Patents by Inventor Haruki Kusamaki
Haruki Kusamaki 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: 11394261Abstract: Disclosed are: preparing a rotor core having a plurality of magnet holes spaced near a circumferential edge of the rotor core; preparing a plurality of permanent magnet units each including a porous body and a magnet main body disposed in contact with each other; and inserting the permanent magnet units into the magnet holes and securing the permanent magnet units in the magnet holes.Type: GrantFiled: December 12, 2019Date of Patent: July 19, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masashi Matsumoto, Haruki Kusamaki, Hazuki Kawamura, Kohei Watanabe, Yuki Tanaka
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Patent number: 11309760Abstract: A rotary electric machine includes a stator core having a plurality of teeth arranged in a row along a circumferential direction of the stator core, and a stator coil composed of a winding wire wound around the teeth. The stator coil includes coil end portions extending, outside the stator core in an axial direction thereof, along a substantially circumferential direction of the stator core, and straight portions extending along the axial direction, the straight portions being at least partially housed in a slot which is a void defined by two adjacent teeth of the plurality of teeth. In the rotary electric machine, a cooling groove is formed at least in the straight portion, the cooling groove functioning as a cooling channel through which a cooling fluid flows, and each straight portion includes only one cooling channel.Type: GrantFiled: January 6, 2020Date of Patent: April 19, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masashi Matsumoto, Hazuki Kawamura, Kohei Watanabe, Yuki Tanaka, Haruki Kusamaki
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Patent number: 11277046Abstract: A rotary electric machine includes a stator core having a plurality of teeth arranged in a row along a circumferential direction of the stator core, and a stator coil composed of a winding wire wound around the teeth. The stator coil includes coil end portions extending, outside the stator core in an axial direction thereof, along a substantially circumferential direction of the stator core, and straight portions extending along the axial direction, the straight portions being at least partially housed in a slot which is a void defined by two adjacent teeth of the plurality of teeth. In the rotary electric machine, a cooling groove is formed at least in the straight portion, the cooling groove functioning as a cooling channel through which a cooling fluid flows, and each straight portion includes only one cooling channel.Type: GrantFiled: January 6, 2020Date of Patent: March 15, 2022Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masashi Matsumoto, Hazuki Kawamura, Kohei Watanabe, Yuki Tanaka, Haruki Kusamaki
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Publication number: 20200235627Abstract: A rotary electric machine includes a stator core having a plurality of teeth arranged in a row along a circumferential direction of the stator core, and a stator coil composed of a winding wire wound around the teeth. The stator coil includes coil end portions extending, outside the stator core in an axial direction thereof, along a substantially circumferential direction of the stator core, and straight portions extending along the axial direction, the straight portions being at least partially housed in a slot which is a void defined by two adjacent teeth of the plurality of teeth. In the rotary electric machine, a cooling groove is formed at least in the straight portion, the cooling groove functioning as a cooling channel through which a cooling fluid flows, and each straight portion includes only one cooling channel.Type: ApplicationFiled: January 6, 2020Publication date: July 23, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masashi MATSUMOTO, Hazuki KAWAMURA, Kohei WATANABE, Yuki TANAKA, Haruki KUSAMAKI
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Publication number: 20200212743Abstract: Disclosed are: preparing a rotor core having a plurality of magnet holes spaced near a circumferential edge of the rotor core; preparing a plurality of permanent magnet units each including a porous body and a magnet main body disposed in contact with each other; and inserting the permanent magnet units into the magnet holes and securing the permanent magnet units in the magnet holes.Type: ApplicationFiled: December 12, 2019Publication date: July 2, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masashi MATSUMOTO, Haruki KUSAMAKI, Hazuki KAWAMURA, Kohei WATANABE, Yuki TANAKA
