A fan

F - Mech Eng,Light,Heat,Weapons – 04 – D

Patent

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Details

F04D 25/08 (2006.01) F04D 33/00 (2006.01)

Patent

CA 2698489

A fan assembly for creating an air current is described. There is provided a bladeless fan assembly (100) comprising a nozzle (1) and means for creating an air flow through the nozzle (1). The nozzle (1) comprises an interior passage (10), a mouth (12) for receiving the air flow from the interior passage (10), and a Coanda surface (14) located adjacent the mouth (12) and over which the mouth (12) is arranged to direct the air flow. The fan provides an arrangement producing an air current and a flow of cooling air created without requiring a bladed fan i.e. air flow is created by a bladeless fan.

L'invention porte sur un ensemble ventilateur destiné à créer un courant d'air. L'ensemble ventilateur de l'invention (100) est dépourvu de pales et comprend une buse (1) et des moyens qui permettent de créer un flux d'air à travers la buse (1). La buse (1) comprend un passage interne (10), une bouche (12) destinée à recevoir le flux d'air en provenance du passage interne (10) et une surface de Coanda (10) située adjacente à la bouche (12) et par-dessus laquelle la bouche (12) est agencée pour diriger le flux d'air. Le ventilateur sans pales précité constitue un mécanisme qui permet de produire un courant d'air et un flux d'air de refroidissement sans devoir recourir à un ventilateur à pales.

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