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PCE
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CPC Main Group
F24T 10/00

Geothermal collectors

5 direct subcodes

Child Classifications

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  • F24T 10/20 using underground water as working fluid; using working fluid injected directly into the ground, e.g. using injection wells and recovery wells
  • F24T 10/30 using underground reservoirs for accumulating working fluids or intermediate fluids
  • F24T 10/40 operated without external energy sources, e.g. using thermosiphonic circulation or heat pipes