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1.发明公开公开(公告)号：US20240204634A1
公开(公告)日：2024-06-20
申请号：US18286534
申请日：2022-04-13
发明人： Kazutoshi TAKEDA , Shinsuke TAKATANI , Ryu HIRAYAMA , Minako FUKUCHI , Yoshiaki IWASE , Makoto NIWA , Makoto HIRAKAWA
CPC分类号： H02K15/12 , H02K15/02 , H02K2201/09 , H02K2215/00
摘要： This bonded and stacked core manufacturing method is a method for manufacturing a bonded and stacked core by performing press working on a strip-shaped steel sheet with a press working oil applied to one surface or both surfaces thereof, applying an anaerobic adhesive and an instantaneous adhesive to one surface of the strip-shaped steel sheet to obtain a plurality of steel sheet components, and stacking and bonding the steel sheet components, in which a curing accelerating layer is formed by applying an anaerobic adhesive curing accelerator and an instantaneous adhesive curing accelerator to one surface or both surfaces of the strip-shaped steel sheet before the press working oil is applied, and drying the adhesive curing accelerator and the instantaneous adhesive curing accelerator.
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公开(公告)号：US20220069640A1
公开(公告)日：2022-03-03
申请号：US17413121
申请日：2019-12-17
发明人： Yasuo OHSUGI , Ryu HIRAYAMA , Kazutoshi TAKEDA
IPC分类号： H02K1/12
摘要： A laminated core includes a plurality of electrical steel sheets stacked in a thickness direction, the electrical steel sheet includes an annular core back part and a plurality of tooth parts that protrude from the core back part in a radial direction and are disposed at intervals in a circumferential direction of the core back part, a fastening part is provided in a portion of the core back part corresponding to the tooth part, and an adhesion part is provided in the tooth part.
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公开(公告)号：US20220006336A1
公开(公告)日：2022-01-06
申请号：US17293102
申请日：2019-12-17
发明人： Kazutoshi TAKEDA , Ryu HIRAYAMA
IPC分类号： H02K1/18
摘要： The present adhesively-laminated core for a stator includes: a plurality of electrical steel sheets coaxially overlapping each other, and each of which having a core back part and a tooth part; and a plurality of adhesion parts which adheres between the electrical steel sheets, in which, between the respective electrical steel sheets, a partial adhesion strength provided by the adhesion parts and being an average adhesion strength per unit area in the tooth part, is lower than a partial adhesion strength provided by the adhesion parts and being an average adhesion strength per unit area in the core back part.
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公开(公告)号：US20220006334A1
公开(公告)日：2022-01-06
申请号：US17291344
申请日：2019-12-17
发明人： Takeaki WAKISAKA , Hiroshi FUJIMURA , Ryu HIRAYAMA
摘要： A laminated core includes a plurality of electrical steel sheets that are stacked on one another. All sets of the electrical steel sheets adjacent to each other in a stacking direction are fixed to each other in the laminated core. Some sets of electrical steel sheets among all sets of the electrical steel sheets are fastened but not adhered to each other, and the remaining sets of electrical steel sheets are adhered but not fastened to each other.
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公开(公告)号：US20210399594A1
公开(公告)日：2021-12-23
申请号：US17292762
申请日：2019-12-17
发明人： Hiroshi FUJIMURA , Takeaki WAKISAKA , Ryu HIRAYAMA
摘要： A laminated core includes a plurality of electrical steel sheets stacked on each other, wherein, among the plurality of electrical steel sheets, both of the electrical steel sheets located on a first side in a stacking direction and the electrical steel sheets located on a second side in the stacking direction are fastened to each other but are not adhered to each other, and the electrical steel sheets located in a center in the stacking direction are adhered to each other but are not fastened to each other.
