Rotary electric machine having lundell type pole core

Details Rotary electric machine having lundell type pole core Rotary electric machine having lundell type pole core

1997-12-03

1999-05-11

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 51, H02K1/22;5/24

Patent

active

059030836

ABSTRACT:
A rotor of an alternator which is composed of a Lundell type core has a wire wound spirally around the rotor. The wire binds the claw poles at equal intervals from the tip to the base of each claw pole, thereby restricting the radial expansion of the claw poles due to centrifugal forces. The wire is made of a non-magnetic material, and is received in grooves formed on the outer circumferential surface collectively formed by the claw poles.

REFERENCES:
patent: 3445694 (1969-05-01), Campbell et al.
patent: 3571637 (1971-03-01), Henningseg et al.
patent: 5483116 (1996-01-01), Kusase et al.

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