Mechanical fan — Household electric box fan with a propeller style blade A mechanical fan is a machine used to create flow within a fluid, typically a gas such as air. A fan consists of a rotating arrangement of vanes or blades which act on the air. Usually, it… … Wikipedia
Centrifugal fan — Figure 1: Components of a centrifugal fan Figure 2: Centrifugal fan … Wikipedia
Industrial fans — and blowers are valuable tools for moving air and materials required in a wide variety of manufacturing processes and industries, including cement, power, mining, coal treatment, pollution control, oil and gas, ethanol and steel. Ranging in size… … Wikipedia
Fan (mechanical) — A mechanical fan is an electrically powered device used to produce an airflow for the purpose of creature comfort (particularly in the heat), ventilation, exhaust, or any other gaseous transport.Mechanically, a fan can be any revolving vane or… … Wikipedia
XF-12 Rainbow — infobox Aircraft name = XF 12 Rainbow type = Strategic reconnaissance manufacturer = Republic Aviation caption = designer = Alexander Kartveli first flight = 4 February 1946 introduced = December 1945 retired = June 1952 produced = number built … Wikipedia
Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner … Wikipedia