Patent · US Expired

Transformer telephone influence tractor core shunt

US4656452A · kind A · utility

2Cited by
8References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 8, 1985
Grant dateApr 7, 1987
Priority date
Expiry dateNov 8, 2005

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F27/25
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A core shunt packet for reducing the telephone influence factor in a transformer of the type having a core formed from strips of magnetic material arranged in end-to-end relation forming a series of staggered gaps at one end of the core, the core shunt packets including one or more steel laminations mounted in an envelope, the envelope being mounted on the side of the core in a position to bridge the gap area on the core with a sheet of insulation located between the envelope and the side of the core.

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