Device for bracing a stator winding disposed in the air gap of a

Details Device for bracing a stator winding disposed in the air gap of a Device for bracing a stator winding disposed in the air gap of a

1977-07-20

1979-12-18

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 348

Patent

active

041796357

ABSTRACT:
Device for bracing a stator winding disposed in the air gap of a synchronous generator and inserted into radially inwardly opening slots formed in a hollow cylindrical holding member of non-magnetic steel received in a central bore formed in a stator lamination stack and radially supported by an inner hollow cylinder formed of synthetic material, the holding member and the hollow cylinder being subdivided axially in accordance with the stator lamination stack for forming radial cooling slots, the improvement therein including the sections of the hollow cylinder being centered at the teeth disposed between the slots formed in the holding member and being flattened in vicinity of the individual winding slots, and including wedges of insulating material extending in axial direction of the generator in sections according to the axial subdivision and disposed between the hollow cylindrical sections and the radially inner winding bars of each slot.

REFERENCES:
patent: 2809310 (1957-10-01), Dunn
patent: 2961716 (1960-11-01), Luenberger
patent: 3158770 (1964-11-01), Coggeshall
patent: 3243622 (1966-03-01), Whittlesey
patent: 3330977 (1967-07-01), Balke
patent: 3560776 (1971-02-01), Kildishev
patent: 3949255 (1976-04-01), Brown
patent: 4063122 (1977-12-01), Kullmann

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