| Abstract: The various technologies presented herein relate to fabrication and
operation of a heat exchanger that is configured to extract heat from an
underlying substrate. Heat can be extracted by way of an air gap formed
between an impeller and a baseplate. By utilizing a pump to create an
initial air gap that is further maintained by rotation of the impeller
relative to the baseplate, a spring can be utilized that can apply a
force of greater magnitude to the impeller than is used in a conventional
approach, thus enabling the weight of the impeller to be negligible with
respect to a width of the air gap, thereby conferring the desirable
feature of orientation independence with respect to gravity with no
performance degradation. |
| Filed: 9/26/2017 |
| Application Number: 15/715997 |
| This invention was made with Government support under Contract No. DE-NA0003525 awarded by the United States Department of Energy/National Nuclear Security Administration. The Government has certain rights in the invention. |
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