Claw pole motor stator

Details Claw pole motor stator Claw pole motor stator

2006-11-14

2006-11-14

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216006

Reexamination Certificate

active

07135802

ABSTRACT:
A claw pole motor stator includes teeth for N phases (N being a natural number of 3 or more), for example, U-phase, V-phase, and W-phase teeth juxtaposed in an axial direction, return paths for interconnecting the U-phase, V-phase, and W-phase teeth, and (N−1) annular slots formed between the U-phase, V-phase, and W-phase teeth. A U-phase coil and one V-phase coil are housed in one annular slot, and another V-phase coil and a W-phase coil are housed in the other annular slot. In this way, only N sets of teeth and N−1 annular slots are provided for N phases, and thus it is possible to minimize the thickness in the axial direction of the stator compared with a conventional stator which requires 2N sets of teeth and N annular slots for N phases.

REFERENCES:
patent: 6121712 (2000-09-01), Sakamoto
patent: 6153953 (2000-11-01), Isozaki et al.
patent: 6765321 (2004-07-01), Sakamoto
patent: 6815863 (2004-11-01), Jack et al.
patent: 6946771 (2005-09-01), Cros et al.
patent: 2002/0070627 (2002-06-01), Ward et al.
patent: 7-227075 (1995-08-01), None

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