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2. Hand fan - Wikipedia

   en.wikipedia.org/wiki/Hand_fan

   Handheld Brise fan from 1800. A handheld fan, or simply hand fan, is a broad, flat surface that is waved back-and-forth to create an airflow. Generally, purpose-made handheld fans are folding fans, which are shaped like a sector of a circle and made of a thin material (such as paper or feathers) mounted on slats which revolve around a pivot so that it can be closed when not in use.

3. Fan (machine) - Wikipedia

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

   Many older South Korean citizens believe in the unscientific and unsupported myth of fan death due to excessive use of an electric fan; Korean electric fans usually turn off after a few hours to protect from fan death. Typical room electrical fans consume 50 to 100 watts of power, while air-conditioning units use 500 to 4000 watts; fans use ...

4. Schuyler Wheeler - Wikipedia

   en.wikipedia.org/wiki/Schuyler_Wheeler

   Schuyler Skaats Wheeler (May 17, 1860 – April 20, 1923) was an American electrical engineer and manufacturer who invented the electric fan, an electric elevator design, and the electric fire engine. He is associated with the early development of the electric motor industry, especially to do with training the blind in this industry for gainful ...

5. Punkah - Wikipedia

   en.wikipedia.org/wiki/Punkah

   These small handheld devices are still used by millions when ceiling fans stop working during frequent power outages. In the colonial age, the word came to be used in British India and elsewhere in the tropical and subtropical world for a large swinging fan, fixed to the ceiling, pulled by a punkah wallah during hot weather. [ 1 ]

6. Ceiling fan - Wikipedia

   en.wikipedia.org/wiki/Ceiling_fan

   A pendulum fan or flap fan is a type of low velocity ceiling fan that can be used for air circulation around a targeted area. The back and forth motion increases turbulence around cooling sources, like chilled waterfalls at the Lavin Bernick Center at Tulane, helping to cool a greater volume of air. Brushed DC ceiling fans.

7. Industrial fan - Wikipedia

   en.wikipedia.org/wiki/Industrial_fan

   The axial fan is often contained within a short section of cylindrical ductwork, to which inlet and outlet ducting can be connected. Axial fan types have fan wheels with diameters that usually range from less than a foot (0.3 meters) to over 30 feet (9.1 m), although axial cooling tower fan wheels may exceed 82 feet (25 m) in diameter.