Rotor core assembly for electric motor

Details Rotor core assembly for electric motor Rotor core assembly for electric motor

2011-04-05

2011-04-05

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Rotary

C310S216127, C310S216131, C310S216133, C310S216114, C310S261100, C310S262000

Reexamination Certificate

active

07919898

ABSTRACT:
A rotor core assembly for an electric motor includes a stack of laminations and first and second end plates disposed at opposite ends of the stack of laminations. A plurality of concentric fastener holes extend through the laminations and the end plates for receiving stainless steel pins. Each pin has a head against one of the end plates, and each pin has spaced apart grooves thereon extending from the other end plate. A stainless steel collar engages each of the pins and contacts one of the end plates. Each collar has a deformed portion in at least one of the grooves of the pin.

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