发明名称 Apparatus and method to increase the air flow in a fireplace
摘要 This invention relates generally to a fireplace having a firebox chamber exhausting upwardly to a chimney, a front opening and fuel positioned in the firebox chamber and more specifically to an easily removable cover apparatus for the upper portion of the front opening whereby air flowing through the front opening will predominately flow through the lower portion of the firebox which increases the air flow onto the fuel.
申请公布号 US2002083945(A1) 申请公布日期 2002.07.04
申请号 US20000749965 申请日期 2000.12.29
申请人 LYNN JOHN M.;ARMSTRONG FRANCES 发明人 LYNN JOHN M.;ARMSTRONG FRANCES
分类号 F24B1/19;F24B1/192;(IPC1-7):F24B1/192 主分类号 F24B1/19
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