Patents by Inventor Yuji Kano
Yuji Kano 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: 11930601Abstract: A method for manufacturing a printed wiring board includes forming a seed layer on a surface of a resin insulating layer, applying a dry film onto the seed layer using a laminating roll device, cutting the dry film applied onto the seed layer to a predetermined size, applying pressure and heat to the dry film, forming a plating resist on the seed layer from the dry film using photographic technology, forming an electrolytic plating film on part of the seed layer exposed from the resist, removing the resist from the seed layer, and removing the part of the seed layer exposed from the electrolytic plating film. The applying of the pressure and heat includes applying the pressure and heat to the dry film applied onto the seed layer such that the pressure and heat are applied to the entire surface of the dry film cut to the predetermined size simultaneously.Type: GrantFiled: February 24, 2022Date of Patent: March 12, 2024Assignee: IBIDEN CO., LTD.Inventors: Yuji Kadowaki, Tomomi Kano
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Publication number: 20240030770Abstract: Provided is a rotary electric machine which is configured to draw three-phase output lines from a connection side coil end by an easy process. A stator for a rotary electric machine according to the present invention includes a plurality of segment coils including connection-side winding portions and non-connection-side winding portions. The connection-side winding portions are arranged on one side of a stator core and connected to slots with the same slot pitch, and the non-connection-side winding portions are arranged on the other side of the stator core and inserted into the slots with a plurality of kinds of slot pitches. The connection-side winding portions include a first connection group and a second connection group. The first connection group is provided with a plurality of terminal portions for connecting the segments, and the second connection group connects layers different from those in the first connection group, and is provided with a plurality of terminal portions.Type: ApplicationFiled: September 26, 2023Publication date: January 25, 2024Inventors: Yuji KANO, Takayuki KOIZUMI, Yasuyuki SAITO, Seigo MISAKI, Hisaya SHIMIZU
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Patent number: 11811284Abstract: Provided is a rotary electric machine which is configured to draw three-phase output lines from a connection side coil end by an easy process. A stator for a rotary electric machine according to the present invention includes a plurality of segment coils including connection-side winding portions and non-connection-side winding portions. The connection-side winding portions are arranged on one side of a stator core and connected to slots with the same slot pitch, and the non-connection-side winding portions are arranged on the other side of the stator core and inserted into the slots with a plurality of kinds of slot pitches. The connection-side winding portions include a first connection group and a second connection group. The first connection group is provided with a plurality of terminal portions for connecting the segments, and the second connection group connects layers different from those in the first connection group, and is provided with a plurality of terminal portions.Type: GrantFiled: April 1, 2021Date of Patent: November 7, 2023Assignee: Hitachi Astemo, Ltd.Inventors: Yuji Kano, Takayuki Koizumi, Yasuyuki Saito, Seigo Misaki, Hisaya Shimizu
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Patent number: 11245299Abstract: Provided is a rotary electric machine which is configured to draw three-phase output lines from a connection side coil end by an easy process. A stator for a rotary electric machine according to the present invention includes a plurality of segment coils including connection-side winding portions and non-connection-side winding portions. The connection-side winding portions are arranged on one side of a stator core and connected to slots with the same slot pitch, and the non-connection-side winding portions are arranged on the other side of the stator core and inserted into the slots with a plurality of kinds of slot pitches. The connection-side winding portions include a first connection group and a second connection group. The first connection group is provided with a plurality of terminal portions for connecting the segments, and the second connection group connects layers different from those in the first connection group, and is provided with a plurality of terminal portions.Type: GrantFiled: January 19, 2017Date of Patent: February 8, 2022Assignee: Hitachi Astemo, Ltd.Inventors: Yuji Kano, Takayuki Koizumi, Yasuyuki Saito, Seigo Misaki, Hisaya Shimizu