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Publication number: 20200212731Abstract: A stator includes a stator core having an annular shape, the stator core being wound with a coil. The stator core includes a plurality of magnetic plates and a porous body intervening between the plurality of magnetic plates, the plurality of magnetic plates and the porous body being layered.Type: ApplicationFiled: December 12, 2019Publication date: July 2, 2020Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Masashi Matsumoto, Haruki Kusamaki, Hazuki Kawamura, Kohei Watanabe, Yuki Tanaka
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Patent number: 10199898Abstract: A rotary electric machine includes a stator core, a coil, and a molded portion. The stator core includes an annular yoke and a plurality of teeth. The teeth protrude radially inward from the annular yoke. The coils are wound around the teeth respectively. The coil includes a coil end that protrudes toward an axially outer side from an axially end surface of the stator core. The molded portion is a resin member that covers the coil end. The molded portion includes a first member. The first member includes a communication portion that communicates inside of the molded portion with outside of the molded portion.Type: GrantFiled: January 14, 2015Date of Patent: February 5, 2019Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, MATSUO INDUSTRIES, INC.Inventors: Kentaro Haruno, Haruki Kusamaki, Yuki Yamakawa
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Patent number: 10170865Abstract: The electric shielded wire connection structure includes: a lower side case that accommodates a rotary electric machine; an upper side case that is positioned immediately above, and facing, the lower side case and accommodates an inverter; a plurality of electric wires that is arranged in a state where one end thereof is connected to a lower side terminal block immediately under the upper side case, the other end thereof is connected to an upper side terminal block at a wall surface side end part of the upper side case, and the plurality of electric wires is bent from the position immediately under the upper side case so as to face the wall surface; and a braided shielding member that shields the plurality of electric wires and is arranged for the plurality of electric wires only at the side opposite to the surface facing the upper side case.Type: GrantFiled: October 16, 2015Date of Patent: January 1, 2019Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., Sumitomo Electric Industries, Ltd.Inventors: Yasuhiro Makido, Yousuke Kurono, Haruki Kusamaki, Tetsuya Iida, Junpei Nakamoto, Takuya Tate, Hiroyuki Matsuoka, Kouji Fukumoto, Daisuke Hashimoto, Toshiya Hirooka
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Publication number: 20180019549Abstract: The electric shielded wire connection structure includes: a lower side case that accommodates a rotary electric machine; an upper side case that is positioned immediately above, and facing, the lower side case and accommodates an inverter; a plurality of electric wires that is arranged in a state where one end thereof is connected to a lower side terminal block immediately under the upper side case, the other end thereof is connected to an upper side terminal block at a wall surface side end part of the upper side case, and the plurality of electric wires is bent from the position immediately under the upper side case so as to face the wall surface; and a braided shielding member that shields the plurality of electric wires and is arranged for the plurality of electric wires only at the side opposite to the surface facing the upper side case.Type: ApplicationFiled: October 16, 2015Publication date: January 18, 2018Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Yasuhiro MAKIDO, Yousuke KURONO, Haruki KUSAMAKI, Tetsuya IIDA, Junpei NAKAMOTO, Takuya TATE, Hiroyuki MATSUOKA, Kouji FUKUMOTO, Daisuke HASHIMOTO, Toshiya HIROOKA
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Patent number: 9742124Abstract: A terminal block including an electric wire, a shield material, a terminal, a housing and a shield bracket. The shield material is configured to cover at least a part of the electric wire. The electric wire is connected to the terminal. The housing is configured to accommodate the terminal. The shield bracket is fixed to the housing. The shield bracket is configured to hold the shield material, and includes a folding portion. The folding portion is configured to hold an end of the shield material by sandwiching the end of the shield material. The folding portion has a notch hole.Type: GrantFiled: February 10, 2015Date of Patent: August 22, 2017Assignees: TOYOTA JIDOSHA KABUSHIKI KAISHA, SUMITOMO WIRING SYSTEMS, LTD., AUTONETWORKS TECHNOLOGIES, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Haruki Kusamaki, Hiroyuki Matsuoka, Takuya Tate, Yoshimi Uchida, Junpei Nakamoto, Tetsuya Iida, Daisuke Hashimoto, Kouji Fukumoto
