Electrically insulated coil
US4400676A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Dec 2, 1980 |
| Grant date | Aug 23, 1983 |
| Priority date | — |
| Expiry date | Dec 2, 2000 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31663
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.