Patent · US Expired

Magnetic field generating device

US4818966A · kind A · utility

56Cited by
6References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 1988
Grant dateApr 4, 1989
Priority date
Expiry dateMar 28, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG01R33/383
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A magnetic field-generating device includes a pair of permanent magnet components disposed in such a manner as to face each other with a gap formed therebetween, a yoke for magnetically coupling the pair of permanent magnet components, and pole pieces which are each fixed to a surface of a corresponding permanent magnet component that faces the gap. The magnetic field generating device is adpated to generate a magnetic field in the gap. Each of the pole pieces is made of a laminate of magnetic plates which laminated in a direction substantially perpendicular to the sides of the solid care portion.

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