Patent attributes
An oven comprising a cooking chamber, a first tube having an inlet end associated with a heat source 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, and a second tube having an end associated with the heat source 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 oven may include additional tubes extending above the first and second tubes to deliver heat to other heights. The tubes may be aligned in a side-by-side manner and may be part of a tube assembly. The oven may further include oven racks disposed in the cooking chamber in a layered fashion corresponding to outlet openings of the tubes.