US Patent Issued to DENSO on June 24 for "Manufacturing device for rotor and manufacturing method for rotor" (Japanese Inventors)

ALEXANDRIA, Va., June 25 -- United States Patent no. 12,341,386, issued on June 24, was assigned to DENSO Corp. (Kariya, Japan).

"Manufacturing device for rotor and manufacturing method for rotor" was invented by Masaru Harada (Kariya, Japan), Ritsurou Hiramatsu (Kariya, Japan) and Toshihiro Uchida (Kariya, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A rotor includes a permanent magnet, which is inserted in a magnet receiving hole of a rotor core and is shaped in a form of a mountain fold that is convex toward a radially inner side. A manufacturing device for the rotor includes a magnetizing device that magnetizes the inserted permanent magnet from an outside of the rotor. The magnetizing device inc...