ALEXANDRIA, Va., Dec. 9 -- United States Patent no. 12,494,688, issued on Dec. 9, was assigned to FANUC Corp. (Yamanashi, Japan).
"Rotor provided with end plate and electric motor" was invented by Yasuo Yamada (Yamanashi, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are: a rotor provided with a magnetic end plate and a structure for suppressing magnetic flux leakage; and an electric motor having this rotor. The rotor has a rotor core of an approximately cylindrical shape, a plurality of magnets supported by the rotor core, and two end plates arranged at either end surface in the axial direction of the rotor core, the end plates being formed of a magnetic material. Each end plate has an appro...