US Patent Issued to Hitachi Astemo on May 13 for "Rotor of rotating electrical machine and electrical drive system" (Japanese Inventors)

ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,061, issued on May 13, was assigned to Hitachi Astemo Ltd. (Hitachinaka, Japan).

"Rotor of rotating electrical machine and electrical drive system" was invented by Masahiro Hori (Tokyo), Takeshi Tokuyama (Tokyo), Noriaki Hino (Tokyo) and Masanori Sawahata (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "An object of the present invention is to provide a structure capable of stably holding a bonded magnet into a magnet insertion part of a rotor core. A rotor of a rotating electrical machine includes a bonded magnet 112, an elastic member 113 having a bent part 113a, and a rotor core provided with a magnet storage part storing the bonded magnet 1...