Rotor and method of manufacturing

Details Rotor and method of manufacturing Rotor and method of manufacturing

2006-01-30

2009-10-27

Hanh, Nguyen N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

Reexamination Certificate

active

07608966

ABSTRACT:
A rotor includes a rotor core, a permanent magnet inserted into an opening formed along a circumferential direction of the rotor core, and end plates provided to sandwich the rotor core in a direction of a rotation axis. The permanent magnet is fixed to the rotor core with an adhesive. A stainless steel plate is provided between the rotor core and each of the end plates, the stainless steel plate having a linear expansion coefficient falling between that of the rotor core and that of the end plates. An outer periphery of each of the end plates in a circumferential direction has a portion placed to be radially inward with respect to an outer periphery of the stainless steel plate.

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