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公开(公告)号：US20220384085A1
公开(公告)日：2022-12-01
申请号：US17774771
申请日：2020-11-13
发明人： Ryu HIRAYAMA , Tesshu MURAKAWA , Miho TOMITA
IPC分类号： H01F27/245 , H01F1/147 , H01F41/02
摘要： A laminated core (100) has a plurality of legs having an extension direction in a direction perpendicular to a lamination direction of electrical steel sheets and a plurality of yokes having an extension direction in a direction orthogonal to the lamination direction of the electrical steel sheets and the extension direction of the legs, and, in the same position of the electrical steel sheet in the lamination direction, at least a partial region of the legs and at least a partial region of the yokes are configured by the same electrical steel sheet. The electrical steel sheet is disposed such that a first direction of directions of easy magnetization of the electrical steel sheet is along the extension direction of the legs and a second direction of the directions of easy magnetization of the electrical steel sheet is along the extension direction of the yokes.
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公开(公告)号：US20220351890A1
公开(公告)日：2022-11-03
申请号：US17639898
申请日：2020-09-03
IPC分类号： H01F27/08 , H01F27/245 , H01F3/02
摘要： A wound core equipped with a laminated body including plural electrical steel sheets stacked in a ring shape in side view. The laminated body includes plural bent portions, and plural block-shaped portions at positions between adjacent bent portions. At least one block-shaped portion among the plural block-shaped portions includes a heat transmission path bordered by the electrical steel sheets at least at a portion between the stacked electrical steel sheets. The heat transmission path is included only at the at least one block-shaped portion.
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公开(公告)号：US20220094218A1
公开(公告)日：2022-03-24
申请号：US17299886
申请日：2019-12-17
发明人： Yasuo OHSUGI , Ryu HIRAYAMA , Kazutoshi TAKEDA
IPC分类号： H02K1/18 , C09J133/08
摘要： A laminated core includes a plurality of electrical steel sheets stacked in a thickness direction, each of the electrical steel sheets includes an annular core back part; a plurality of fastening parts are provided in the core back part at intervals in a circumferential direction; an adhesion region is formed on an outer circumferential side from the fastening parts in the core back part; and a non-adhesion region is formed on an inner circumferential side from the fastening parts in the core back part.
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公开(公告)号：US20220028608A1
公开(公告)日：2022-01-27
申请号：US17312103
申请日：2019-12-17
IPC分类号： H01F41/02 , H02K1/27 , H02K1/18 , H01F27/245
摘要： A laminated core includes: a plurality of electrical steel sheets stacked in a thickness direction, wherein the electrical steel sheet includes an annular core back part and a plurality of tooth parts protruding from the core back part toward a radial direction and arranged at intervals in a circumferential direction of the core back part, and wherein among the plurality of electrical steel sheets, the tooth parts of the electrical steel sheets located at one side on the outside in a stacking direction are adhered to each other by an adhesion part provided between the tooth parts adjacent to each other in the stacking direction, the tooth parts of the electrical steel sheets located at the other side on the outside in the stacking direction are adhered to each other by an adhesion part provided between the tooth parts adjacent to each other in the stacking direction, and the tooth parts of the electrical steel sheets located at a center part in the stacking direction are not adhered to each other.
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公开(公告)号：US20220014051A1
公开(公告)日：2022-01-13
申请号：US17294202
申请日：2019-12-17
发明人： Ryu HIRAYAMA , Kazutoshi TAKEDA
IPC分类号： H02K1/16 , H02K1/14 , H02K15/02 , H01F27/245
摘要： A laminated core including a plurality of electrical steel sheets stacked on each other, and adhesion parts which are provided between the electrical steel sheets adjacent to each other in an axial direction thereof and adhering the electrical steel sheets to each other, in which each of the electrical steel sheets includes an annular core back part, and a plurality of tooth parts which extend from the core back part in a radial direction of the core back part and are disposed at intervals in a circumferential direction of the core back part, and each of the tooth parts of the electrical steel sheets has an adhesion region provided with the adhesion part having a belt shape extending in the circumferential direction.
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