Patent · US Expired

Electromagnetic proportional valves

US4682629A · kind A · utility

2Cited by
6References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 23, 1986
Grant dateJul 28, 1987
Priority date
Expiry dateJun 23, 2006

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86815
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

An electromagnetic proportioning valve is provided having two coils and an armature which can be displaced by either coil in one of two possible directions, in which case a seat valve on whose valve bodies the magnetic force generated in the armature acts, is located on each side of the armature.

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