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2. Fan (machine) - Wikipedia

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

   A household electric fan A large cylindrical fan. A fan is a powered machine that creates airflow. A fan consists of rotating vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an impeller, rotor, or runner. Usually, it is contained within some form of housing ...

3. 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 ...

4. Industrial fan - Wikipedia

   en.wikipedia.org/wiki/Industrial_fan

   Backward inclined – These fans have simple flat blades, backwardly inclined to match the velocity pattern of the air passing through the fan wheel for high-efficiency operation. These fans are typically used in high-volume, relatively low-pressure, clean air applications. Radial blade – The flat blades of this type are arranged in a radial ...

5. Centrifugal fan - Wikipedia

   en.wikipedia.org/wiki/Centrifugal_fan

   Figure 1: Components of a centrifugal fan An external motor belt driven inline centrifugal fan discharging inline to the exterior of a building through a duct. Unlike non-inline/non-concentric impeller casing design with a cutoff blade above, the concentrically symetric cylinder casing and impeller geometry of inline type redirects the outflow around so that it is parallel to the inflow of gases.

6. We Tried Out Several Tower Fans, and These Are the Models ...

   www.aol.com/lifestyle/top-rated-tower-fans-keep...

   Space-saving tower fans provide consistent air circulation and most are reasonably priced. After our testing and research, these are the models we recommend.

7. List of Dyson products - Wikipedia

   en.wikipedia.org/wiki/List_of_Dyson_products

   The Dyson "Air Multiplier" was announced in October 2009 as an electric fan, intended to provide smoother airflow and, having no exposed rotating blades, operating in a safer manner than conventional fans. [39] [40] While it is described as a "bladeless" fan, it has blades inside its base. The fan works by drawing air in through an inlet in the ...