Patent ID: 7634992

Claim:
An oven for cooking food, the oven comprising: an enclosure for receiving food to be heated and for containing a cooking atmosphere, the enclosure comprising two horizontal walls forming respectively a bottom wall and a top wall, interconnected by at least two vertical side walls, the enclosure being closed by at least one door that is likewise vertical, and communicating with the outside via an exhaust opening for exhausting gas inside the enclosure and at a pressure above atmospheric pressure; and a heater device for heating the cooking atmosphere; the oven being characterized by the fact that it comprises: a regulation chamber, filled at least in part with a liquid of volume adapted to vary between a high level and a low level, the regulation chamber communicating with the enclosure via an air inlet; an air admission duct which extends between a high end and a low end, the high end opening out outside the regulation chamber and the enclosure, and the low end being within the liquid in the regulation chamber when the level of the liquid corresponds substantially to its high level such that the low end is closed by contact with the liquid in the regulation chamber when the level of the liquid corresponds substantially to its high level; an evacuation chamber filled at least in part with a liquid of volume that is adapted to vary between a high level and a low level, said evacuation chamber communicating with the regulation chamber during oven cooking operations; and an evacuation tube extending between the exhaust opening and the evacuation chamber, the evacuation tube having a low end, a high end and an intermediate portion, the low end connected to the exhaust opening, the intermediate portion extending from the low end to the high end, and the a high end opening out into the evacuation chamber above the high and low liquid levels.