公开(公告)号：US12081084B2

公开(公告)日：2024-09-03

申请号：US17430975

申请日：2020-03-26

申请人： AISIN CORPORATION

发明人： Tomoko Hiramatsu ,  Akinori Hoshino

IPC分类号： H02K15/03 ,  H01F41/00 ,  H01F41/02 ,  H02K1/278

CPC分类号： H02K15/03 ,  H01F41/005 ,  H01F41/0206 ,  H01F41/0233 ,  H02K1/278

摘要： A manufacturing method for a motor core in which a magnet is fixed in a magnet accommodating portion using synthetic resin material includes: a fixing step of fixing the a permanent magnet in the a magnet accommodating portion using a synthetic resin material, wherein the fixing step includes: an injection step of setting a temperature of the synthetic resin material to a first temperature and injecting, with an injection device having a container capable of maintaining the synthetic resin material in the softened state, the softened synthetic resin material into the magnet accommodating portion; and a curing step of raising the temperature of the synthetic resin material injected into the stacked body to a second temperature to cure the synthetic resin material, with the injection device being moved away from the stacked body.

公开(公告)号：US20240290537A1

公开(公告)日：2024-08-29

申请号：US18569201

申请日：2022-10-14

申请人： HENGDIAN GROUP DMEGC MAGNETICS CO., LTD

发明人： Yangdong YU ,  Leijie WANG ,  Quan ZHU ,  Jianyu CHEN ,  Kang YI

IPC分类号： H01F41/02 ,  H01F41/00 ,  H01F41/063

CPC分类号： H01F41/0246 ,  H01F41/005 ,  H01F41/063

摘要： Provided in the present application are a power inductor and a preparation method therefor. The preparation method comprises the process steps of slurry preparation, slurry casting, coil winding, coil arrangement, slurry pouring, warm-water pressing, curing treatment, UV adhesive film lamination, cutting, etc. A small-size power inductor can be simply and efficiently prepared, the preparation method is particularly suitable for ultrathin inductors, the phenomena of a short circuit, an open circuit, etc., appearing due to the damage to copper wires that is caused by using dry-pressing integral forming technology are avoided, and the problem of a single box body being easily damaged during casting is solved, thereby facilitating industrial applications.

公开(公告)号：US12020862B2

公开(公告)日：2024-06-25

申请号：US18168627

申请日：2023-02-14

申请人： Murata Manufacturing Co., Ltd.

发明人： Shinichiro Banba ,  Akihiro Muranaka

IPC分类号： H01F41/00 ,  H01F5/06 ,  H01F27/32 ,  H01F41/04

CPC分类号： H01F41/041 ,  H01F5/06 ,  H01F27/32

摘要： A coil element assembly includes a plurality of coil elements each including a pair of leg portions and a bridge portion connecting first end portions of the pair of leg portions together, the coil elements being disposed to cross a predetermined winding axis, and a block comprising a resin and fixing the plurality of coil elements arranged along the winding axis. A coil module includes a coil conductor including a plurality of coil elements and a plurality of wire electrodes disposed on a circuit board, each of the plurality of coil elements including a pair of leg portions and a bridge portion connecting one end portions of the pair of leg portions together, the plurality of coil elements being disposed to cross a winding axis.

公开(公告)号：US11972897B2

公开(公告)日：2024-04-30

申请号：US17318132

申请日：2021-05-12

申请人： Infineon Technologies Austria AG

发明人： Luca Peluso ,  Matthias J. Kasper ,  Kennith K. Leong ,  Gerald Deboy

IPC分类号： H01F41/00 ,  H01F41/02 ,  H01F41/06

CPC分类号： H01F41/0206 ,  H01F41/06

摘要： According to one configuration, a fabricator receives magnetic permeable material and fabricates an apparatus to include a multi-dimensional arrangement of electrically conductive paths to extend through the magnetic permeable material. Each of the electrically conductive paths is a respective inductive path.

