KELI(SZ:002892) Ge Long Hui A P P·2025-10-17 09:47Core Viewpoint - The company, Koli'er (002892.SZ), has recently obtained a patent for a new type of brushless high-speed motor from the United States Patent and Trademark Office, indicating a significant advancement in its technology and potential for market competitiveness [1]. Group 1: Patent Details - The patent is titled "BRUSHLESS HIGH SPEED MOTOR" with the patent number US12,444,999B2 [1]. - The design features an integrated shell with a separate wind channel fixed to the outer side of the inner column, utilizing BMC material for the wind channel and metal for the inner column [1]. - This innovative design effectively reduces the motor's resonance points and noise generated during high-speed operation [1]. Group 2: Design and Manufacturing Improvements - The shell's separate design allows for direct injection molding of the wind channel and shell onto the inner column, which simplifies the manufacturing process and reduces burrs, thereby improving sound quality [1]. - A grounding post is integrated into the outer side of the stator, facilitating easier assembly without affecting the motor's airflow [1]. - The use of elastic wave pads instead of springs for adjusting radial clearance enhances durability and simplifies installation, while also minimizing noise issues caused by stress misalignment in spring coils [1].