Combustion – Timer – programmer – retarder or condition responsive control – By combustion or combustion zone sensor
Patent
1982-06-10
1984-05-08
Barrett, Lee E.
Combustion
Timer, programmer, retarder or condition responsive control
By combustion or combustion zone sensor
204424, 204427, 422 62, 422 90, 422 98, 436 55, 436153, F23N 500
Patent
active
044472048
ABSTRACT:
A combustion control process and apparatus provides a reference flame of known or constant composition which is in ionic communication with the main flame which is to be controlled. Both the reference and main flames are supported by electrically insulated burner nozzles and the flames are in mutual electrical communication through ionized gases. The potential difference is measured between the flames by way of the nozzles and is used in the air-fuel ratio adjustment of the main burner. Additionally, the main burner can function as a reference point in combination with a zirconia oxygen sensor to ascertain potential differences therebetween, which differences reflect the air-fuel mixture of the main flame.
REFERENCES:
patent: 2437720 (1948-03-01), Ackley
patent: 2622967 (1952-12-01), Lobosco
patent: 3302685 (1967-02-01), Ono et al.
patent: 3718430 (1973-02-01), Fischer et al.
patent: 4014777 (1977-03-01), Brown
patent: 4125356 (1978-11-01), Ohashi et al.
patent: 4140475 (1979-02-01), Wolfe
Barrett Lee E.
Trempus T. R.
Westinghouse Electric Corp.
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