GEOTHERMAL ENERGY UTILIZATION DEVICE

PROBLEM TO BE SOLVED: To provide a device for utilizing geothermal energy with a simple structure without using a power or special operating fluid.SOLUTION: A U-tube with a heat-insulating coating material being applied to the upper inside of one of two tubes thereof and the lower inside of the othe...

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1. Verfasser: SASAKI NORIMASA
Format: Patent
Sprache:eng
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