| 摘要 |
A fireplace heat generating system includes a plurality of conduits which cooperate to define a grate for seating logs or other combustible material there atop. The conduits are in communication with a heat deflector or shield at the base thereof. Discharge or heat issuing conduits or other suitable conveyances are disposed at the top of the shield and are in fluid communication with the shield. Intermediate discharge or heat issuing conduits are disposed between the upper discharge conduits and the grate conduits. The intermediate conduits are disposed in fluid communication with the deflector at one end thereof and are pivotal about the one end so as to be adapted to rest on and follow the top of the pile of combustible material seated on the grate downward as the combustible material is consumed. According to the present invention, cold air is transported through the device via the grate conduits whereat it is heated and transported through the deflector and exits out of the discharge conduits. A hollow container having an aperture therein in communication with an air duct is disposed within an ash dump in the fireplace. A retractable door is carried by the container for selectively blocking or opening the aperture in the container to prohibit or permit entry of air into the fireplace.
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