Three-phase asynchronous motor with high sealing effect

By using a double-layer sealed housing and annular water-cooling channel design, the sealing and heat dissipation problems of the three-phase asynchronous motor are solved, enabling long-term stable operation and extending service life in harsh environments.

CN224385205UActive Publication Date: 2026-06-19SHANDONG CHANGZHENG MOTOR CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG CHANGZHENG MOTOR CO LTD
Filing Date
2025-07-30
Publication Date
2026-06-19

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Abstract

This invention belongs to the field of three-phase asynchronous motor technology, specifically a three-phase asynchronous motor with high sealing effect. It includes a motor body, an external double-layer sealed shell for buffering the motor body, and motor bases supporting the motor body on both sides of the lower center of the double-layer sealed shell. Inside the motor body is a heat dissipation mechanism for cooling the motor body. When the motor is running, the motor body generates heat. At this time, the heat dissipation mechanism starts working, and coolant enters the annular water-cooling channel through the inlet, flowing through shallow grooves on the outer surface of the inner shell. Because the shallow grooves are coated with thermally conductive silicone grease, and the annular water-cooling channel uses thin-walled copper tubing, heat can be efficiently transferred from the inner shell to the coolant. After absorbing heat, the coolant's temperature rises and it is discharged from the outlet, forming a circulating cooling system, thereby achieving continuous heat dissipation from the motor body.
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