Patent · US Expired

Variable width apparatus for induction heating of moving workpieces

US4891484A · kind A · utility

45Cited by
4References
6Claims
0Family size

Assignees

Inventors

Key dates

Filing dateSep 9, 1988
Grant dateJan 2, 1990
Priority date
Expiry dateSep 9, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05B6/365
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

The apparatus comprises a pair of opposed coil assemblies between which a workpiece to be heated is moved, each coil assembly including a plurality of loop windings arranged generally in a plane parallel to the plane of movement of the workpiece between the coil assemblies, the windings being arranged in pairs with the windings in each pair being aligned transversely in the direction of movement of the workpiece, adjacent end portions of the windings of each pair being turned to extend substantially perpendicularly to the plane of the remainder of the windings and away from the plane of movement of the workpiece. The arrangement allows the width of the coil assemblies to be altered in dependence upon the width of a workpiece to be heated.

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