Dry mica tape and insulation coils manufactured therewith
US8669473B2 · kind B2 · utility
2Cited by
29References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2011 |
| Grant date | Mar 11, 2014 |
| Priority date | — |
| Expiry date | Aug 19, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/287
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A dry mica tape includes a base material, a binder resin layer A formed on the base material and including an epoxy resin and an accelerator, a mica paper layer formed in contact with the binder resin layer A, and a binder resin layer B formed in contact with the mica paper layer, including an epoxy resin, and providing a cured resin with a higher glass transition point than that of a cured resin of an impregnating varnish only by reacting with an impregnating varnish including an epoxy resin impregnated into the dry mica tape wound around a conductor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.