Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1974-03-05
1976-01-13
Skudy, R.
Electrical generator or motor structure
Dynamoelectric
Rotary
310 43, 310197, H02K 336
Patent
active
039327795
ABSTRACT:
A turbo-generator with a rotor winding includes a plurality of slots in which the rotor windings are inserted and a plurality of slot wedges, at least two slot wedges lying in each slot on the outside of the winding and being electrically connected with each other. A plurality of relatively thin pressure tubes of a deformable material such as copper are positioned in the slots between the wedges and the windings. Thereafter, the pressure tubes are supplied with a thermosetting resin through feed tubes, the resin being supplied at a sufficient pressure and in a sufficient amount to produce an expansion of the space within the tube by at least 50 per cent. The feed tube is then subjected to heat in a localized area, thus accelerating the curing of the resin in this area of the tube and forming a plug, after which the supply of pressure to the pressure tube is disconnected. After the resin in the pressure tube has hardened, the feed tube is removed.
REFERENCES:
patent: 2465296 (1949-03-01), Swiss
patent: 2750523 (1956-06-01), Wiedemann
patent: 2858462 (1958-10-01), Knaus
patent: 3444407 (1969-05-01), Yates
patent: 3562569 (1971-02-01), Koechlin
patent: 3624432 (1971-12-01), Mertz
Allmanna Svenska Elektriska Aktiebolaget
Skudy R.
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