公开(公告)号：US11961656B2

公开(公告)日：2024-04-16

申请号：US16991464

申请日：2020-08-12

申请人： Schweitzer Engineering Laboratories, Inc.

发明人： Timothy M. Minteer ,  Eric M. Sawyer ,  David Kenny

IPC分类号： H01F7/06 ,  H01F27/24 ,  H01F27/28 ,  H01F27/32 ,  H01F38/30 ,  H01F41/02 ,  H01F41/06 ,  H01F41/00

CPC分类号： H01F27/325 ,  H01F27/24 ,  H01F27/2823 ,  H01F38/30 ,  H01F41/02 ,  H01F41/0206 ,  H01F41/06 ,  H01F2038/305 ,  H01F41/00

摘要： A current transformer includes a pre-formed core forming a closed loop with a flexible axially wound secondary winding. A continuous length of wire is axially coiled around a flexible bobbin to form a secondary winding. The resulting secondary winding may be slid onto the closed loop of the pre-formed core. The flexibility of the axially wound secondary winding facilitates conformity to a non-linear shape of the pre-formed core.

公开(公告)号：US11916400B2

公开(公告)日：2024-02-27

申请号：US17966542

申请日：2022-10-14

申请人： NuCurrent, Inc.

发明人： Vinit Singh ,  Christine A. Frysz

IPC分类号： H01Q7/00 ,  H02J50/00 ,  H02J50/12 ,  A61N1/05 ,  A61N1/372 ,  A61N1/378 ,  H01F5/00 ,  H01F7/06 ,  H01F17/00 ,  H01F27/28 ,  H01F29/02 ,  H01F38/14 ,  H01F41/00 ,  H01F41/04 ,  H01Q1/38 ,  H01R43/00 ,  H02P13/00 ,  H03H7/01 ,  H04B5/00 ,  H05B6/06 ,  H05B6/12 ,  H05B6/36 ,  B33Y80/00 ,  A61N1/36 ,  A61N1/375 ,  H05K1/16

CPC分类号： H02J50/005 ,  A61N1/0553 ,  A61N1/3787 ,  A61N1/37229 ,  H01F5/00 ,  H01F5/003 ,  H01F7/06 ,  H01F17/00 ,  H01F17/0006 ,  H01F27/2804 ,  H01F29/02 ,  H01F38/14 ,  H01F41/00 ,  H01F41/04 ,  H01F41/041 ,  H01Q1/38 ,  H01Q7/00 ,  H01R43/00 ,  H02J50/12 ,  H02P13/00 ,  H03H7/01 ,  H04B5/0037 ,  H04B5/0062 ,  H04B5/0068 ,  H04B5/0075 ,  H05B6/06 ,  H05B6/1245 ,  H05B6/36 ,  H05B6/362 ,  A61N1/3605 ,  A61N1/3756 ,  B33Y80/00 ,  H01F17/0013 ,  H01F2027/2809 ,  H04B5/0031 ,  H05K1/165 ,  H05K2201/0352 ,  Y02B40/00 ,  Y10T29/4902 ,  Y10T29/49005 ,  Y10T29/4908 ,  Y10T29/49117 ,  Y10T29/49155 ,  Y10T29/49195

摘要： A structure for wireless communication having a plurality of conductor layers, an insulator layer separating each of the conductor layers, and at least one connector connecting two of the conductor layers wherein an electrical resistance is reduced when an electrical signal is induced in the resonator at a predetermined frequency. The structure is capable of transmitting or receiving electrical energy and/or data at various near and far field magnetic coupling frequencies.

