Dynamo-electric machine

Details Dynamo-electric machine Dynamo-electric machine

2006-12-14

2009-08-11

Geyer, Scott B. (Department: 4113)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156420, C310S156620, C310S254100

Reexamination Certificate

active

07573176

ABSTRACT:
In a dynamo-electric machine having two rotors, at least one of the rotors is constructed to have a first magnetic path that extends in a circumferential direction of the rotor, at least one of the rotors is constructed to have a second magnetic path that extends in a radial direction of the rotor, and at least one of the rotors is of an interior permanent magnetic type (IPM) and includes an inside yoke that faces an axial end of the stator. A magnetic resistance of a part of the inside yoke by which the same poles of the permanent magnets of the corresponding rotor are magnetically connected is lower than that of another part of the inside yoke by which the different poles of the permanent magnets of the corresponding rotor are magnetically connected.

REFERENCES:
patent: 11-356015 (1999-12-01), None

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