Combustion device

Details Combustion device Combustion device

1996-01-23

1997-08-19

Dority, Carroll B.

Combustion

Timer, programmer, retarder or condition responsive control

By condition of burner feed or feed means

431 89, 431 31, 431 78, F23N 500

Patent

active

056581408

ABSTRACT:
A combustion of the present invention has a burner, a combustion fan supplying air to the burner, revolution rate detection means for detecting a revolution rate of the fan, and an air-flow rate sensor for detecting an air-flow rate of the air. The combustion device further has a temperature sensor for detecting a temperature at the combustion device and diagnosis means for performing a self-diagnosis to determine a ventilation condition based on a relationship between the revolution rate and the air-flow rate. The diagnostic means correct the detected revolution rate or the air-flow rate based on the temperature of the combustion device in the process of performing the self-diagnosis. The diagnosis means perform the self-diagnosis after a predetermined time has passed until there is no temperature variance in the combustion device since a combustion halts.

REFERENCES:
patent: 4436506 (1984-03-01), Berkhof
patent: 4752210 (1988-06-01), Trent
patent: 4913128 (1990-04-01), Adachi
patent: 4927351 (1990-05-01), Hagar et al.
patent: 5222888 (1993-06-01), Jones et al.
patent: 5520533 (1996-05-01), Vrolijk

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