Rotor for rotating electrical machine

Details Rotor for rotating electrical machine Rotor for rotating electrical machine

2011-04-26

2011-04-26

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S156120, C310S156160, C310S156220, C310S261100

Reexamination Certificate

active

07932657

ABSTRACT:
A rotor body for an electric motor is comprised of connecting outer peripheral portions of first and second flange members made of electrically conductive material to the opposite ends of a plurality of connection members made of electrically conductive material of weak magnetic material arranged at predetermined distances therebetween in the circumferential direction with bolts and by supporting induction magnetic poles made of soft magnetic material between the connection members which are adjacent in the circumferential direction. Coupling portions of the first and second flange members and the connection member are electrically insulated by insulation coating so that an eddy current flowing in a closed circuit comprised of the first flange member, the connection member, the second flange member and the other connection member can be reduced and heat dissipation and energy loss accompanied by the eddy current can be minimized at the time of an operation.

REFERENCES:
patent: 2006/0061227 (2006-03-01), Heideman et al.
patent: 2008/0169719 (2008-07-01), Yu
patent: 52-87603 (1977-07-01), None
patent: 52087603 (1977-07-01), None
patent: 63-290147 (1988-11-01), None
patent: 8-111963 (1996-04-01), None
patent: 9-9602 (1997-01-01), None
patent: 2006-304409 (2006-11-01), None
International Search Report PCT/JP2008/057480 dated Jul. 15, 2008 with an English translation.

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