A low torque ripple modified magnet type rotor and an embedded permanent magnet motor
CN224697517UActive Publication Date: 2026-08-28WUXI WEIFU HIGH TECH CO LTD
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Patent Information
- Application Number
- CN202521768562.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-20
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-08-20
AI Technical Summary
Technical Problem
[0004]本实用新型提供了一种低转矩脉动的修型磁石式转子及内嵌式永磁电机，用于解决背景技术中提及的传统电机在降低转矩脉动的同时也降低了平均转矩的问题
Benefits of technology
[0008]本实用新型的有益效果：本实用新型能够显著降低电机的转矩脉动，提高电机转矩输出平稳性，从而提高电机寿命和可靠性，提升电机输出转矩，实现降本增效。
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Figure CN224697517U_ABST
Abstract
The utility model belongs to the permanent magnet motor technical field especially relates to a kind of low torque ripple's modified magnet type rotor and embedded permanent magnet motor, comprising: rotor core and modified magnet, the rotor core is uniformly provided with mounting groove along the circumferential direction, the mounting groove is provided with the notch away from the circumferential direction of the rotor core, the both sides of the notch are provided with limit clamping plate, the modified magnet is placed in the mounting groove, the one end of the modified magnet towards the notch is provided with crimping surface and curved surface, the crimping surface is located the both sides of the curved surface, the crimping surface and the inner wall of limit clamping plate abut, the curved surface is located in the notch.The utility model can significantly reduce the torque ripple of motor, improve motor torque output stability, to improve motor life and reliability, improve motor output torque, realize cost reduction and efficiency increase.
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