公开(公告)号：US20240322658A1

公开(公告)日：2024-09-26

申请号：US18603618

申请日：2024-03-13

Applicant: MITSUI HIGH-TEC, INC.

Inventor： Yasunari MITSUI ,  Yusuke HASUO ,  Shinichiro ONO

IPC: H02K15/02 ,  H02K1/06

CPC classification number: H02K15/02 ,  H02K1/06 ,  H02K2215/00

Abstract: A manufacturing method for a laminated iron core, the manufacturing method includes: a punching process of punching a metal sheet to form a plurality of punched members including a first punched member and a second punched member; and a laminating process of forming a laminated body by laminating the plurality of punched members while changing a rotational lamination angle each time one or more punched members are laminated. In the laminating process, the plurality of punched members are laminated such that the rotational lamination angle is the same between the first punched member and the second punched member adjacent to each other in a boundary portion between two or more of the first punched members that are continuously laminated and two or more of the second punched members that are continuously laminated.

公开(公告)号：US20190109522A1

公开(公告)日：2019-04-11

申请号：US16096739

申请日：2017-04-28

Applicant: MITSUI HIGH-TEC, INC.

Inventor： Yusuke HASUO

IPC: H02K15/02 ,  H02K1/14 ,  H02K1/24

Abstract: In a laminated iron core formed by laminating a plurality of iron core pieces, at least one of an inner circumferential portion or an outer circumferential portion of the iron core piece is provided with a connection recess part which is connected with a connection part of a caulking piece detachable in a radial direction from the connection recess part, an outer circumferential edge of the connection part has the same shape as an inner circumferential edge of the connection recess part, and a bottom portion of the connection recess part is not configured by a single straight line.

公开(公告)号：US20220115935A1

公开(公告)日：2022-04-14

申请号：US17558644

申请日：2021-12-22

Applicant: Mitsui High-tec, Inc.

Inventor： Iwao MYOJIN ,  Yusuke HASUO ,  Yusuke ETO ,  Hayato NAKAYAMA

IPC: H02K15/10 ,  H02K1/04 ,  H02K3/52 ,  H02K15/00 ,  H02K15/02

Abstract: A stator core comprises a stack and a resin portion. The stack comprises an annular yoke portion, a plurality of tooth portions, and a plurality of slots. The resin portion covers an inner wall surface of a slot of the plurality of slots. The resin portion protrudes outward relative to an end surface of the stack in a height direction of the stack. The resin portion is formed on at least a part of an end surface of the tooth portion so as to extend from the inner wall surface of the slot around the end surface of the tooth portion. A resin end portion of the resin portion is disposed on the end surface of the stack and a corner of the resin end portion is formed as an inclined surface including a planar surface or curved surface.

公开(公告)号：US20180358871A1

公开(公告)日：2018-12-13

申请号：US15525662

申请日：2015-11-10

Applicant: MITSUI HIGH-TEC, INC.

Inventor： Yusuke HASUO ,  Masahiro IZUMI

IPC: H02K15/02 ,  H02K1/06

CPC classification number: H02K15/02 ,  H02K1/06 ,  H02K1/146 ,  H02K15/022 ,  H02K15/12

Abstract: A laminated iron core is made of a stator iron core formed by laminating a plurality of iron core pieces with a predetermined shape, and a caulking block detachable along a radial direction is formed in each of the iron core pieces. In a method for manufacturing the laminated iron core, the caulking block detachable along the radial direction is provided in each of the iron core pieces, and the iron core pieces are laminated and joined through the caulking blocks and are arranged on a jig and then, the caulking blocks are pulled in the radial direction and are detached from the laminated iron core pieces, and the laminated iron core pieces are joined by a resin.

公开(公告)号：US20200014256A1

公开(公告)日：2020-01-09

申请号：US16483234

申请日：2018-01-29

Applicant: MITSUI HIGH-TEC, INC.

