Patents by Inventor Hideharu Ushida
Hideharu Ushida 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: 12272935Abstract: A method of manufacturing a rectangular conducting wire wherein insulating coating of rectangular conducting wire is removed by applying laser light the insulating coating, four planar portions on exterior of rectangular conducting wire are sequentially defined as a first, second, third, and fourth face portion, second corner portion is defined between second and third face portions, and fourth corner portion is defined between fourth and first face portions.Type: GrantFiled: December 25, 2020Date of Patent: April 8, 2025Assignee: AISIN CORPORATIONInventors: Hideharu Ushida, Michiharu Ikeda, Takaya Yamazaki, Hiroyuki Ono
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Patent number: 12176771Abstract: A conductor wire insulating film separating method disclosed includes: a preparing step involving preparing rectangular cross-section coil pieces each of which is a conductor wire coated with insulating film and used to provide a stator coil of rotary electric machine; a delivering-in step involving, after the preparing step, delivering coil pieces into a laser separator, with coil pieces aligned such that extremities thereof are adjacent to each other; an applying step involving, after the delivering-in step, continuously applying film removing laser to the extremities of the aligned coil pieces such that the laser is applied to one extremity and then to another extremity, thus removing at least portions of the insulating film from the extremities of the coil pieces; and a delivering-out step involving delivering the coil pieces, from which the at least portions of the insulating film have been removed by the applying step, out of the laser separator.Type: GrantFiled: January 28, 2021Date of Patent: December 24, 2024Assignees: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Hideharu Ushida, Tetsuya Matsubara, Hiroyuki Ono, Toshiro Nakamura, Yasuhiro Makido, Akihiro Ueda, Ken Shirai, Ryosuke Maruyama
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Publication number: 20240079862Abstract: A method of manufacturing a rectangular conducting wire wherein insulating coating of rectangular conducting wire is removed by applying laser light the insulating coating, four planar portions on exterior of rectangular conducting wire are sequentially defined as a first, second, third, and fourth face portion, second corner portion is defined between second and third face portions, and fourth corner portion is defined between fourth and first face portions.Type: ApplicationFiled: December 25, 2020Publication date: March 7, 2024Applicant: AISIN CORPORATIONInventors: Hideharu USHIDA, Michiharu IKEDA, Takaya YAMAZAKI, Hiroyuki ONO
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Patent number: 11764654Abstract: A rotary electric machine member manufacturing method includes: a step of providing a motor core by stacking a plurality of electromagnetic steel sheets; and a step of welding the motor core by keyhole welding while pressurizing the motor core in a stacking direction with a welding pressure lower than that at which the thickness of the motor core in the stacking direction levels off. The thickness is a length of the motor core between a first end of the motor core and a second end of the motor core.Type: GrantFiled: March 9, 2018Date of Patent: September 19, 2023Assignee: AISIN CORPORATIONInventors: Hideharu Ushida, Tetsuya Matsubara, Takehiro Anai
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Publication number: 20230098415Abstract: A method for manufacturing a stator for a rotary electric machine including: a process of abutting, on each other, tip end parts of one coil piece and an other one coil piece for forming a stator coil of a rotary electric machine; and a welding process of irradiating a welding target location regarding the tip end part having been abutted with a laser beam having a wavelength of 0.6 ?m or less, in which in the welding process, the laser beam is generated for every pulse oscillation in a laser oscillator in a mode of having a laser output of 3.0 kW or more, and in at least a part of a period during one pulse oscillation, the laser beam is moved so that an irradiation position changes linearly parallel to an abutment surface of the tip end part.Type: ApplicationFiled: March 12, 2021Publication date: March 30, 2023Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Hideharu USHIDA, Hiroyuki ONO, Kei ENOHATA, Fei TANG, Masaya NAKAMURA, Masanari NISHIDA, Tetsuya SUGIMOTO
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Publication number: 20230092276Abstract: A method for manufacturing a stator for a rotary electric machine including: a first disposing process of disposing one workpiece for stator in a first station (ST1); a first welding process of completing welding of a first part of stator coil in the one workpiece in ST1; a second disposing process of disposing an other one workpiece for stator in a second station (ST2); and a second welding process of completing welding of a second part of stator coil in other one workpiece in ST2, wherein first welding process includes first irradiation process of irradiating first part with a laser beam for welding, second welding process includes second irradiation process of irradiating second part with a laser beam for welding, first and second irradiation processes have a time difference, and laser beam used in each of the first and second irradiation processes are generated based on the same oscillator.Type: ApplicationFiled: March 12, 2021Publication date: March 23, 2023Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Hideharu USHIDA, Hiroyuki ONO, Kei ENOHATA, Masaya NAKAMURA, Masanari NISHIDA, Fei TANG, Tetsuya SUGIMOTO
