Patent · US Expired

AC Capacitor and impregnant therefor

US4449163A · kind A · utility

3Cited by
3References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 28, 1983
Grant dateMay 15, 1984
Priority date
Expiry dateFeb 28, 2003

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01B3/465
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An AC metallized film capacitor having a plurality of electrodes separated by a dielectric spacer contains a dielectric fluid and 2 to 10% of .alpha.-naphthyl isocyanate as impregnant system to scavenge moisture and to improve capacitance retention.

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