Patents by Inventor Toru Tonomura
Toru Tonomura 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: 9849610Abstract: For heating a mold efficiently and uniformly and for protecting an induction coil from corrosive gases, an upper plate that contacts an upper end face of a mold, and a lower plate that contacts a lower end face of the mold are provided, and an induction coil, provided to each plate, has a voltage applied by a commercial power supply. Each plate has a metal plate body in which a recessed housing portion that houses the induction coil is formed, and a cover that closes the recessed housing portion in a state where the induction coil is housed therein. A cover placement portion having a step that is greater than or equal to the thickness of the metal cover is formed in the metal plate body, and a plurality of jacket chambers in which a gas-liquid two phase heating medium is enclosed are formed in the metal plate body.Type: GrantFiled: August 6, 2013Date of Patent: December 26, 2017Assignees: TOKUDEN CO., LTD., BRIDGESTONE CORPORATIONInventors: Toru Tonomura, Yasuhiro Fujimoto, Yoshihiko Yamamura, Hideyuki Osamura, Akihiko Hajikano
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Patent number: 9709262Abstract: A superheated steam recycling apparatus includes a superheated steam generating part; a steam supply flow path for supplying saturated steam to the superheated steam generating part; a superheated steam utilization part that is supplied with superheated steam generated by the superheated steam generating part; a steam return flow path for returning used steam having passed through the superheated steam utilization part to the superheated steam generating part; and a flowmeter that measures a flow rate of the used steam returned to the superheated steam generating part, and on the basis of the difference between a desired flow rate of the superheated steam to be generated by the superheated steam generating part and the flow rate of the used steam obtained by the flowmeter, controls a flow rate of the saturated steam to be supplied to the superheated steam generating part through the steam supply flow path.Type: GrantFiled: March 30, 2015Date of Patent: July 18, 2017Assignee: Tokuden Co., Ltd.Inventors: Toru Tonomura, Yasuhiro Fujimoto
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Publication number: 20170179840Abstract: The present invention allows individual control of an output voltage of a main transformer and an output voltage of a teaser transformer while utilizing output characteristics of the respective transformer when a Scott connected transformer has control equipment arranged on the input side thereof, including first control equipment arranged in one of two phases of the main transformer on the input side in order to control a voltage or a current and second control equipment arranged in one end of a primary coil of the teaser transformer on the input side in order to control a voltage or a current, the control equipment controlling an output voltage of the main transformer and an output voltage of the teaser transformer individually.Type: ApplicationFiled: March 7, 2017Publication date: June 22, 2017Inventors: Toru Tonomura, Yasuhiro Fujimoto
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Publication number: 20170179839Abstract: The present invention allows individual control of an output voltage of a main transformer and an output voltage of a teaser transformer while utilizing output characteristics of the respective transformer when a Scott connected transformer has control equipment arranged on the input side thereof, including first control equipment arranged in one of two phases of the main transformer on the input side in order to control a voltage or a current and second control equipment arranged in one end of a primary coil of the teaser transformer on the input side in order to control a voltage or a current, the control equipment controlling an output voltage of the main transformer and an output voltage of the teaser transformer individually.Type: ApplicationFiled: March 7, 2017Publication date: June 22, 2017Inventors: Toru Tonomura, Yasuhiro Fujimoto
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Publication number: 20170178801Abstract: The present invention allows individual control of an output voltage of a main transformer and an output voltage of a teaser transformer while utilizing output characteristics of the respective transformer when a Scott connected transformer has control equipment arranged on the input side thereof, including first control equipment arranged in one of two phases of the main transformer on the input side in order to control a voltage or a current and second control equipment arranged in one end of a primary coil of the teaser transformer on the input side in order to control a voltage or a current, the control equipment controlling an output voltage of the main transformer and an output voltage of the teaser transformer individually.Type: ApplicationFiled: March 7, 2017Publication date: June 22, 2017Inventors: Toru Tonomura, Sachio Tamaki, Yasuhiro Fujimoto
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Patent number: 9622297Abstract: The present invention is one that uniformly and simultaneously heats a plurality of cup-shaped or annular metallic bodies to improve productivity, and has a plurality of divided core parts formed by dividing an annular core; configured such that a plurality of divided end parts of the divided core part are respectively attached with metallic bodies W made of non-magnetic metal; and inductively heats the metallic bodies W through input windings provided in outer or inner circumferential parts of the metallic bodies W.Type: GrantFiled: December 7, 2012Date of Patent: April 11, 2017Assignee: TOKUDEN CO., LTD.Inventors: Toru Tonomura, Yasuhiro Fujimoto
