公开(公告)号：US12261485B2

公开(公告)日：2025-03-25

申请号：US17754120

申请日：2020-09-24

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshitaka Okuyama ,  Masaki Hirano ,  Shoujirou Naka ,  Shunsuke Shimizu ,  Yoshiki Yasuda ,  Akio Yamagiwa

IPC: H02K1/276 ,  H02K21/16 ,  H02K29/03

Abstract: A rotor includes an iron core; a plurality of permanent magnets housed in magnet slots different from each other formed in the iron core, and arranged in series magnetically; and a flux barrier provided to be close to an end in a direction orthogonal to a direction of a main magnetic flux, for each of at least two permanent magnets among the plurality of permanent magnets arranged in series magnetically. Two instances of the flux barrier corresponding to said at least two permanent magnets arranged in series magnetically, communicate with each other.

公开(公告)号：US10686351B2

公开(公告)日：2020-06-16

申请号：US15745958

申请日：2016-06-03

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshitaka Okuyama ,  Yoshiki Yasuda ,  Yoshinari Asano

IPC: H02K15/03 ,  H02K1/27 ,  B29C45/00 ,  B29C45/14 ,  B29C45/27 ,  B29C45/58 ,  H02K29/03 ,  B29K81/00 ,  B29K103/06 ,  B29L31/34 ,  H02K1/02 ,  H02K15/12

Abstract: Disclosed herein is a method for manufacturing a rotor, the method including an injection process of injecting a bonded magnet material into a cavity of a molding die generating a magnetic field in the cavity so that the bonded magnet material is poured into each of the magnet slots in the rotor core set in the cavity through one of openings of each magnet slot, wherein the molding die used in the injection process has gates which respectively open at positions corresponding to regions, each of which ensures a view from the one of openings to the other opening of the magnet slot along an axial center of the rotor core.

公开(公告)号：US10566859B2

公开(公告)日：2020-02-18

申请号：US15759281

申请日：2016-09-27

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Yoshinari Asano ,  Yoshiki Yasuda ,  Masaki Hirano

IPC: H02K1/27 ,  H02K21/14 ,  H02K15/03 ,  H02K29/03

Abstract: A rotor includes a rotor core and a bond magnet. The rotor core has core blocks and a partition core sandwiched between the core blocks in an axial direction. Magnet holes pass through the core blocks and the partition core in the axial direction, respectively, and the magnet hole is communicated with the magnet holes. Positions of the magnet holes in a circumferential direction are deviated from each other. The bond magnet fills the magnet holes.

公开(公告)号：US10122231B2

公开(公告)日：2018-11-06

申请号：US14431268

申请日：2013-09-30

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Nobuyuki Kifuji ,  Yoshiki Yasuda ,  Yoshinari Asano ,  Yasuhiko Ohsawa

IPC: H02K21/12 ,  H02K1/27

Abstract: Each of permanent magnets includes a magnet body formed across the radial direction of a rotor core, and a pair of magnet end parts bending toward the outer peripheral side of the magnet body and extending respectively from both ends of the magnet body in the peripheral direction toward the outer edge of the rotor core. Magnetization directions of the magnet end parts and a magnetic pole center line intersect with each other on the outer peripheral side of the magnet body. The inclination angle of each magnetization direction of the magnet end parts with respect to the magnetic pole center line is greater than the inclination angle of a magnetization direction of the magnet body with respect to the magnetic pole center line.

公开(公告)号：US09438090B2

公开(公告)日：2016-09-06

申请号：US14603771

申请日：2015-01-23

Applicant: DAIKIN INDUSTRIES, LTD.

Inventor： Toshinari Kondou ,  Yoshiki Yasuda ,  Akio Yamagiwa

IPC: H02K15/02 ,  H02K15/10 ,  H02K1/16 ,  H02K1/27 ,  H02K3/50 ,  H02K21/14

CPC classification number: H02K15/026 ,  H02K1/16 ,  H02K1/276 ,  H02K3/50 ,  H02K21/14 ,  H02K2201/03 ,  H02K2213/12 ,  Y10T29/49012

Abstract: A motor includes a driving shaft, a rotor attached to the driving shaft, and a stator having a substantially cylindrical stator core provided around the rotor, and a plurality of coils wound around the stator core in a distributed winding manner. The stator core includes three separated stator core parts aligned along a peripheral direction, and each of the coils is disposed so as not to lie astride any two of the three separated stator core parts. At least one coil end of the plurality of the coils is disposed to pass through an inner side relative to an inner peripheral surface of the stator core.

Abstract translation: 电动机包括驱动轴，安装在驱动轴上的转子以及设置在转子周围的具有大致圆筒形的定子铁心的定子，以及以分布式绕线方式缠绕在定子铁芯上的多个线圈。 定子铁芯包括沿着圆周方向排列的三个分离的定子铁心部件，并且每个线圈被布置成不跨过三个分离的定子铁芯部件中的任何两个。 多个线圈的至少一个线圈端部被设置成穿过相对于定子芯的内周面的内侧。