ALEXANDRIA, Va., Aug. 12 -- United States Patent no. 12,388,339, issued on Aug. 12, was assigned to AAC Technologies (Nanjing) Co. Ltd. (Nanjing, China).
"Direct drive motor" was invented by Weiling Shi (Nanjing, China), Shun Guo (Nanjing, China) and Wanlun Wang (Nanjing, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The disclosure provides a direct drive motor, including: a primary assembly, the primary assembly including a slide, a coil assembly fixed to the slide, and two first end covers respectively fixed to the slide; and a secondary assembly, the secondary assembly including a base arranged opposite to the slide, a yoke fixed to the base, a magnet assembly fixed to the yoke, and two second end ...