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Publication number: 20210328473Abstract: Provided is a rotary electric machine which is configured to draw three-phase output lines from a connection side coil end by an easy process. A stator for a rotary electric machine according to the present invention includes a plurality of segment coils including connection-side winding portions and non-connection-side winding portions. The connection-side winding portions are arranged on one side of a stator core and connected to slots with the same slot pitch, and the non-connection-side winding portions are arranged on the other side of the stator core and inserted into the slots with a plurality of kinds of slot pitches. The connection-side winding portions include a first connection group and a second connection group. The first connection group is provided with a plurality of terminal portions for connecting the segments, and the second connection group connects layers different from those in the first connection group, and is provided with a plurality of terminal portions.Type: ApplicationFiled: April 1, 2021Publication date: October 21, 2021Inventors: Yuji KANO, Takayuki KOIZUMI, Yasuyuki SAITO, Seigo MISAKI, Hisaya SHIMIZU
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Patent number: 10868448Abstract: A rotating electrical machine capable of achieving a high torque and low noise is provided. In a stator for a rotating electrical machine in which six or more slot conductors are inserted through one slot, the stator for a rotating electrical machine straddles slots such that a slot pitch of a jumper wire connecting round windings having different positions in a radial direction has at least two kinds or more different slot pitches.Type: GrantFiled: December 7, 2016Date of Patent: December 15, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yasuyuki Saito, Yuji Kano, Takayuki Koizumi
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Patent number: 10727709Abstract: Provided are a rotor of a rotary electrical machine, a rotary electrical machine, and a vehicle, which enable mitigation of stress concentration generated in a magnet insertion hole of a rotor core and high-speed rotation. A rotor 250 of a rotary electrical machine includes: a rotor core 252 including a plurality of magnet insertion holes 253 for each magnetic pole; and permanent magnets 254 inserted into the magnet insertion holes, in which a bridge portion 260, which mechanically connects a rotor core portion 256 on the outer circumferential side of the magnet insertion holes 253 and a rotor core portion 263 on the inner circumferential side of the magnet insertion holes 253, is provided between the adjacent magnet insertion holes, and the bridge portion 260 has two inflection points 266a and 266b on the outer circumferential side of the bridge portion 260.Type: GrantFiled: July 27, 2016Date of Patent: July 28, 2020Assignee: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yuji Kano, Hiroshi Hamano, Takayuki Koizumi, Yasuyuki Saito, Yousuke Umesaki, Seigo Misaki
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Patent number: 10511198Abstract: There is provided a rotor for a rotary electrical machine for improving mechanical strength of the rotor against centrifugal force. The rotary electrical machine is provided with a stator, and a rotor disposed with a gap from the stator, which has a rotor core. The rotor includes a magnet insertion hole, and a permanent magnet inserted into the magnet insertion hole. A clearance part is formed at a position of the magnet insertion hole corresponding to a corner of the inserted permanent magnet, which has a facing surface that is formed to face a surface of the permanent magnet via a gap. The facing surface of the clearance part has inflection points so that each of obtuse angles is formed by the two facing surfaces contiguous with the inflection points.Type: GrantFiled: March 7, 2014Date of Patent: December 17, 2019Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yuji Kano, Hiroshi Hamano, Yasuyuki Saito, Ryoji Kobayashi, Yosuke Umesaki, Manabu Oshida
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Patent number: 10340756Abstract: A rotating electric machine includes a stator core, a stator winding, and a rotor rotatably disposed via an air gap so as to be allowed to rotate relative to the stator core. A magnetic resistance-altering portion is provided on every other magnetic pole of magnetically-assisted salient pole members. A magnetic pole provided with the magnetic resistance-altering portion and a magnetic pole without the magnetic resistance-altering portion are alternately arranged.Type: GrantFiled: July 17, 2018Date of Patent: July 2, 2019Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yasuyuki Saito, Hiroshi Hamano, Ryoji Kobayashi, Taisuke Ikeda, Yuji Kano
