Patents by Inventor Mitsuru Onoda
Mitsuru Onoda 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: 11975946Abstract: An elevator rope monitoring device, provided with: line sensor cameras 1a, 1b for imaging the entire circumference of the traveling elevator rope 5; a speed/position detecting device 4 for detecting the traveling speed and traveling position of the elevator rope 5; an image recording part 3a for inputting the image acquired by the line sensor cameras 1a, 1b in association with the traveling position of the elevator rope 5 detected by the speed/position detecting means 4; an image creating part 3b for creating an entire circumferential image of the elevator rope 5 from the image imaged by the line sensor cameras 1a, 1b; and an image processing part 3c for detecting an abnormality in the elevator rope 5 by analyzing the entire circumferential image.Type: GrantFiled: November 29, 2017Date of Patent: May 7, 2024Assignees: MEIDENSHA CORPORATION, OTIS ELEVATOR COMPANYInventors: Yusuke Watabe, Makoto Niwakawa, Mitsuru Kato, Ryuji Onoda, Hirotomo Tanaka, Takashi Takeuchi
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Patent number: 11277058Abstract: A bar or coil includes a conductor arranged in a rotating electrical machine and an insulating layer having a predetermined insulation thickness disposed on a surface of the conductor. The repair method includes: extracting a part of the bar or coil as a repair target; removing the insulating layer in a part of the bar or coil as the repair target; disposing a first insulating layer in the part where the insulating layer is removed, the first insulating layer having an insulation thickness thinner than the predetermined insulation thickness; and disposing a second insulating layer on a surface of the first insulating layer to form an insulating layer after a repair where the first insulating layer and the second insulating layer are added, the insulating layer after the repair having a thickness of the predetermined insulation thickness.Type: GrantFiled: December 10, 2019Date of Patent: March 15, 2022Assignee: MITSUBISHI POWER, LTD.Inventors: Yoichi Tani, Takashi Usui, Seijiro Muramatsu, Mitsuru Onoda
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Patent number: 10958207Abstract: In an attachment structure for attaching a photovoltaic cell module having flexibility to an installation surface or an attachment member, a back surface of the photovoltaic cell module is attached to the installation surface or the attachment member by being adhered by an adhesive material.Type: GrantFiled: October 17, 2014Date of Patent: March 23, 2021Assignee: Solar Frontier K.K.Inventors: Tatsuji Kanbara, Shinji Kato, Toshiaki Yamaura, Natsuki Hamada, Tetsuji Itou, Bagwadkar Ninad, Tomoyasu Yamada, Mitsuru Arasaki, Hideki Sakai, Mitsuru Onoda, Yuuki Narita
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Publication number: 20200212769Abstract: A bar or coil includes a conductor arranged in a rotating electrical machine and an insulating layer having a Predetermined insulation thickness disposed on a surface of the conductor. The repair method includes: extracting a part of the bar or coil as a repair target; removing the insulating layer in a part of the bar or coil as the repair target; disposing a first insulating layer in the part where the insulating layer is removed, the first insulating layer having an insulation thickness thinner than the predetermined insulation thickness; and disposing a second insulating layer on a surface of the first insulating layer to form an insulating layer after a repair where the first insulating layer and the second insulating layer are added, the insulating layer after the repair having a thickness of the predetermined insulation thickness.Type: ApplicationFiled: December 10, 2019Publication date: July 2, 2020Applicant: MITSUBISHI HITACHI POWER SYSTEMS, LTD.Inventors: Yoichi TANI, Takashi USUI, Seijiro MURAMATSU, Mitsuru ONODA
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Publication number: 20160261228Abstract: Provide an attachment structure suitable for attaching a thin-film photovoltaic cell module having flexibility to various installation surfaces and attachment members that are fixed to the installation surfaces that is easily and surely capable of attaching. In an attachment structure for attaching a thin-film photovoltaic cell module 10 having flexibility to an installation surface R1 or an attachment member R1, a back surface of the thin-film photovoltaic cell module 10 is attached to the installation surface R1 or the attachment member by being adhered by an adhesive material 3.Type: ApplicationFiled: October 17, 2014Publication date: September 8, 2016Inventors: Tatsuji KANBARA, Shinji KATO, Toshiaki YAMAURA, Natsuki HAMADA, Tetsuji ITOU, Bagwadkar NINAD, Tomoyasu YAMADA, Mitsuru ARASAKI, Hideki SAKAI, Mitsuru ONODA, Yuuki NARITA
