Title:
ROTOR PUNCHING SHEET, ROTOR CORE, ROTOR, MOTOR AND VEHICLE
Document Type and Number:
WIPO Patent Application WO/2024/021887
Kind Code:
A1
Abstract:
Provided in the present application are a rotor punching sheet, a rotor core, a rotor, a motor and a vehicle. The rotor punching sheet comprises a punching sheet main body; a shaft hole which is provided in the punching sheet main body; and a plurality of recess groups which are provided in the punching sheet main body and separately distributed around the shaft hole. Each recess group comprises a plurality of mounting recesses, a plurality of first auxiliary recesses and a plurality of second auxiliary recesses, each mounting recess comprises two recess bodies, each groove body comprises a permanent magnet recess section, and an end portion of each permanent magnet recess section away from the shaft hole is a matching portion. The plurality of mounting recesses are separately arranged in a radial direction of the punching sheet main body, mounting recesses closest to the shaft hole in the plurality of mounting recesses are first mounting recesses, and mounting recesses closest to an outer peripheral wall of the punching sheet main body in the plurality of mounting recesses are second mounting recesses. The first auxiliary recesses and the second auxiliary recesses are all arranged on an outer peripheral wall of the punching sheet main body, the first auxiliary recesses and the second mounting recesses are correspondingly arranged, and portions of the punching sheet main body between every two adjacent first mounting recesses and the second auxiliary recesses are correspondingly arranged.
Inventors:
WANG PAN (CN)
WANG FEI (CN)
WANG FEI (CN)
Application Number:
PCT/CN2023/098662
Publication Date:
February 01, 2024
Filing Date:
June 06, 2023
Export Citation:
Assignee:
ANHUI WELLING AUTO PARTS CO LTD (CN)
GUANGDONG WELLING AUTO PARTS CO LTD (CN)
GUANGDONG WELLING AUTO PARTS CO LTD (CN)
International Classes:
H02K1/278; H02K1/28
Foreign References:
| CN218498900U | 2023-02-17 | |||
| CN215498476U | 2022-01-11 | |||
| CN112234735A | 2021-01-15 | |||
| CN212726607U | 2021-03-16 | |||
| CN214124968U | 2021-09-03 | |||
| US20200381965A1 | 2020-12-03 |
Attorney, Agent or Firm:
YOULINK INTELLECTUAL PROPERTY LAW FIRM (CN)
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