Patents by Inventor Yasuhiro Tanimura
Yasuhiro Tanimura 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: 20170198926Abstract: A humidity control apparatus includes a housing having an air passage formed therein; a humidity control unit including a first conductive electrode provided in the air passage and having an adsorbent attached thereto, a second conductive electrode provided in the air passage and disposed along the first conductive electrode, and a third conductive electrode interposed between the first conductive electrode and the second conductive electrode and having a potential intermediate between potentials of the first conductive electrode and the second conductive electrode; a power supply unit configured to apply a voltage to the first conductive electrode and the second conductive electrode; and a fan configured to supply air to the air passage to cause the air to flow through the humidity control unit.Type: ApplicationFiled: June 5, 2015Publication date: July 13, 2017Applicant: Mitsubishi Electric CorporationInventors: Koji OTA, Masahiro CHIKAISHI, Yasutaka INANAGA, Yasuhiro TANIMURA
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Patent number: 9457118Abstract: A corona discharge device includes a charging-section high-voltage electrode unit including a plurality of charging-section high-voltage electrodes, and a charging-section ground electrode unit includes a plurality of charging-section ground electrodes formed by flat plates. The plurality of charging-section high-voltage electrodes are arranged at intervals in a direction intersecting an airflow in an air path, and are connected to one another at at least one longitudinal end by a conductive frame portion. The plurality of charging-section ground electrodes are disposed between the charging-section high-voltage electrodes in an orientation such that flat surfaces thereof are substantially parallel to the airflow in the air path, and are connected at at least one longitudinal end by a conductive frame portion.Type: GrantFiled: April 3, 2013Date of Patent: October 4, 2016Assignee: Mitsubishi Electric CorporationInventors: Koji Ota, Yasutaka Inanaga, Akira Morikawa, Takahiro Sakai, Yasuhiro Tanimura
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Patent number: 9228752Abstract: A humidifier includes a first electrode that is a porous metal body having a three-dimensional porous structure, a second electrode that is a conductor electrode arranged opposite to the first electrode with a space of a predetermined distance from the first electrode, a power supply that forms an electric field in the space between the first electrode and the second electrode, a water supply unit that supplies water to the first electrode, and a fan that sends air to the space to evaporate and disperse the water that is supplied from the water supply unit to the first electrode and retained by the first electrode.Type: GrantFiled: August 20, 2012Date of Patent: January 5, 2016Assignee: Mitsbuishi Electric CorporationInventors: Takahiro Sakai, Akira Morikawa, Koji Ota, Yasutaka Inanaga, Yasuhiro Tanimura, Hiroshi Tsutsumi
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Publication number: 20150290352Abstract: A corona discharge device includes a charging-section high-voltage electrode unit including a plurality of charging-section high-voltage electrodes, and a charging-section ground electrode unit includes a plurality of charging-section ground electrodes formed by flat plates. The plurality of charging-section high-voltage electrodes are arranged at intervals in a direction intersecting an airflow in an air path, and are connected to one another at at least one longitudinal end by a conductive frame portion. The plurality of charging-section ground electrodes are disposed between the charging-section high-voltage electrodes in an orientation such that flat surfaces thereof are substantially parallel to the airflow in the air path, and are connected at at least one longitudinal end by a conductive frame portion.Type: ApplicationFiled: April 3, 2013Publication date: October 15, 2015Applicant: Mitsubishi Electric CorporationInventors: Koji Ota, Yasutaka Inanaga, Akira Morikawa, Takahiro Sakai, Yasuhiro Tanimura