Inventor： Hirokazu ARAKAWA ,  Yusuke HASUO

IPC: H02K1/18 ,  H02K15/02

Abstract: An annular core piece in which an annular core piece can be received inside a contour of an outer circumstance of the annular core piece and the number of recesses formed on the outer circumstance is small is provided. In an annular core piece including a plurality of recesses opened in an outer circumferential part, the recess includes a narrowed part and a raised part, and a transverse width of the narrowed part is made narrower than a transverse width of a different region present on a side of a bottom of the recess further beyond the narrowed part, and the raised part is formed such that a part of the bottom of the recess is raised and projected toward an opening end of the recess.

公开(公告)号：US20170047829A1

公开(公告)日：2017-02-16

申请号：US15235473

申请日：2016-08-12

Applicant: Mitsui High-tec, Inc.

Inventor： Yusuke HASUO

IPC: H02K15/02 ,  H02K1/06 ,  B23K9/00

Abstract: A method for manufacturing a laminated core includes a laminating process of obtaining a laminate in which a plurality of core pieces are laminated, and a welding process of forming a weld bead which extends in a thickness direction of the laminate on a side surface of the laminate. In the welding process, a heat input when a center portion in a longitudinal direction of the weld bead is formed is greater than a heat input when an end portion of the weld bead is formed.

Abstract translation: 层叠铁芯的制造方法包括层压工序，其中获得层叠有多个芯片的层叠体，以及形成在叠层体的厚度方向上延伸的层叠体的层叠体的焊接工序 。 在焊接过程中，当形成焊缝的纵向方向上的中心部分时的热输入大于当形成焊道的端部时的热输入。

公开(公告)号：US20240113603A1

公开(公告)日：2024-04-04

申请号：US18274873

申请日：2021-02-15

Applicant: MITSUI HIGH-TEC, INC.

Inventor： Yusuke HASUO

IPC: H02K15/02 ,  H02K1/16

CPC classification number: H02K15/024 ,  H02K1/16

Abstract: A laminated iron core manufacturing apparatus for laminating a plurality of punched members obtained by punching a plate-shaped member, including: a convey unit conveys the plate-shaped member; a lifter supports the plate-shaped member; a liquid material supply unit adheres a liquid material to regions to be the punched members of one main surface of the plate-shaped member; and a punching unit to punches the plate-shaped member after the liquid material is applied to form the punched members. The liquid material supply unit adheres the liquid material to the plate-shaped member while avoiding, in the regions to be the punched members in the plate-shaped member, a contact region where the lifter on a downstream side of an adhesion location of the liquid material in the liquid material supply unit and on an upstream side of the punching unit comes into contact with the plate-shaped member.

公开(公告)号：US20160336840A1

公开(公告)日：2016-11-17

申请号：US15151853

申请日：2016-05-11

Applicant: Mitsui High-tec, Inc.

Inventor： Yusuke HASUO ,  Masahiro IZUMI

IPC: H02K15/03 ,  B21D35/00

CPC classification number: H02K15/03 ,  B21D35/001 ,  H02K1/148 ,  H02K15/022 ,  H02K15/024

Abstract: This disclosure relates to a method for manufacturing a workpiece for a segmented laminated core. This method includes (A) feeding a plate for processing drawn from a roll thereof to a progressive die and (B) stamping out a workpiece in the progressive die, the workpiece including a plurality of pieces aligned in the circumferential direction with a circumferential part. At the step (B), an overall portion configured to be each piece of the workpiece is displaced in the thickness direction of the plate for processing, with portions on both sides of the piece being fixed, to form at least one cutting line across a region configured to be the circumferential part.

Abstract translation: 本公开涉及一种用于制造用于分段层压芯的工件的方法。 该方法包括：（A）将从辊的加工板进给到渐进式模具，（B）冲压出行进模具中的工件，工件包括沿圆周方向排列的多个圆周部分。 在步骤（B）中，构成为每一件工件的整体部分在板的厚度方向上移动以进行处理，其中，该件的两侧上的部分被固定，以形成至少一条切割线 区域构成为圆周部分。

公开(公告)号：US20160164350A1

公开(公告)日：2016-06-09

申请号：US14961741

申请日：2015-12-07

Applicant: Honda Motor Co., Ltd. ,  Mitsui High-tec, Inc.

