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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)

   A table fan. A fan is a powered machine used to create a flow of air. A fan consists of a rotating arrangement of 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, or case. [1]

4. Brushless DC electric motor - Wikipedia

   en.wikipedia.org/wiki/Brushless_DC_electric_motor

   The two coils on the printed circuit board interact with six round permanent magnets in the fan assembly. A brushless DC electric motor (BLDC), also known as an electronically commutated motor, is a synchronous motor using a direct current (DC) electric power supply. It uses an electronic controller to switch DC currents to the motor windings ...

5. Industrial fan - Wikipedia

   en.wikipedia.org/wiki/Industrial_fan

   Industrial fans and blowers are machines whose primary function is to provide and accommodate a large flow of air or gas to various parts of a building or other structures. This is achieved by rotating a number of blades, connected to a hub and shaft, and driven by a motor or turbine. The flow rates of these mechanical fans range from ...

6. Roots blower - Wikipedia

   en.wikipedia.org/wiki/Roots_blower

   The Roots blower is a positive displacement lobe pump which operates by pumping a fluid with a pair of meshing lobes resembling a set of stretched gears. Fluid is trapped in pockets surrounding the lobes and carried from the intake side to the exhaust. The Roots blower design does not incorporate any reduction in volume/increase in pressure as ...

7. Roots Blower Company - Wikipedia

   en.wikipedia.org/wiki/Roots_Blower_Company

   Roots Blower Company. A Roots blower with two-lobed rotors. Modern Roots blowers may have 2- or 3-lobed rotors. The Roots Blower Company was an American engineering company based in Connersville, Indiana. It was founded in 1854 by the inventors Philander Higley Roots and Francis Marion Roots.

8. Ariens - Wikipedia

   en.wikipedia.org/wiki/Ariens

   Website. www.AriensCo.com. Ariens Company, stylized as AriensCo, is an American equipment company based in Wisconsin which has a long history manufacturing snow blowers, lawn tractors, and zero-turn lawn mowers for commercial and high-end consumer markets. [1] Ariens touts itself as being the "mower of the White House lawn," "official snow ...

9. Fan coil unit - Wikipedia

   en.wikipedia.org/wiki/Fan_coil_unit

   A fan coil unit (FCU), also known as a Vertical Fan Coil Unit (VFCU), is a device consisting of a heat exchanger (coil) and a fan. FCUs are commonly used in HVAC systems of residential, commercial, and industrial buildings that use ducted split air conditioning or central plant cooling. FCUs are typically connected to ductwork and a thermostat ...