F - Mech Eng,Light,Heat,Weapons – 24 – F
Patent
F - Mech Eng,Light,Heat,Weapons
24
F
F24F 7/06 (2006.01)
Patent
CA 2637807
Air turnover in a space achieved by a paddle fan having a plurality of blades is significantly increased by mounting an assembly radially outward from the blades. The assembly has a generally vertical shroud that is substantially impervious to air flow and a directing grid attached to the shroud at a lower end thereof. The directing grid has a plurality of intersecting members to reduce cross-sectional flow area and induce laminar air flow therethrough.
Selon la présente invention, le brassage d~air dans un espace obtenu par un ventilateur à pales muni d~une pluralité de pales est sensiblement amélioré par montage d~un ensemble disposé radialement à l~extérieur des pales. L~ensemble comprend un carénage généralement vertical qui est sensiblement étanche au passage d~air et une grille de direction fixée à une extrémité inférieure du carénage. La grille de direction comporte une pluralité d~éléments entrecroisés pour réduire une section d~écoulement et produire un flux laminaire interne.
Anchors Tony
Macpherson Leslie & Tyerman Llp
LandOfFree
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