Direct vent gas fireplace assembly

Details Direct vent gas fireplace assembly Direct vent gas fireplace assembly

F - Mech Eng,Light,Heat,Weapons

24

C

F24C 3/00 (2006.01) F24B 1/18 (2006.01) F24C 15/30 (2006.01) F24C 15/32 (2006.01)

Patent

CA 2070072

A direct vent gas fireplace has a firebox surrounded by an enclosure. The enclosure has an inclined surface between the top, rear and sides. The surface is inclined at approximately 45 degrees and has an exhaust opening. The firebox has an inclined surface parallel to the inclined panel and has an aperture in each side of the firebox. A duct connects each of the apertures to the exhaust opening. A heat exchanger lies between the inclined surfaces in line with the duct. The surface has a gap in it which connects through an air combustion conduit to the bottom of the firebox. The conduit may be pre-formed. An angle adaptor has an inner cap over the exhaust opening and an outer cap over the inner cap and the gap. The adaptor may be mounted vertically or horizontally. Alternatively, an inclined plate may be placed over the inclined surface with a hole concentric with the opening and of greater area. A first wall of a double walled vent duct may enclose the opening, while the second wall encloses the hole.

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