Stator of dynamo-electric machine

Details Stator of dynamo-electric machine Stator of dynamo-electric machine

1994-06-13

1996-12-10

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Rotary

310254, 310 42, H02K 112

Patent

active

055833870

ABSTRACT:
A stator of a dynamo-electric machine includes core pieces obtained by laminating iron plates divided in a circumferential direction per pole-tooth unit and having projecting and recessed engaging parts at their dividing faces, and then welding the iron plates by laser at their inner and outer peripheries. A winding part is formed around each pole-tooth unit of the core pieces. A predetermined number of the core pieces are bonded into the loop, with the projecting and recessed engaging parts engaged with each other and rigidly welded at outer peripheries of bonding faces by laser in a laminating direction.

REFERENCES:
patent: 1756672 (1930-04-01), Barr
patent: 5398397 (1995-03-01), Johnson

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