A medical device client needed to develop a lightweight, compact machine with outstanding battery life at a competitive price point. The core engineering challenge was keeping the compressor cool enough to operate at peak performance while drawing minimal power.
Their initial approach used multiple fans and blowers placed at various points within the device: one to draw cool air through a filter, one to cool the compressor and control PCB, and one to exhaust hot air. While this dissipated heat effectively, it drew far too much power to meet battery life targets.
Reducing the number of cooling devices was the obvious path forward. Axial fans offered high airflow (CFM) but couldn't overcome the static-pressure resistance of tightly packed components in a small enclosure. Off-the-shelf blowers could deliver the static pressure but not the airflow. No standard product could do both.
Using a computer simulation of the client's system, YS Tech engineered a custom axial fan that solved both problems in a single unit. Prototypes were produced quickly, and test results exceeded expectations.
THE RESULT
A single custom axial fan delivering 17+ CFM airflow at nearly 1 inch of static pressure, under 2 watts of power draw, and near-silent operation, enabling the client to meet all power, space, and noise objectives with one cooling device.
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