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Publication number: 20190044403Abstract: Provided is a rotary electric machine which is configured to draw three-phase output lines from a connection side coil end by an easy process. A stator for a rotary electric machine according to the present invention includes a plurality of segment coils including connection-side winding portions and non-connection-side winding portions. The connection-side winding portions are arranged on one side of a stator core and connected to slots with the same slot pitch, and the non-connection-side winding portions are arranged on the other side of the stator core and inserted into the slots with a plurality of kinds of slot pitches. The connection-side winding portions include a first connection group and a second connection group. The first connection group is provided with a plurality of terminal portions for connecting the segments, and the second connection group connects layers different from those in the first connection group, and is provided with a plurality of terminal portions.Type: ApplicationFiled: January 19, 2017Publication date: February 7, 2019Inventors: Yuji KANO, Takayuki KOIZUMI, Yasuyuki SAITO, Seigo MISAKI, Hisaya SHIMIZU
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Publication number: 20190027977Abstract: To provide a rotating electrical machine capable of achieving a high torque and low noise. In a stator for a rotating electrical machine in which six or more slot conductors are inserted through one slot, the stator for a rotating electrical machine straddles slots such that a slot pitch of a jumper wire connecting round windings having different positions in a radial direction has at least two kinds or more different slot pitches.Type: ApplicationFiled: December 7, 2016Publication date: January 24, 2019Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Yasuyuki SAITO, Yuji KANO, Takayuki KOIZUMI
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Publication number: 20180342914Abstract: A rotating electric machine includes a stator core, a stator winding, and a rotor rotatably disposed via an air gap so as to be allowed to rotate relative to the stator core. A magnetic resistance-altering portion is provided on every other magnetic pole of magnetically-assisted salient pole members. A magnetic pole provided with the magnetic resistance-altering portion and a magnetic pole without the magnetic resistance-altering portion are alternately arranged.Type: ApplicationFiled: July 17, 2018Publication date: November 29, 2018Inventors: Yasuyuki SAITO, Hiroshi HAMANO, Ryoji KOBAYASHI, Taisuke IKEDA, Yuji KANO
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Publication number: 20180248427Abstract: Provided are a rotor of a rotary electrical machine, a rotary electrical machine, and a vehicle, which enable mitigation of stress concentration generated in a magnet insertion hole of a rotor core and high-speed rotation. A rotor 250 of a rotary electrical machine includes: a rotor core 252 including a plurality of magnet insertion holes 253 for each magnetic pole; and permanent magnets 254 inserted into the magnet insertion holes, in which a bridge portion 260, which mechanically connects a rotor core portion 256 on the outer circumferential side of the magnet insertion holes 253 and a rotor core portion 263 on the inner circumferential side of the magnet insertion holes 253, is provided between the adjacent magnet insertion holes, and the bridge portion 260 has two inflection points 266a and 266b on the outer circumferential side of the bridge portion 260.Type: ApplicationFiled: July 27, 2016Publication date: August 30, 2018Applicant: Hitachi Automotive Systems, Ltd.Inventors: Yuji KANO, Hiroshi HAMANO, Takayuki KOIZUMI, Yasuyuki SAITO, Yousuke UMESAKI, Seigo MISAKI
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Patent number: 10056794Abstract: A rotating electric machine, in which a cross conductors of a stator connect slot conductors so as to stride N+1 slots at coil ends on one side and stride N?1 slots at coil ends on another side, with N representing a number of slots per pole, a stator winding includes a plurality of slot conductor groups each made up with a plurality of slot conductors corresponding to a single phase, the plurality of slot conductors in each slot conductor group are inserted at a predetermined number Ns of successive slots forming a continuous range along a circumference of the stator core so that the slot conductors in the slot conductor group take successive slot positions and successive layer positions, Ns=NSPP+NL when NSPP represents a number of slots per pole per phase and a number of layers is expressed as 2×NL.Type: GrantFiled: December 4, 2017Date of Patent: August 21, 2018Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yasuyuki Saito, Hiroshi Hamano, Ryoji Kobayashi, Taisuke Ikeda, Yuji Kano
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Publication number: 20180091007Abstract: A rotating electric machine, in which a cross conductors of a stator connect slot conductors so as to stride N+1 slots at coil ends on one side and stride N?1 slots at coil ends on another side, with N representing a number of slots per pole, a stator winding includes a plurality of slot conductor groups each made up with a plurality of slot conductors corresponding to a single phase, the plurality of slot conductors in each slot conductor group are inserted at a predetermined number Ns of successive slots forming a continuous range along a circumference of the stator core so that the slot conductors in the slot conductor group take successive slot positions and successive layer positions, Ns=NSPP+NL when NSPP represents a number of slots per pole per phase and a number of layers is expressed as 2×NL.Type: ApplicationFiled: December 4, 2017Publication date: March 29, 2018Inventors: Yasuyuki Saito, Hiroshi Hamano, Ryoji Kobayashi, Taisuke Ikeda, Yuji Kano
