ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,444, issued on July 14, was assigned to MAKITA Corp. (Anjo, Japan).
"Electric work machine" was invented by Junya Inuzuka (Anjo, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electric work machine includes: a brushless motor including: a rotor having permanent magnets fixed to a rotor core; a stator core; one or more insulators fixed to the stator core; and a stator including coils mounted on the insulator(s); magnetic sensors, which detect the position of the rotor in a rotational direction by detecting the magnetic flux of the permanent magnets; a controller, which controls energization of the coils based in part on detection signals of ...