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Patent number: 9093879Abstract: The present invention provides a method for reducing concentrations of ozone and nitric acid produced in cooling air flowing through a circulating airflow path of a rotary electric machine, the method including: disposing an ozone decomposition unit containing an ozone decomposition catalyst in the circulating airflow path; and allowing the cooling air to pass through the ozone decomposition unit so as to decompose ozone and to suppress production of nitric acid. According to the present invention, the method and device are capable of reducing the concentrations of ozone and nitric acid produced in the cooling air flowing through the circulating airflow path of the rotary electric machine for a long period of time while preventing pressure loss.Type: GrantFiled: June 1, 2011Date of Patent: July 28, 2015Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Gaku Oinuma, Noboru Wada, Yasuhiro Tanimura, Takayoshi Shimada, Katsuhiko Kibe
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Patent number: 8608832Abstract: One ozone concentrating chamber is provided therein with a part of a cooling temperature range where ozone can be selectively condensed or an oxygen gas can be selectively removed by transmission from an ozonized oxygen gas, and a part of a temperature range where condensed ozone can be vaporized, and condensed ozone is vaporized by moving condensed ozone with flow of a fluid or by gravitation to the part where condensed ozone can be vaporized, whereby the ozonized oxygen gas can be increased in concentration. Such a constitution is provided that a particle material 13 for condensation and vaporization filled in the ozone concentrating chambers 11 and 12 has a spherical shape of a special shape with multifaceted planes on side surfaces, or an oxygen transmission membrane 130 capable of selectively transmitting an oxygen gas in an ozone gas is provided.Type: GrantFiled: April 3, 2013Date of Patent: December 17, 2013Assignee: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro Tabata, Tetsuya Saitsu, Yujiro Okihara, Nobuyuki Itoh, Ryohei Ueda, Yasuhiro Tanimura, Koji Ohta
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Publication number: 20130313729Abstract: A humidifier includes a first electrode that is a porous metal body having a three-dimensional porous structure, a second electrode that is a conductor electrode arranged opposite to the first electrode with a space of a predetermined distance from the first electrode, a power supply that forms an electric field in the space between the first electrode and the second electrode, a water supply unit that supplies water to the first electrode, and a fan that sends air to the space to evaporate and disperse the water that is supplied from the water supply unit to the first electrode and retained by the first electrode.Type: ApplicationFiled: August 20, 2012Publication date: November 28, 2013Applicant: Mitsubishi Electric CorporationInventors: Takahiro Sakai, Akira Morikawa, Koji Ota, Yasutaka Inanaga, Yasuhiro Tanimura, Hiroshi Tsutsumi
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Publication number: 20130291718Abstract: One ozone concentrating chamber is provided therein with a part of a cooling temperature range where ozone can be selectively condensed or an oxygen gas can be selectively removed by transmission from an ozonized oxygen gas, and a part of a temperature range where condensed ozone can be vaporized, and condensed ozone is vaporized by moving condensed ozone with flow of a fluid or by gravitation to the part where condensed ozone can be vaporized, whereby the ozonized oxygen gas can be increased in concentration. Such a constitution is provided that a particle material 13 for condensation and vaporization filled in the ozone concentrating chambers 11 and 12 has a spherical shape of a special shape with multifaceted planes on side surfaces, or an oxygen transmission membrane 130 capable of selectively transmitting an oxygen gas in an ozone gas is provided.Type: ApplicationFiled: April 3, 2013Publication date: November 7, 2013Inventors: Yoichiro TABATA, Tetsuya SAITSU, Yujiro OKIHARA, Nobuyuki ITOH, Ryohei UEDA, Yasuhiro TANIMURA, Koji OHTA
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Patent number: 8500874Abstract: One ozone concentrating chamber is provided therein with a part of a cooling temperature range where ozone can be selectively condensed or an oxygen gas can be selectively removed by transmission from an ozonized oxygen gas, and a part of a temperature range where condensed ozone can be vaporized, and condensed ozone is vaporized by moving condensed ozone with flow of a fluid or by gravitation to the part where condensed ozone can be vaporized, whereby the ozonized oxygen gas can be increased in concentration. Such a constitution is provided that a particle material 13 for condensation and vaporization filled in the ozone concentrating chambers 11 and 12 has a spherical shape of a special shape with multifaceted planes on side surfaces, or an oxygen transmission membrane 130 capable of selectively transmitting an oxygen gas in an ozone gas is provided.Type: GrantFiled: November 29, 2006Date of Patent: August 6, 2013Assignee: Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Yoichiro Tabata, Tetsuya Saitsu, Yujiro Okihara, Nobuyuki Itoh, Ryohei Ueda, Yasuhiro Tanimura, Koji Ohta
