A heat producing device is placed in contact with a heat exchanger that is fluidically coupled to a fluid pump. The fluid pump operates to pumps fluid through a closed fluidic system between the heat exchanger and a spot where the heat can be dissipated. In an aspect, an actuator forces fluid to be pumped without passing through a wall of the pump. One aspect uses an impedance pump as the pumping element.

 
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< First stage pressure reducing valve having a tubular plug, particularly for regulators of scuba breathing apparatus

> Minichannel heat exchanger with restrictive inserts

~ 00447