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Patent number: 9474109Abstract: An induction heating apparatus capable of heating a conductive plate member throughout in a widthwise direction is disclosed. Specifically, the present invention is configured to have flat-shaped coils, each forming a magnetic path in a center portion thereof, provided on upper and lower sides of the conductive plate member so as to heat the conductive plate member and to have circumferential coils provided on right and left end sides of magnetic metal casings through which the circumferential magnetic paths of the flat-shaped coils pass, whereby magnetic paths of the circumferential coils pass through both end portions of the conductive plate member.Type: GrantFiled: August 13, 2012Date of Patent: October 18, 2016Assignee: TOKUDEN CO., LTD.Inventors: Toru Tonomura, Yasuhiro Fujimoto
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Publication number: 20160278167Abstract: The present invention intends to run one induction heating apparatus using a three-phase AC power supply without use of a Scott connection transformer while preventing an occurrence of a phase where no current flows. An induction heating system uses the three-phase AC power supply to run the induction heating apparatus including an induction heating coil, and has an intermediate apparatus including a coil that is wound on an iron core with an even number of turns, forming a closed magnetic circuit. Additionally, a winding start point of the induction heating coil is connected to the U phase of the three-phase AC power supply and a winding end point of the same is connected to a midpoint of the intermediate coil. The winding start point and end point of the intermediate coil are connected to the V and W phases of the three-phase AC power supply, respectively.Type: ApplicationFiled: March 18, 2016Publication date: September 22, 2016Inventor: Toru Tonomura
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Publication number: 20160273759Abstract: The present invention intends to highly accurately control a temperature of superheated steam at a high response speed, and provides a superheated steam generator that inductively heats a heating metal body in contact with steam using an induction coil, and thereby heats the steam in contact with the heating metal body to generate superheated steam. In addition, a frequency of an AC power supply connected to the induction coil is 50 Hz or 60 Hz, and a thickness between an induction coil side surface of the heating metal body facing toward the induction coil and a steam contact surface of the heating metal body in contact with the steam is 10 mm or less.Type: ApplicationFiled: March 17, 2016Publication date: September 22, 2016Inventors: Toru Tonomura, Masayoshi Kimura, Yasuhiro Fujimoto
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Publication number: 20160262212Abstract: The present invention intends to reduce unbalance among phase currents without use of a Scott connection transformer. The present invention is an induction heating system adapted to use a three-phase AC power source to operate a first induction heating apparatus including a first induction coil and a second induction heating apparatus including a second induction coil. In addition, the number of turns of the second induction coil is an even number. Also, one of a winding start point and a winding end point of the first induction coil is electrically connected to one phase of the three-phase AC power source, and the other one is electrically connected to a midpoint of the second induction coil. Further, the winding start point and the winding end point of the second induction coil are electrically connected to the remaining two phases of the three-phase AC power source.Type: ApplicationFiled: March 1, 2016Publication date: September 8, 2016Inventor: Toru Tonomura
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Publication number: 20160122655Abstract: In order to improve heat recovery efficiency in purifying oil from an organic substance using superheated steam, the present invention provides an oil purifying apparatus for thermally decomposing an organic substance with superheated steam and purifying oil from gas components generated by thermal decomposition, which includes: a heat treatment container for storing the organic substance; and a superheated steam generating part for generating the superheated steam to be supplied into the heat treatment container, and the superheated steam generating part is provided in the heat treatment container.Type: ApplicationFiled: October 30, 2015Publication date: May 5, 2016Inventors: Kiyohiro Yamamori, Katsuichi Ichikawa, Toru Tonomura, Yoshio Kitano, Yasuhiro FUJIMOTO
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Publication number: 20160097529Abstract: The present invention intends to suppress energy consumption despite making it possible to generate superheated steam in a short period of time. Specifically, the present invention includes: a steam generating part that generates steam; a superheated steam generating part that generates superheated steam; and an on/off valve that switches the supply of the steam to the superheated steam generating part or the stop of the supply, wherein the on/off valve switches the supply of the steam or the stop of the supply, and thereby switching is performed between a waiting state that is a state where the steam generating part generates the steam and a state where the supply of the steam is stopped, and a supply state where the steam is supplied to the superheated steam generating part.Type: ApplicationFiled: October 5, 2015Publication date: April 7, 2016Inventors: Toru Tonomura, Yasuhiro Fujimoto, Masayoshi Kimura
