US Patent 10404114 Rotary electric machine rotor

A rotary electric machine rotor includes a rotor core having a magnet hole, a magnet, a first end plate, and a second end plate. The core steel sheets, each of plates are made of the same materials. The first end plate has at least one first hole. The second end plate has at least one second hole. When viewed from one axial side of the rotor core, the first hole and the second hole overlap with at least part of the magnet in the axial end surface of the magnet hole. When viewed from one axial side of the rotor core, the first hole has a part at least partially placed at a position different from the second hole.