Permanent magnet motor direct drive type stirrer

By directly driving the agitator blades with a permanent magnet motor, the reduction gear mechanism is eliminated, achieving high efficiency and energy saving, compact structure, improved operational reliability and stability of the agitator, and reduced maintenance costs.

CN224127112UActive Publication Date: 2026-04-17HANGZHOU JIUDIAN LIGHT IND MASCH CO LTD
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Patent Information

Application Number
CN202520904557.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2026-04-17
Estimated Expiration
2035-05-09

AI Technical Summary

Technical Problem

Existing mixers suffer from energy loss at the motor output end and reduction gear structure, require high installation precision, have high maintenance costs, and have low transmission efficiency.

Method used

The blades are directly driven by a permanent magnet motor, eliminating the need for a reduction gear. Stable operation is ensured through sealing components and protective structures. The main shaft is directly connected to the blades to avoid energy loss.

Benefits of technology

It improves energy efficiency, reduces energy consumption, simplifies the structure, reduces floor space and weight, improves system reliability and stability, and reduces maintenance costs.

✦ Generated by Eureka AI based on patent content.
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Abstract

The utility model discloses a permanent magnet motor direct drive type stirrer which comprises a permanent magnet motor (1), the output end of the permanent magnet motor (1) is provided with a main shaft (2), and the end part of the main shaft (2) is provided with paddles (3); a shaft sleeve (4) is arranged on the main shaft (2), a mechanical seal seat (5) is arranged on the shaft sleeve (4), and a mechanical seal assembly (6) is arranged between the mechanical seal seat (5) and the shaft sleeve (4); a packing seat (7) is arranged at one end of the mechanical seal assembly (6) and on the shaft sleeve (4), a seal assembly (8) is arranged between the packing seat (7) and the shaft sleeve (4), and a gland (9) is arranged at one end of the shaft sleeve (4) and close to one side of the packing seat (7). The paddle is directly driven by the permanent magnet motor, and the permanent magnet motor has the characteristics of high efficiency, energy conservation, compact structure, high reliability and high transmission efficiency.
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