Automatic control system

Details Automatic control system Automatic control system

1975-03-27

1977-01-18

Sprague, Kenneth W.

Liquid heaters and vaporizers

Automatic control of fluid fuel and water

Once through

236 14, F23N 300

Patent

active

040033422

ABSTRACT:
This invention is an automatic control system, for example, for controlling the burner in a boiler in accordance with changes in the desired or actual steam demand and the invention is an improvement on the subject of British Patent Specification No. 1084671 which was for one system for automatically adjusting the air and fuel supplies in accordance with changes in the measured steam pressure or the demanded steam pressure.

REFERENCES:
patent: 2870729 (1959-01-01), Shannon et al.
patent: 2895056 (1959-07-01), Bristol
patent: 3284615 (1966-11-01), Yetter
patent: 3285711 (1966-11-01), Stanford
patent: 3300133 (1967-01-01), Dines
patent: 3415232 (1968-12-01), Garrett, Jr. et al.
patent: 3616997 (1971-11-01), Oldenburg
patent: 3899099 (1975-08-01), Oiestad

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