Squirrel-cage rotor structure for an asynchronous electrical mot

Details Squirrel-cage rotor structure for an asynchronous electrical mot Squirrel-cage rotor structure for an asynchronous electrical mot

1976-06-29

1981-02-03

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310211, 310270, H02K 320

Patent

active

042490987

ABSTRACT:
A rotor component of an asynchronous electrical motor of the squirrel-cage type comprises a cylindrical array of circumferentially spaced short-circuited conductor bars having the opposite end portions thereof seated in corresponding circular grooves provided in the surfaces of annular conductive end rings. The ends of the conductor bars are soldered to adjoining surface portions of the grooves by placing solder in the gaps between the bar ends and groove surfaces and directly heating only the end rings so as to bring them up to the working temperature for effecting the soldering operation. The end rings are heated up circumferentially in a section-by-section manner so that soldering of the conductor bar ends to the end rings also takes place in a section-by-section manner.

REFERENCES:
patent: 2350012 (1944-05-01), Brady
patent: 3134040 (1964-05-01), Barth
patent: 3705971 (1972-12-01), Jacouides
patent: 3793546 (1974-02-01), King
Herstellung der Wicklungen Elektrischer Maschinen; H. Sequenz; Springer-Verlag; Vienna-New York; 1973.

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