Apparatus for processing an electrical apparatus

Coating apparatus – Control means responsive to a randomly occurring sensed...

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29 2542, 55 41, 55 43, 118 50, 118712, 118713, 427 79, 427 81, 427294, H01G 1304

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042364841

ABSTRACT:
An apparatus for processing an electrical apparatus, such as a capacitor, containing a polymeric dielectric material. The interior of the capacitor casing, which is at room temperature, is initially connected to a vacuum source to evacuate the interior of the casing and when a vacuum sensing unit indicates that the required vacuum has been obtained, a degassed dielectric liquid is supplied to the interior of the casing. A positive pressure is applied to the liquid in the casing to fully impregnate the polymeric layer. When the desired capacitance is obtained, the impregnation is complete and the unit is sealed.

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patent: 3530561 (1970-09-01), Cox
patent: 3737961 (1973-06-01), Lapp et al.
patent: 3772578 (1973-11-01), George et al.
patent: 3831234 (1974-08-01), Lapp et al.

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