has filed a patent for a method of manufacturing a stator sleeve for a cooled electrical motor. The process involves wrapping a mandrel with prepreg tape, cooling, trimming, and attaching end rings made of the same material as the tape using laser welding or melt bonding. GlobalData’s report on gives a 360-degree view of the company including its patenting strategy.
According to GlobalData鈥檚 company profile on , Marine fenders was a key innovation area identified from patents. 's grant share as of January 2024 was 62%. Grant share is based on the ratio of number of grants to total number of patents.
Method of manufacturing stator sleeve for cooled electrical motor
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A patent application (Publication Number: US20230387768A1) describes a method for manufacturing a stator sleeve to be used in a cooled electrical motor. The process involves wrapping a cylindrical mandrel with a prepreg tape containing continuous fiber reinforcement within a polymer matrix using automated fiber placement. The wrapped tape is heated, cooled, and then the mandrel is removed to create an unfinished stator sleeve. The ends of the sleeve are trimmed, and polymer end rings are attached using laser welding or melt bonding to form a completed stator sleeve suitable for installation in the motor.
The method outlined in the patent application includes specific details such as the orientation of the fiber reinforcement in the tape, the materials used for the continuous fiber reinforcement and polymer matrix, and the heating methods during fiber placement. Additionally, the process involves steps to ensure the stator sleeve is impermeable to the coolant liquid used in the electrical motor. The application also describes an alternative method where the unfinished stator sleeve is fully consolidated using an outer mold and a conformable bladder before attaching the end rings. These innovative manufacturing techniques aim to improve the efficiency and performance of cooled electrical motors by creating a high-quality stator sleeve through precise and controlled processes.
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