ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,821, issued on April 7, was assigned to TOYOTA JIDOSHA K.K. (Toyota, Japan).
"Rotary electric machine" was invented by Hiroyuki Hattori (Okazaki, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A rotary electric machine includes a stator including a stator core and stator coils, which is cylindrical centered on an axis and has no slots, and a rotor disposed radially inward of the stator and including a rotor core and permanent magnets. (a) The stator coil is fixed to the inner peripheral surface inside the stator core. (b) The stator coil has coil end portions protruding outward from both end portions of the stator core in the direction of the ...