Patent · US Expired

Toroidal transformer insulation preforms

US5488344A · kind A · utility

9Cited by
14References
25Claims
0Family size

Inventors

Key dates

Filing dateNov 3, 1992
Grant dateJan 30, 1996
Priority date
Expiry dateNov 3, 2012

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F27/324
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

Insulation tubing (66) having adjustable dimensions is disclosed. The insulation tubing has an outer tubular wall that defines a central opening for receiving the core (4) and windings (8) of a partially assembled toroidal transformer. The wall is formed by preformed sections (44, 62) of electrical insulating material (10-20). The preformed sections have overlapping surfaces that are slidably positioned relative to one another. In this way, the extent of the surfaces that overlap can be changed to alter the size of the opening such that conductive windings (8) of various sizes and configurations can be accommodated.

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