Patents by Inventor Yoshihiro Nakayama
Yoshihiro Nakayama 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: 20180053278Abstract: A safety analysis system for wiring, including: a storage unit that stores electric wire-terminal connector correlation information in which each of a plurality of electric wires and a pair of connectors are correlated with each other, terminal connector-function correlation information in which the pair of connectors located at terminals and a function of a device to which the connectors are connected are correlated with each other, and function determination information including a combination of a plurality of functions that are not allowed to be lost at the same time; and a processing unit that matches the electric wire-terminal connector correlation information and the terminal connector-function correlation information when the wire harness is identified, and generates electric wire-function correlation information in which each of the plurality of electric wires and the function of the device are correlated with each other.Type: ApplicationFiled: November 1, 2017Publication date: February 22, 2018Inventors: Koji TOYAMA, Satoshi SUEHIRO, Yoshihiro NAKAYAMA
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Patent number: 9625191Abstract: The condensing apparatus 71 includes: a compressor 10 which has a compression part 20 compressing a working fluid; a condenser 13 which condenses the working fluid compressed by the compression part 20; and a spray mechanism 81 including a nozzle 82 which sprays a cooling fluid into a fluid passage 91 to cool the working fluid flowing through the fluid passage 91 between a discharge opening CS2 of the compression part 20 and an inlet 13a of the condenser 13.Type: GrantFiled: April 13, 2012Date of Patent: April 18, 2017Assignees: Tokyo Electric Power Company, Incorporated, Chubu Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., Kobe Steel, Ltd., DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APSInventors: Ryo Fujisawa, Masatake Toshima, Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Kunihiko Suto, Hiroshi Egawa, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Hans Madsboll, Klaus Damgaard Kristensen
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Patent number: 9494154Abstract: The refrigerator includes: a cooling-water line having a cooling-water pump to thereby send water for cooling a refrigerant inside of a condenser; a lubricating-water supply line connecting the part downstream from the cooling-water pump on the cooling-water line and a compressor 4 and supplying water flowing through the cooling-water line as a lubricant to the compressor 4; and a backup portion supplying water to the lubricating-water supply line instead of supplying water from the cooling-water line when the cooling-water pump is not driven.Type: GrantFiled: March 15, 2011Date of Patent: November 15, 2016Assignees: Tokyo Electric Power Company, Incorporated, Chubu Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., KABUSHI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APSInventors: Ryo Fujisawa, Masatake Toshima, Toshikatsu Kanemura, Yoshihiro Nakayama, Koichiro Iizuka, Satoshi Ide, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Shinji Shato, Hans Madsboll, Klaus Damgaard Kristensen
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Publication number: 20160282401Abstract: A failure rate calculation device calculates the failure rate of a wire harness of which each of a plurality of electrical wires is connected with connectors via relay points, the device including: a storage unit which stores electrical wire-connector connection information in which each of the plurality of electrical wires and the connectors are associated with each other and in which type information on each of the electrical wires and type information on each of the connectors are associated with each other, and failure rate information in which the type information belonging to the electrical wire-connector connection information and failure rate factors, associated with the type information, are associated with each other; and a processing unit which, when the wire harness is specified, checks the electrical wire-connector connection information and the failure rate information against each other and calculates a failure rate in the wire harness.Type: ApplicationFiled: February 17, 2016Publication date: September 29, 2016Inventors: Koji Toyama, Yoshihiro Nakayama
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Publication number: 20160283612Abstract: A bundle diameter calculation device calculates the number of electrical wires belonging to an electrical wire bundle constituting a part of a wire harness of which each of the plurality of electrical wires is connected via relay points with connectors, the device including: a storage unit which stores electrical wire-connector connection information in which each of the plurality of electrical wires and the connectors are associated with each other, and bundle connection information which shows a state of connection with the connectors and relay elements by the unit of the electrical wire bundle of the wire harness; and a processing unit which, when the wire harness is specified, checks the electrical wire-connector connection information and the bundle connection information against each other and calculates the bundle diameter of the electrical wire bundle.Type: ApplicationFiled: February 18, 2016Publication date: September 29, 2016Inventors: Koji Toyama, Yoshihiro Nakayama
