Patent ID: 7082942

Claim:
A wood burner comprising: a wrapper; a firebox positioned in said wrapper defining a combustion chamber therein, said firebox comprised of a lining including a lower refractory panel, a pair of side refractory panels, a rear refractory panel and an upper refractory panel, wherein said upper refractory panel includes an underside surface positioned toward said combustion chamber, said underside including a plurality of transverse ramps; and a manifold positioned above said upper refractory panel, said manifold including an inlet for receiving outside air, one or more manifold chambers defined within said manifold in which the temperature of the received air is elevated, and one or more manifold tubes positioned in said combustion chamber adjacent said underside surface, said one or more manifold tubes being in communication with a respective said one or more manifold chambers each having manifold tube apertures to conduct the heated air into said combustion chamber.