Salient pole rotor with shielding rods between adjacent poles

Details Salient pole rotor with shielding rods between adjacent poles Salient pole rotor with shielding rods between adjacent poles

1979-09-20

1981-06-16

Budd, Mark O.

Electrical generator or motor structure

Dynamoelectric

Rotary

310262, H02K 124

Patent

active

042740274

ABSTRACT:
A rotor for electric rotating machines has a plurality of salient poles arranged in spaced relation in axial direction on the outer periphery of the rotor rim. Adjacent salient poles have opposed slots in the axial direction, into which a shielding member is fitted to bridge between said adjacent poles. The shielding member includes a plurality of rod members fitted over the entire length of said slots to extend across said opposed slots. While the rotor is running, the centrifugal force acts on each of said rod members thereby pressing the rod members against the outer periphery side wall of the slot. As a result, the centrifugal force is dispersed substantially uniformly over the entire length of the slot wall.

REFERENCES:
patent: 918498 (1909-04-01), Behrend
patent: 944303 (1911-06-01), Duvall
patent: 1262774 (1918-04-01), Gilman
patent: 1741262 (1929-12-01), Wait
patent: 2858462 (1958-10-01), Knaus
patent: 3106654 (1963-10-01), Wesolowski
patent: 3157806 (1964-11-01), Wiedeman

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