Stator construction

Details Stator construction Stator construction

1978-11-16

1980-12-02

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310179, 310194, 310201, 310271, H02K 348

Patent

active

042373980

ABSTRACT:
According to the invention, the stator of an electrical machine comprises a slotted core and a multilayer bar winding partially received in the core slots and partially accommodated in the air gap of the electrical machine. Interposed between the bars of the multilayer bar winding are spacers whose slots accommodate brace members enveloping each of the bars of the multilayer bar winding on its opposite sides. Each of the brace members is attched to two rollers, one of which is secured in a spring clip received in an axial slot of the stator core, and the other of which is accommodated in a threaded pin received, in turn, in a hole provided in an insulating wedge member. The invention improves the maintainability of the electrical machine, making it as easy to maintain as any conventional slotted machine. The invention also improves the space factor of the electrical machine's air gap and accounts for a better fastening of the multilayer bar winding of the machine's stator.

REFERENCES:
patent: 713603 (1902-11-01), Churchward
patent: 4068142 (1978-01-01), Gillet
patent: 4117362 (1978-09-01), Tsirkin

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