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Publication number: 20160274165Abstract: A device for determining an electrical wire bundle, in which, when the electrical wire bundle includes even one test electrical wire which conducts electricity to a terminal device, the electrical wire bundle is given an A-rating indicating an electrical wire bundle to be used for a test; when the electrical wire bundle includes at least one electrical wire which conducts electricity to the terminal device but is not the test electrical wire, the electrical wire bundle is given a B-rating indicating that the electrical wire bundle is not allowed to be disconnected; and when the electrical wire bundle includes only electrical wires that do not conduct electricity to the terminal device, the electrical wire bundle is given a C-rating indicating an electrical wire bundle not to be used for the test.Type: ApplicationFiled: February 17, 2016Publication date: September 22, 2016Inventors: Yoshihiro Nakayama, Koji Toyama
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Patent number: 9206818Abstract: An axial flow compressor includes: an electric motor including a rotating shaft; a compression portion including a driving shaft connected without a speed-up gear to the rotating shaft of the electric motor and a rotor rotating together with the driving shaft, the compression portion driving the driving shaft and thereby compressing a working fluid; and a velocity reducing portion having a space for reducing the flow velocity of a working fluid discharged from a discharge opening of the compression portion. The rotating shaft of the electric motor is connected to the end of the driving shaft on the side of the discharge opening; and the velocity reducing portion is disposed so as to surround the electric motor.Type: GrantFiled: March 15, 2011Date of Patent: December 8, 2015Assignees: Tokyo Electric Power Company, Incorporated, Chuba Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., KABUSHIKI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APSInventors: Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Ryo Fujisawa, Masatake Toshima, Kunihiko Suto, Kazutaka Kurashige, Hiroshi Egawa, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Svend Rasmussen, Ziad Al-Janabi, Finn Jensen, Lars Bay Moller, Hans Madsboll, Christian Svarregaard-Jensen, Klaus Damgaard Kristensen
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Patent number: 9188135Abstract: An axial flow compressor includes: a rotor having a rotor vane; a first pressing member joined to one end surface of the rotor; a second pressing member joined to the other end surface of the rotor; a rotor shaft portion penetrating the first pressing member, the rotor and the second pressing member; and a nut which fixes the first pressing member and the second pressing member on the rotor shaft portion with the first pressing member and the second pressing member holding the rotor between. The rotor shaft portion is made of a material having a lower linear expansion coefficient than that of a material making at least a part of the rotor. The material making at least a part of the rotor may be aluminum or aluminum alloy.Type: GrantFiled: March 15, 2011Date of Patent: November 17, 2015Assignees: Tokyo Electric Power Company, Incorporated, Chubu Electric Power Company, Incorporated, THE KANSAI ELECTRIC POWER CO., INC., KABUSHIKI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, JOHNSON CONTROLS DENMARK APSInventors: Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Ryo Fujisawa, Masatake Toshima, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Svend Rasmussen, Ziad Al-Janabi, Finn Jensen, Lars Bay Moller, Hans Madsboll, Christian Svarregaard-Jensen, Klaus Damgaard Kristensen
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Publication number: 20140297207Abstract: A safety analysis system for wiring, including: a storage unit that stores electric wire-terminal connector correlation information in which each of a plurality of electric wires and a pair of connectors are correlated with each other, terminal connector-function correlation information in which the pair of connectors located at terminals and a function of a device to which the connectors are connected are correlated with each other, and function determination information including a combination of a plurality of functions that are not allowed to be lost at the same time; and a processing unit that matches the electric wire-terminal connector correlation information and the terminal connector-function correlation information when the wire harness is identified, and generates electric wire-function correlation information in which each of the plurality of electric wires and the function of the device are correlated with each other.Type: ApplicationFiled: March 27, 2014Publication date: October 2, 2014Applicant: MITSUBISHI AIRCRAFT CORPORATIONInventors: Koji TOYAMA, Satoshi SUEHIRO, Yoshihiro NAKAYAMA