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Patent number: 9871417Abstract: A rotating electric machine, in which a cross conductors of a stator connect slot conductors so as to stride N+1 slots at coil ends on one side and stride N?1 slots at coil ends on another side, with N representing a number of slots per pole, a stator winding includes a plurality of slot conductor groups each made up with a plurality of slot conductors corresponding to a single phase, the plurality of slot conductors in each slot conductor group are inserted at a predetermined number Ns of successive slots forming a continuous range along a circumference of the stator core so that the slot conductors in the slot conductor group take successive slot positions and successive layer positions, Ns=NSPP+NL when NSPP represents a number of slots per pole per phase and a number of layers is expressed as 2×NL.Type: GrantFiled: January 9, 2013Date of Patent: January 16, 2018Assignee: Hitachi Automotive Systems, Ltd.Inventors: Yasuyuki Saito, Hiroshi Hamano, Ryoji Kobayashi, Taisuke Ikeda, Yuji Kano
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Publication number: 20160141926Abstract: There is provided a rotor for a rotary electrical machine for improving mechanical strength of the rotor against centrifugal force. The rotary electrical machine is provided with a stator, and a rotor disposed with a gap from the stator, which has a rotor core. The rotor includes a magnet insertion hole, and a permanent magnet inserted into the magnet insertion hole. A clearance part is formed at a position of the magnet insertion hole corresponding to a corner of the inserted permanent magnet, which has a facing surface that is formed to face a surface of the permanent magnet via a gap. The facing surface of the clearance part has inflection points so that each of obtuse angles is formed by the two facing surfaces contiguous with the inflection points.Type: ApplicationFiled: March 7, 2014Publication date: May 19, 2016Inventors: Yuji KANO, Hiroshi HAMANO, Yasuyuki SAITO, Ryoji KOBAYASHI, Yosuke UMESAKI, Manabu OSHIDA
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Patent number: 9300179Abstract: An electric rotating machine having high cooling performance is provided. The electric rotating machine is configured to include a rotor rotating around a rotational axis; and a stator disposed to face the circumferential surface of the rotor. The stator includes a stator core having a cylindrical core back and a plurality of teeth radially extending from the core back, and a stator coil wound around the teeth in concentrated winding via an insulation material. A spacer having electric insulation performance is attached between the stator coils each wound around the respective teeth adjacent to each other. The spacer has a coefficient of linear expansion greater than that of the stator core.Type: GrantFiled: February 1, 2013Date of Patent: March 29, 2016Assignee: Hitachi Automotive Systems, Ltd.Inventors: Itsuro Sawada, Hiroshi Hamano, Taisuke Ikeda, Yasuyuki Saito, Yuji Kano
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Patent number: 9281596Abstract: A connector terminal comprised of a single bent metal sheet, includes a contact portion including a first sheet portion and a second sheet portion, the first sheet portion and the second sheet portion being folded to overlap one on another, a terminal body, and a connector portion connecting the terminal body and the contact portion to each other, the connector portion including a reinforcement portion covering therewith an end surface of the first sheet portion, an end surface of the second sheet portion, and at least a part of a surface of the second sheet portion in a part of the contact portion.Type: GrantFiled: August 13, 2014Date of Patent: March 8, 2016Assignee: DAI-ICHI SEIKO CO., LTD.Inventors: Takayoshi Endo, Sakai Yagi, Jun Mukunoki, Yuji Kano
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Publication number: 20150056872Abstract: A connector terminal comprised of a single bent metal sheet, including a contact portion including a first sheet portion and a second sheet portion, the first and second sheet portions being folded to overlap one on another, a terminal body, and a connector portion connecting the terminal body and the contact portion to each other, the connector portion including a reinforcement portion covering therewith an end surface of the first sheet portion, an end surface of the second sheet portion, and at least a part of a surface of the second sheet portion in a part of the contact portion.Type: ApplicationFiled: August 13, 2014Publication date: February 26, 2015Inventors: Takayoshi ENDO, Sakai YAGI, Jun MUKUNOKI, Yuji KANO