ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,692, issued on Dec. 9, was assigned to BMC Co. LTD. (Anseong-si, South Korea) and HL Mando Corp. (Pyeongtaek-si, South Korea).
"Hollow shaft motor" was invented by Ok Yun Kim (Seoul, South Korea) and Gwan Seon Jeong (Gwangju, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The hollow shaft motor according to the present invention comprises a motor housing 11 having a cylindrical shape; a housing cover assembly 12 coupled to an upper portion of the motor housing 11; a stator assembly 20 located in the motor housing 11 and in a lower portion of the housing cover assembly 12; a rotor assembly 30 located in the stator assembly 20 to rotate; a ...