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Hot air rework station pumps - food for thought ?

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Fraser:
Centrifugal fan design book chapter.......

https://www.sciencedirect.com/topics/engineering/centrifugal-fan

Backward, Radial, forward and airfoil impeller types

Fraser:
An interesting scientific paper on the impeller design of a centrifugal blower.

https://core.ac.uk/download/pdf/236626928.pdf

These little air blowers use more science and design thought than I expected but, of course, industrial blowers need to be efficient whilst getting the required blower performance fir the task so it makes sense that the impellers would be optimised.

Fraser:
Of course we see variations on a theme with air blowers and Ametek have some more advanced designs such as a ‘dual turbine’ blower shown in the attached pictures.

Fraser:
All about blowers !  :D

http://www.allaboutairblowers.com/centrifugal-fans-blowers.html

wraper:
Quick fan gets the air out from the back of impeller, not sideways. Also it's interesting that the back plate of the impeller is wider, making a gap from which the air gets out smaller. Vacuum cleaner fans I googled do not have this feature.

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