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Publication number: 20140218046Abstract: The present invention relates to a wiring connection check method in a wiring structure in which terminal devices are connected with a cable via relay devices and the cable is connected to the terminal devices and the relay devices via connectors. Connection information indicating a connecting relation between the connectors and the cable and a connecting relation between the connectors and any of the terminal devices and the relay devices is stored in a connection table database. In the connection check method of the present invention, a target connector to be checked is designated from among the connectors, and a connection route from the target connector to a connection end thereof is identified by sequentially tracing the connection information.Type: ApplicationFiled: October 2, 2012Publication date: August 7, 2014Inventors: Yoshihiro Nakayama, Koji Toyama, Satoshi Suehiro
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Publication number: 20140088919Abstract: A method for determining a wiring risk is a method for determining a first risk that electric wires connected to a plurality of terminal devices are bundled into a single harness, and a second risk that harnesses fail at the same time, wherein the first risk is determined by identifying the number of connectors to which a target harness identified from the plurality of harnesses is indirectly connected, and the second risk is determined by matching location information of the target harness to an influenced area by a hazard source, and identifying whether the target harness passes through the influenced area.Type: ApplicationFiled: September 20, 2013Publication date: March 27, 2014Applicant: MITSUBISHI AIRCRAFT CORPORATIONInventors: Koji TOYAMA, Satoshi SUEHIRO, Yoshihiro NAKAYAMA
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Publication number: 20140041410Abstract: The condensing apparatus 71 includes: a compressor 10 which has a compression part 20 compressing a working fluid; a condenser 13 which condenses the working fluid compressed by the compression part 20; and a spray mechanism 81 including a nozzle 82 which sprays a cooling fluid into a fluid passage 91 to cool the working fluid flowing through the fluid passage 91 between a discharge opening CS2 of the compression part 20 and an inlet 13a of the condenser 13.Type: ApplicationFiled: April 13, 2012Publication date: February 13, 2014Applicants: TOKYO ELECTRIC POWER COMPAY, INCORPORATED, CHUBU ELECTRIC POWER COMPANY, INCORPORATED, JOHNSON CONTROLS DENMARK APS, KABUSHIKI KAISHA KOBE SEIKO SHO (Kobe Steel, Ltd), DANISH TECHNOLOGICAL INSTITUTE, THE KANSAI ELECTRIC POWER CO., INC.Inventors: Ryo Fujisawa, Masatake Toshima, Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Ilzuka, Kunihiko Suto, Hiroshi Egawa, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Hans Madsboll, Klaus Damgaard Kristensen
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Patent number: 8621882Abstract: A compressor and a refrigerating machine which enable an easy disposal of a lubricant, are friendly to the natural environment, and have simple configurations, are provided. The compressor which is used in a refrigerating machine including an evaporator and a condenser and adapted for compressing refrigerant gas evaporated in the evaporator to convey the compressed refrigerant gas to the condenser, includes: a motor; a housing having a compression chamber inside; a rotary member which has a rotating shaft and is rotated by a driving force of the motor so as to compress water vapor serving as the refrigerant gas in the compression chamber; a bearing for supporting the rotating shaft of the rotary member in the housing; and a lubricant supplier for supplying water serving as a lubricant to the bearing.Type: GrantFiled: July 23, 2009Date of Patent: January 7, 2014Assignees: Danish Technological Institute, Johnson Controls Denmark APSInventors: Koichiro Iizuka, Satoshi Ide, Toshikatsu Kanemura, Yoshihiro Nakayama, Masatake Toshima, Kazuto Okada, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Masaki Ikeuchi, Shinji Shato, Lars Bay Moller, Finn Jensen, Ziad Al-Janabi, Svend Rasmussen, Hans Madsboll, Christian Svarregaard-Jensen
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Publication number: 20130022474Abstract: An axial flow compressor includes: a rotor having a rotor vane; a first pressing member joined to one end surface of the rotor; a second pressing member joined to the other end surface of the rotor; a rotor shaft portion penetrating the first pressing member, the rotor and the second pressing member; and a nut which fixes the first pressing member and the second pressing member on the rotor shaft portion with the first pressing member and the second pressing member holding the rotor between. The rotor shaft portion is made of a material having a lower linear expansion coefficient than that of a material making at least a part of the rotor. The material making at least a part of the rotor may be aluminum or aluminum alloy.Type: ApplicationFiled: March 15, 2011Publication date: January 24, 2013Applicants: Tokyo Electric Power Company, Incorporated, Chubu Electric Power Company, Incorporated, JOHNSON CONTROLS DENMARK APS, KABUSHIKI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, THE KANSAI ELECTRIC POWER CO., INC.Inventors: Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Ryo Fujisawa, Masatake Toshima, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Svend Rasmussen, Ziad Al-Janabi, Finn Jensen, Lars Bay Moller, Hans Madsboll, Christian Svarregaard-Jensen, Klaus Damgaard Kristensen
