Patent · US Expired

Method of manufacturing an electrically insulated coil

US3991232A · kind A · utility

15Cited by
7References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 11, 1975
Grant dateNov 9, 1976
Priority date
Expiry dateMar 11, 1995

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01B19/02
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A method of manufacturing an electrically insulated coil having excellent insulation characteristics and high reliability using a vacuum-pressure impregnation process comprises the step of selectively effectively combining epoxy resins, curing agents and curing accelerators employed as a mica bonding agent and an impregnant.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.