Steamer gas oven

Details Steamer gas oven Steamer gas oven

1998-07-14

1999-12-14

Lazarus, Ira S.

Stoves and furnaces

Liquid heater

Steam chamber for food

126369, 126 201, 126360R, F22B 700, F22B 3726, A47J 2704

Patent

active

060003928

ABSTRACT:
A gas powered, pressureless steam cooker has a connector tube for ingress of steam into the cooking compartment so that entry of a low temperature, wet steam can be minimized. The connector tube has a small diameter to constrain the entry of steam into the cooker compartment until it has reached a minimum velocity. A water reservoir is located alongside the oven compartment to the rear of the cooker and an integrated heat exchange tube and firebox are located in the tank. This tube is generally U-shaped, a lower horizontal leg opening at a mouth outside the water reservoir. An inshot burner fires into the lower horizontal leg and combustion gas flow through the U tube giving up heat to water in the reservoir. Additional heat exchange surface may be provided by channels through an upper leg of the U-tube from side to side. Flow of combustion gases may be optimized by the shape of the U-tube and at least a deflecting surface between a vertical web of the U and the upper leg of the U.

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