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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 2737373

A bladeless fan assembly (100) for creating an air current comprises a nozzle (1) mounted on a base (16) housing means for creating an air flow through the nozzle (1). The nozzle (1) comprises an interior passage (10) for receiving the air flow from the base (16) and a mouth (12) through which the air flow is emitted. The nozzle (1) extends about an axis to define an opening (2) through which air from outside the fan assembly (100) is drawn by the air flow emitted from the mouth (12). The nozzle (1) comprises a surface over which the mouth (12) is arranged to direct the air flow. The surface comprises a diffuser portion (46) tapering away from the axis, and a guide portion (48) downstream from the diffuser portion (46) and angled thereto.

Linvention concerne un ensemble ventilateur (100) sans pales destiné à créer un courant dair, qui comprend une buse (1) montée sur une base (16) dotée de moyens pour créer un écoulement dair à travers la buse (1). Ladite buse (1) comprend un passage intérieur (10) destiné à recevoir lécoulement dair provenant de la base (16) et une bouche (12) à travers laquelle lécoulement dair sort. La buse (1) sétend autour dun axe pour définir une ouverture (2) à travers laquelle lair provenant de lextérieur de lensemble ventilateur (100) est aspiré par lécoulement dair sortant de la bouche (12). La buse (1) comprend une surface sur laquelle la bouche (12) est agencée afin de diriger lécoulement dair. La surface comprend une partie diffuseur (46) samincissant en séloignant de laxe et une partie guidage (48) vers laval à partir de la partie diffuseur (46) et formant un angle avec ce dernier.

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