Squirrel-cage induction motor

Details Squirrel-cage induction motor Squirrel-cage induction motor

1984-07-26

1985-12-31

Skudy, R.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318821, 310 68B, 310 72, 310211, H02P 740

Patent

active

045623970

ABSTRACT:
A squirrel-cage induction motor comprises a stator having a stator core and stator windings divided into first and second coils with different numbers of poles, and a squirrel-cage rotor including a rotor core and a plurality of rotor conductors embedded in the vicinity of the surface of the core. The number of the rotor conductors is the same as the average number of poles of the first and second stator coils, which conductors are arranged equidistantly along the periphery. This induction motor, with the construction of a squirrel-cage rotor, permits a variable speed operation without using any special device.

REFERENCES:
patent: 1050445 (1913-01-01), Fynn
patent: 2704345 (1955-03-01), Jensen
patent: 2773202 (1956-12-01), Jacobs
patent: 2828457 (1958-03-01), Noodleman
patent: 2935673 (1960-05-01), Herold
patent: 3027474 (1962-03-01), Rosenberry
patent: 3676764 (1972-07-01), Syverson
patent: 4371802 (1983-02-01), Morrill
patent: 4442368 (1984-04-01), Kupisiewitz

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