Electrical generator or motor structure – Dynamoelectric – Rotary
Patent
1981-07-16
1983-03-15
Dixon, Jr., William R.
Electrical generator or motor structure
Dynamoelectric
Rotary
336209, 4284735, 428216, H01H 8522, H02K 3041
Patent
active
043769047
ABSTRACT:
An electromagnet coil comprises a plurality of turns, including a pair of end turns having distal sections wrapped in first and second overlapping layers of fluorinated ethylene propylene (FEP) resin-coated polyimide tape. Conforming laminae of FEP resin-impregnated glass cloth are inserted between and bonded to adjacent turns of the coil. The entire coil is wrapped in at least two overlapping layers of the aforesaid tape, with the inner layer being bonded to the surface of the coil turns that it covers and the respectively adjoining layers of tape being bonded to each other. The resulting product has a thin, uniform coating of impervious electrical insulation characterized by improved heat transfer capability and improved stability at high temperatures.
REFERENCES:
patent: 3662199 (1972-05-01), Anderson et al.
patent: 3735168 (1973-05-01), Anderson et al.
patent: 3770566 (1973-11-01), Gerow et al.
patent: 3791909 (1974-02-01), McKee
patent: 4304818 (1981-12-01), Hirata et al.
Dixon Jr. William R.
General Electric Company
Richardson, Jr. Albert S.
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