Patents by Inventor Noriyuki Yagi
Noriyuki Yagi 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: 20240106289Abstract: A stator includes a cylindrical stator core having a plurality of slots, and a plurality of coils having segment conductors inserted through the plurality of slots and extending in axial direction, a coolant flow channel through which coolant flows is formed between outer circumferential surface of the segment conductor and inner circumferential surface of the slot, the outer circumferential surface of the segment conductor includes first flat surface facing radial direction, second flat surface facing circumferential direction, and a corner portion curved surface connecting the first flat surface and the second flat surface, the corner portion curved surface includes first curved surface continuous with the first flat surface and second curved surface continuous with the second flat surface, and when seen in cross-sectional view perpendicular to the axial direction, radius of curvature of the first curved surface is greater than radius of curvature of the second curved surface.Type: ApplicationFiled: September 21, 2023Publication date: March 28, 2024Inventors: Kentaro Fukui, Shinji Kato, Takashi Wakui, Noriyuki Yagi
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Patent number: 11777353Abstract: A dynamoelectric machine includes: a winding formed of a bundle of conducting wires; a stator core including a slot in which the winding is disposed; and an insulating paper disposed between the stator core and the winding in the slot, wherein the conducting wires have a self-fusing property, the insulating paper has a foam layer, and a coolant channel is formed between the conducting wires of the winding.Type: GrantFiled: February 23, 2022Date of Patent: October 3, 2023Assignee: HONDA MOTOR CO., LTD.Inventors: Taku Ueda, Noriyuki Yagi, Fumiya Nishii, Shinji Kato
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Publication number: 20220286005Abstract: A dynamoelectric machine includes: a winding formed of a bundle of conducting wires; a stator core including a slot in which the winding is disposed; and an insulating paper disposed between the stator core and the winding in the slot, wherein the conducting wires have a self-fusing property, the insulating paper has a foam layer, and a coolant channel is formed between the conducting wires of the winding.Type: ApplicationFiled: February 23, 2022Publication date: September 8, 2022Inventors: Taku Ueda, Noriyuki Yagi, Fumiya Nishii, Shinji Kato
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Patent number: 10890218Abstract: A hydraulic circuit includes a first shift valve and a second shift valve that are provided in series between a source oil path through which oil whose pressure has been regulated flows and a first clutch oil path and a second clutch oil path. The first shift valve is selectively switchable between a first switching state where a first communicating oil path and the first clutch oil path are communicated and a second switching state where a second communicating oil path and the second clutch oil path are communicated, and the second shift valve is selectively switchable between a third switching state where the source oil path and the first communicating oil path are communicated and a fourth switching state where the source oil path and the second communicating oil path are communicated.Type: GrantFiled: August 29, 2019Date of Patent: January 12, 2021Assignee: HONDA MOTOR CO., LTD.Inventors: Hisashi Ishikawa, Yuji Okazaki, Shigeji Nakano, Hideaki Iwashita, Yuya Shimota, Noriyuki Yagi, Yoshihiro Sato
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Publication number: 20200072299Abstract: A hydraulic circuit includes a first shift valve and a second shift valve that are provided in series between a source oil path through which oil whose pressure has been regulated flows and a first clutch oil path and a second clutch oil path. The first shift valve is selectively switchable between a first switching state where a first communicating oil path and the first clutch oil path are communicated and a second switching state where a second communicating oil path and the second clutch oil path are communicated, and the second shift valve is selectively switchable between a third switching state where the source oil path and the first communicating oil path are communicated and a fourth switching state where the source oil path and the second communicating oil path are communicated.Type: ApplicationFiled: August 29, 2019Publication date: March 5, 2020Applicant: HONDA MOTOR CO., LTD.Inventors: Hisashi Ishikawa, Yuji Okazaki, Shigeji Nakano, Hideaki Iwashita, Yuya Shimota, Noriyuki Yagi, Yoshihiro Sato
