Temperature-compensated combustion control

Details Temperature-compensated combustion control Temperature-compensated combustion control

2006-05-23

2006-05-23

Price, Carl D. (Department: 3749)

Combustion

Process of combustion or burner operation

Controlling or proportioning feed

C431S019000, C431S089000, C431S090000, C431S075000

Reexamination Certificate

active

07048536

ABSTRACT:
The “fuel-air pressure ratio” combustion control system for maintaining a selected fuel-air ratio for a combustion apparatus supplied with air at a substantially constant volumetric rate is improved by means for adjusting the flow rate of fuel in relation to temperature fluctuations of the air. A temperature sensor positioned in the air stream before it mixes with the fuel is connected to a converter which transmits converted temperature signals from the sensor as adjustments of a remote control, secondary valve in the fuel line downstream of a primary valve regulating the flow of fuel. Fuel temperature fluctuations can also be converted into adjustments of the remote control, secondary valve.

REFERENCES:
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patent: 4498863 (1985-02-01), Hanson et al.
patent: 5486107 (1996-01-01), Bonne
patent: 5520533 (1996-05-01), Vrolijk
patent: 6533574 (2003-03-01), Pechoux
patent: 57-175813 (1982-10-01), None
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patent: 08-193715 (1996-07-01), None
patent: 08-261446 (1996-10-01), None
patent: 10-47654 (1998-02-01), None
patent: 10-176828 (1998-06-01), None
patent: WO 91/06809 (1991-05-01), None

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