An exhaust assembly

A - Human Necessities – 47 – L

Patent

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Details

A47L 9/10 (2006.01) A47L 9/00 (2006.01) A47L 9/12 (2006.01)

Patent

CA 2475666

An exhaust assembly for an appliance comprises a filter housing (60) for retaining a filter (70) and an exhaust duct (90) which receives airflow from the filter housing (60). Vanes (75) are positioned in the filter housing (60) for guiding airflow from the exhaust side of the filter (70) to the exhaust duct (90). The vanes (75) spread the airflow entering the exhaust duct (90) across the width thereof so as to reduce noise and to reduce the velocity of the exiting air. The exhaust duct (90) increases in cross-sectional area in the direction of flow through the exhaust duct (90) so as to further reduce the velocity of the exiting air.

L'invention concerne un système d'échappement destiné à un appareil. Ce système comprend un boîtier (60) de filtre destiné à contenir un filtre (70) et un conduit (90) d'échappement qui reçoit un flux d'air provenant du boîtier (60) de filtre. Des ailettes (75) sont disposées dans le boîtier (60) de filtre afin de guider le flux d'air du côté échappement du filtre (70) jusqu'au conduit (90) d'échappement. Ces ailettes (75) diffusent le flux d'air entrant dans le conduit (90) d'échappement sur la largeur de ce dernier de manière à réduire le bruit et la vitesse de l'air sortant. Le conduit (90) d'échappement présente une section qui s'accroît progressivement dans la direction d'écoulement sur la longueur du conduit (90) d'échappement, de manière à réduire encore davantage la vitesse de l'air sortant.

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