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Patent number: 10243222Abstract: A gasket is arranged between a fastening portion of an end plate arranged at an end in a cell stacking direction of a cell stack of a fuel cell and a case covering a periphery of the cell stack. The gasket is configured to seal a gap between the fastening portion and the gasket and a gap between the case and the gasket. The gasket includes a base plate and an elastic material layer. The base plate has a slope section that connects an inner peripheral section and an outer peripheral section to each other. The inner peripheral section and the outer peripheral section are located at different positions in a thickness direction of the base plate. The slope section is inclined with respect to the inner peripheral section and the outer peripheral section.Type: GrantFiled: June 12, 2017Date of Patent: March 26, 2019Assignee: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Kunihiro Yamaura, Noriyuki Yagi
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Patent number: 9995383Abstract: A hydraulic system of vehicle transmission device is provided. A heat exchanger configured downstream is used to cool working oil discharged from a torque converter, and the working oil is supplied, as lubricating oil, to a lubricating system hydraulic circuit. On the other hand, excess oil flowing out of a regulator valve for regulating line pressure returns to an input side of an oil pump through a recycle oil path. A bypass oil path is disposed in a manner of branching from the recycle oil path and connecting to an input side of the heat exchanger. A control mechanism is disposed, and when hydraulic pressure at the side of the recycle oil path is higher than that at the side of the heat exchanger, the bypass oil path is opened to guide oil at the side of the recycle oil path to the input side of the heat exchanger.Type: GrantFiled: March 13, 2017Date of Patent: June 12, 2018Assignee: Honda Motor Co., Ltd.Inventors: Noriyuki Yagi, Yoshinori Tanaka
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Publication number: 20170373328Abstract: A gasket is arranged between a fastening portion of an end plate arranged at an end in a cell stacking direction of a cell stack of a fuel cell and a case covering a periphery of the cell stack. The gasket is configured to seal a gap between the fastening portion and the gasket and a gap between the case and the gasket. The gasket includes a base plate and an elastic material layer. The base plate has a slope section that connects an inner peripheral section and an outer peripheral section to each other. The inner peripheral section and the outer peripheral section are located at different positions in a thickness direction of the base plate. The slope section is inclined with respect to the inner peripheral section and the outer peripheral section.Type: ApplicationFiled: June 12, 2017Publication date: December 28, 2017Applicant: TOYOTA BOSHOKU KABUSHIKI KAISHAInventors: Kunihiro YAMAURA, Noriyuki YAGI
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Publication number: 20170268658Abstract: A hydraulic system of vehicle transmission device is provided. A heat exchanger configured downstream is used to cool working oil discharged from a torque converter, and the working oil is supplied, as lubricating oil, to a lubricating system hydraulic circuit. On the other hand, excess oil flowing out of a regulator valve for regulating line pressure returns to an input side of an oil pump through a recycle oil path. A bypass oil path is disposed in a manner of branching from the recycle oil path and connecting to an input side of the heat exchanger. A control mechanism is disposed, and when hydraulic pressure at the side of the recycle oil path is higher than that at the side of the heat exchanger, the bypass oil path is opened to guide oil at the side of the recycle oil path to the input side of the heat exchanger.Type: ApplicationFiled: March 13, 2017Publication date: September 21, 2017Applicant: Honda Motor Co.,Ltd.Inventors: Noriyuki YAGI, Yoshinori TANAKA
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Patent number: 9242637Abstract: A vehicle control system includes: a power unit including an electric rotary machine; an electric coolant pump configured to circulate a coolant that cools the electric rotary machine; and a control unit configured to operate the electric coolant pump based on a condition that a temperature of the electric rotary machine is equal to or higher than a predetermined operation threshold temperature, and a condition that an output of the electric rotary machine is equal to or higher than a predetermined operation threshold output.Type: GrantFiled: March 15, 2013Date of Patent: January 26, 2016Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN SEIKI KABUSHIKI KAISHA, AISIN AW CO., LTD.Inventors: Tomohiko Miyamoto, Noriyuki Yagi, Shigeru Matsumura, Kenjiro Nagata, Masatoshi Sugimoto
