US Patent Issued to AISIN on Aug. 4 for "Rotor manufacturing method" (Japanese Inventors)

ALEXANDRIA, Va., Aug. 5 -- United States Patent no. 12,700,781, issued on Aug. 4, was assigned to AISIN Corp. (Kariya, Japan).

"Rotor manufacturing method" was invented by Motoki Kori (Kariya, Japan), Tomoi Kojima (Kariya, Japan), Toshiyuki Saburi (Kariya, Japan) and Yohei Oya (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor manufacturing method for manufacturing a rotor of a rotary electric machine by disposing magnets in hole portions of a rotor core formed of stacked steel sheets, and injecting and curing a thermosetting resin to fix the magnets to the rotor core includes a temperature increasing step for increasing a temperature of the rotor core to a curing start temperature or high...