F - Mech Eng,Light,Heat,Weapons – 24 – B
Patent
F - Mech Eng,Light,Heat,Weapons
24
B
126/96
F24B 7/04 (2006.01) F24B 1/188 (2006.01) F24B 1/19 (2006.01)
Patent
CA 1191059
ABSTRACT OF THE DISCLOSURE An improved double walled prefabricated fireplace apparatus insertable into a pre-existing masonry fireplace in a building for heating a room. The apparatus is provided with an air manifold within the apparatus adjacent the combustion cham- ber and having opposite mutually spaced walls through one of which an inlet for room air is provided and through the other of which an inlet for fresh outside air is provided. The manifold is further provided with an outlet for enabling air to flow to the air heating chamber between the double walls. A manually adjustable air flow control means is provided slidable within the manifold between two positions, one blocking the flow of air through the room air inlet and leaving open the fresh air inlet, and the other blocking the flow of air through the fresh air inlet and leaving open the room air inlet. The air flow control means is of a size and construction to permit, when air enters the manifold through either of the inlets, that air to flow to the air outlet to the air heating chamber. The manifold is preferably also provided with an outlet which communicates with the combustion chamber, which outlet manually adjustable independently from the air flow control means for the manifold air inlets, when open permitting flow of air from the manifold to the combustion chamber and when closed preventing such flow. This apparatus permits controlled direction of cold room air or fresh outside air to its air heating chamber and then to the room, and/or controlled direction of such air to the combustion chamber.
454200
Onward Hardware Limited Through Its Division Onward Industries
Ridout & Maybee Llp
LandOfFree
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