公开(公告)号：US20240312680A1

公开(公告)日：2024-09-19

申请号：US18556663

申请日：2022-04-11

Applicant: Panasonic Intellectual Property Management Co., Ltd.

Inventor： SHINICHIRO ITO ,  MASAKI TANAKA ,  AKIHIKO WATANABE ,  KOICHI KUSUKAME ,  KEIICHIRO NUKADA ,  YU NISHITANI ,  YUKIHIRO KANEKO

IPC: H01F1/03 ,  G01P3/481 ,  H01F1/113 ,  H01F3/06 ,  H01F3/10 ,  H01F41/18

CPC classification number: H01F1/0304 ,  G01P3/4815 ,  H01F1/113 ,  H01F3/06 ,  H01F41/18 ,  H01F2003/106

Abstract: Provided are a power generation element, an encoder, and a method of manufacturing a magnetic member capable of increasing generated power. Power generation element includes magnetic member that produces a large Barkhausen effect, coil wound around magnetic member, and ferrite member provided at an end of magnetic member to be aligned with coil along a winding axis direction of coil. Ferrite member includes main body located inside columnar space and protrusion connected to main body and located outside columnar space. Columnar space is surrounded by a virtual plane when it is assumed that an outer edge of coil when viewed from the winding axis direction of coil is extended to both sides of the coil in the winding axis direction of coil, and is sandwiched between two virtual planes that are in contact with both ends of magnetic member in the winding axis direction of coil and are orthogonal to the winding axis direction.

公开(公告)号：US20230207181A1

公开(公告)日：2023-06-29

申请号：US17928289

申请日：2021-05-26

Applicant: Hitachi Energy Switzerland AG

Inventor： Marcel Ciesielski ,  Pawel Klys ,  Lukasz Michalski ,  Grzegorz Kmita

IPC: H01F27/26 ,  H01F41/02 ,  H01F3/10 ,  H01F3/02

CPC classification number: H01F27/263 ,  H01F3/02 ,  H01F3/10 ,  H01F41/0233 ,  H01F2003/106

Abstract: A hybrid transformer core flGf includes comprises columns (21 23) of grain-oriented steel and yokes . A yoke includes a plurality of second plies including sheets of amorphous steel adhered to each other by an adhesive coating on an outer peripheral area of major faces of the sheets of amorphous steel.

公开(公告)号：US20190172629A1

公开(公告)日：2019-06-06

申请号：US16259721

申请日：2019-01-28

Applicant: Delta Electronics (Shanghai) Co., Ltd.

Inventor： Jinping Zhou ,  Zhangnan Xin ,  Pengkai Ji ,  Yi-Min Hsieh

IPC: H01F27/28 ,  H01F27/29 ,  H01F27/255 ,  H01F41/04 ,  H01F41/02

CPC classification number: H01F27/2823 ,  H01F3/14 ,  H01F27/255 ,  H01F27/2847 ,  H01F27/29 ,  H01F27/292 ,  H01F41/0246 ,  H01F41/04 ,  H01F2003/106 ,  H02M3/04 ,  H02M2003/1586

Abstract: A magnetic component and a manufacturing method thereof are provided. The magnetic component includes a magnetic core, a first winding set and a second winding set. The magnetic core is made of a magnetic powder material and includes two connecting portions connected through three magnetic columns to form a first side and a second side opposite to each other. The first winding set and the second winding set are made by a flat conductive body, and spaced apart on the middle magnetic column at a distance. The first winding set includes two first conducting portions connected through a first horizontal portion. The second winding set includes two second conducting portions connected through a second horizontal portion. The first horizontal portion and the second horizontal portion are exposed to the first side, and the two first conducting portions and the two second conducting portions are extended to the second side.

公开(公告)号：US20180323002A1

公开(公告)日：2018-11-08

申请号：US15771576

申请日：2016-11-10

Applicant: EPCOS AG

Inventor： Dirk Beckmann ,  Anneliese Drespling ,  Felipe Jerez

IPC: H01F27/29 ,  H01F17/04 ,  H01F27/28

CPC classification number: H01F27/292 ,  H01F17/045 ,  H01F27/2823 ,  H01F2003/106

Abstract: An SMD inductor as a component and a method for producing an SMD inductor. The inductor simultaneously has low losses and a high peak current-carrying capacity and also a high mechanical stability. To that end, it includes an inner core piece, an outer core piece and a coil having a wire. The inner core piece includes an alloy. The outer core piece includes ferrite. The wire is wound around the inner core piece, and the inner core piece with the wire is arranged in the outer core piece.

公开(公告)号：US20180254142A1

公开(公告)日：2018-09-06

申请号：US15800957

申请日：2017-11-01

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： In Wha JEONG ,  Ki Hong KIM ,  Young Woon CHOI ,  Young Seung ROH

IPC: H01F27/42 ,  H02J50/12 ,  H01F27/28 ,  H02M7/537 ,  H02J7/02

CPC classification number: H01F27/42 ,  H01F3/10 ,  H01F5/003 ,  H01F27/28 ,  H01F27/2804 ,  H01F38/14 ,  H01F2003/106 ,  H02J7/025 ,  H02J50/10 ,  H02J50/12 ,  H02J50/40 ,  H02M7/537 ,  H02M2007/4818 ,  Y02B70/1441

Abstract: A coil module includes a magnetic substance plate, a first coil, and a second coil. The magnetic substance plate includes a first area having a first magnetic permeability and a second area having a second magnetic permeability. The first coil is disposed on a surface of the magnetic substance plate. The second coil is disposed on the surface of the magnetic substance plate and partially overlapping the first coil. A portion of the first coil, not overlapping the second coil, is disposed on a surface of the first area, and a portion of the second coil, not overlapping the first coil, is disposed on a surface of the second area.

