Combustion control system

Details Combustion control system Combustion control system

1979-12-05

1983-07-19

Jones, Larry

Stoves and furnaces

Liquid heater

Fluid fuel burner for other than top-accessible vessel

237 8R, 236 15BR, 431 12, 126116A, F24H 100

Patent

active

043938582

ABSTRACT:
A combustion control system having incorporated therein an electronic circuit for driving and controlling a proportional control valve provided on a fuel supply line to control the amount of combustion and thereby maintain the temperature of fluid to be heated by combustion at a constant level even when the amount of the fluid varies per unit time. The output voltage of a bridge circuit including a sensor for detecting the temperature of the fluid as a component is fed to operation amplifiers for differentiating, integrating and proportional amplification to control the control valve with the resulting output. The system is best suited for use in instantaneous water heaters.

REFERENCES:
patent: 2736498 (1956-02-01), Brummerhoff
patent: 2874906 (1959-02-01), Nossen
patent: 3011709 (1961-12-01), Jacoby
patent: 3822039 (1974-07-01), Mori et al.
patent: 4033712 (1977-07-01), Morton
patent: 4108375 (1978-08-01), Keeney
patent: 4109639 (1978-08-01), Keegan
patent: 4182484 (1980-01-01), Stanke et al.
patent: 4293027 (1981-10-01), Tepe et al.

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