Method for manufacturing an impregnated wound foil capacitor

Details Method for manufacturing an impregnated wound foil capacitor Method for manufacturing an impregnated wound foil capacitor

1976-09-30

1978-09-05

Goldberg, E. A.

Metal working

Electric condenser making

Solid dielectric type

361314, 427 81, H01G 422

Patent

active

041108787

ABSTRACT:
A method for fabricating a wound type foil capacitor including the steps of forming a wound capacitor from two electrodes and a dielectric, the dielectric including at least one synthetic plastic foil, and heating the wound capacitor to a temperature corresponding to the shrinking temperature of at least one stretched foil. The stretched foil is adjacent to another foil, and the latter is at least shrunk to a lesser extent than the first foil within a shrinking range including that lesser extent up to a completely extended state. The wound capacitor is additionally maintained at the temperature corresponding to the shrinking temperature of the stretched foil until folds develop in the other foil, and then impregnated with an impregnating fluid.

REFERENCES:
patent: 3026457 (1962-03-01), Ruscito
patent: 3049651 (1962-08-01), Adelson
patent: 3648339 (1972-03-01), Preissinger

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