Axial retainers for coated electromagnetic rotor

Details Axial retainers for coated electromagnetic rotor Axial retainers for coated electromagnetic rotor

1989-12-01

1991-02-26

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 42, 29598, H02K 1502, F16B 200

Patent

active

049964569

ABSTRACT:
A rotor for an electric motor comprises a shaft having a laminated armature stack mounted thereon. A collar is fitted on the shaft at each end of the stack, and an epoxy resin coating coats the stack and bonds the collar to the shaft to fix the stack in position on the shaft. The collar may be formed by a cylinder which is split along its length and has an internal diameter equal to, or slightly less than the shaft diameter, so as to form a space between the shaft and collar and facilitate entry of the epoxy resin.

REFERENCES:
patent: 3844031 (1974-10-01), Stone et al.
patent: 4377762 (1983-03-01), Tatsumi et al.
patent: 4512681 (1985-04-01), Hayhurst et al.
patent: 4697114 (1987-09-01), Amemiya et al.

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