Core, primary assembly, linear motor, suspension structure and vehicle
By setting 20 to 90 circumferentially spaced blocking slots on the iron core, the problem of high eddy current loss in the iron core is solved, improving the working efficiency and performance of the linear motor.
CN122292718APending Publication Date: 2026-06-26BYD CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BYD CO LTD
- Filing Date
- 2024-12-26
- Publication Date
- 2026-06-26
AI Technical Summary
Technical Problem
The core of a linear motor suffers from significant eddy current losses, which reduces its efficiency and affects the motor's performance.
Method used
The iron core is provided with circumferentially spaced blocking grooves, with the number of grooves ranging from 20 to 90, to interrupt the eddy currents generated by the magnetic lines of force and reduce eddy current losses.
Benefits of technology
By setting up barrier slots, eddy current losses in the iron core are reduced, thereby improving the motor's efficiency and performance.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122292718A_ABST
Abstract
This application discloses an iron core, a primary component, a linear motor, a suspension structure, and a vehicle, relating to the field of vehicle technology, and aims to solve the problem of large eddy current losses in the iron core of a linear motor. The iron core has multiple blocking slots spaced apart along the circumference of the iron core, and the number N of the blocking slots satisfies: 20≤N≤90.
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