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Fans are used to force air into low and high bypass jet engines, seen here on a Boeing 777. 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 ...
Hand fan. 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 ...
Computer fan. A computer fan is any fan inside, or attached to, a computer case used for active cooling. Fans are used to draw cooler air into the case from the outside, expel warm air from inside and move air across a heat sink to cool a particular component. Both axial and sometimes centrifugal (blower/squirrel-cage) fans are used in computers.
Vornado is an American firm based in Andover, Kansas, that designs and manufactures household fans and other small appliances related to air circulation. The current incarnation of the company was founded in 1989, two years after the death of Ralph K. Odor (1895-1987), who founded the firm in the 1930s with Ottis A. Sutton in Wichita.
The folding fan was the most popular in Europe during the 18th century, a time known as the golden age of the folding fan.[3] The principal folding fan styles are pleated, brisé, and cockade. [2] Hand fan 1800 1805. Pleated fan[edit] The pleated fanconsists of a mount and a set of sticks.
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 ).
Fandom (website) Fandom [a] (formerly known as Wikicities and Wikia [b]) is a wiki hosting service that hosts wikis mainly on entertainment topics (i.e., video games, TV series, movies, entertainers, etc.). [9] The privately held, for-profit Delaware company was founded in October 2004 by Wikipedia co-founder Jimmy Wales and Angela Beesley.
Bladeless fan. The Dyson Air Multiplier at the IFA Berlin trade show in 2010. A bladeless fan, also known as an Air multiplier fan, is a fan that blows air from a ring or oval opening with no external blades. [1] Despite the name, these fans do have blades, mounted on a propeller hidden in the base.