Permanent magnet field-type rotating machine

Details Permanent magnet field-type rotating machine Permanent magnet field-type rotating machine

1996-03-20

1997-11-04

Laballe, Clayton E.

Electrical generator or motor structure

Dynamoelectric

Rotary

310152, 310261, H02K 2112

Patent

active

056843526

ABSTRACT:
Disclosed is a permanent magnet field-type rotating machine of a high efficiency having an internal magnet-type rotor. The rotating machine comprises an internal magnet-type rotor having a plurality of permanent magnets embedded in a rotor yoke, and a stator disposed in opposed, spaced relationship to the rotor, with an air gap formed between the rotor and the stator. The rotor yoke comprises a member in which ferromagnetic regions and non-magnetic regions coexist, and the non-magnetic regions are disposed respectively at those positions of the rotor yoke where leakage magnetic flux is liable to be generated.

REFERENCES:
patent: 5371426 (1994-12-01), Nagate et al.
patent: 5488260 (1996-01-01), Heyraud
patent: 5508576 (1996-04-01), Nagate et al.

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