Combined light source and air purifier
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United States of America Patent
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Aug 1, 2006
Grant Date -
N/A
app pub date -
Feb 26, 1998
filing date -
Feb 26, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The combined light source and air purifier unit includes a body (11) and a centrifugal fan (12) with rearwardly facing blades (20) run at low speed and mounted by the body with its axis upright and a central intake (17) through which air containing contaminants is drawn from a target zone (80) below the unit. A light source (14) mounted within a peripheral projecting skirt (75) is located radially outside the intake (17) of the centrifugal fan (12) so as not to obstruct the flow of intake air. A filter (13) extends circumferentially around the fan (12) and an air discharge (60) includes a smoothly curved flow deflecting means (62) provided by the body (11) to deflect air flowing outwardly from the fan in an upwards direction at about 45.degree. or less to the vertical.
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