Induction motors, compressors and refrigeration equipment
By rationally designing the area of the stator slots, the problems of low efficiency and high heat generation caused by improper area ratio of the stator yoke and stator teeth in induction motors were solved, thereby improving motor efficiency and reducing heat generation.
CN122371535APending Publication Date: 2026-07-10GUANGDONG MEIZHI COMPRESSOR
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUANGDONG MEIZHI COMPRESSOR
- Filing Date
- 2025-01-09
- Publication Date
- 2026-07-10
AI Technical Summary
Technical Problem
In induction motor design, an improper area ratio between the stator yoke and stator teeth leads to problems such as low motor efficiency, high heat generation, and insufficient winding space.
Method used
By limiting the maximum slot width and height of the stator slots and rationally designing the area of the stator slots, we can ensure that the stator slots can accommodate a sufficient number of stator windings, optimize the material usage and magnetic flux flow of the stator core, and reduce iron loss and heat generation.
Benefits of technology
It improves the efficiency of induction motors, reduces heat generation, and extends motor life.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN122371535A_ABST
Abstract
This invention discloses an induction motor, a compressor, and a refrigeration device, relating to the field of motor technology. The induction motor includes a stator component. The stator core includes multiple stator laminations stacked along its axial direction. Each stator lamination includes a stator yoke and multiple stator teeth spaced circumferentially on the inner side of the stator yoke. A stator slot is formed between two adjacent stator teeth. A line segment passing through the center of each stator lamination intersects the outer contour of the stator lamination at any two points. The maximum value of the line segment between any two intersection points is L1, and the minimum value is L2, satisfying: 1.02 ≤ L1 / L2 ≤ 1.2. The tooth width of the stator teeth is W1, and the maximum slot width of the stator slot is W2, satisfying: 2.6 ≤ W2 / W1 ≤ 3.6. The minimum stator yoke width of the stator lamination is Y1, and the inner diameter of the stator lamination is L3, satisfying: 0.3 ≤ Y1 / ((L1-L3) / 2) ≤ 0.45. The induction motor of this invention can improve the efficiency of the induction motor and reduce heat generation.
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