Electrolytic capacitors in the timer circuit of a bathroom extractor
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以前、このデバイスの修理に使われていた一般的な工具です。修理過程において全部の工具が必要とは限りません。
The fan consists of a rotating arrangement of vanes or blades which act on the air. The rotating assembly of blades and hub is known as an impeller, a rotor, or a runner. Usually, it is contained within some form of housing or case.
This may direct the airflow or increase 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 and internal combustion engines.
- Axial-flow fans
- Centrifugal fan
- Crossflow fan
