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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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PRODUCING OR USE OF HEAT NOT OTHERWISE PROVIDED FOR (materials therefor C09K 5/00; engines or other mechanisms for producing mechanical power from heat, see the relevant classes, e.g. F03G for using natural heat)
Apparatus or devices using heat produced by exothermal chemical reactions other than by combustion (for cooking-vessels A47J 36/28; self-heating compresses A61F
{
A61F 7/03
}
; materials for the production of heat or cold involving non-reversible chemical reactions, other than by combustion, when used C09K 5/18)
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Use of solar heat, e.g. solar heat collectors (distillation or evaporation of water using solar energy C02F 1/14; devices for producing mechanical power from solar energy F03G 6/00; semiconductor devices adapted for converting solar energy into electrical energy H01L 25/00, H01L 31/04; semiconductor devices including arrays of solar cells using heat energy H01L 31/058; generators in which light radiation is directly converted into electrical energy H02N 6/00)
F24J 2/0007
.
{
Passive solar heat collectors
}
F24J 2/0015
.
{
Solar heat collectors absorbing essentially direct solar radiation combined with a solar heat collector absorbing concentrated radiation
}
F24J 2/0023
.
{
Solar heat collector using additional ambient air heat or another heat source, e.g. electrical
}
F24J 2002/003
.
{
Heat traps
}
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F24J 2002/0038
.
{
Solar modules layout; Modular arrangements
}
F24J 2002/0046
. .
{
in the form of multiple rows and multiple columns, all solar modules being coplanar
}
F24J 2002/0053
. .
{
Coplanar arrangements with frame overlapping portions
}
F24J 2002/0061
. .
{
Overlaying arrangements similar to roof tiles
}
F24J 2002/0069
. .
{
Stepped arrangements, e.g. in parallel planes, without module overlapping
}
F24J 2002/0076
. .
{
Non-parallel arrangements
}
F24J 2002/0084
. .
{
Preventing shading effects
}
F24J 2002/0092
. .
{
Arrangements of solar thermal modules combined with solar PV modules
}
F24J 2/02
.
Solar heat collectors with support for article heated, e.g. stoves, ranges, crucibles, furnaces or ovens using solar heat
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F24J 2/04
.
Solar heat collectors having working fluid conveyed through collector
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F24J 2002/0405
. .
{
having a particular shape, e.g. prismatic, pyramidal
}
F24J 2002/0411
. . .
{
in the form of louvers
}
F24J 2002/0416
. . .
{
allowing change of position for optimization of heat collection
}
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F24J 2/0422
. .
{
Solar collectors integrated in fixed constructions, e.g. in buildings
}
F24J 2/0427
. . .
{
in the form of a fence, a balustrade or a handrail
}
F24J 2/0433
. . .
{
in the form of a window
}
F24J 2/0438
. . .
{
in the form of a floor construction
}
F24J 2/0444
. . .
{
in the form of a fa├žade construction
}
F24J 2/045
. . .
{
in the form of a roof construction (F24J 2/0455 takes precedence)
}
F24J 2/0455
. . .
{
in the form of shingles or tiles
}
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F24J 2/0461
. .
{
using pools or ponds
}
F24J 2/0466
. . .
{
Salt gradient solar ponds
}
F24J 2/0472
. . .
{
Floating solar collectors or covers
}
F24J 2/0477
. .
{
having circuits for more than one working fluid (F24J 2/30 takes precedence)
}
F24J 2/0483
. .
{
having two or more passages for the same working fluid (F24J 2/20, F24J 2/24 take precedence)
}
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F24J 2/0488
. .
{
Solar heat collectors having absorber surfaces of a particular form
}
F24J 2/0494
. . .
{
having two or more absorber surfaces
}
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F24J 2/05
. .
surrounded by a transparent enclosure, e.g. evacuated solar collectors
F24J 2/055
. . .
{
the enclosure being cylindrical
}
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F24J 2/06
. .
having concentrating elements (optical elements or systems per se G02B)
F24J 2/062
. . .
{
Prisms
}
F24J 2/065
. . .
{
Fluorescent material
}
F24J 2/067
. . .
{
Light guides
}
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F24J 2/07
. . .
Receivers working at high temperature, e.g. for solar power plants
F24J 2002/075
. . . .
{
movable or adjustable
}
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F24J 2/08
. . .
having lenses as concentrating elements
F24J 2/085
. . . .
{
having discontinuous faces, e.g. Fresnel lenses
}
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F24J 2/10
. . .
having reflectors as concentrating elements
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F24J 2002/1004
. . . .
