| 摘要 |
An air purifier (10) for an animal transport vehicle, such as a horse flo at (12), has a first air flow passageway (22) for receiving air and directin g it in a first direction, and a second air flow passageway (40) continuous with the first air flow passageway and adapted to direct air received from t he first air flow passageway in a second direction substantially opposite to the first direction. There is a bend region (42) joining the first and seco nd air flow passageways where the change in the direction of air occurs. An air egress passageway (34) has an opening (36) adjacent the bend region so a s to divert some of the air therethrough. The passageway (34) is so configur ed as to create a venturi effect on the diverted air. A filter (43) is locat ed downstream of the second air flow passageway (40) and is mounted across a n opening of the transport vehicle so that air flowing through the second ai r flow passageway is filtered before entering the transport vehicle.
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