AMETEK debuts slim, inverted blowers to deliver electronics cooling in tight enclosures


WOODSTOCK, N.Y., 20 July 2013. AMETEK Rotron is introducing compact inverted blowers to provide concentrated, high-volume airflow for critical cooling applications in ruggedized computers, avionics, and communications.

The Trimline blowers’ motors are located inside the squirrel cage wheel for reduced size and inherent motor cooling. The small size enables easy mounting in any attitude to direct the flow where it is required, says a spokesperson.

In higher-impedance systems, inverted blower technology can deliver twice the airflow of axial fans of the same size, with less generated noise. It also requires less clear space in front and back so it can be mounted in closer proximity to other components. 

The Trimline’s concentrated air streams deliver effective cooling in high-impedance applications typical of miniaturized enclosures. The blowers are effective in cooling fins on external heat sinks.

With a low noise signature, the blowers also can be used as retrofit crew member comfort blowers in military vehicles where air conditioning is not practical.

The blowers, with a 4.75 x 4.75 x 1.60 inch footprint, fit easily into slim chassis enclosures. For even tighter situations, half-Trimline blowers measuring 3.9 x 4.75 x 1.60 inches are available. Speeds range from 2700 to 6300 RPM; airflows range from 21 to 45 CFM.

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