Patent ID: 7911108

Claim:
A stator of an electric rotating machine comprising: a stator core constituted of a plurality of core pieces joined to one another in a ring; a plurality of phase windings wound in slots formed in said stator core along an inner periphery of said stator core; said stator core and said phase windings constituting a core assembly body; and an outer casing into which said core assembly body is fitted; wherein gaps are provided between an outer periphery of said core assembly body and an inner periphery of said outer casing, each of said gaps being located at a position equidistant from abutting surfaces of corresponding adjacent two of said core pieces, and outwardly opposite to a corresponding one of said slots in a radial direction of said stator core; and wherein said gaps are provided such that none of said gaps faces an abutting portion between any adjacent two of said core pieces.