发明名称 Rotating air draft fireplace
摘要 An enclosed fireplace of circular cross-section mounted on a pedestal in which air is drawn into the fire chamber from spaced vertical air intake tubes mounted about the periphery of the fire chamber. A free standing wood holder rests on the center of the fire chamber and is formed of spaced horizontal concentric rings joined to a plurality of vertical legs, each leg being in the shape of a flat vane. The legs are oriented so that each of the vanes extend in a common circular direction away from the external perimeter of the rings, at an angle to the radius of the rings at the juncture of the vanes to the rings so as to impart a rotational torque to draft air passing by said vanes into the interior of the rings. The rings are of a size to contain one or more pieces of firewood with each piece preferably oriented along its vertical axis. The air intake tubes are preferably joined to a common air intake that enters through the bottom of the fireplace pedestal.
申请公布号 US4332235(A) 申请公布日期 1982.06.01
申请号 US19800133210 申请日期 1980.03.24
申请人 HANNEBAUM, HAROLD W. 发明人 HANNEBAUM, HAROLD W.
分类号 F24B1/18;(IPC1-7):F24B1/18 主分类号 F24B1/18
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