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Patent number: 9261421Abstract: A fixing force measuring apparatus including a section for applying a predetermined controlled hammering force to a wedge surface to generate a hammering sound, a section for controlling the hammering sound generated, a section for obtaining plural kinds of feature quantities such as a feature quantity due to a hammering sound energy, and a feature quantity due to a frequency of the hammering sound from the hammering sound collected by an arithmetic operation, and a section for obtaining a fixing force corresponding to the plural kinds of feature quantities by using a correlative relationship between the wedge fixing force previously obtained, and the plural kinds of feature quantities.Type: GrantFiled: December 10, 2013Date of Patent: February 16, 2016Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Yoshitaka Tsutsui, Nobuaki Nakasu, Keiji Suzuki, Kengo Iwashige, Mitsuru Onoda, Harumasa Tsuchiya, Yasuaki Kageyama
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Patent number: 9255908Abstract: According to a method by a frequency analysis of tap tones at the time when a tightness of a ripple member fixed by an elastic force has been tapped by a hammer or a method of detecting a response at the time when the ripple member has been vibrated, an enough precision cannot be obtained for a tightness estimation. A tapping force is applied to a plurality of positions on the member surface, thereby allowing a plurality of tap tones to be generated. Feature amounts are obtained from the plurality of tap tones. An average feature amount is obtained by averaging the feature amounts. The tightness of the ripple member is estimated from the average feature amount by using a correlation between the tightness of the ripple member and the average feature amount.Type: GrantFiled: December 7, 2012Date of Patent: February 9, 2016Assignee: Mitsubishi Hitachi Power Systems, Ltd.Inventors: Yoshitaka Tsutsui, Nobuaki Nakasu, Harumasa Tsuchiya, Keiji Suzuki, Mitsuru Onoda, Yasuaki Kageyama
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Patent number: 8972226Abstract: The present invention provides a method for analyzing growth of void of resin in a porous material which comprising the steps of inputting data of the shape of a porous material filled with a resin material, and dividing the shape of the porous material into three-dimensional solid elements; inputting physical properties of the porous material, and boundary conditions including a pressure that is applied to the porous material; obtaining a resin-density distribution in the porous material through fluid analysis using a database obtained by experimentally measuring in advance a temporal change in a volume of gas generated from the resin material and porous material during heating, changes in a compressive force and compressive displacement respectively occurring when the porous material impregnated with the resin is compressed, and a change in a flow resistance of the resin; and comprehensively grasping production, growth, and distribution of voids deriving from gas generation.Type: GrantFiled: September 7, 2011Date of Patent: March 3, 2015Assignee: Hitachi, Ltd.Inventors: Hiroki Nakatsuchi, Tsutomu Kono, Keiji Suzuki, Mitsuru Onoda, Kazuo Goto, Yasuaki Kageyama, Takahiro Sato
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Publication number: 20140260526Abstract: A fixing force measuring apparatus including a section for applying a predetermined controlled hammering force to a wedge surface to generate a hammering sound, a section for controlling the hammering sound generated, a section for obtaining plural kinds of feature quantities such as a feature quantity due to a hammering sound energy, and a feature quantity due to a frequency of the hammering sound from the hammering sound collected by an arithmetic operation, and a section for obtaining a fixing force corresponding to the plural kinds of feature quantities by using a correlative relationship between the wedge fixing force previously obtained, and the plural kinds of feature quantities.Type: ApplicationFiled: December 10, 2013Publication date: September 18, 2014Applicant: Hitachi, Ltd.Inventors: Yoshitaka TSUTSUI, Nobuaki NAKASU, Keiji SUZUKI, Kengo IWASHIGE, Mitsuru ONODA, Harumasa TSUCHIYA, Yasuaki KAGEYAMA
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Patent number: 8543363Abstract: The present method aims at preventing breakdown by selecting conditions for preventing the occurrence of voids via analysis. According to the present method, a database related to the time variation of amount of generated gas or number of moles when a solid member is heated is experimentally formulated in advance, and the amount of generated gas from the member and the specific heat ratio of gases are entered for analysis in order to predict via analysis the generation of voids within the resin material when the solid member is heated, to thereby select conditions for preventing voids.Type: GrantFiled: November 9, 2010Date of Patent: September 24, 2013Assignee: Hitachi, Ltd.Inventors: Tsutomu Kono, Hiroki Nakatsuchi, Keiji Suzuki, Mitsuru Onoda, Kazuo Goto, Yasuaki Kageyama, Hiroaki Kojima, Kenji Ikeda, Hisashi Morooka
