| 摘要 |
The present invention relates to a heat-generating arrangement which includes a fuel element holder (2), a combustion chamber (6), and a casing (7) which surrounds the combustion chamber either completely or partially, wherewith the holder (2) can be placed in a lower space (6a) in the combustion chamber (6) and the casing is constructed to form one or more air passageways (8, 9) between the outer surface (6') of the fuel chamber and the inner surface (7') of the casing, and wherein the arrangement includes upwardly extending air passageway. The combustion chamber (6) is extended upwardly by means of an upwardly tapering combustion-chamber funnel (6b) which includes in its upper part one or more apertures (62) for releasing air heated in the combustion chamber (6) in mixture with combustion gases generated by the combustion of said fuel element or elements (3). The upper part of said casing (7) is provided with one or more apertures for releasing air flows (11) heated in the air passageways (8, 9) and in the combustion chamber (6) and the combustion-chamber funnel (6b). |
