| 摘要 |
<p>The apparatus i.e. closed hearth fireplace (1), has an air supply regulating device including a closing unit provided with a disk (12) that is rotatable around an axis (X8) corresponding to a longitudinal axis of a disk control shaft (8). The disk is inserted in a cylindrical cup (6) provided with a chute (13) and an oval orifice (20) that correspond to a mouthpiece (21) of an air pipe (22) and another mouthpiece of another air pipe (15), respectively. The air pipes supply air to a lower part and an upper part (17) of a combustion zone (Z), respectively.</p> |
