| 摘要 |
This CIP titled "Residential Fireplace Insert System Improvements" involves an improvement in the efficiency of the slide-in "Residential Woodburning Fireplace Insert System", formerly application Ser. No. 11/507,343 filed Aug. 21, 2006, (now Pat. No. 7,509,954) wherein the heat output and fuel consumption are improved by controllably shutting off free air flow into the the combustion chamber by using a framed panel of heat-tolerant plastic film (as an alternate to using the glass doors) at the surround door location, then controlling the generated heat and fuel combination by carefully injecting just the proper ratio of the oxygen-to-fuel necessary for controlling both the heat output rate and fuel consumption parameters which include soot and creosote control improvements.
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