Rotor of rotary machine having claw poles and auxiliary permanen

Details Rotor of rotary machine having claw poles and auxiliary permanen Rotor of rotary machine having claw poles and auxiliary permanen

1998-03-10

2000-01-04

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 310 60A, 310 61, 310 62, H02K 122, H02K 900

Patent

active

06011343&

ABSTRACT:
In a rotor of a rotary machine having a plurality of claw poles extending in the axial direction of the rotor alternately from opposite ends and a plurality of auxiliary permanent magnets held between adjacent two of said claw poles, each of the claw poles has trapezoidal outer and inner peripheries with the sides thereof forming parallelopiped rectangular spaces between adjacent claw poles. The permanent magnet members are fitted to the spaces so that the side walls of the magnet members extend to the inside of the claw poles to function as an axial flow fan.

REFERENCES:
patent: 3271606 (1966-09-01), Collins
patent: 5306977 (1994-04-01), Hayashi
patent: 5483116 (1996-01-01), Kusase et al.
patent: 5578885 (1996-11-01), Alford et al.
patent: 5705865 (1998-01-01), Ishida et al.
patent: 5828155 (1998-10-01), Adachi et al.

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