Short-circuiting rings for dynamoelectric machine

Details Short-circuiting rings for dynamoelectric machine Short-circuiting rings for dynamoelectric machine

1974-09-30

1976-10-19

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310197, 310217, 310258, H02K 112

Patent

active

039873250

ABSTRACT:
A dynamoelectric machine, having a laminated stator core and having low impedance short-circuiting rings positioned between end flanges to minimize voltage differences between key bars. Circumferentially spaced key bars are used to effect assembly of the laminations and the end flanges. Circumferentially aligned recesses are formed in the key bars spaced inwardly from the end flanges, and each short-circuiting ring is positioned within aligned recesses. The short-circuiting rings comprise a plurality of arcuate ring segments and are formed of a material of high conductivity. Bolts secure the segments to the key bars.

REFERENCES:
patent: 1689503 (1928-10-01), Savage
patent: 1784643 (1930-12-01), Reist
patent: 1898489 (1933-02-01), Kieffer
patent: 2781465 (1957-02-01), Schuff
patent: 3238404 (1966-03-01), Spiess
patent: 3290526 (1966-12-01), Wren et al.
patent: 3826940 (1974-07-01), McKean

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