Electrically insulated coil

Details Electrically insulated coil Electrically insulated coil

1980-12-02

1983-08-23

Robinson, Ellis P.

Inductor devices

Coil or coil turn supports or spacers

Coil turns cemented to support or embedded in plastic

174120SR, 336206, 428324, 428363, 428413, 428417, 428418, 428429, 428447, 428454, 528 16, 528 27, 528 92, H01F 2732, B32B 1900, B32B 2738

Patent

active

044006764

ABSTRACT:
An electrically insulated coil comprising a coil; and a mica tape wound around said coil and containing a resin composition; said resin composition including an epoxy resin, a curing catalyst consisting of an aluminum compound, and a curing accelerator selected from the group consisting of a silane compound having a hydroxyl group and a polysiloxane compound having a hydroxyl group, said curing catalyst being added in an amount of 0.1 to 5% by weight based on said epoxy resin, said curing accelerator being added in an amount of 0.1 to 10% by weight based on said epoxy resin, and said resin composition being cured by heating after said mica tape is wound around said coil.

REFERENCES:
patent: 3624032 (1971-11-01), Miyashiro
patent: 3926885 (1975-12-01), Keil
patent: 3971747 (1976-07-01), Bank
patent: 4013987 (1977-03-01), Foster
patent: 4082719 (1978-04-01), Liles
patent: 4239998 (1980-12-01), Hakamada
patent: 4244911 (1981-01-01), Ishizaka
patent: 4335367 (1982-06-01), Mitsui

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