Device for controlling the air supply to a gas burner

Combustion – Timer – programmer – retarder or condition responsive control – By condition of burner feed or feed means

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Details

236 15BD, 431 12, G05D 1102

Patent

active

043963714

ABSTRACT:
A burner having an air intake at atmospheric pressure, a gas (fuel) supply line and a combustion chamber in which gas from the latter line burns in the presence of atmospheric air drawn in from the intake, is provided with a swingable or rotatable flap-type valve member which controls the volume rate of flow of the air to the combustion site. According to the invention, the position of the valve member is controlled by a parameter generated by the air stream and in response to the pressure in the gas supply line to maintain the air factor (ratio of air to gas) substantially constant. To this end a membrane type pressure detector responds to the pressure in the gas supply line and is connected by a mechanical force transmission mechanism to the flap or other valve element.

REFERENCES:
patent: 1814163 (1931-07-01), Irwin
patent: 1885433 (1932-11-01), Hall
patent: 1981602 (1934-11-01), Levey et al.

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