mechanical fan
Also known as fan, spinning fan, rotating fan
machine with spinning blades used to create airflow
AI overview
A mechanical fan is a machine with spinning blades that creates moving air to cool spaces or circulate air around a room. It matters because it provides an affordable and practical way for people to stay comfortable by improving air movement in their homes or workplaces.
AI-generated from the Wikipedia summary — may contain errors.
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A household electric 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, or case. This housing will allow air to past through as well as directing the airflow, or increasing safety by preventing objects from contacting the fan blades. Most fans are powered by electric motors, but other sources of power may be used, including hydraulic motors, handcranks, and internal combustion engines.