Insulation structures for electrical inductive apparatus

Inductor devices – With temperature modifier – Ventilating passages

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336206, H01F 2708

Patent

active

041737474

ABSTRACT:
Insulation structures for use in the insulation space and with the phase barrier insulation of an electrical inductive apparatus. The insulation structures include at least one layer of spaced, vertically-extending spacer members which is surrounded on both sides by layers of electrical insulating sheet material. The insulation structures are disposed in movable relation with the adjacent windings and phase barrier insulation, thereby allowing relative movement between the windings and the insulation structures during a short circuit.

REFERENCES:
patent: 3302149 (1967-01-01), Forsha
patent: 3431524 (1969-03-01), Broverman
patent: 3750071 (1973-07-01), Eley
patent: 3939449 (1976-02-01), Boyd et al.

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