Patent ID: 8395292

Claim:
An axial gap motor comprising: a rotor configured to rotate about a rotational axis; and a stator disposed to face the rotor from at least one side thereof with respect to the direction of a rotational axis, wherein: the rotor comprises: a plurality of main magnet portions magnetized in the direction of the rotational axis and disposed at predetermined intervals in a circumferential direction; a plurality of yoke portions disposed on at least one side of the plurality of main magnet portions with respect to the direction of the rotational axis; a rotor frame having a plurality of ribs disposed individually between the main magnet portions lying adjacent to each other in the circumferential direction and extending in a radial direction, and an inner cylindrical portion and an outer cylindrical portion provided at inside diameter sides and outside diameter sides, respectively, of the plurality of ribs, with at least the inner cylindrical portion made of a die casting alloy; and a casting alloy entry preventing plate disposed between the inner cylindrical portion of the rotor frame and the main magnet portions; the main magnet portions each have a displacement preventing portion at an inner circumferential side thereof for preventing the displacement of the position of the main magnet portion.