(57) Chimney cap (1) for the flow of smoke and residual combustion products from a flue
(100) towards the outside, comprising: a top cover member (2), vertically spaced from
the outlet (101) for smoke and residual combustion products and having a cover member
(2) apt to divert descensional air currents so as not to have them entering the flue
(100); and a defluxion member (3), located at the flue (100), below the cover member
(2), and apt to outlet smoke and combustion residual products therethrough, said defluxion
member (3) being apt to divert ascensional air currents so as not to have them entering
the flue (100), in which the overall arrangement is such that each (20, 30) of the
cover (2) and defluxion (3) members is apt to divert the descensional and ascensional
air currents, respectively, so that the latter do not interfere with the other member
(2, 3) (Figure 2).
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