Squirrel cage rotor and method of making same

Details Squirrel cage rotor and method of making same Squirrel cage rotor and method of making same

1975-04-22

1977-12-20

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310265, H02K 306

Patent

active

040644103

ABSTRACT:
A rotor for use in a dynamo-electric machine comprising a shaft, a laminated magnetic core carried by the shaft, a plurality of arcuately spaced apart rotor bars carried by the core and having end portions protruding beyond the end laminations at opposite ends of the core, and a pair of end rings disposed at opposite ends of the core and joined to the protruding end portions of the rotor bars. The axially facing inner end surface of each end ring has a series of arcuately spaced radially extending channels formed therein with intervening arcuately spaced radially extending ribs defined therebetween, with the channels receiving the protruding end portions of the rotor bars therein, and with the ribs bearing tightly against the end laminations at opposite ends of the laminated core to maintain the laminated core in tightly compressed condition.

REFERENCES:
patent: 1433622 (1922-10-01), Johnson
patent: 2200126 (1940-05-01), Smith
patent: 2249339 (1941-05-01), Baudry
patent: 3027474 (1962-03-01), Rosenberry
patent: 3134040 (1964-05-01), Barth
patent: 3705971 (1972-12-01), Jacovides

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