A fan

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

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Details

F04F 5/16 (2006.01) F04D 25/08 (2006.01) F04D 29/44 (2006.01) F04F 5/46 (2006.01)

Patent

CA 2746547

A bladeless fan assembly comprises a nozzle (14) mounted on a base (12) housing means for creating an air flow. The nozzle (14) comprises an interior passage (94) for receiving the air flow, a mouth (26) for emitting the air flow, and a plurality of stationary guide vanes (120) located within the interior passage (94) and each for directing a portion of the air flow towards the mouth(26). The nozzle (14) defines an 10 opening (24) through which air from outside the fan assembly is drawn by the air flow emitted from the mouth(26).

L'invention porte sur un ensemble ventilateur sans pales comprenant une buse (14) montée sur un moyen de boîtier de base (12) pour créer un écoulement d'air. La buse (14) comprend un passage intérieur (94) destiné à recevoir l'écoulement d'air, une embouchure (26) destinée à émettre l'écoulement d'air, et une pluralité de vannes de guidage fixes (120) disposées à l'intérieur du passage intérieur (94), chacune pour guider une partie de l'écoulement d'air vers l'embouchure (26). La buse (14) définit une ouverture (24) à travers laquelle de l'air provenant de l'extérieur de l'ensemble ventilateur est aspiré par l'écoulement d'air émis à partir de l'embouchure (26).

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