Insulation of a coil used in electrical apparatus

Details Insulation of a coil used in electrical apparatus Insulation of a coil used in electrical apparatus

1985-01-23

1985-12-31

Cannon, James C.

Compositions: ceramic

Ceramic compositions

Fluorine containing

1062871, 106DIG3, 174110R, 174110S, 252567, 264 61, 310214, 310215, 428369, 428370, 428450, 501154, C04B 3332, C04B 3500, H01B 302, H02K 330

Patent

active

045621640

ABSTRACT:
A ceramic-like high temperature insulation for electrical coils is provided by mixing a silicone resin, synthetic fluoro-mica and a devitrified mica glass, impregnating an electrical coil with such material, curing the material and then treating the material to an elevated temperature about 300.degree. C. The elevated temperature treatment may be effected either prior to or during use of the coil.

REFERENCES:
patent: 2595730 (1952-05-01), Swiss et al.
patent: 2939399 (1960-06-01), Rutschi
patent: 3057741 (1962-10-01), Moore
patent: 3777198 (1973-12-01), Anderson et al.
patent: 3852137 (1974-12-01), Balke et al.
patent: 3870910 (1973-11-01), Fussner
patent: 4045241 (1977-08-01), Daimon et al.
patent: 4212914 (1980-07-01), Ponomareva
patent: 4275319 (1979-06-01), Davis

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