| 摘要 |
<p>Docket #613 A FIREPLACE STOVE ASSEMBLY The assembly is adapted for replaceable and operative installation within the opening of a standard fireplace. It comprises a combustion chamber and conduitry to accomodate ambient air entry into the chamber in a number of patterns and includes an arrangement for air preheating. Air is also heated by contact with the outside of the chamber and is expelled with mechanical assistance. Exhaust smoke is expelled through a baffle system in order to extract therefrom all useful heat.</p> |