{
Special shape not covered by F24J 2/1047 - F24J 2/18
}
F24J 2002/1009
. . . . .
{
corrugated
}
F24J 2002/1014
. . . . .
{
curved
}
F24J 2002/1019
. . . . .
{
dish-shaped
}
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F24J 2002/1023
. . . . .
{
trough-shaped
}
F24J 2002/1028
. . . . . .
{
asymmetric
}
F24J 2002/1033
. . . . .
{
spiral
}
F24J 2002/1038
. . . . .
{
hyperbolic
}
F24J 2002/1042
. . . . .
{
involutes
}
F24J 2/1047
. . . .
{
having discontinuous faces
}
F24J 2/1052
. . . .
{
flexible (F24J 2/125, F24J 2/145 take precedence)
}
F24J 2/1057
. . . .
{
characterised by the material or the construction of the reflector
}
F24J 2002/1061
. . . .
{
Reflective elements inside solar collector casings
}
F24J 2002/1066
. . . .
{
Micro-reflectors
}
F24J 2002/1071
. . . .
{
in the form of reflective coatings
}
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F24J 2002/1076
. . . .
{
Reflectors layout
}
F24J 2002/108
. . . . .
{
Assemblies of spaced reflective elements on common support, e.g. Fresnel reflectors
}
F24J 2002/1085
. . . . .
{
Reflectors formed by assemblies of adjacent similar reflective facets
}
F24J 2002/109
. . . . .
{
Reflectors formed by assemblies of adjacent reflective elements having different orientation or different features
}
F24J 2002/1095
. . . . .
{
Assemblies of spaced reflective elements in the form of grids, e.g. vertical or inclined reflective elements extending over heat absorbing elements
}
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F24J 2/12
. . . .
parabolic
F24J 2/125
. . . . .
{
flexible
}
F24J 2/13
. . . .
hemispherical
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F24J 2/14
. . . .
semi-cylindrical or cylindro-parabolic
F24J 2/145
. . . . .
{
flexible
}
F24J 2/15
. . . .
conical
F24J 2/16
. . . .
having flat plates
F24J 2/18
. . . .
spaced, opposed interacting reflecting surfaces
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F24J 2/20
. .
the working fluid being conveyed between plates
F24J 2/201
. . .
{
having conduits of plastic material
}
F24J 2/202
. . .
{
having conduits formed by paired plates and internal partition means
}
F24J 2/204
. . .
{
having conduits formed by paired plates, only one of which is plane
}
F24J 2/205
. . .
{
having conduits formed by paired non-plane plates
}
F24J 2/207
. . .
{
having curved plate-like conduits, e.g. semi-spherical
}
F24J 2/208
. . .
{
having conduits formed by inflation of portions of a pair of joined sheets
}
F24J 2/22
. . .
having extended surfaces, e.g. protrusions, corrugations (F24J 2/28 takes precedence)
F24J 2/23
. .
the working fluid trickling freely
{
or flowing in a continuous film
}
over collector elements
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F24J 2/24
. .
the working fluid being conveyed through tubular heat absorbing conduits
F24J 2002/241
. . .
{
the conduits having a non-circular cross-section
}
F24J 2/242
. . .
{
the tubular conduits being integrated in a block; the tubular conduits touching each other
}
F24J 2/243
. . .
{
the tubular conduits being of plastic material
}
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F24J 2/244
. . .
{
the tubular conduits are not fixed to heat absorbing plates and are not touching each other
}
F24J 2/245
. . . .
{
the conduits being parallel to each other
}
F24J 2/246
. . . .
{
the conduits being helically coiled
}
F24J 2/247
. . . .
{
the conduits being spirally coiled
}
F24J 2/248
. . . .
{
the conduits being otherwise bent, e.g. zig-zag
}
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F24J 2/26
. . .
having extended surfaces, e.g. protrusions (F24J 2/28 takes precedence)]
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F24J 2002/261
. . . .
{
Special fins
}
F24J 2002/263
. . . . .
{
extending obliquely
}
F24J 2/265
. . . .
{
the conduits being parallel to each other
}
F24J 2/266
. . . .
{
the conduits being spirally coiled
}
F24J 2/268
. . . .
{
the conduits being otherwise bent, e.g. zig-zag
}
F24J 2/28
. .
having permeable mass, foraminous or porous materials
F24J 2/30
. .
with means to exchange heat between plural fluids
F24J 2/32
. .
having evaporator and condenser section, e.g. heat pipe
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F24J 2/34
. .
having heat storage mass
F24J 2/345
. . .
{
Hot water storage
}
F24J 2/36
.