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Publication number: 20150145442Abstract: A power unit includes a first rotating electrical machine and a second rotating electrical machine as prime movers. The first rotating electrical machine, the second rotating electrical machine and a drive wheel are respectively connected to a ring gear, sun gear and carrier of a planetary gear mechanism. When a temperature of a permanent magnet of the first rotating electrical machine becomes close to a temperature at which demagnetization occurs, an output of the first rotating electrical machine is reduced, and an output of the second rotating electrical machine is increased. Thus, the total output of the power unit is kept.Type: ApplicationFiled: July 23, 2013Publication date: May 28, 2015Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Tomohiko Miyamoto, Masayuki Ikemoto, Mamoru Kuramoto, Noriyuki Yagi
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Patent number: 8978500Abstract: In an hydraulic pressure supply apparatus for a transmission having an input shaft connected to a drive shaft of a prime mover mounted on a vehicle through a torque converter with a lockup clutch, it is configured to have a hydraulic pump drawing up and discharging operating oil; a regulator valve regulating discharged pressure to a line pressure; first and second switching valves supplying hydraulic pressure to the first and second clutches; a first hydraulic control valve supplying the regulated line pressure to the lockup clutch; a third switching valve connected to an output port of the first hydraulic control valve; and first and second electromagnetic valves connected to operating ports of the first, second and third switching valves and adapted to switch among the first, second and third switching valves upon being energized and deenergized.Type: GrantFiled: May 21, 2012Date of Patent: March 17, 2015Assignee: Honda Motor Co., LtdInventor: Noriyuki Yagi
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Publication number: 20150051768Abstract: A vehicle control system includes: a power unit including an electric rotary machine; an electric coolant pump configured to circulate a coolant that cools the electric rotary machine; and a control unit configured to operate the electric coolant pump based on a condition that a temperature of the electric rotary machine is equal to or higher than a predetermined operation threshold temperature, and a condition that an output of the electric rotary machine is equal to or higher than a predetermined operation threshold output.Type: ApplicationFiled: March 15, 2013Publication date: February 19, 2015Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, AISIN AW CO., LTD., AISIN SEIKI KABUSHIKI KAISHAInventors: Tomohiko Miyamoto, Noriyuki Yagi, Shigeru Matsumura, Kenjiro Nagata, Masatoshi Sugimoto
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Patent number: 8833191Abstract: In a control apparatus for an automatic transmission having multiple speeds constituted by four sets and speed selecting mechanisms corresponding to the four sets, assuming the speeds as seven among eight speeds of A to H in order of gear ratio, the four sets are constituted by a first set of A having a largest gear ratio and C that is next but one; a second set including at least H having a smallest gear ratio; a third set of B and D between two of the first set; and a fourth set including two of E, F and G between the second and third sets, and one of first and second pressure regulators selectively supplies hydraulic pressure to two of the mechanisms corresponding to the first and second sets, while the other thereof selectively supplies hydraulic pressure to two of the mechanisms corresponding to the third and fourth sets.Type: GrantFiled: May 21, 2012Date of Patent: September 16, 2014Assignee: Honda Motor Co., Ltd.Inventors: Noriyuki Yagi, Yasushi Inagawa, Shirou Godai, Hirotake Omoto
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Patent number: 8689654Abstract: In an hydraulic pressure supply apparatus for a transmission, it is configured to have a first hydraulic control valve supplying signal pressure to a pressure regulation port of a regulator valve that regulates discharged pressure discharged from a hydraulic pump to line pressure; a second hydraulic control valve regulating the line pressure and supply it to a lockup clutch; a connecting section connecting a hydraulic passage connecting the first hydraulic control valve and the pressure regulation port with a hydraulic passage connected to an output port of the second hydraulic control valve; and a selecting mechanism installed at the connecting section to select higher pressure between output pressures of the first and second hydraulic control valves such that the selected one acts on the pressure regulation port.Type: GrantFiled: May 21, 2012Date of Patent: April 8, 2014Assignee: Honda Motor Co., LtdInventor: Noriyuki Yagi
