Combustion – Timer – programmer – retarder or condition responsive control – Sensor of first burner controls second burner – e.g. – pilot...
Patent
1974-02-20
1976-05-04
Dority, Jr., Carroll B.
Combustion
Timer, programmer, retarder or condition responsive control
Sensor of first burner controls second burner, e.g., pilot...
733682, 236 99R, 431 58, F23Q 908
Patent
active
039543846
ABSTRACT:
A burner system employs a fuel control which supplies fuel flow to a pilot burner and a main burner and which energizes an electric igniter adjacent the pilot burner for igniting the pilot burner. A valve between the control and the main burner is opened when the pilot burner flame is sensed to allow passage of fuel to the main burner which is ignited by the pilot burner. The pilot burner flame is sensed by a bulb adjacent the pilot burner containing a charge of gas and an adsorbent carbonaceous material which is a decomposed compound of carbon and a non-carbon component wherein the non-carbon component has been removed leaving a porous structure with cavities of sufficient size to receive and adsorb the gas.
REFERENCES:
patent: 2426663 (1947-09-01), Bevins
patent: 2426663 (1947-09-01), Bevins
patent: 3258363 (1966-06-01), Lieb
patent: 3312397 (1967-04-01), Willson
patent: 3516791 (1970-06-01), Evans et al.
patent: 3575542 (1971-04-01), Branson
patent: 3692239 (1972-09-01), Genbauffe
patent: 3766783 (1973-10-01), Tortoso
patent: 3823345 (1974-07-01), Mitts
patent: 3843308 (1974-10-01), Graham et al.
Adsorption on Saran Charcoal by Jr. Dacy et al., in Trans Faraday Soc., Vol. 50, pp. 740-748 (1954).
Adsorption of Organic Vapours by Saran-Carbon Fibres and Powders - in Carbon (1970), Vol. 8, pp. 761-772.
Dority Jr. Carroll B.
O'Brien Anthony A.
Robertshaw Controls Company
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