Dynamo-electric machines

Details Dynamo-electric machines Dynamo-electric machines

1974-12-12

1977-03-01

Skudy, R.

Electrical generator or motor structure

Dynamoelectric

Rotary

310 43, 310262, H02K 132

Patent

active

040103935

ABSTRACT:
A rotor of a dynamo-electric machine having the conductors of the rotor winding constrained against the effects of centrifugal force by a plurality of annular members which encircle the conductors at spaced positions along the body of the rotor and are prestressed to clamp the conductors to the rotor so that no further stretching of the annular members occurs at the maximum speed of the rotor. Preferably the annular members are prestressed in situ on the rotor by expansible devices interposed between the annular members and the conductors of the rotor winding. One form of expansible device comprises an inflatable bag into which is pumped synthetic resin under pressure, the resin being cured so that it becomes solid while in the pressurized condition.

REFERENCES:
patent: 2340905 (1944-02-01), Sigmund
patent: 2432436 (1947-12-01), Morrill
patent: 2750523 (1956-06-01), Wiedmann
patent: 2896100 (1959-07-01), Axelson
patent: 3171999 (1965-03-01), Kemp
patent: 3189769 (1965-06-01), Willyoung
patent: 3246187 (1966-04-01), Iemura
patent: 3388458 (1968-06-01), Logan
patent: 3588560 (1971-06-01), Akselsen
patent: 3621315 (1971-11-01), Dalmo
patent: 3683220 (1972-08-01), Konovalov
patent: 3814959 (1974-06-01), Lehuen

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