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公开(公告)号：US10461589B2
公开(公告)日：2019-10-29
申请号：US15426351
申请日：2017-02-07
摘要： A magnetic-plate laminated body includes: a laminated part made up of a plurality of laminated soft magnetic ribbons; first and second metal plates that sandwich the laminated part from upper and lower surfaces in a lamination direction of the laminated part; and a fastening mechanism that penetrates the first and second metal plates and the laminated part and fastening the laminated part by the first and second metal plates.
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公开(公告)号：US11225049B2
公开(公告)日：2022-01-18
申请号：US16325373
申请日：2018-02-08
发明人： Yukio Nishikawa , Hideaki Hamada , Yohei Hattori
IPC分类号： B32B15/01 , H02K1/18 , H02K1/17 , H02K1/02 , H01F41/02 , B21D28/02 , B21D28/26 , B21D35/00 , H02K15/02 , B21D28/04 , B21D28/06 , B32B15/20 , B32B15/04 , B32B15/18
摘要： A laminated member as a laminate of a plurality of alloy ribbons is used. The laminated member has a side surface with a fracture surface. A laminated body as a laminate of the laminated member is used. A motor that includes a core using the laminated body is used. A method for manufacturing a laminated member is used that includes: fixing a plurality of amorphous ribbons to one another in a part of layers of the amorphous ribbons after laminating the amorphous ribbons; and punching a laminated member by cutting the laminate of the amorphous ribbons at a location that excludes the portion fixing the amorphous ribbons in the laminate.
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3.发明授权公开(公告)号：US10862354B2
公开(公告)日：2020-12-08
申请号：US16268455
申请日：2019-02-05
发明人： Yukio Nishikawa , Hideaki Hamada , Naoki Nojiri
IPC分类号： H02K1/06 , H02K1/02 , C21D8/12 , C21D9/00 , C21D8/02 , H01F41/02 , H02K1/14 , H02K1/18 , H02K15/02 , C21D8/04
摘要： A method for manufacturing a thin strip component, including a processing step of processing an amorphous thin strip member into a dimension shape larger than a target shape, and a heat treating step of heat treating and contracting the amorphous thin strip member processed in the processing step to form the amorphous thin strip member into a thin strip component of the target shape. A thin strip component which is a magnetic laminate in which a plurality of plate-shaped thin strip component members of the same shape are laminated, and has a recess over an entire side surface of the magnetic laminate is used. A motor including the thin strip component, a plurality of coils disposed on the thin strip component, and a rotor disposed between the plurality of coils is used.
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公开(公告)号：US20180159389A1
公开(公告)日：2018-06-07
申请号：US15833825
申请日：2017-12-06
发明人： Yukio Nishikawa , Taihei Okada , Tohru Kojima
摘要： To provide an iron core and a motor for preventing reduction in motor drive efficiency. An iron core includes laminate section made up of a lamination of plural soft magnetic ribbons, fixed to metal substrate, and provided with winding, and fastening part that pressurizes laminate section in a lamination direction of soft magnetic ribbons. Also, the fastening part is disposed around an opening of through-hole that penetrates laminate section. Furthermore, a metal plate shaped so as not to cover winding section is provided between laminate section and fastening part. Besides, the motor includes a rotor and the iron core.
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公开(公告)号：US11025103B2
公开(公告)日：2021-06-01
申请号：US16268439
申请日：2019-02-05
发明人： Yukio Nishikawa , Naoki Nojiri
摘要： An iron core including a laminate in which a plurality of nanocrystal thin strips are laminated, a board, and a fastener that fastens the laminate and the board, in which at least one of upper and lower surfaces of the laminate has a colored oxide film and an uncolored oxide film is used. Moreover, the iron core has a region of the colored oxide film wider than a region of the uncolored oxide film region is used. Furthermore, a motor uses the above-described iron core as a stator.
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公开(公告)号：US11232901B2
公开(公告)日：2022-01-25
申请号：US15738710
申请日：2016-07-01
IPC分类号： H01F41/02 , C21D6/00 , C21D9/52 , C21D1/26 , H01F27/25 , H01F3/04 , H01F1/153 , C22C45/02 , H01F1/147 , H01F27/245
摘要： A method for producing a magnetic core includes a processing step of giving a desired shape to a strip made of an alloy composition, a heat-treating step of forming bcc-Fe crystals, and then a stacking step of obtaining a magnetic core having a shape. Here, the alloy composition is Fe—B—Si—P—Cu—C and has an amorphous phase as a primary phase. In the heat-treating step, the strip is heated up to a temperature higher than a crystallization temperature of the alloy composition at a high heating rate.
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公开(公告)号：US10797541B2
公开(公告)日：2020-10-06
申请号：US16240015
申请日：2019-01-04
发明人： Yukio Nishikawa , Mituhiro Ikeda , Naoki Nojiri
摘要： Provided is a magnetic plate laminate comprising a laminate formed by stacking a plurality of thin strips, and fastening members provided in apertures in the laminate. Also provided is a method for manufacturing a magnetic laminate wherein the thin strips are amorphous thin strips and the magnetic body laminate is subjected to heat treatment, thereby forming nano-crystalline grains in the thin strips. Also provided is a motor equipped with a stator formed by stacking a plurality of the magnetic plate laminates, a securing plate for securing the stator, and a rotor arranged in an opening in the middle of the stator.
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公开(公告)号：US10566857B2
公开(公告)日：2020-02-18
申请号：US15833825
申请日：2017-12-06
发明人： Yukio Nishikawa , Taihei Okada , Tohru Kojima
摘要： To provide an iron core and a motor for preventing reduction in motor drive efficiency. An iron core includes laminate section made up of a lamination of plural soft magnetic ribbons, fixed to metal substrate, and provided with winding, and fastening part that pressurizes laminate section in a lamination direction of soft magnetic ribbons. Also, the fastening part is disposed around an opening of through-hole that penetrates laminate section. Furthermore, a metal plate shaped so as not to cover winding section is provided between laminate section and fastening part. Besides, the motor includes a rotor and the iron core.
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