Patent · US Expired

Electromagnetically operated valve unit

US4193421A · kind A · utility

15Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 10, 1978
Grant dateMar 18, 1980
Priority date
Expiry dateMay 10, 1998

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/86759
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

In an electromagnetically operated valve unit, a moving-coil linear motor is associated with a flow regulating valve to linearly control the quantity of fluid flow in proportion to an input current applied thereto.

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