| 摘要 |
A prefabricated fireplace construction for mobile homes comprises a firebox having an entranceway to a room, and an upstanding flue connected with the firebox for exhausting combustion gas to the outside atmosphere. A fluid duct has one end connected with the firebox, and the other end communicates with the outside atmosphere, whereby outside air is drawn by thermal siphoning through the duct into the firebox for supporting combustion therein, and substantially no inside air is drawn from the room by the flue.
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