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Patent number: 8460435Abstract: An apparatus for producing high-concentration ozone gas has a plurality of adsorption/desorption columns and a plurality of valves capable of switching opening/closing of the passage of gas flowing into or out of the adsorption/desorption columns, such that each of the adsorption/desorption columns can performs ozone adsorption processing, evacuation processing or desorption processing. At least two of the adsorption/desorption columns are placed in a serial cycle arrangement to constitute a main adsorption/desorption column group, and one or more of the other adsorption/desorption columns is placed in parallel with the main adsorption/desorption column group to constitute an auxiliary adsorption/desorption column. The auxiliary adsorption/desorption column performs desorption processing during a period in which none of the adsorption/desorption columns of the main adsorption/desorption column group is performing desorption processing.Type: GrantFiled: November 28, 2008Date of Patent: June 11, 2013Assignees: Toshiba Mitsubishi-Electric Industrial Systems Corporation, Mitsubishi Electric CorporationInventors: Yoichiro Tabata, Yujiro Okihara, Tetsuya Saitsu, Noriyuki Nakamura, Ryohei Ueda, Koji Ota, Yasuhiro Tanimura
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Patent number: 8409520Abstract: Provided is an ozone concentrator including an ozone generator (3), adsorption/desorption columns (4) in which silica gel (6) cooled with a certain-temperature refrigerant (25) for concentrating ozone generated by the ozone generator (3) is packed, a refrigerating machine (23) for cooling the refrigerant (25), a vacuum pump (20) for enhancing a concentration of the ozone in one of the adsorption/desorption columns (4) by discharging mainly oxygen from the silica gel (6) adsorbing the ozone, a plurality of valves (8) to (13) for air pressure operations, for switching passages of gas that is allowed to flow in or flow out with respect to the adsorption/desorption columns (4), and ozone concentration meters (28, 29) for measuring the concentration of the ozone enhanced by the vacuum pump (20), in which a discharge line of the vacuum pump (20) is connected to another one of the adsorption/desorption columns (4), whereby the ozone is allowed to pass through another one of the adsorption/desorption columns again.Type: GrantFiled: November 28, 2008Date of Patent: April 2, 2013Assignees: Mitsubishi Electric Corporation, Toshiba Mitsubishi-Electric Industrial Systems CorporationInventors: Koji Ota, Yasuhiro Tanimura, Yoichiro Tabata, Yujiro Okihara, Tetsuya Saitsu, Noriyuki Nakamura, Ryohei Ueda
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Publication number: 20130071298Abstract: To provide an apparatus for capture and inactivation of microbes and viruses, the apparatus is configured to be capable of performing stable removal of microbes and viruses and achieve a reduction in pressure loss. An apparatus 100 includes an air path housing 10, a charging-unit high-voltage electrode 2 that charges airborne microorganisms introduced in the air path housing 10, a charging-unit ground electrode 3 placed so as to face the charging-unit high-voltage electrode 2, a hydrophilic filter 6 that captures the airborne microorganisms charged by the charging-unit high-voltage electrode 2, a capturing/inactivating-unit high-voltage electrode 5 that subjects the hydrophilic filter to electrostatic induction and inactivates the captured viruses, and a capturing/inactivating-unit ground electrode 7 placed so as to face the capturing/inactivating-unit high-voltage electrode 5.Type: ApplicationFiled: May 30, 2011Publication date: March 21, 2013Applicant: Mitsubishi Electric CorporationInventors: Yasuhiro Tanimura, Koji Ota, Akane Nomura, Ayumi Saiki
