Heat Accumulator

FIG. 1 . 1 shows a perspective view of the heat accumulator showing the new design;

FIG. 1 . 2 shows a first side view of the heat accumulator in FIG. 1 ;

FIG. 1 . 3 shows a second side view of the heat accumulator in FIG. 1 . 1 rotated 180 degrees around the longitudinal axis compared to FIG. 2 ;

FIG. 1 . 4 shows a front view of the heat accumulator of FIG. 1 ;

FIG. 1 . 5 shows a rear view of the heat accumulator in FIG. 1 .

The broken lines shown in the drawings are for the purpose of illustrating portions of the heat accumulator that form no part of the claimed design.