公开(公告)号：US20180204669A1

公开(公告)日：2018-07-19

申请号：US15861731

申请日：2018-01-04

Applicant: Hitachi, Ltd.

Inventor： Chie KOBAYASHI ,  Naoyuki KURITA ,  Akira YAMAGISHI

IPC: H01F27/34 ,  H01F27/25 ,  H01F27/245 ,  H01F3/04 ,  H01F3/14 ,  H01F3/02 ,  H01F27/26

CPC classification number: H01F27/34 ,  H01F3/02 ,  H01F3/04 ,  H01F3/10 ,  H01F3/14 ,  H01F27/245 ,  H01F27/2455 ,  H01F27/25 ,  H01F27/263 ,  H01F41/0226 ,  H01F41/0233 ,  H01F2003/106

Abstract: An object of the present invention is to improve a mechanical strength and to ensure a low magnetic loss without using a supporting member even when amorphous ribbons are used for an inner core. To attain the object, a stationary induction apparatus core of the present invention includes an inner core formed from the amorphous ribbons and outer cores formed from silicon steel sheets, the outer cores being disposed on two sides of the inner core in a depth direction as opposed to a standing direction of the inner core in such a manner as to sandwich the inner core therebetween.

公开(公告)号：US20180033533A1

公开(公告)日：2018-02-01

申请号：US15581123

申请日：2017-04-28

Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.

Inventor： Han Wool RYU ,  Jung Hyuk JUNG ,  Hyo Chan OH ,  Yoon Hee KIM ,  Woon Chul CHOI ,  Jin Ho KU ,  Il Jin PARK

IPC: H01F27/24 ,  H01F27/28 ,  H01F27/29 ,  H01F1/14 ,  H01F27/32

CPC classification number: H01F17/0013 ,  H01F3/10 ,  H01F2003/106 ,  H01F2017/0066

Abstract: An inductor includes a body having a first magnetic portion above and below a coil, and a second magnetic portion above and below the first magnetic portion. The magnetic flux density of the magnetic substance in the first magnetic portion is higher than that of the magnetic substance in the second magnetic portion.

公开(公告)号：US20180001523A1

公开(公告)日：2018-01-04

申请号：US15706696

申请日：2017-09-16

Applicant: Magsonder Innovation(Shanghai) Co.,Ltd.

Inventor： Zhi HUANG

IPC: B29C45/00 ,  H02J50/10

CPC classification number: B29C45/00 ,  H01F3/10 ,  H01F5/00 ,  H01F17/04 ,  H01F27/29 ,  H01F27/292 ,  H01F2003/106 ,  H01F2017/048 ,  H02J50/10

Abstract: The present invention discloses a power inductor encapsulated through injection molding. The power inductor comprises a coil winding, a soft magnetic ferrite middle column inserted in a middle of the coil winding, and a magnetic powder glue for encapsulating the coil winding and the soft magnetic ferrite middle column through injection molding. The power inductor is square and meets L≧W and 2rc>0.4×2W, wherein a section width of the soft magnetic ferrite middle column perpendicular to a height direction of the inductor is 2rc, a length of the power inductor is 2L, and a width of the power inductor is 2W. According to the present invention, a balanced direct-current resistance and a direct-current superposition saturation characteristic can be obtained, and the direct-current resistance is greatly decreased while an excellent direct-current superposition saturation characteristic is ensured.

公开(公告)号：US09812237B2

公开(公告)日：2017-11-07

申请号：US14394841

申请日：2013-04-12

Applicant: Vacuumschmelze GmbH & Co. KG

Inventor： Jivan Kapoor ,  Christian Polak

IPC: H01F27/28 ,  H01F3/00 ,  H01F3/10 ,  H01F17/06 ,  H01F41/02 ,  H01F3/04 ,  H01F3/08 ,  H01F1/153

CPC classification number: H01F3/00 ,  H01F1/15333 ,  H01F3/04 ,  H01F3/08 ,  H01F3/10 ,  H01F17/06 ,  H01F27/28 ,  H01F41/0213 ,  H01F41/0246 ,  H01F2003/106

Abstract: Soft magnetic core, in which permeabilities that occur at least two different locations of the core are different.

公开(公告)号：US20170278606A1

公开(公告)日：2017-09-28

申请号：US15311882

申请日：2015-06-30

Applicant: DENSO CORPORATION

Inventor： Naoya KONDOU ,  Akira SAKAMOTO ,  Kazuhiro UMETANI

IPC: H01F1/12 ,  H01F5/00 ,  H01F5/04 ,  H01F3/14 ,  H01F5/06

CPC classification number: H01F1/12 ,  H01F3/10 ,  H01F3/14 ,  H01F5/003 ,  H01F5/04 ,  H01F5/06 ,  H01F27/325 ,  H01F27/346 ,  H01F27/365 ,  H01F2003/106 ,  H01F2027/348

Abstract: A magnetic circuit component includes a magnetic core and a coil formed by winding a conductor around the magnetic core. The magnetic circuit component includes a magnetic material section that is formed from a soft magnetic material, and that covers a part of a surface of the coil or the entire surface of the coil and is disposed away from the magnetic core.