Combustion – Timer – programmer – retarder or condition responsive control – By sensing of gas leakage – flashback or escaped flame
Patent
1997-03-19
1999-07-06
Yeung, James C.
Combustion
Timer, programmer, retarder or condition responsive control
By sensing of gas leakage, flashback or escaped flame
431 76, 431 78, 431 90, 126116R, F23N 524
Patent
active
059190353
ABSTRACT:
In a cross flow type burner apparatus, a burner is provided to which a gaseous fuel and air are supplied by a blower. An air reduction member is provided to reduce an amount of air supplied to specified flame holes of the burner wherein the reduced amount of air is less than the amount of air supplied to the other flame holes. A temperature sensor is provided to detect the burning condition of flames built up on the specified flame holes. A safety member is activated depending on an output generated from the temperature sensor.
REFERENCES:
patent: 3295585 (1967-01-01), Kovich, Jr. et al.
patent: 3610792 (1971-10-01), Risse
patent: 3918880 (1975-11-01), Risse
patent: 4221557 (1980-09-01), Jalics
patent: 4358265 (1982-11-01), Tanaka
patent: 4396369 (1983-08-01), Kaessmann
"American National Standard/National Standard of Canada for Gas-Fired Central Furnaces"; (ANSI Z21.47-1993, CAN/CGA-2.3-M93); May 26, 1993; American National Standards Institute, Inc. & Mar. 31, 1993; Standards Council of Canada; pp. 48-63.
Iwama Yuji
Kanda Akira
Rinnai Kabushiki Kaisha
Yeung James C.
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