair-forming coils into an extending direction of leg portions; a supporting structural member that is fixed to the yoke portion to support inside the wind tunnel, the core and the pair-forming coils; and a windshield plate that partly shields a gap between the pair-forming coils and the wind tunnel; wherein, in the supporting structural member, air holes for passing the cooling air therethrough are formed in corresponding to inner gaps of the coils.Type: ApplicationFiled: July 18, 2013Publication date: January 28, 2016Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Daisuke TAKAUCHI, Hajime NAKATANI, Kazutoshi KURAHASHI
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Patent number: 9238213Abstract: An ozone generating apparatus which is provided with a discharge suppressing member formed of a metal plate and covering an outer circumferential surface of a portion of a dielectric tube facing to a tube sheet, the discharge suppressing member being electrically in contact with a metal tube or the tube sheet, wherein the discharge suppressing member is formed by curling the metal plate longer than a circumferential length of the dielectric tube into a circular shape so as to have an overlapping portion, and by joining together, in the overlapping portion, a part of the metal plate placed outside and a part of the metal plate placed inside, at a near-end portion of the metal plate placed outside in the overlapping portion, and wherein the discharge suppressing member has, on the part of the metal plate placed outside in the overlapping portion, a spring portion.Type: GrantFiled: April 23, 2012Date of Patent: January 19, 2016Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Takahisa Nagayama, Hajime Nakatani, Yoshiaki Odai, Noboru Wada
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Patent number: 9233848Abstract: An ozone generation system comprises an electricity charge unit price storing part which stores an electricity charge unit and a gas charge unit price storing part which stores a gas charge unit price, based on the electricity charge unit price, the gas charge unit price and necessary generation amount of ozone which is required for an ozonized gas, regarding an ozone concentration and a gas flow rate which are ozone generation amount basic parameters, values at which a running cost is a minimum are determined, a gas flow rate controller is controlled so as for a gas flow rate to be the determined gas flow rate and power of a power supply for an ozone generator is controlled so as for an ozone concentration to be the determined ozone concentration.Type: GrantFiled: April 13, 2011Date of Patent: January 12, 2016Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Hajime Nakatani, Tetsuya Tamura, Norimitsu Esaki, Yoshiaki Odai, Tomoaki Takeda
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Publication number: 20150021162Abstract: A system including: an ozone generating device including discharge electrodes forming a discharge space; a gas supplying device; a power source device that supplies power to the discharge electrodes; a temperature adjustment device that adjusts temperature of the discharge electrodes; a control unit that controls the ozone generating device; and a detection unit that detects an ozone generation parameter in the ozone generating device. The control unit increases temperature of the discharge electrodes up to a vaporizing temperature of dinitrogen pentoxide by controlling the temperature adjustment device and the gas supplying device or the temperature adjustment device and the power source device, based on the output ozone generation parameter, to thereby switch operation from a normal operation mode to a cleaning operation mode in which surfaces of the discharge electrodes and the discharge space are cleaned up while continuing generation of ozone in the discharge space.Type: ApplicationFiled: February 12, 2013Publication date: January 22, 2015Applicant: Mitsubishi Electric CorporationInventors: Noboru Wada, Norimitsu Esaki, Hajime Nakatani, Yasutaka Inanaga, Yoshiaki Odai
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Publication number: 20140356244Abstract: An ozone generating apparatus which is provided with a discharge suppressing member formed of a metal plate and covering an outer circumferential surface of a portion of a dielectric tube facing to a tube sheet, the discharge suppressing member being electrically in contact with a metal tube or the tube sheet, wherein the discharge suppressing member is formed by curling the metal plate longer than a circumferential length of the dielectric tube into a circular shape so as to have an overlapping portion, and by joining together, in the overlapping portion, a part of the metal plate placed outside and a part of the metal plate placed inside, at a near-end portion of the metal plate placed outside in the overlapping portion, and wherein the discharge suppressing member has, on the part of the metal plate placed outside in the overlapping portion, a spring portion.Type: ApplicationFiled: April 23, 2012Publication date: December 4, 2014Applicant: Mitsubishi Electric CorporationInventors: Takahisa Nagayama, Hajime Nakatani, Yoshiaki Odai, Noboru Wada
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Patent number: 8896316Abstract: In a device having capacitive loads in which a plurality of capacitive loads are connected in parallel, power is supplied from an AC power source to a load group comprising the plurality of capacitive loads, the load group is divided into a plurality of small load groups, and a current detecting sensor for detecting a current which flows in at least one small load group at a side which is closer to the load side than a branch point at which the load group is divided into the plurality of small load groups and a current abnormality detecting part for determining an abnormality of a load by a current detecting signal which is detected by the current detecting sensor are equipped.Type: GrantFiled: June 17, 2010Date of Patent: November 25, 2014Assignee: Mitsubshi Electric CorporationInventors: Kazutoshi Kurahashi, Takashi Kumagai, Taichiro Tamida, Hajime Nakatani, Daisuke Takauchi
