Grate assembly for supporting combustible wood pellets

Abstract

A grate assembly is provided for at least partially supporting a pile of a plurality of combustible wood pellets. The grate assembly includes a plurality of elongate members positioned to at least partially support the pile of wood pellets. Each of the members has a body with a passage extending through the length of the body and a plurality of transverse holes in communication with the passage to permit movement of combustion gases through the pile during combustion of the wood pellets. The members are spaced apart from each other in a predetermined arrangement to permit movement of the combustion gases through the pile during combustion of the wood pellets. Also, the predetermined arrangement has at least two layers positioned adjacent to each other in a stacked relationship. Each layer has a plurality of members positioned transverse to the members of each layer adjacent thereto.

Dependencies are inferred from the claim text.