Fan
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United States of America Patent
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Apr 26, 2011
Issued Date -
N/A
app pub date -
Sep 15, 2009
filing date -
Sep 23, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bladeless fan assembly (100) for creating an air current comprises a nozzle (1) mounted on a base (16) housing for creating an air flow through the nozzle (1). The nozzle (1) comprises an interior passage (10) for receiving the air flow from the base (16) and a mouth (12) through which the air flow is emitted. The nozzle (1) extends about an axis to define an opening (2) through which air from outside the fan assembly (100) is drawn by the air flow emitted from the mouth (12). The nozzle (1) comprises a surface over which the mouth (12) is arranged to direct the air flow. The surface comprises a diffuser portion (46) tapering away from the axis, and a guide portion (48) downstream from the diffuser portion (46) and angled thereto.
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