Efficient, low emissions gas range cooktop

Details Efficient, low emissions gas range cooktop Efficient, low emissions gas range cooktop

1984-05-02

1986-02-11

Lyddane, William E.

Stoves and furnaces

Stoves

Cooking

126 39K, 126 39R, 431328, F24C 300, F23D 1312

Patent

active

045693285

ABSTRACT:
Disclosed is a gas-fired cooktop for a range which provides high thermal efficiency and low emissions of air pollutants, particularly low levels of NO.sub.x. The cooktop includes a perforated tile burner which radiates infrared energy upward at a high flux rate to rapidly quench burner gas temperatures and inhibit the formation of NO.sub.x. A perforated glass-ceramic jet plate positioned between the burner and a cooking vessel transmits most of the radiant infrared energy from the burner to the vessel and also forms jets of combustion products which are directed against the bottom of the vessel for convective heating. Thermal efficiencies of up to about 70 percent and NO.sub.x emissions as low as about 15 parts per million are achieved by the cooktop.

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Hurley, James R. et al., U.S. Appln. Ser. No. 463,782, filed Feb. 4, 1983, "Radiant/Jet Impingement Gas-Fired Cooking Kettle".
Shukla, K. C. et al., "Development of an Efficient Low NO.sub.x Domestic Gas Range Cooktop", Annual Technical Report, Nov. 14, 1983.
Raloff, Janet, "Cleaner Cooking with Gas", Science News, vol. 125, No. 2, Jan. 14, 1984, pp. 28-29, 31.

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