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Publication number: 20130058850Abstract: The present invention provides a method for reducing concentrations of ozone and nitric acid produced in cooling air flowing through a circulating airflow path of a rotary electric machine, the method including: disposing an ozone decomposition unit containing an ozone decomposition catalyst in the circulating airflow path; and allowing the cooling air to pass through the ozone decomposition unit so as to decompose ozone and to suppress production of nitric acid. According to the present invention, the method and device are capable of reducing the concentrations of ozone and nitric acid produced in the cooling air flowing through the circulating airflow path of the rotary electric machine for a long period of time while preventing pressure loss.Type: ApplicationFiled: June 1, 2011Publication date: March 7, 2013Applicant: Mitsubishi Electric CorporationInventors: Gaku Oinuma, Noboru Wada, Yasuhiro Tanimura, Takayoshi Shimada, Katsuhiko Kibe
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Publication number: 20110052483Abstract: An ozonized gas having a pressure exceeding atmospheric pressure and having a predetermined concentration is supplied to adsorption/desorption columns (4) at a low temperature state of 0° C. or less and a high pressure and packed with silica gel (6) serving as an adsorbent. The adsorption/desorption columns (4) have been constituted so that at least three of a plurality of adsorption/desorption columns (4), i.e., adsorption/desorption columns (4-1, 4-2, and 4-3), are disposed in a serial cycle arrangement to constitute a main adsorption/desorption column group (99), and that an adsorption/desorption column (4-4) is disposed in parallel with the main adsorption/desorption column group (99) to constitute an auxiliary adsorption/desorption column (999). In a period in which none of the three columns of the main adsorption/desorption column group (99) is performing desorption processing, the auxiliary adsorption/desorption column (999) performs desorption processing.Type: ApplicationFiled: November 28, 2008Publication date: March 3, 2011Applicants: TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL SYS. CORP., MITSUBISHI ELECTRIC CORPORATIONInventors: Yoichiro Tabata, Yujiro Okihara, Tetsuya Saitsu, Noriyuki Nakamura, Ryohei Ueda, Koji Ota, Yasuhiro Tanimura
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Publication number: 20100266463Abstract: Provided is an ozone concentrator including an ozone generator (3), adsorption/desorption columns (4) in which silica gel (6) cooled with a certain-temperature refrigerant (25) for concentrating ozone generated by the ozone generator (3) is packed, a refrigerating machine (23) for cooling the refrigerant (25), a vacuum pump (20) for enhancing a concentration of the ozone in one of the adsorption/desorption columns (4) by discharging mainly oxygen from the silica gel (6) adsorbing the ozone, a plurality of valves (8) to (13) for air pressure operations, for switching passages of gas that is allowed to flow in or flow out with respect to the adsorption/desorption columns (4), and ozone concentration meters (28, 29) for measuring the concentration of the ozone enhanced by the vacuum pump (20), in which a discharge line of the vacuum pump (20) is connected to another one of the adsorption/desorption columns (4), whereby the ozone is allowed to pass through another one of the adsorption/desorption columns again.Type: ApplicationFiled: November 28, 2008Publication date: October 21, 2010Applicants: MITSUBISHI ELECTRIC CORPORATION, TOSHIBA MITSUBISHI-ELECTRIC INDUSTRIAL.SYS. CORP.Inventors: Koji Ota, Yasuhiro Tanimura, Yoichiro Tabata, Yujiro Okihara, Tetsuya Saitsu, Noriyuki Nakamura, Ryohei Ueda
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Patent number: 7785406Abstract: It is intended to provide a volatile organic compound treatment apparatus having: an absorption treatment chamber in which absorption frames having absorbents for absorbing volatile organic compounds are aligned in a direction of a gas flow; an absorbent recovery treatment chamber that is provided with a discharge unit having a high voltage electrode, a ground electrode, and a dielectric; and a transfer mechanism for transferring the absorption frames present in an upstream of the gas flow to the absorbent recovery treatment chamber and transferring the absorption frames in the absorbent recovery treatment chamber to a downstream of the gas flow. The volatile organic compound treatment apparatus is capable of decomposing VOC without generating a large amount of harmful NOx and reduced in apparatus cost.Type: GrantFiled: June 21, 2006Date of Patent: August 31, 2010Assignee: Mitsubishi Electric CorporationInventors: Kouji Ota, Yasutaka Inanaga, Yasuhiro Tanimura, Masaki Kuzumoto, Hajime Nakatani, Hideo Ichimura, Akio Masuda, Shigeki Maekawa, Masaharu Moriyasu