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Publication number: 20130313106Abstract: An ozone generation system comprises an electricity charge unit price storing part which stores an electricity charge unit and a gas charge unit price storing part which stores a gas charge unit price, based on the electricity charge unit price, the gas charge unit price and necessary generation amount of ozone which is required for an ozonized gas, regarding an ozone concentration and a gas flow rate which are ozone generation amount basic parameters, values at which a running cost is a minimum are determined, a gas flow rate controller is controlled so as for a gas flow rate to be the determined gas flow rate and power of a power supply for an ozone generator is controlled so as for an ozone concentration to be the determined ozone concentration.Type: ApplicationFiled: April 13, 2011Publication date: November 28, 2013Applicant: Mitsubishi Electric CorporationInventors: Hajime Nakatani, Tetsuya Tamura, Norimitsu Esaki, Yoshiaki Odai, Tomoaki Takeda
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Patent number: 8591822Abstract: An ozone generating apparatus for making a temperature distribution in a dielectric tube more uniform including a sealed vessel, two tube sheets made of a conductive metal plate having a hole formed therein which are provided at a predetermined interval to divide the inside of the sealed vessel into three spaces; a metal tube formed so as to connect holes of the tow tube sheets, a dielectric tube which is inserted into the inner part of a dielectric tube so as to have a predetermined gap between an outer wall an inner wall of a metal tube and a metal electrode formed inside the dielectric tube. An alternating current voltage is applied between the tube and electrode, a gas including oxygen flowing in a gap is discharged to generate ozone, and a discharge suppressing member is provided at a part of the gap facing a tube sheet.Type: GrantFiled: January 20, 2010Date of Patent: November 26, 2013Assignee: Mitsubishi Electric CorporationInventors: Daisuke Takauchi, Yoshiaki Odai, Masayuki Endo, Hajime Nakatani
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Patent number: 8444831Abstract: A method of generating ozone by applying a silent discharge to oxygen as a first raw material gas, and an oxide compound gas, as a second raw material gas, in which excited light, excited and generated by a discharge in the oxygen and the oxide compound gas, dissociates the oxide compound gas, or excites the oxide compound gas, accelerating dissociation of the oxygen and generation of ozone. In this way, ozone generation efficiency is raised.Type: GrantFiled: January 11, 2012Date of Patent: May 21, 2013Assignee: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Youichiro Tabata, Hajime Nakatani, Masaki Kuzumoto
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Patent number: 8337767Abstract: An ozone generating apparatus having high reliability in which a glass tube can prevent from being damaged by melting a power feeding brush even if a large amount of short-circuit current flows. In an ozone generating apparatus using silent discharge, an alternating high voltage power is supplied from a power supply to a metal film formed in an inner wall of a glass tube by a power feeding brush comprising a brush shaft made of metal and a large number of metal thin wires fixed to the periphery of the brush shaft, the following equation satisfies. (D2/D1)?1/{1+(1/20?)}, wherein ‘D1’ indicates an outer diameter of a bundle of metal thin wires, ‘D2’ indicates an outer diameter of the brush shaft and ‘?’ indicates the line density of metal thin wires on a surface of the brush shaft.Type: GrantFiled: January 20, 2010Date of Patent: December 25, 2012Assignee: Mitsubishi Electric CorporationInventors: Hajime Nakatani, Daisuke Takauchi, Tomoaki Takeda, Koichi Tokimori
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Publication number: 20120319696Abstract: In a device having capacitive loads in which a plurality of capacitive loads are connected in parallel, power is supplied from an AC power source to a load group comprising the plurality of capacitive loads, the load group is divided into a plurality of small load groups, and a current detecting sensor for detecting a current which flows in at least one small load group at a side which is closer to the load side than a branch point at which the load group is divided into the plurality of small load groups and a current abnormality detecting part for determining an abnormality of a load by a current detecting signal which is detected by the current detecting sensor are equipped.Type: ApplicationFiled: June 17, 2010Publication date: December 20, 2012Applicant: Mitsubishi Electric CorporationInventors: Kazutoshi Kurahashi, Takashi Kumagai, Taichiro Tamida, Hajime Nakatani, Daisuke Takauchi
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Publication number: 20120103791Abstract: A method of generating ozone by applying a silent discharge to oxygen as a first raw material gas, and an oxide compound gas, as a second raw material gas, in which excited light, excited and generated by a discharge in the oxygen and the oxide compound gas, dissociates the oxide compound gas, or excites the oxide compound gas, accelerating dissociation of the oxygen and generation of ozone. In this way, ozone generation efficiency is raised.Type: ApplicationFiled: January 11, 2012Publication date: May 3, 2012Applicant: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYSTEMS CORPORATIONInventors: Youichiro TABATA, Hajime NAKATANI, Masaki KUZUMOTO
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Patent number: 7922979Abstract: A silent discharge plasma apparatus includes a dielectric member, a pair of electrodes opposed to each other across the dielectric member and an alternating-current source applying an alternating-current voltage between the electrodes and causing a discharge. A gas is supplied to a discharge space, where discharge occurs, and a plasma is produced. At least one of the electrodes includes a conductive power feeding thin film on the dielectric member. When the dielectric member is destroyed and an arc discharge develops between the electrodes, the power feeding thin film is eliminated or oxidized, and the arc discharge is stopped.Type: GrantFiled: March 16, 2006Date of Patent: April 12, 2011Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Noboru Wada, Masaki Kuzumoto, Hajime Nakatani, Hiroyuki Igehara, Norimitsu Esaki, Shingo Mine, Taichiro Tamida