Radial impeller

Details Radial impeller Radial impeller

F - Mech Eng,Light,Heat,Weapons

04

D

F04D 29/28 (2006.01) F04D 29/66 (2006.01)

Patent

CA 2159803

The invention relates to a radial impeller (1), preferably on an electric motor (10), especially an electric vacuum cleaner motor, with an impeller disc (8) on which are fitted preferably curved blades (2) with an outer curve (3) and an inner curve (4). Through apertures (6) are provided in the impeller disc (8). To reduce noise, the invention proposes that the through apertures (6) allocated to a blade (2) be formed on the outer curve (3).

La présente invention concerne une roue de ventilateur radial (1), de préférence montée sur un moteur électrique (10), plus particulièrement un motor électrique d'aspirateur, comportant un disque de roue de ventilateur (8) muni d'aubes (2) de préférence courbes, avec une courbure externe (3) et une courbure interne (4). Dans le disque de la roue de ventilateur (8) sont ménagés des trous de passage (6). Pour obtenir une diminution de l'émission de bruit, l'invention propose que les trous de passage (6) d'une aube (2) soient ménagés sur sa courbure externe (3).

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