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Publication number: 20160088687Abstract: An object of this invention is to detect breakage of a conductor tube before it happens and to prevent leakage of the heated fluid. More concretely, this invention is a fluid heating device that applies heat to a fluid that flows in the conductor tube of a helical shape by applying induction heat to the conductor tube and that comprises an electrical connecting member that constitutes a short circuit by electrically connecting each of required portions of the conductor tube, and a potential measuring instrument that measures a potential of the conductor tube.Type: ApplicationFiled: September 18, 2015Publication date: March 24, 2016Inventors: Toru Tonomura, Yasuhiro Fujimoto, Masayoshi Kimura
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Publication number: 20160088686Abstract: This invention provides a fluid heating device that is free from breakage even though a conductor tube is transformed due to being heated. Concretely, this invention is provided with an electrical connecting member that constitutes a short circuit by electrically connecting each of required portions of the conductor tube, and uses the electrical connecting member that is transformable in accordance with a transformation resulting from a temperature change of the conductor tube.Type: ApplicationFiled: September 18, 2015Publication date: March 24, 2016Inventors: Toru Tonomura, Yasuhiro Fujimoto, Sachio Tamaki
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Patent number: 9277599Abstract: The present invention is one that heats the inside of the spinning pack in a short period of time while keeping temperature of an outer circumferential part of a spinning pack less than a maximum allowable temperature, and provided with: a magnetic path forming member that forms a magnetic path with a spinning pack arrangement space where the spinning pack is arranged to occupy the space and be positioned intermediate respective ends of the magnetic path forming member that border the space; and a magnetic flux generating winding that is provided so as to be wound to surround the spinning pack arrangement space.Type: GrantFiled: September 30, 2013Date of Patent: March 1, 2016Assignee: TOKUDEN CO., LTD.Inventors: Toru Tonomura, Yasuhiro Fujimoto
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Publication number: 20150312970Abstract: The present invention for eliminating a need for a temperature detecting element adapted to measure the temperature of a roll main body provides an induction heated roll apparatus including: a roll main body; a magnetic flux generating mechanism including an iron core and a winding; and a power supply circuit provided with a control element adapted to control AC current or AC voltage. The apparatus calculates the temperature of the roll main body using an AC current value obtained by an AC current detecting part, an AC voltage value obtained by an AC voltage detecting part, a power factor obtained by a power factor detecting part, a winding resistance value of the winding, and an excitation resistance obtained from characteristics of a relationship between a magnetic flux density and an excitation resistance of a magnetic circuit including the iron core and the roll main body as parameters.Type: ApplicationFiled: April 22, 2015Publication date: October 29, 2015Inventors: Toru Tonomura, Yasuhiro Fujimoto, Masayoshi Kimura
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Publication number: 20150276210Abstract: A superheated steam recycling apparatus includes a superheated steam generating part; a steam supply flow path for supplying saturated steam to the superheated steam generating part; a superheated steam utilization part that is supplied with superheated steam generated by the superheated steam generating part; a steam return flow path for returning used steam having passed through the superheated steam utilization part to the superheated steam generating part; and a flowmeter that measures a flow rate of the used steam returned to the superheated steam generating part, and on the basis of the difference between a desired flow rate of the superheated steam to be generated by the superheated steam generating part and the flow rate of the used steam obtained by the flowmeter, controls a flow rate of the saturated steam to be supplied to the superheated steam generating part through the steam supply flow path.Type: ApplicationFiled: March 30, 2015Publication date: October 1, 2015Inventors: Toru Tonomura, Yasuhiro Fujimoto
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Publication number: 20150230294Abstract: The present invention intends to detect the temperature of an induction coil without providing a temperature sensor inside a roll main body, and includes: a DC voltage application part that controls a DC power supply to intermittently apply DC voltage to the induction coil; a resistance value calculation part that calculates a resistance value of the induction coil from the DC voltage applied by the DC voltage application part and DC current flowing through the induction coil; a relational data storage part that stores relational data indicating a resistance value versus temperature relationship between the resistance value of the induction coil and the temperature of the induction coil; and a coil temperature calculation part that calculates the temperature of the induction coil from the resistance value obtained by the resistance value calculation part and the resistance value versus temperature relationship indicated by the relational data.Type: ApplicationFiled: February 9, 2015Publication date: August 13, 2015Inventors: Toru Tonomura, Yasuhiro Fujimoto, Masayoshi Kimura
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Patent number: D771728Type: GrantFiled: February 17, 2015Date of Patent: November 15, 2016Assignee: TOKUDEN CO., LTD.Inventors: Toru Tonomura, Sachio Tamaki, Yasuhiro Fujimoto
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Patent number: D800061Type: GrantFiled: February 25, 2015Date of Patent: October 17, 2017Assignee: TOKUDEN CO., LTD.Inventors: Toru Tonomura, Sachio Tamaki, Yasuhiro Fujimoto