Locking structure for rotor end winding of a distributed polar e

Details Locking structure for rotor end winding of a distributed polar e Locking structure for rotor end winding of a distributed polar e

1979-04-26

1982-02-16

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310214, H02K 346

Patent

active

043161146

ABSTRACT:
A locking structure for the rotor end winding of a distributed polar electric machine comprises a retaining ring embracing the rotor end winding and fixed on the rotor body by a shrink fit, and a locking ring preventing the retaining ring from axial shift with respect to the rotor body. The locking ring embraces both the retaining ring and the rotor body within their connection area and is secured firmly against radial shift with respect to both of them by the shrink fit. Said locking ring has bayonet joint portions on its inner surface at one of the end faces thereof, and has a bead at its other end face, serving as a thrust for a ring key. Mating portions of the bayonet joint are provided on the outer surface of the retaining ring, while the ring key is located on the rotor body.

REFERENCES:
patent: 3075104 (1963-01-01), Willyoung
patent: 3476966 (1969-11-01), Willyoung
patent: 4091301 (1978-05-01), Blank

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