Rotor of an electric machine

Details Rotor of an electric machine Rotor of an electric machine

1988-09-06

1989-09-05

Salce, Patrick R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310270, 310214, 310198, 29598, H02K 900

Patent

active

048641715

ABSTRACT:
The end turn portions of the saddle-shaped coils of a superconducting field winding in the rotor of an electric machine are clamped in an axial direction by a wedge device positioned in an annular recess between its wall and the nearest end turn portion. The wedge device comprises two rings mounted coaxially with the recess and having their sides facing each other bevelled so that the distance therebetween increases toward the axis of the rings. These sides are provided with radial depressions. Bolts with heads tapering toward the threaded portions are positioned in the depressions. When the bolts are radially shifted the rings are forced apart thus pressing the end turn portions one to another and to the wall of the recess.

REFERENCES:
patent: 3952406 (1976-04-01), Madsen
patent: 3991333 (1976-11-01), Laskaris
patent: 4037312 (1977-07-01), Deis
patent: 4385248 (1983-05-01), Laskaris
patent: 4442369 (1984-04-01), Okamoto
patent: 4658170 (1987-04-01), Ueda

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