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Publication number: 20130011280Abstract: An axial flow compressor includes: an electric motor including a rotating shaft; a compression portion including a driving shaft connected without a speed-up gear to the rotating shaft of the electric motor and a rotor rotating together with the driving shaft, the compression portion driving the driving shaft and thereby compressing a working fluid; and a velocity reducing portion having a space for reducing the flow velocity of a working fluid discharged from a discharge opening of the compression portion. The rotating shaft of the electric motor is connected to the end of the driving shaft on the side of the discharge opening; and the velocity reducing portion is disposed so as to surround the electric motor.Type: ApplicationFiled: March 15, 2011Publication date: January 10, 2013Applicants: TOKYO ELECTRIC POWER COMPANY, INCORPORATED, CHUBU ELECTRIC POWER COMPANY, INCORPORATED, JOHNSON CONTROLS DENMARK APS, KABUSHIKI KAISHA KOBE SEIKO SHO, DANISH TECHNOLOGICAL INSTITUTE, THE KANSAI ELECTRIC POWER CO., INC.Inventors: Yoshihiro Nakayama, Yoshitaka Baba, Satoshi Ide, Koichiro Iizuka, Ryo Fujisawa, Masatake Toshima, Kunihiko Suto, Kazutaka Kurashige, Hiroshi Egawa, Ichirou Sakuraba, Daisuke Hayashi, Keiji Sugano, Svend Rasmussen, Ziad Al-Janabi, Finn Jensen, Lars Bay Moller, Hans Madsboll, Christian Svarregaard-Jensen, Klaus Damgaard Kristensen
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Patent number: 8333086Abstract: In the condenser provided with two of the degassing chambers separated by a cooling fluid, communication between the degassing chambers is prevented even if a pressure difference is increased between the degassing chambers.Type: GrantFiled: November 20, 2008Date of Patent: December 18, 2012Assignees: The Tokyo Electric Power Company, Incorporated, Chubu Electric Power Co., Inc., Kansai Electric Power Co., Inc., Kobe Steel, Ltd., Danish Technological Institute, Johnson Controls Denmark APSInventors: Ryo Fujisawa, Kazuto Okada, Masatake Toshima, Yoshihiro Nakayama, Koichiro Iizuka, Satoshi Ide, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Shinji Shato, Masaki Ikeuchi, Hans Madsboll, Christian Svarregaard-Jensen
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Publication number: 20110174009Abstract: A compressor and a refrigerating machine which enable an easy disposal of a lubricant, are friendly to the natural environment, and have simple configurations, are provided. The compressor which is used in a refrigerating machine including an evaporator and a condenser and adapted for compressing refrigerant gas evaporated in the evaporator to convey the compressed refrigerant gas to the condenser, includes: a motor; a housing having a compression chamber inside; a rotary member which has a rotating shaft and is rotated by a driving force of the motor so as to compress water vapor serving as the refrigerant gas in the compression chamber; a bearing for supporting the rotating shaft of the rotary member in the housing; and a lubricant supplier for supplying water serving as a lubricant to the bearing.Type: ApplicationFiled: July 23, 2009Publication date: July 21, 2011Inventors: Koichiro Iizuka, Satoshi Ide, Toshikatsu Kanemura, Yoshihiro Nakayama, Masatake Toshima, Kazuto Okada, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Masaki Ikeuchi, Shinji Shato, Lars Bay Moller, Finn Jensen, Ziad Al-Janabi, Svend Rasmussen, Hans Madsboll, Christian Svarregaard-Jensen
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Patent number: 7893000Abstract: Boron carbide ceramics produced by spark sintering methods have more desirable mechanical properties than conventionally produced carbides. The boron carbide ceramics include amorphous boron, amorphous carbon, and Al2O3 powder as a sintering aid. The boron carbides may also contain a carbon nano fiber in a nearly homogeneously dispersed state. The sintered compact has a relative density of a boron carbide ceramic of approximately not less than 99%. The boron carbide ceramics are prepared preferably by subjecting a mixed powder of the starting raw materials and the carbon nano fiber to simultaneous synthesis and sintering using the spark plasma sintering method.Type: GrantFiled: August 16, 2010Date of Patent: February 22, 2011Assignee: The DoshishaInventors: Ken Hirota, Yoshihiro Nakayama, Shingo Nakane
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Publication number: 20100311561Abstract: Boron carbide ceramics produced by spark sintering methods have more desirable mechanical properties than conventionally produced carbides. The boron carbide ceramics include amorphous boron, amorphous carbon, and Al2O3 powder as a sintering aid. The boron carbides may also contain a carbon nano fiber in a nearly homogeneously dispersed state. The sintered compact has a relative density of a boron carbide ceramic of approximately not less than 99%.Type: ApplicationFiled: August 16, 2010Publication date: December 9, 2010Inventors: Ken HIROTA, Yoshihiro Nakayama, Shingo Nakane
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Publication number: 20100293992Abstract: In the condenser provided with two of the degassing chambers separated by a cooling fluid, communication between the degassing chambers is prevented even if a pressure difference is increased between the degassing chambers.Type: ApplicationFiled: November 20, 2008Publication date: November 25, 2010Inventors: Ryo Fujisawa, Kazuto Okada, Masatake Toshima, Yoshihiro Nakayama, Koichiro Iizuka, Satoshi Ide, Kunihiko Suto, Kazutaka Kurashige, Ichirou Sakuraba, Daisuke Hayashi, Shinji Shato, Masaki Ikeuchi, Hans Madsboll, Christian Svarregaard-Jensen