Garage roller shutter door system based on direct drive linear motor
By combining a segmented linear motor and a magnetic levitation module, the problems of high noise and low efficiency of traditional garage roller shutters are solved, realizing a quiet, low-noise, and high-efficiency garage roller shutter system suitable for the quiet environment and safety requirements of high-end intelligent garages.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- GUIZHOU DEMA INTELLIGENT EQUIP MFG CO LTD
- Filing Date
- 2026-05-09
- Publication Date
- 2026-07-17
AI Technical Summary
Traditional garage roller shutters rely on mechanical contact transmission, resulting in high noise levels, low efficiency, and poor adaptability, failing to meet the demands of high-end intelligent garages for low noise and high efficiency.
The system employs a segmented linear motor drive system, which combines a drive magnetic levitation module and a guide magnetic levitation module to achieve non-contact operation. The curtain is suspended by the repulsive force of permanent magnets, and combined with an adaptive braking controller, it achieves smooth and buffered braking, reducing noise and improving system reliability and safety.
It achieves a quiet and low-noise operation at high speeds, improves the system's fault tolerance and reliability, reduces mechanical wear, and ensures a quiet environment and safety for high-end garages.
Smart Images

Figure CN122407059A_ABST