Title:
ROTOR PUNCHING SHEET, STEP-SKEW MOTOR ROTOR, AND MOTOR
Document Type and Number:
WIPO Patent Application WO/2022/193175
Kind Code:
A1
Abstract:
The present invention provides a rotor punching sheet, a step-skew motor rotor, and a motor. The rotor punching sheet comprises: a punching sheet body; an even number of magnetic steel fixing grooves; multiple magnets, on which multiple magnetic pole center lines having mutually alternating polarities are formed; at least three first positioning through holes having a diameter of d1, wherein two first positioning through holes are located on a first magnetic pole center line, another first positioning through hole is located on a second magnetic pole center line, and the first magnetic pole center line and the second magnetic pole center line are two magnetic pole center lines having different polarities; and at least three second positioning through holes having a diameter of d2, wherein d2
Inventors:
XU HAOJIE (CN)
RUAN OU (CN)
ZHAO QIANJIAN (CN)
LU JUN (CN)
MAO WEINA (CN)
RUAN OU (CN)
ZHAO QIANJIAN (CN)
LU JUN (CN)
MAO WEINA (CN)
Application Number:
PCT/CN2021/081317
Publication Date:
September 22, 2022
Filing Date:
March 17, 2021
Export Citation:
Assignee:
GEELY HOLDING GROUP CO LTD (CN)
VIRIDI E MOBILITY TECH NINGBO CO LTD (CN)
VIRIDI E MOBILITY TECH NINGBO CO LTD (CN)
International Classes:
H02K15/03; H02K1/27
Foreign References:
| CN203774914U | 2014-08-13 | |||
| CN106712351A | 2017-05-24 | |||
| CN102545425A | 2012-07-04 | |||
| JP2000236639A | 2000-08-29 |
Other References:
KAN, RONG: "A Method of a Manufacturing Rotor Assembly for a Permanent Magnet Motor", MANUFACTURING TECHNOLOGY & MACHINE TOOL, no. 5, 31 May 2014 (2014-05-31), pages 111 - 113, XP009539789, ISSN: 1005-2402
Attorney, Agent or Firm:
WISEAST INTELLECTUAL PROPERTY LAW FIRM (CN)
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