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Publication number: 20230088160Abstract: There is disclosed a method for manufacturing a stator for a rotary electric machine including: a process of abutting, on each other, tip end parts (40 of one coil piece (52) and an other one coil piece (52) for forming a stator coil (24) of a rotary electric machine (1); and a welding process of irradiating a welding target location regarding the tip end part having been abutted with a laser beam (110) having a wavelength of 0.6 µm or less, in which an output distribution at a focal point of the laser beam has a flat center part.Type: ApplicationFiled: March 12, 2021Publication date: March 23, 2023Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Hideharu USHIDA, Hiroyuki ONO, Kei ENOHATA, Masaya NAKAMURA, Masanari NISHIDA, Fei TANG, Tetsuya SUGIMOTO
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Publication number: 20230010824Abstract: This method of manufacturing a stator includes a step of removing insulating coatings on first surfaces of lead wire portions that are surfaces to be welded, and a step of welding together the first surfaces by a green laser with the insulating coatings on the first surfaces being removed and with insulating coatings on second surfaces opposite the first surfaces being unremoved.Type: ApplicationFiled: January 29, 2021Publication date: January 12, 2023Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Hiroyuki ONO, Kei ENOHATA, Hideharu USHIDA, Masaya NAKAMURA, Masanari NISHIDA, Fei TANG, Tetsuya SUGIMOTO
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Publication number: 20230006521Abstract: A conductor wire insulating film separating method disclosed includes: a preparing step involving preparing rectangular cross-section coil pieces each of which is a conductor wire coated with insulating film and used to provide a stator coil of rotary electric machine; a delivering-in step involving, after the preparing step, delivering coil pieces into a laser separator, with coil pieces aligned such that extremities thereof are adjacent to each other; an applying step involving, after the delivering-in step, continuously applying film removing laser to the extremities of the aligned coil pieces such that the laser is applied to one extremity and then to another extremity, thus removing at least portions of the insulating film from the extremities of the coil pieces; and a delivering-out step involving delivering the coil pieces, from which the at least portions of the insulating film have been removed by the applying step, out of the laser separator.Type: ApplicationFiled: January 28, 2021Publication date: January 5, 2023Applicants: AISIN CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHA, DENSO CORPORATIONInventors: Hideharu USHIDA, Tetsuya MATSUBARA, Hiroyuki ONO, Toshiro NAKAMURA, Yasuhiro MAKIDO, Akihiro UEDA, Ken SHIRAI, Ryosuke MARUYAMA
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Patent number: 11482898Abstract: The invention reduces tensile stress generated in the rotor core in a radial direction when a rotor core and a rotor support member are joined. A region in an axial direction (L) in which a melted joint portion (W2) for joining a rotor core (2) and a rotor support member (9) is formed is set as an axial joint region (JR). Among a plurality of corner portions (4c) of the permanent magnet (4), at least one corner portion (4c) that overlaps with the axial joint region (JR) when seen in a radial direction and that faces an outer peripheral surface (CP2) of the rotor core (2) is set as a specific corner portion (4s). Among facing surface portions (5p) of an inner wall portion of the magnet insertion hole (5) that face the corner portions (4c), the facing surface portion (5p) that faces the specific corner portion (4s) is set as a specific facing surface portion (5s).Type: GrantFiled: March 19, 2019Date of Patent: October 25, 2022Assignee: AISIN CORPORATIONInventors: Hideharu Ushida, Tetsuya Matsubara, Takeshi Yokoyama
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Patent number: 11342821Abstract: In a method for manufacturing a rotor, each of adhesive placement portions that are provided between a surface of a permanent magnet on the radially inner side and grooves is formed so as to cover a part of an adhesive applied to the permanent magnet on the radially inner side and parts of the adhesive on both sides in the circumferential direction.Type: GrantFiled: September 1, 2017Date of Patent: May 24, 2022Assignee: AISIN CORPORATIONInventors: Hideharu Ushida, Tetsuya Matsubara, Tetsuya Takahashi
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Patent number: 11336159Abstract: The manufacturing method of a rotor includes: a step of preparing a plate that is composed of an austenitic material and that has a projected portion and a part with a width in a rotational axis direction smaller than a width of the projected portion in the rotational axis direction; and a step of forming a welded portion across the projected portion of the plate and a rotation transmitting member by emitting an energy beam on at least a part of the projected portion to melt at least a part of the projected portion.Type: GrantFiled: January 11, 2019Date of Patent: May 17, 2022Assignee: AISIN CORPORATIONInventors: Susumu Kato, Hideharu Ushida, Shohei Ohashi
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Patent number: 11271459Abstract: A rotor manufacturing method that includes stacking a plurality of electromagnetic steel sheets; and welding the plurality of electromagnetic steel sheets by moving a welding head relative to the plurality of electromagnetic steel sheets that are stacked in a state in which the welding head is inclined at a predetermined angle with respect to a stacking surface of the electromagnetic steel sheets so that a molten portion passes through at least one of the electromagnetic steel sheets.Type: GrantFiled: March 28, 2017Date of Patent: March 8, 2022Assignee: AISIN CORPORATIONInventors: Hideharu Ushida, Yoshihito Nagai
