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CPC
COOPERATIVE PATENT CLASSIFICATION
F24T
GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS [2018-05]
F24T 10/00
Geothermal collectors [2021-08]
F24T 10/10
.
with circulation of working fluids through underground channels, the working fluids not coming into direct contact with the ground [2021-08]
F24T 10/13
. .
using tube assemblies suitable for insertion into boreholes in the ground, e.g. geothermal probes [2018-05]
F24T 10/15
. . .
using bent tubes; using tubes assembled with connectors or with return headers [2018-05]
F24T 10/17
. . .
using tubes closed at one end, i.e. return-type tubes [2018-05]
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 [2018-05]
F24T 10/30
.
using underground reservoirs for accumulating working fluids or intermediate fluids [2021-08]
F24T 10/40
.
operated without external energy sources, e.g. using thermosiphonic circulation or heat pipes [2021-08]
F24T 2010/50
.
{Component parts, details or accessories} [2021-08]
F24T 2010/53
. .
{Methods for installation} [2018-05]
F24T 2010/56
. .
{Control arrangements} [2018-05]
F24T 50/00
Geothermal systems (for producing mechanical power from geothermal energy {F03G 7/04}) [2021-08]
F24T 2201/00
Prediction; Simulation [2018-05]