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2. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   A centrifugal fan is a mechanical device for moving air or other gases in a direction at an angle to the incoming fluid. Centrifugal fans often contain a ducted housing to direct outgoing air in a specific direction or across a heat sink; such a fan is also called a blower, blower fan, or squirrel-cage fan (because it looks like a hamster wheel).

3. Fan (machine) - Wikipedia

   en.wikipedia.org/wiki/Fan_(machine)

   Centrifugal fans blow air at right angles to the intake of the fan and spin the air outwards to the outlet (by deflection and centrifugal force). The impeller rotates, causing air to enter the fan near the shaft and move perpendicularly from the shaft to the opening in the scroll-shaped fan casing.

4. Axial fan design - Wikipedia

   en.wikipedia.org/wiki/Axial_fan_design

   An axial fan is a type of fan that causes gas to flow through it in an axial direction, parallel to the shaft about which the blades rotate. The flow is axial at entry and exit. The fan is designed to produce a pressure difference, and hence force, to cause a flow through the fan. Factors which determine the performance of the fan include the ...

5. List of Dyson products - Wikipedia

   en.wikipedia.org/wiki/List_of_Dyson_products

   Around 2020, Dyson discontinued its basic cooling fans in favour of an extended range of combination fan air purifiers, some with optional heating. High-end models feature automatic monitoring of indoor air quality for particulates and volatile organic compound (VOC) contamination, and reporting over Bluetooth or WiFi to a smartphone app. [ 47 ]

6. 10 Genius Ways to Use Your Vacuum (Besides Just Cleaning Your ...

   www.aol.com/10-genius-ways-vacuum-besides...

   To help improve the indoor air quality in your home, vacuum the slats of any wall, ceiling and floor registers with your vacuum's soft dusting brush attachment as part of your regular cleaning ...

7. Ventilation (architecture) - Wikipedia

   en.wikipedia.org/wiki/Ventilation_(architecture)

   Air can be exhausted through pressurized hoods or the use of fans and pressurizing a specific area. [35] A local exhaust system is composed of five basic parts: A hood that captures the contaminant at its source; Ducts for transporting the air; An air-cleaning device that removes/minimizes the contaminant; A fan that moves the air through the ...