Patent · US Expired

Control valve apparatus

US4505300A · kind A · utility

5Cited by
15References
3Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 1, 1983
Grant dateMar 19, 1985
Priority date
Expiry dateJul 1, 2003

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T137/88038
  • WIPO fieldMechanical elements
  • WIPO sectorMechanical engineering

Abstract

A control valve apparatus has an in line ON/OFF valve and an ON/OFF and modulating valve made by placing actuator members in a non-magnetic material tube and surrounding the tube with electromagnetic coils and an iron casing. Openings at each end provide for connections to a gas supply and an outlet for an appliance.

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