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Publication number: 20160380390Abstract: A terminal block including an electric wire, a shield material, a terminal, a housing and a shield bracket. The shield material is configured to cover at least a part of the electric wire. The electric wire is connected to the terminal. The housing is configured to accommodate the terminal. The shield bracket is fixed to the housing. The shield bracket is configured to hold the shield material, and includes a folding portion. The folding portion is configured to hold an end of the shield material by sandwiching the end of the shield material. The folding portion has a notch hole.Type: ApplicationFiled: February 10, 2015Publication date: December 29, 2016Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, Sumitomo Wiring Systems, Ltd., Autonetworks Technologies, LTD., SUMITOMO ELECTRIC INDUSTRIES, LTD.Inventors: Haruki KUSAMAKI, Hiroyuki MATSUOKA, Takuya TATE, Yoshimi UCHIDA, Junpei NAKAMOTO, Tetsuya IIDA, Daisuke HASHIMOTO, Kouji FUKUMOTO
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Publication number: 20160336829Abstract: A rotary electric machine includes a stator core, a coil, and a molded portion. The stator core includes an annular yoke and a plurality of teeth. The teeth protrude radially inward from the annular yoke. The coils are wound around the teeth respectively. The coil includes a coil end that protrudes toward an axially outer side from an axially end surface of the stator core. The molded portion is a resin member that covers the coil end. The molded portion includes a first member. The first member includes a communication portion that communicates inside of the molded portion with outside of the molded portion.Type: ApplicationFiled: January 14, 2015Publication date: November 17, 2016Applicants: TOYOTA JIDOSHA KABUSHIKI KAISHA, MATSUO INDUSTRIES, INC.Inventors: Kentaro HARUNO, Haruki KUSAMAKI, Yuki YAMAKAWA
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Patent number: 9281578Abstract: The cables are configured to supply electric power from an inverter to a motor. The cables include a connector and plural terminals fixed to the connector. A housing of the connector includes a first rib, provided between the adjacent terminals, connecting mutually facing surfaces of the housing. The terminal block is attached to an enclosure of the inverter or motor. The terminal block includes plural retaining walls, each of which encloses and retains a nut. The terminal block includes a second rib connecting adjacent retaining walls. One of the first and second ribs includes a recess. The connector is connected to the terminal block when each of the terminals is fastened to the terminal block with a bolt and the nut. The other of the first and second ribs is disposed in the recess and the ribs intersect when the connector is connected to the terminal block.Type: GrantFiled: January 10, 2014Date of Patent: March 8, 2016Assignees: Toyota Jidosha Kabushiki Kaisha, Sumitomo Wiring Systems, Ltd.Inventors: Haruki Kusamaki, Tetsuya Lida, Hiroyuki Matsuoka, Takuya Tate
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Publication number: 20150050833Abstract: A cable unit includes a first connector, a second connector, and a cable. The first connector is connected with a terminal block of a transaxle case. The second connector is connected with a terminal block of a power control unit case. The cable connects the first connector with the second connector. The cable is routed into a curved shape to be curved three-dimensionally. And the cable is deformed when the transaxle case and the power control unit case move relative to each other as a vehicle is driven.Type: ApplicationFiled: August 13, 2014Publication date: February 19, 2015Inventors: Tatsuhiko Mizutani, Haruki Kusamaki, Takuya Tate, Hiroyuki Matsuoka, Hirotaka Baba, Tetsuya Iida, Junpei Nakamoto
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Publication number: 20140199894Abstract: The cables are configured to supply electric power from an inverter to a motor. The cables include a connector and plural terminals fixed to the connector. A housing of the connector includes a first rib, provided between the adjacent terminals, connecting mutually facing surfaces of the housing. The terminal block is attached to an enclosure of the inverter or motor. The terminal block includes plural retaining walls, each of which encloses and retains a nut. The terminal block includes a second rib connecting adjacent retaining walls. One of the first and second ribs includes a recess. The connector is connected to the terminal block when each of the terminals is fastened to the terminal block with a bolt and the nut. The other of the first and second ribs is disposed in the recess and the ribs intersect when the connector is connected to the terminal block.Type: ApplicationFiled: January 10, 2014Publication date: July 17, 2014Applicants: SUMITOMO WIRING SYSTEMS, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Haruki Kusamaki, Tetsuya Iida, Hiroyuki Matsuoka, Takuya Tate