Compact acoustic refrigerator

Details Compact acoustic refrigerator Compact acoustic refrigerator

H - Electricity

01

L

H01L 23/34 (2006.01) F03G 7/00 (2006.01) F25B 9/14 (2006.01) H01L 23/427 (2006.01)

Patent

CA 2067597

COMPACT ACOUSTIC REFRIGERATOR ABSTRACT A compact acoustic refrigeration system actively cools components, e.g., electrical circuits (22), in a borehole environment. An acoustic engine (12, 14) includes first thermodynamic elements (12) for generating a standing acoustic wave in a selected medium. An acoustic refrigerator (16, 26, 28) includes second thermodynamic elements (16) located in the standing wave for generating a relatively cold temperature at a first end of the second thermodynamic elements (16) and a relatively hot temperature at a second end of the second thermodynamic elements (16). A resonator volume (18) cooperates with the first and second thermodynamic elements (12, 16) to support the standing wave. To accommodate the high heat fluxes required for heat transfer to/from the first and second thermodynamic elements (12, 16), first heat pipes (24, 26) transfer heat from the heat load (22) to the second thermodynamic elements (16) and second heat pipes (28, 32) transfer heat from first and second thermodynamic elements (12, 16) to the borehole environment.

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