FIELD: heat engineering.
SUBSTANCE: device has magnetic working body, hot and cold heat exchange means, pumps for forming a flow of heat carrier, and also a magnet, moving relatively to working body for its magnetization/demagnetization. Change of direction of heat carrier flow necessary for device operation, in working body is provided for by switches of flow direction, controlled mechanically or electrically by magnet position sensors.
EFFECT: higher efficiency.
7 cl, 9 dwg
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