Motor adaptable to high temperature sterilization

By installing a protective sleeve on the magnet and selecting high-temperature resistant materials, the problems of rusting and demagnetization of the motor in the high-temperature sterilization environment are solved, and the long-term reliability and environmental friendliness of the motor under high temperature and high humidity conditions are achieved.

CN224481557UActive Publication Date: 2026-07-10CONSTAR MOTION CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
CONSTAR MOTION CO LTD
Filing Date
2025-08-11
Publication Date
2026-07-10

AI Technical Summary

Technical Problem

In existing motors, the magnets are prone to rusting and demagnetization under high temperature and high humidity sterilization environments, which affects service life and operational reliability. Furthermore, existing rust prevention measures are prone to failure or environmental pollution at high temperatures.

Method used

A protective sleeve is installed outside the magnet, and high-temperature resistant materials such as stainless steel, copper, titanium, titanium alloy or carbon fiber reinforced plastic are selected. The protective cover and sleeve enclose the magnet. Stainless steel is used in conjunction with other parts that are prone to rust. Vents and welding grooves are added to ensure sealing and stability.

Benefits of technology

It effectively prevents the magnets from rusting and demagnetizing, ensures that the motor can be sterilized more than 200 times under high temperature and high humidity conditions, maintains good performance, reduces noise and improves the overall lifespan of the machine.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model discloses a motor adaptable to high-temperature sterilization. The motor includes a rotor, which includes a shaft. A magnet is mounted on the shaft. A protective sleeve is provided over the magnet. Protective covers are concealed at both ends of the protective sleeve to enclose the magnet within the protective sleeve. The protective sleeve and protective covers are made of materials independently selected from stainless steel, copper, titanium, titanium alloy, and carbon fiber reinforced plastic. By using a protective sleeve over the magnet, this application isolates the magnet from moisture, effectively preventing problems such as rusting and demagnetization.
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