Patent · US Expired

Energy saving boiler purge sequence control

US4439140A · kind A · utility

4Cited by
4References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 29, 1982
Grant dateMar 27, 1984
Priority date
Expiry dateMar 29, 2002

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF23N2235/06
  • WIPO fieldThermal processes and apparatus
  • WIPO sectorMechanical engineering

Abstract

An improved boiler purge control in which purging air is forced into the boiler only after the damper is substantially in its high fire position.

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