Inventor： Yukio MATSUNAGA ,  Hisatomo ISHIMATSU ,  Yusuke HASUO ,  Masahiro IZUMI ,  Manabu YAZAKI

IPC: H02K1/14 ,  B32B15/04 ,  H02K15/02 ,  B32B37/06 ,  B32B37/12 ,  B32B15/01 ,  B32B7/12

CPC classification number: H02K1/148 ,  B32B7/12 ,  B32B15/01 ,  B32B15/043 ,  B32B37/12 ,  B32B2255/06 ,  B32B2307/208 ,  B32B2457/00 ,  H02K15/022 ,  H02K2201/09

Abstract: This disclosure relates to a method for manufacturing a laminate used for manufacturing a laminated core including a circumferential yoke part and a plurality of magnetic pole parts radially extending from the yoke part. This method includes: feeding a metal sheet drawn from a roll thereof to a progressive die; stamping out a plurality of workpieces from the metal sheet in the progressive die, wherein each of the workpiece comprises a temporarily-interlocking portion between adjacent magnetic pole portions; and stacking the workpieces to integrate these workpieces together by the temporarily-interlocking portion to obtain the laminate.

Abstract translation: 本公开涉及一种制造用于制造包括圆周磁轭部分和从磁轭部分径向延伸的多个磁极部件的层叠磁芯的层叠体的制造方法。 该方法包括：将从其卷轴拉出的金属片馈送到渐进式模具; 在连续模中从金属板冲压多个工件，其中每个工件包括相邻磁极部分之间的暂时互锁部分; 并且通过临时互锁部分堆叠工件以将这些工件集成在一起以获得层压体。

公开(公告)号：US20160099615A1

公开(公告)日：2016-04-07

申请号：US14868937

申请日：2015-09-29

Applicant: MITSUI HIGH-TEC, INC.

Inventor： Yusuke HASUO ,  Toyoshi ODAHARA

IPC: H02K1/12 ,  B29C69/00 ,  H02K15/02 ,  B29C70/84

CPC classification number: H02K15/02 ,  B29C70/845 ,  B29L2009/003 ,  H02K1/06 ,  H02K15/12

Abstract: A laminated iron core includes laminated iron core pieces, in which coupling parts are formed so as to communicate in a lamination direction of the laminated iron core pieces, and the coupling parts are filled with resins. The laminated iron core satisfies the following formula: (T×S)/η>{(4×E×δ×w×t3)/L3}×n, where T is a strength (N/mm2) of the resin; S is a cross-sectional area (mm2) of the coupling part or the resin; E is a Young's modulus (N/mm2) of the strip material; δ is a distortion amount (mm) of the iron core piece; w is a width (mm) of the iron core piece in a radial direction; t is a plate thickness (mm) of the iron core piece; n is the number of laminated iron core pieces; L is a distance (mm) between the coupling parts adjacent in the circumferential direction; and η is a safety factor.

Abstract translation: 层压铁芯包括层叠的铁芯片，其中形成连接部分以在层叠铁芯片的层叠方向上连通，并且联接部分填充有树脂。 叠层铁心满足下式：（T×S）/＆eegr> {（4×E×δ×w×t3）/ L3}×n，其中，T是树脂的强度（N / mm2） S是连接部件或树脂的横截面面积（mm2）; E是带材的杨氏模量（N / mm2）; δ是铁芯片的变形量（mm）; w是铁芯片在径向上的宽度（mm）; t是铁芯片的板厚（mm）; n是层叠铁芯片的数量; L是在周向相邻的联接部之间的距离（mm）; 和＆eegr 是一个安全因素。