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Patent number: 11050328Abstract: A manufacturing method of a rotor including: preparing a rotor core that is structured by stacking a plurality of electromagnetic steel plates in an axial direction and that has a magnet insertion hole which extends in the axial direction; inserting a permanent magnet in the magnet insertion hole; curing a resin provided between an inner surface of the magnet insertion hole and an outer surface of the permanent magnet while pressure is applied to the rotor core in the axial direction, after the permanent magnet is inserted in the magnet insertion hole; and welding the electromagnetic steel plates along the axial direction after curing the resin.Type: GrantFiled: February 28, 2017Date of Patent: June 29, 2021Assignee: AISIN AW CO., LTD.Inventors: Hideharu Ushida, Takehiro Anai
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Patent number: 11043863Abstract: A method of manufacturing a rotor includes: applying the adhesive to an adhesive placement position on an outer peripheral surface of the permanent magnet or an inner peripheral surface of the magnet hole, the adhesive containing an expansive agent that is expanded by being heated to a temperature that is equal to or higher than an expansion temperature; drying the adhesive after applying the adhesive; inserting the permanent magnet into the magnet hole of the rotor core after drying the adhesive; and fixing the permanent magnet and the rotor core to each other using the adhesive by expanding the expansive agent and curing the adhesive by heating the adhesive to a temperature that is equal to or higher than the expansion temperature after inserting the permanent magnet.Type: GrantFiled: March 31, 2017Date of Patent: June 22, 2021Assignee: AISIN AW CO., LTD.Inventors: Hideharu Ushida, Tetsuya Matsubara, Tetsuya Takahashi, Shinya Katayama
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Publication number: 20200373798Abstract: The invention reduces tensile stress generated in the rotor core in a radial direction when a rotor core and a rotor support member are joined. A region in an axial direction (L) in which a melted joint portion (W2) for joining a rotor core (2) and a rotor support member (9) is formed is set as an axial joint region (JR). Among a plurality of corner portions (4c) of the permanent magnet (4), at least one corner portion (4c) that overlaps with the axial joint region (JR) when seen in a radial direction and that faces an outer peripheral surface (CP2) of the rotor core (2) is set as a specific corner portion (4s). Among facing surface portions (5p) of an inner wall portion of the magnet insertion hole (5) that face the corner portions (4c), the facing surface portion (5p) that faces the specific corner portion (4s) is set as a specific facing surface portion (5s).Type: ApplicationFiled: March 19, 2019Publication date: November 26, 2020Applicant: AISIN AW CO., LTD.Inventors: Hideharu USHIDA, Tetsuya MATSUBARA, Takeshi YOKOYAMA
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Publication number: 20200295637Abstract: The manufacturing method of a rotor includes: a step of preparing a plate that is composed of an austenitic material and that has a projected portion and a part with a width in a rotational axis direction smaller than a width of the projected portion in the rotational axis direction; and a step of forming a welded portion across the projected portion of the plate and a rotation transmitting member by emitting an energy beam on at least a part of the projected portion to melt at least a part of the projected portion.Type: ApplicationFiled: January 11, 2019Publication date: September 17, 2020Applicant: AISIN AW CO., LTD.Inventors: Susumu KATO, Hideharu USHIDA, Shohei OHASHI
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Publication number: 20190372440Abstract: A rotary electric machine member manufacturing method includes: a step of providing a motor core by stacking a plurality of electromagnetic steel sheets; and a step of welding the motor core by keyhole welding while pressurizing the motor core in a stacking direction with a welding pressure lower than that at which the thickness of the motor core in the stacking direction levels off. The thickness is a length of the motor core between a first end of the motor core and a second end of the motor core.Type: ApplicationFiled: March 9, 2018Publication date: December 5, 2019Applicant: AISIN AW CO., LTD.Inventors: Hideharu USHIDA, Tetsuya MATSUBARA, Takehiro ANAI
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Publication number: 20190252958Abstract: In a method for manufacturing a rotor, each of adhesive placement portions that are provided between a surface of a permanent magnet on the radially inner side and grooves is formed so as to cover a part of an adhesive applied to the permanent magnet on the radially inner side and parts of the adhesive on both sides in the circumferential direction.Type: ApplicationFiled: September 1, 2017Publication date: August 15, 2019Applicant: AISIN AW CO., LTD.Inventors: Hideharu USHIDA, Tetsuya MATSUBARA, Tetsuya TAKAHASHI
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Publication number: 20190245396Abstract: A method for manufacturing a rotor core for a rotary electric machine, the method includes: stacking a plurality of electromagnetic steel plates having holes so that the holes are continuous with each other to form a through hole; and welding an inner surface of the through hole along a stacking direction while the through hole is filled with inert gas.Type: ApplicationFiled: December 25, 2017Publication date: August 8, 2019Applicant: AISIN AW CO., LTD.Inventors: Masayuki IKEMOTO, Hideharu USHIDA, Takehiro ANAI