Gas oven having flame switching

Details Gas oven having flame switching Gas oven having flame switching

1989-02-06

1990-06-05

Jones, Larry

Stoves and furnaces

Stoves

Cooking

126 41D, 126 39R, 126 39E, 99467, A47J 3700

Patent

active

049304895

ABSTRACT:
This invention is directed to a flame switchable gas burning device, adapted to be mounted or attached within the oven cavity of a gas stove, which provides an improved gas stove having control of the flame switching air and the convection cooking air. Such control is achieved by providing a shunt air path which may have one or more controlled dampers and a blower with variable and controllable speed. In another embodiment the combustion gases and the cooking air are kept separate by incorporation of a counterflow heat exchanger making the device indirect fired. In the indirect fired embodiment steam may be controllably introduced into the oven cavity to further speed the baking/cooking time. The improved gas oven can, within the one oven cavity, operate in the broil, bake, steam cook, and self-clean mode without the need for multiple burners or multiple oven cavities and without the need for manually operated baffles or dampers.

REFERENCES:
patent: 2413447 (1946-12-01), Greene
patent: 3090371 (1963-05-01), Davis
patent: 3624742 (1971-11-01), Hurko et al.
patent: 4336789 (1982-06-01), Ogawa
patent: 4506598 (1985-03-01), Meister
patent: 4598691 (1986-07-01), Herrelko et al.
patent: 4648377 (1987-03-01), Van Cany

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