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Patent number: 8568273Abstract: A hydraulic control device is provided with a linear solenoid valve, a shift valve, and a controller. The linear solenoid valve has a gain switching chamber which produces a biasing force in a direction to close the linear solenoid valve to switch the gain characteristic of the linear solenoid valve when oil pressure is supplied to the gain switching chamber. The shift valve is configured to be switchable between a supply state in which the output oil pressure from the linear solenoid valve is supplied to the gain switching chamber and a blocked state in which the supply of the output oil pressure is blocked. The controller brings the shift valve into the supply state when a necessary oil pressure of an engagement element is high and into the blocked state when the necessary oil pressure of the engagement element is low.Type: GrantFiled: May 27, 2010Date of Patent: October 29, 2013Assignee: Honda Motor Co., Ltd.Inventor: Noriyuki Yagi
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Patent number: 8529404Abstract: A hydraulic control device is provided with a linear solenoid valve, a shift valve, and a controller. The linear solenoid valve has a gain switching chamber which produces a biasing force in a direction to close the linear solenoid valve to switch the gain characteristic of the linear solenoid valve when oil pressure is supplied to the gain switching chamber. The shift valve is configured to be switchable between a supply state in which the output oil pressure from the linear solenoid valve is supplied to the gain switching chamber and a blocked state in which the supply of the output oil pressure is blocked. The controller brings the shift valve into the supply state when a necessary oil pressure of an engagement element is high and into the blocked state when the necessary oil pressure of the engagement element is low.Type: GrantFiled: May 27, 2010Date of Patent: September 10, 2013Assignee: Honda Motor Co., Ltd.Inventor: Noriyuki Yagi
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Publication number: 20130221772Abstract: A cooling structure of a rotor for a rotary electric machine includes: a rotatable shaft that is configured to supply coolant that flows inside the shaft to outside the shaft; a rotor core that is fitted onto the shaft and fixed thereto, and has a coolant flow path for flowing the coolant, in an axial direction of the rotary electric machine, that is supplied from the shaft, and is formed of a plurality of magnetic plates stacked together in the axial direction of the rotary electric machine; and a coolant impermeable nonmagnetic member that is provided in the rotor core near an inner circumferential surface on a radially outer side in a radial direction of the rotor core, of the inner circumferential surface of the coolant flow path.Type: ApplicationFiled: February 27, 2013Publication date: August 29, 2013Inventors: Tomohiko MIYAMOTO, Yoshitada YAMAGISHI, Noriyuki YAGI, Shintaro MASATSUKI, Taketo TAKEUCHI, Satoshi MURAKAMI
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Patent number: 8479903Abstract: A hydraulic control device for a transmission is provided. The hydraulic control device regulates hydraulic pressure from an oil pressure source to generate line pressure, and selectively applies the generated line pressure to at least two kinds of controlled objects. The hydraulic control device includes: linear solenoid valves each controlling hydraulic pressure to the line pressure in accordance with electromagnetic force of a solenoid; and switching valves each selectively switching at least two kinds of controlled objects to apply the hydraulic pressure applied from the corresponding linear solenoid valve to the switched controlled object. The hydraulic control device further includes a feedback oil passage provided for each of the switching valves. The feedback oil passage is branched from one of a plurality of output oil passages of the corresponding switching valve. The feedback oil passage is connected to a feedback port of the linear solenoid valve.Type: GrantFiled: October 21, 2010Date of Patent: July 9, 2013Assignee: Honda Motor Co., LtdInventor: Noriyuki Yagi
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Publication number: 20130025389Abstract: In a control apparatus for an automatic transmission having multiple speeds constituted by four sets and speed selecting mechanisms corresponding to the four sets, assuming the speeds as seven among eight speeds of A to H in order of gear ratio, the four sets are constituted by a first set of A having a largest gear ratio and C that is next but one; a second set including at least H having a smallest gear ratio; a third set of B and D between two of the first set; and a fourth set including two of E, F and G between the second and third sets, and one of first and second pressure regulators selectively supplies hydraulic pressure to two of the mechanisms corresponding to the first and second sets, while the other thereof selectively supplies hydraulic pressure to two of the mechanisms corresponding to the third and fourth sets.Type: ApplicationFiled: May 21, 2012Publication date: January 31, 2013Applicant: HONDA MOTOR CO., LTDInventors: Noriyuki Yagi, Yasushi Inagawa, Shirou Godai, Hirotake Omoto