| 摘要 |
A radiant heater for burning firewood and the like to heat a living space such as a mobile home or house including an enclosure with a combustion compartment for the burning of the firewood placed in the combustion compartment, a flue pipe positioned outside the living space, an exhaust pipe extending through a wall of the living space and connecting the combustion compartment with the flue pipe, an outside air inlet having an opening to the outside wall surrounding the portion of the exhaust pipe extending through the wall to permit the exterior air coming through the inlet to cool the exhaust pipe and prevent overheating of the wall adjacent the exhaust pipe, an air passageway connecting the air inlet compartment with the combustion chamber, a thermostatically controlled damper in the passageway to control the rate of flow of air to the combustion compartment to achieve a desired heat output thereby providing a thermostatically controlled wood burning radiant heater which utilizes only outside air and automatic cooling of the exhaust pipe extending through a wall to prevent overheating of the wall.
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