Transformer with improved insulator

Details Transformer with improved insulator Transformer with improved insulator

1977-07-28

1978-06-13

Kozma, Thomas J.

Inductor devices

With outer casing or housing

Internal inductor support

174 25R, 174110PM, 336 94, 336206, H01C 2732

Patent

active

040952053

ABSTRACT:
Electrical apparatus having certain portions thereof insulated with solid insulating structures. The solid insulating structures include a predetermined thickness of polyethylene terephthalate film which is surrounded on each of its major outer surfaces by a layer of paper having a fibrous web formed of wholly aromatic polyamide fibers.

REFERENCES:
patent: 2777009 (1957-01-01), Whitman
patent: 2845472 (1958-07-01), Narbut
patent: 3194872 (1965-07-01), Garner
patent: 3374453 (1968-03-01), Broverman et al.
patent: 3427394 (1969-02-01), McKean
patent: 3585552 (1971-06-01), Feather
patent: 3594489 (1971-07-01), Katz
patent: 3773965 (1973-11-01), Reynolds
patent: 3959549 (1976-05-01), Penczynski et al.

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