F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 7/02 (2006.01) F24F 13/06 (2006.01)
Patent
CA 2167041
A static ventilator for ventilating the attic of a building comprises a generally vertical duct section with an open lower end and at least one vent opening in the upper portion thereof. A set of generally vertical air conduits are mounted externally of the duct section, wherein the conduits are disposed radially with respect both to each other and to the duct section, each conduit means has a lower mouth and an upper end communicating with the vent opening, the respective heights of the lower mouths reduce from one conduit to the other as the distance from the duct section reduces, and the conduits have, between their lower mouth and upper end, respective lengths which increase from one conduit to the other as the distance from the duct section reduces. Finally, the static ventilator comprises a top wall. Each conduit comprises an inner wall face opposite to the duct section and provided with upper and lower deflectors for preventing liquid and/or solid foreign matter from entering the duct section. The static ventilator may comprise two diametrically opposite sets of generally vertical air conduits. Alternatively, each conduit is annular in horizontal cross section and encircles the duct section.
Goudreau Gage Dubuc
Savoie Murphy B.
LandOfFree
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