초록 ▼

A self-clean oven having means for passing cooling air over the heated walls of the oven and further having means for supplying combustion air by normal inspiration to the oven burners independently of the flow of cooling air, and having still further means for mixing hot combustion products exhaust

A self-clean oven having means for passing cooling air over the heated walls of the oven and further having means for supplying combustion air by normal inspiration to the oven burners independently of the flow of cooling air, and having still further means for mixing hot combustion products exhausted from the interior of the oven with exhausted cooling air to prevent passage of excessively hot air into the atmosphere.

대표청구항 ▼

An oven comprising the combination of an oven compartment having top, bottom, back and side walls, a first burner in the oven compartment, an air chamber enclosing said top, bottom, back and side walls of the oven compartment, said air chamber having entrance opening at the front of the oven below t

An oven comprising the combination of an oven compartment having top, bottom, back and side walls, a first burner in the oven compartment, an air chamber enclosing said top, bottom, back and side walls of the oven compartment, said air chamber having entrance opening at the front of the oven below the oven compartment and an exit aperture at the front of the oven above the oven compartment, an air cavity located beneath the oven compartment between the oven compartment and adjacent portions of said air chamber, said air cavity having apertured walls separating it from the adjacent portions of the air chamber, a burner box located between said bottom of said compartment and said air cavity, a second burner positioned in said burner box, a first duct located between said burner box and said air cavity, said first duct communicating with said burner box through a plurality of holes in the floor of said burner box for providing secondary combustion air to said second burner, a second duct located within said air chamber and extending from said entrance opening beneath said air cavity and upwardly along the back walls of said air cavity and compartment, said first and second burners extending into said second duct through respective apertures in said back wall of said compartment and the back wall of said burner box for receiving primary combustion air, said first duct communicating with said second duct for receiving said secondary combustion air, a plurality of blowers mounted on side walls of said air cavity for drawing in cooling air from said air chamber below said air cavity and for forcing said cooling air into said air chamber at the sides and back of said air cavity, said cooling air being substantially isolated from said primary and secondary air.