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Publication number: 20100162752Abstract: One ozone concentrating chamber is provided therein with a part of a cooling temperature range where ozone can be selectively condensed or an oxygen gas can be selectively removed by transmission from an ozonized oxygen gas, and a part of a temperature range where condensed ozone can be vaporized, and condensed ozone is vaporized by moving condensed ozone with flow of a fluid or by gravitation to the part where condensed ozone can be vaporized, whereby the ozonized oxygen gas can be increased in concentration. Such a constitution is provided that a particle material 13 for condensation and vaporization filled in the ozone concentrating chambers 11 and 12 has a spherical shape of a special shape with multifaceted planes on side surfaces, or an oxygen transmission membrane 130 capable of selectively transmitting an oxygen gas in an ozone gas is provided.Type: ApplicationFiled: November 29, 2006Publication date: July 1, 2010Applicant: Toshiba Mitsubishi Electric Industrial SystemsInventors: Yoichiro Tabata, Tetsuya Saitsu, Yujiro Okihara, Nobuyuki Itoh, Rayohei Ueda, Yasuhiro Tanimura, Koji Ohta
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Publication number: 20080210084Abstract: It is intended to provide a volatile organic compound treatment apparatus having: an absorption treatment chamber in which absorption frames having absorbents for absorbing volatile organic compounds are aligned in a direction of a gas flow; an absorbent recovery treatment chamber that is provided with a discharge unit having a high voltage electrode, a ground electrode, and a dielectric; and a transfer mechanism for transferring the absorption frames present in an upstream of the gas flow to the absorbent recovery treatment chamber and transferring the absorption frames in the absorbent recovery treatment chamber to a downstream of the gas flow. The volatile organic compound treatment apparatus is capable of decomposing VOC without generating a large amount of harmful NOx and reduced in apparatus cost.Type: ApplicationFiled: June 21, 2006Publication date: September 4, 2008Applicant: MITSUBISHI ELECTRIC CORPORATIONInventors: Kouji Ota, Yasutaka Inanaga, Yasuhiro Tanimura, Masaki Kuzumoto, Hajime Nakatani, Hideo Ichimura, Akio Masuda, Shigeki Maekawa, Masaharu Moriyasu
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Patent number: 7316734Abstract: A volatile organic compound treatment apparatus including an adsorber coming into contact with a gas to be treated and adsorbing volatile organic compounds; a plurality of pairs of electrodes, divided into a plurality of groups, which generate electric discharge so that a part of the adsorber is exposed to the electric discharge; and an electric discharge control mechanism for controlling whether or not the electric discharge is generated in what pair of the electrodes by applying a voltage to every group of the pair of electrodes such that different parts of the adsorber are sequentially exposed to the electric discharge.Type: GrantFiled: June 20, 2005Date of Patent: January 8, 2008Assignee: Mitsubishi Denki Kabushiki KaishaInventors: Koji Ohta, Masaki Kuzumoto, Yasuhiro Tanimura, Hajime Nakatani, Toshiaki Yoshizumi, Hideo Ichimura
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Publication number: 20050284295Abstract: A volatile organic compound treatment apparatus comprising: an adsorber coming into contact with a gas to be treated and adsorbing volatile organic compounds; a plurality of pairs of electrodes, divided into a plurality of groups, which generate electric discharge so that a part of the adsorber is exposed to the electric discharge; and an electric discharge control mechanism for controlling whether or not the electric discharge is generated in what pair of the electrodes by applying a voltage to every group of the pair of electrodes such that different parts of the adsorber are sequentially exposed to the electric discharge.Type: ApplicationFiled: June 20, 2005Publication date: December 29, 2005Applicant: MITSUBISHI DENKI KABUSHIKI KAISHAInventors: Koji Ohta, Masaki Kuzumoto, Yasuhiro Tanimura, Hajime Nakatani, Toshiaki Yoshizumi, Hideo Ichimura