US Patent Issued to AMOTECH on March 31 for "Rotor, and propeller driving device and aircraft using the same" (South Korean Inventors)

ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,880, issued on March 31, was assigned to AMOTECH Co. LTD. (Incheon, South Korea).

"Rotor, and propeller driving device and aircraft using the same" was invented by Jeong Hoon Lee (Incheon, South Korea) and Seung Jin Choi (Incheon, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a rotor, and a propeller driving device and an aircraft using same. The propeller driving device includes: a housing in which an upper cover and a lower cover having a plurality of through holes are respectively coupled to an upper portion and a lower portion of a cylindrical case; a stator arranged inside the case; a rotor arranged at a distance from...