Patent ID: 8314610

Claim:
A resolver having an annular resolver stator for detecting a rotational position of a resolver rotor connected to a rotating shaft of a rotating machine, and a resolver cover for protecting an annular coil board provided at the resolver stator, wherein the resolver stator comprises: a stator core forming a magnetic field of the coil board and having a plurality of projections fitted to the coil board, and a fixing section provided with a plurality of engaging holes for fixing the resolver cover and which is provided at an outer peripheral portion of the stator core to fix the resolver stator to a housing of the rotating machine; and wherein the resolver comprises: a plurality of arms formed to cover the coil board and which extend in an outer periphery direction, a claw provided at a tip end of each of the arms and which engages with the engaging hole of the resolver stator, and a plurality of through-holes fitted to a plurality of projections provided on the resolver stator, and claws provided at the through-holes.