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Patent number: 8314342Abstract: The present invention is designed to provide an insulation coil with high insulation reliability using a dry mica tape, an integral impregnation coil and a mica tape for the electrical rotating machines using these coils, said mica tape having a long shelf life and capable of preventing run-off of the impregnating epoxy resin composition during curing, with the cured product of said epoxy resin composition being high in heat resistance. It is also envisaged to provide a single insulation coil using a mica tape containing epoxy adduct imidazole as an epoxy resin curing catalyst or a mica tape containing a mixture of epoxy adduct imidazole and zinc naphthenate. An integral impregnation coil made by using said insulation coil and an epoxy resin composition, and the electrical rotating machines using such coils are also provided.Type: GrantFiled: February 27, 2007Date of Patent: November 20, 2012Assignee: Hitachi, Ltd.Inventors: Kenji Ikeda, Hisashi Morooka, Keiji Suzuki, Mitsuru Onoda, Nobuaki Tanaka
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Publication number: 20120095731Abstract: The present invention provides a method for analyzing growth of void of resin in a porous material which comprising the steps of inputting data of the shape of a porous material filled with a resin material, and dividing the shape of the porous material into three-dimensional solid elements; inputting physical properties of the porous material, and boundary conditions including a pressure that is applied to the porous material; obtaining a resin-density distribution in the porous material through fluid analysis using a database obtained by experimentally measuring in advance a temporal change in a volume of gas generated from the resin material and porous material during heating, changes in a compressive force and compressive displacement respectively occurring when the porous material impregnated with the resin is compressed, and a change in a flow resistance of the resin; and comprehensively grasping production, growth, and distribution of voids deriving from gas generation.Type: ApplicationFiled: September 7, 2011Publication date: April 19, 2012Inventors: Hiroki NAKATSUCHI, Tsutomu Kono, Keiji Suzuki, Mitsuru Onoda, Kazuo Goto, Yasuaki Kageyama, Takahiro Sato
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Publication number: 20110112812Abstract: The present method aims at preventing breakdown by selecting conditions for preventing the occurrence of voids via analysis. According to the present method, a database related to the time variation of amount of generated gas or number of moles when a solid member is heated is experimentally formulated in advance, and the amount of generated gas from the member and the specific heat ratio of gases are entered for analysis in order to predict via analysis the generation of voids within the resin material when the solid member is heated, to thereby select conditions for preventing voids.Type: ApplicationFiled: November 9, 2010Publication date: May 12, 2011Inventors: Tsutomu KONO, Hiroki Nakatsuchi, Keiji Suzuki, Mitsuru Onoda, Kazuo Goto, Yasuaki Kageyama, Hiroaki Kojima, Kenji Ikeda, Hisashi Morooka
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Patent number: 7804218Abstract: When a rotating electrical machine winding is inserted into a slot with a protective insulation intervening between them, a semiconductive insulating layer is lap-wound between an interlayer insulating layer of the rotating electrical machine winding and the protective insulation, the semiconductive insulating layer being formed by center-folding a continuous semiconductive sheet in the longitudinal direction. A thermal stress relaxation layer is provided inside the center-folded continuous semiconductive sheet so that thermal stress exerted in thickness direction of the insulating layers is absorbed.Type: GrantFiled: November 7, 2007Date of Patent: September 28, 2010Assignee: Hitachi, Ltd.Inventors: Yutaka Higashimura, Yoshimi Kurahara, Hiroshi Miyao, Keiji Suzuki, Mitsuru Onoda, Nobuaki Tanaka
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Publication number: 20080106157Abstract: When a rotating electrical machine winding is inserted into a slot with a protective insulation intervening between them, a semiconductive insulating layer is lap-wound between an interlayer insulating layer of the rotating electrical machine winding and the protective insulation, the semiconductive insulating layer being formed by center-folding a continuous semiconductive sheet in the longitudinal direction. A thermal stress relaxation layer is provided inside the center-folded continuous semiconductive sheet so that thermal stress exerted in thickness direction of the insulating layers is absorbed.Type: ApplicationFiled: November 7, 2007Publication date: May 8, 2008Inventors: Yutaka Higashimura, Yoshimi Kurahara, Hiroshi Miyao, Keiji Suzuki, Mitsuru Onoda, Nobuaki Tanaka
