Permanent magnet type rotating electric machine

Details Permanent magnet type rotating electric machine Permanent magnet type rotating electric machine

2005-01-04

2005-01-04

Ponomarenko, Nicholas (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216055, C310S216006, C310S180000, C310S254100

Reexamination Certificate

active

06838798

ABSTRACT:
In a permanent magnet type rotating electric machine comprising a stator of which concentratedly wound armature windings are disposed in a plurality of slots formed in a stator core so as to surround teeth and a rotor accommodating permanent magnets in a plurality of permanent magnet insertion holes formed in a rotor core, a part of outer circumferential faces of slots is formed to extend substantially in parallel with a part of inner circumferential faces of the teeth, thereby, a permanent magnet type rotating electric machine with limited noises can be realized.

REFERENCES:
patent: 4741677 (1988-05-01), Frigo
patent: 5838086 (1998-11-01), Cuenot
patent: 6353275 (2002-03-01), Nishiayma
patent: 6552461 (2003-04-01), Takahata et al.
patent: 06-339241 (1994-12-01), None

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