https://www.designingbuildings.co.uk/w/index.php?action=history&feed=atom&title=Air_multiplier_fan 2026-05-18T13:53:59Z Revision history for this page on the wiki MediaWiki 1.17.4 https://www.designingbuildings.co.uk/w/index.php?title=Air_multiplier_fan&diff=255334&oldid=prev 2023-05-23T08:03:13Z

<p></p> <table style="background-color: white; color:black;"> <col class='diff-marker' /> <col class='diff-content' /> <col class='diff-marker' /> <col class='diff-content' /> <tr valign='top'> <td colspan='2' style="background-color: white; color:black;">← Older revision</td> <td colspan='2' style="background-color: white; color:black;">Revision as of 08:03, 23 May 2023</td> </tr><tr><td colspan="2" class="diff-lineno">Line 1:</td> <td colspan="2" class="diff-lineno">Line 1:</td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>An air multiplier fans blow air from an oval opening without exposed blades, the vanes are hidden within the frame. Air movement is created within the frame, directed and focussed to the central void (or toroid), to create the cooling effect through air flow. Unlike an axial fan, which creates intermittent air flow, pressure and some noise as the blades turn, an air multiplier fan separates the blades from the air flow thus creating a continual constant air flow and less noise. It is also called a bladeless air fan.</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>An air multiplier fans blow air from an oval opening without exposed blades, the vanes are hidden within the frame. Air movement is created within the frame, directed and focussed to the central void (or toroid), to create the cooling effect through air flow. Unlike an axial fan, which creates intermittent air flow, pressure and some noise as the blades turn, an air multiplier fan separates the blades from the air flow thus creating a continual constant air flow and less noise. It is also called a bladeless air fan.</div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2">&#160;</td><td class='diff-marker'>+</td><td style="background: #cfc; color:black; font-size: smaller;"><div><ins style="color: red; font-weight: bold; text-decoration: none;">The first patent for a bladeless desk fan is recorded as being by the Japanese firm Tokyo Shibaura Electric in 1981 (now known as Toshiba). In 2009 James Dyson, improved on the original design by benefitting from what is known as the Coanda effect, where air tends to flows along the curvature of a surface rather than separating from it, this was named and patented as the air-multiplier bladeless fan.</ins></div></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"></td></tr> <tr><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings =</div></td><td class='diff-marker'>&#160;</td><td style="background: #eee; color:black; font-size: smaller;"><div>= Related articles on Designing Buildings =</div></td></tr> </table>

Editor https://www.designingbuildings.co.uk/w/index.php?title=Air_multiplier_fan&diff=255331&oldid=prev 2023-05-23T07:52:22Z

<p>Created page with &quot;An air multiplier fans blow air from an oval opening without exposed blades, the vanes are hidden within the frame. Air movement is created within the frame, directed and focusse...&quot;</p> <p><b>New page</b></p><div>An air multiplier fans blow air from an oval opening without exposed blades, the vanes are hidden within the frame. Air movement is created within the frame, directed and focussed to the central void (or toroid), to create the cooling effect through air flow. Unlike an axial fan, which creates intermittent air flow, pressure and some noise as the blades turn, an air multiplier fan separates the blades from the air flow thus creating a continual constant air flow and less noise. It is also called a bladeless air fan.<br /> <br /> = Related articles on Designing Buildings =<br /> <br /> * Air conditioning.<br /> * Air handling unit.<br /> * Building management systems.<br /> * Building services<br /> * Building services engineer.<br /> * Chilled water fan coil system vs refrigerant based system<br /> * Constant air volume CAV<br /> * Evaluation of cooling effects: outdoor watermist fan<br /> * Fan.<br /> * Fan coil refurbishment for improved operational efficiency<br /> * Fan coil unit<br /> * Fan coils<br /> * Fan convector<br /> * Fan heater<br /> * How do I know what capacity fan coil I need?<br /> * How does a chilled water fan coil unit work?<br /> * HVAC<br /> * Intermittent extract fan<br /> * Types of pump.<br /> * Variable air volume VAV<br /> * Ventilation<br /> * What are the different types of fan coil units?</div>

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