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Publication number: 20070252449Abstract: The present invention is designed to provide an insulation coil with high insulation reliability using a dry mica tape, an integral impregnation coil and a mica tape for the electrical rotating machines using these coils, said mica tape having a long shelf life and capable of preventing run-off of the impregnating epoxy resin composition during curing, with the cured product of said epoxy resin composition being high in heat resistance. It is also envisaged to provide a single insulation coil using a mica tape containing epoxy adduct imidazole as an epoxy resin curing catalyst or a mica tape containing a mixture of epoxy adduct imidazole and zinc naphthenate. An integral impregnation coil made by using said insulation coil and an epoxy resin composition, and the electrical rotating machines using such coils are also provided.Type: ApplicationFiled: February 27, 2007Publication date: November 1, 2007Inventors: Kenji Ikeda, Hisashi Morooka, Keiji Suzuki, Mitsuru Onoda, Nobuaki Tanaka
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Publication number: 20040226740Abstract: In order to provide an electric machine winding having an insulating layer excellent in electric characteristics and an insulating layer of an electric machine winding excellent in electric characteristics, a high-thermal-conductivity insulating layer 11 is formed around the peripheral portion of a winding conductor 10 by the use of a high-thermal-conductivity insulating tape 1 having a mica layer 3, a reinforcing material layer 5, and a high-thermal-conductivity filler layer 7, wherein the amount of resin of the mica layer 3 makes up 10 wt % to 25 wt % of the total weight of the insulating material and wherein the amount of resin of the high-thermal-conductivity filler layer 7 makes up 10 wt % to 25 wt % of the total weight of the insulating material.Type: ApplicationFiled: March 9, 2004Publication date: November 18, 2004Applicant: Hitachi, Ltd.Inventors: Tomoya Tsunoda, Mitsuru Onoda, Shigeo Amagi, Tatsuo Honda
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Patent number: 6746758Abstract: In order to provide an electric machine winding having an insulating layer excellent in electric characteristics and an insulating layer of an electric machine winding excellent in electric characteristics, a high-thermal-conductivity insulating layer 11 is formed around the peripheral portion of a winding conductor 10 by the use of a high-thermal-conductivity insulating tape 1 having a mica layer 3, a reinforcing material layer 5, and a high-thermal-conductivity filler layer 7, wherein the amount of resin of the mica layer 3 makes up 10 wt % to 25 wt % of the total weight of the insulating material and wherein the amount of resin of the high-thermal-conductivity filler layer 7 makes up 10 wt % to 25 wt % of the total weight of the insulating material.Type: GrantFiled: August 1, 2002Date of Patent: June 8, 2004Assignee: Hitachi, Ltd.Inventors: Tomoya Tsunoda, Mitsuru Onoda, Shigeo Amagi, Tatsuo Honda
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Publication number: 20030035960Abstract: In order to provide an electric machine winding having an insulating layer excellent in electric characteristics and an insulating layer of an electric machine winding excellent in electric characteristics, a high-thermal-conductivity insulating layer 11 is formed around the peripheral portion of a winding conductor 10 by the use of a high-thermal-conductivity insulating tape 1 having a mica layer 3, a reinforcing material layer 5, and a high-thermal-conductivity filler layer 7, wherein the amount of resin of the mica layer 3 makes up 10 wt % to 25 wt % of the total weight of the insulating material and wherein the amount of resin of the high-thermal-conductivity filler layer 7 makes up 10 wt % to 25 wt % of the total weight of the insulating material.Type: ApplicationFiled: August 1, 2002Publication date: February 20, 2003Applicant: Hitachi, Ltd.Inventors: Tomoya Tsunoda, Mitsuru Onoda, Shigeo Amagi, Tatsuo Honda
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Patent number: 6504102Abstract: In order to provide windings for electrical rotating machines having an insulating film superior in electrical characteristics, a high heat conductive insulating film 11 is formed at outer periphery of wound conductor 10 using a high heat conductive insulating tape, which includes a mica layer 3, a reinforcement layer 5, and a high heat conductive filler layer 7, wherein the resin content in each layer of the mica layer 3 and the high heat conductive filler layer 7 is specified in the range of 10-25% by weight based on the whole weight of the material. 1-80% by weight of said filler is spherical.Type: GrantFiled: September 4, 2001Date of Patent: January 7, 2003Assignee: Hitachi, Ltd.Inventors: Tomoya Tsunoda, Keiichi Morikawa, Mitsuru Onoda, Shigeo Amagi, Tatsuo Honda