公开(公告)号：US11881350B2

公开(公告)日：2024-01-23

申请号：US17165382

申请日：2021-02-02

申请人： Vacuumschmelze GmbH & Co. KG

发明人： Frederic Bäcker ,  Jens Diehl ,  Dominik Fackelmann

IPC分类号： H01F41/00 ,  H01F41/02 ,  H01F27/25 ,  H02K1/02 ,  H01F1/153 ,  H01F1/147 ,  H01F27/245

CPC分类号： H01F41/0233 ,  H01F1/14783 ,  H01F1/15316 ,  H01F27/245 ,  H01F27/25 ,  H01F41/0213 ,  H02K1/02

摘要： A laminated core comprising a plurality of lamination sheets made of a soft magnetic alloy is provided. The lamination sheets have a main surface and a thickness d. The main surfaces of the lamination sheets are stacked one on top of another in a direction of stacking. Adjacent lamination sheets are joined to one another by a plurality of substance-to-substance joints, the joints being filler-free and entirely surrounded by the main surfaces of the adjacent lamination sheets.

公开(公告)号：US11846020B2

公开(公告)日：2023-12-19

申请号：US17104475

申请日：2020-11-25

申请人： SEIKO EPSON CORPORATION

发明人： Momoko Wakabayashi

IPC分类号： C23C16/44 ,  H01F1/153 ,  C23C16/40 ,  C23C16/455 ,  H01F41/00

CPC分类号： C23C16/4417 ,  C23C16/402 ,  C23C16/45555 ,  H01F1/153 ,  H01F41/00

摘要： A particle coating method includes a heating step of heating soft magnetic metal particles containing an amorphous phase within a temperature range of 100° C. or higher and 500° C. or lower for 0.1 hours or more and 300 hours or less, and an insulating film formation step of forming an insulating film at surfaces of the soft magnetic metal particles by a chemical vapor deposition method. The soft magnetic metal particles preferably contain the amorphous phase at 50 vol % or more.

公开(公告)号：US11817248B2

公开(公告)日：2023-11-14

申请号：US16544505

申请日：2019-08-19

申请人： Murata Manufacturing Co., Ltd.

发明人： Hideyuki Isobe ,  Masaki Kitajima

IPC分类号： H01F27/29 ,  H01F27/02 ,  H01F41/00 ,  H01F17/04 ,  H01F27/28 ,  H01F27/36

CPC分类号： H01F27/022 ,  H01F17/04 ,  H01F27/2885 ,  H01F27/292 ,  H01F27/361 ,  H01F27/366 ,  H01F41/005 ,  H01F2017/048

摘要： A surface mount inductor includes a coil buried in a composite material including a magnetic powder; outer terminals connected to the coil; and a molded body having a metal surface that intersects a winding axis of the coil and including the composite material. A surface mount inductor manufacturing method includes arranging, inside a mold, a metal plate having a shape covering part of a surface of a molded body; arranging a coil and a composite material including a magnetic powder or a preliminary molded body composed of the composite material inside the mold in which the metal plate has been arranged; and forming a molded body in which the coil is buried and that has the metal plate arranged on part of a surface of the molded body by molding the metal plate, the composite material, and the coil inside the mold to be integrated with each other.

公开(公告)号：US20220392692A1

公开(公告)日：2022-12-08

申请号：US17830908

申请日：2022-06-02

申请人： Huawei Digital Power Technologies Co., Ltd.

发明人： Zhuyong HUANG ,  Xiaofei ZHANG ,  Xiaoqing HU ,  Zelong ZHANG ,  Peng SHUAI

IPC分类号： H01F27/28 ,  H01F27/24 ,  H01F41/06 ,  H01F41/00 ,  H01F27/36

摘要： This application provides a dry-type transformer and a winding method thereof. The dry-type transformer includes a magnetic core, a first coil, a second coil, and a shielding component. The first coil is disposed around the exterior of the magnetic core, and the second coil is disposed around the exterior of the first coil. In a direction from the iron core to the second coil, the shielding component includes a first conducting layer, a second conducting layer, a third conducting layer, and a fourth conducting layer that are sequentially disposed at intervals, the first coil is disposed between the magnetic core and the first conducting layer, and the second coil is disposed between the second conducting layer and the third conducting layer.