Patent · US Expired

Plunger armature magnetic arrangement

US5280873A · kind A · utility

8Cited by
3References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 14, 1993
Grant dateJan 25, 1994
Priority date
Expiry dateJan 14, 2013

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01F2007/1676
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

An electromagnetic valve assembly having a valve unit with a valve seat and a coil arrangement. An armature is slidably disposed in the bore of the coil arrangement. A yoke unit surrounding the coil arrangement is in two parts having cooperating longitudinally extending edges forming two axially extending air gaps on diametrically opposite sides of the yoke unit. End flange portions of the two parts of the yoke unit are cut to form articulated tabs which facilitate the forming of the flange end portions.

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