Dynamoelectric rotor having permanent magnets disposed...

Details Dynamoelectric rotor having permanent magnets disposed... Dynamoelectric rotor having permanent magnets disposed...

2006-11-14

2006-11-14

Nguyen, Tran (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

07135803

ABSTRACT:
The dynamoelectric rotor according to the present invention, includes: a rotor coil; a first pole core body and a second pole core body respectively having: first and second cylindrical portions on which the rotor coil is installed; first and second disk portions; and a plurality of first and second claw-shaped magnetic poles magnetized into North-seeking (N) poles and South-seeking (S) poles; and permanent magnets for reducing magnetic leakage flux between the adjacent claw-shaped magnetic poles, flange portions projecting in a circumferential direction and restricting radial movement of the permanent magnets due to centrifugal force being formed on first and second side surfaces of the claw-shaped magnetic poles, and a groove being formed on the first disk portion of the first pole core body to make the first claw-shaped magnetic poles of the first pole core body displace more than the second claw-shaped magnetic poles of the second pole core body.

REFERENCES:
patent: 6172441 (2001-01-01), York et al.
patent: 6307297 (2001-10-01), Bramson et al.
patent: 6555944 (2003-04-01), York
patent: 6750587 (2004-06-01), York et al.
patent: 6806617 (2004-10-01), Chen et al.
patent: 10-248221 (1998-09-01), None
patent: 10-313560 (1998-11-01), None

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