For the PDF version of this article, including diagrams, click here. Laptop/notebook PC cooling fans demand low noise and high efficiency. The latter is particularly important as notebook designers ...

The electromotor, which is sometimes called motor or dynamo, is responsible for creating the mechanical force necessary to rotate the fan in the cooling tower. In other words, the fan or impeller of ...

When adapting from a clutch-driven fan to an electric fan, it's wise to think about the horsepower level you are dealing with and the expected horsepower capability of the fan(s) you choose. Remember, ...