Permanent magnet motor

Details Permanent magnet motor Permanent magnet motor

1999-07-26

2000-11-07

Ramirez, Nestor

Electrical generator or motor structure

Dynamoelectric

Rotary

310152, 310 46, 310261, H02K 3700, H02K 2112, H02K 2100, H02K 2304, H02K 122

Patent

active

061441325

ABSTRACT:
A permanent magnet motor is provided comprising a plurality of individual permanent magnets 7 threaded inside of a rotor, an N pole magnetic circuit commonly connected to N poles of the plurality of individual permanent magnets 7, an S pole magnetic circuit commonly connected to S poles of the plurality of individual permanent magnets 7, a plurality of N pole magnetic poles 5 positioned on the rotor surface, the N pole magnetic poles 5 being a part of the N pole magnetic circuit, and a plurality of S pole magnetic poles 6 positioned alternately with the N pole magnetic poles 5 in the rotational direction of the rotor, the S pole magnetic poles 6 being a part of the S pole magnetic circuit, wherein the change rate of the rotation of flux linked to the stator winding is increased to output a large torque.

REFERENCES:
patent: 4873462 (1989-10-01), Harned
patent: 4918346 (1990-04-01), Tajima et al.
patent: 5369325 (1994-11-01), Nagate et al.
patent: 5642013 (1997-06-01), Wavre
patent: 5760503 (1998-06-01), Tsuchida et al.

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