Patent ID: 7677240

Claim:
An oven for cooking food products comprising: (a) a cooking chamber having a lower area; (b) a heat source disposed within the lower area of the cooking chamber; (c) a first tube having an inlet end associated with the heat source and disposed within the lower area and defining an outlet opening disposed within the cooking chamber for delivering heat from the heat source through the outlet opening of the first tube to a first area of the cooking chamber, the first tube having a length extending substantially vertically from the lower area to the outlet opening of the first tube for delivering heat from the heat source through the outlet opening of the first tube; and (d) a second tube having an inlet end associated with the heat source and disposed within the lower area and defining an outlet opening disposed within the cooking chamber for delivering heat from the heat source through the outlet opening of the second tube to a second area of the cooking chamber, the outlet opening of the second tube disposed above the outlet opening of the first tube, the second tube having a length extending substantially vertically from the lower area to the outlet opening of the second tube for delivering heat from the heat source through the outlet opening of the second tube, the length of the second tube being greater than the length of the first tube.