| 摘要 |
PROBLEM TO BE SOLVED: To provide a motor device capable of allowing a refrigerant to efficiently flow in a wiring part. SOLUTION: A pump motor 10 includes a stator 12 arranged outside a rotor 14 in its radial direction with a multiple-phase coil 26 wound around an iron core 24, a housing wherein a refrigerant inlet 36 and a refrigerant outlet 38 are provided on the outer peripheral part on one end side in the axial direction relative to the accommodated stator 12, a terminal holder 40 arranged on one end side in the axial direction relative to the stator 12 and retaining a terminal 42U or the like for feeding electricity to the coil 26 of each phase, and a guide part 50 provided projecting on the iron core 24 side from the terminal holder 40 and having a guide surface 52B directed to the refrigerant inlet 36 side. COPYRIGHT: (C)2009,JPO&INPIT
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