(57) Heat storing fireplace comprising a firebox (2) provided with a grate (1) and a combustion
space (3) above it, side channels (4,6) on both sides of the firebox and combustion
space, leading to a chimney flue, heat storing material (5) placed above the combustion
space, throat apertures (11,12) opening from the combustion space below the heat storing
material for passing the combustion gases into the side channels, and a circulation
channel (7) disposed around the heat storing material for passing hot gases around
it. The circulation channel (7) forms a combustion gas channel surrounding the heat
storing material (5) by its sides and top. In addition, the fireplace is provided
with at least one flow controller (8, 9, 10) for directing the combustion gases asymmetrically
into the side channels (4,6) so as to produce a circulating flow in a certain direction
in the circulation channel (7).
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