Rollable or foldable collector units
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F24J 2/38
.
employing tracking means (F24J 2/02, F24J 2/06 take precedence; direction- finders for determining the direction from which electromagnetic waves are being received G01S 3/78
{
, e.g. solar tracking systems G01S 3/7861
}
; control of position or direction G05D 3/00
{
, e.g. G05D 3/105
}
)
F24J 2002/385
. .
{
Calibration means; Methods for initial positioning of solar concentrators or solar receivers
}
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F24J 2/40
.
Control arrangements;
{
Control of position for tracking F24J 2/38
}
F24J 2/402
. .
{
responsive to temperature
}
F24J 2/405
. .
{
responsive to wind
}
F24J 2/407
. .
{
for controlling transmission of solar radiation
}
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F24J 2/42
.
Solar heat systems not otherwise provided for
{
(solar heat systems in greenhouses A01G 9/243; distillation by solar energy C02F 1/14; devices for producing mechanical power from solar energy F03G 6/00; central heat systems using heat solar energy F24D 11/003, F24D 11/007, F24D 11/0221, F24D 11/0264; domestic hot-water supply systems using solar energy F24D 17/0015, F24D 17/0042, F24D 17/0063; air-conditioning systems using solar energy F24F 5/0046; refrigeration machines, plants or systems using solar energy F25B 27/002; drying solid materials or objects by radiation, e.g. from the sun F26B 3/28)
}
F24J 2/423
. .
{
for swimming pools
}
F24J 2/426
. .
{
for showers
}
F24J 2/44
. .
having thermosiphonic circulation
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F24J 2/46
.
Component parts, details or accessories of solar heat collectors
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F24J 2002/4601
. .
{
Arrangements for heat transfer optimization
}
F24J 2002/4603
. . .
{
Flow guiding means; Inserts inside conduits
}
F24J 2002/4605
. . .
{
Arrangements for one-way heat transfer, e.g. thermal diodes
}
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F24J 2/4607
. .
{
Safety or protection arrangements; Arrangements for preventing malfunction; Auxiliary devices, e.g. means for testing (control means F24J 2/40)
}
F24J 2/4609
. . .
{
Protective covers, lids; closure members (F24J 2/50 takes precedence)
}
F24J 2/461
. . .
{
Means for cleaning or for removing snow
}
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F24J 2/4612
. . .
{
Means for preventing corrosion or protecting against contaminants, e.g. preventing condensations
}
F24J 2/4614
. . . .
{
for draining rain water
}
F24J 2/4616
. . . .
{
for maintaining vacuum, e.g. by using getters
}
F24J 2/4618
. . . .
{
for preventing condensation
}
F24J 2/462
. . . .
{
for deaerating or degassing the working fluid
}
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F24J 2/4621
. . .
{
Means for overtemperature protection (arrangements for draining the working fluid: F24J 2/4634); Means for overpressure protection
}
F24J 2/4623
. . . .
{
Arrangements for modifying heat collecting features, e.g. by defocusing or by changing the position of heat receiving elements
}
F24J 2/4625
. . . .
{
Cooling arrangements, e.g. by using external heat dissipating means or internal cooling circuits (F24J 2/4627 takes precedence)
}
F24J 2/4627
. . . .
{
Arrangements for venting solar collector enclosures
}
F24J 2/4629
. . . .
{
Arrangements for preventing overpressure inside solar collector enclosures (F24J 2/4627 takes precedence)
}
F24J 2/463
. . . .
{
Arrangements for preventing overpressure inside solar collector circuits
}
F24J 2/4632
. . .
{
Means for freezing protection (arrangements for draining the working fluid: F24J 2/4634)
}
F24J 2/4634
. . .
{
Arrangements for draining the working fluid
}
F24J 2/4636
. . .
{
Arrangements to accommodate differential expansion of solar collector elements
}
F24J 2/4638
. . .
{
Arrangements for protecting solar collectors against adverse weather conditions (F24J 2/4609 takes precedence)
}
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F24J 2/464
. .
{
Casings
}
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F24J 2/4641
. . .
{
characterised by using specific material
}
F24J 2/4643
. . . .
{
Plastic materials
}
F24J 2/4645
. . . .
{
Metallic materials
}
F24J 2/4647
. .
{
Means for fluidically interconnecting different solar collectors or for connecting solar connectors with other components; Headers; Fluid distributing means
}
F24J 2/4649
. .
{
Selection of particular working medium (materials for heat transfer C09K 5/00)
}
F24J 2/465
. .
{
Arrangements of sealing means
}
F24J 2/4652
. .
{
Solar heat collectors having absorber surfaces provided with special coatings, e.g. anti-reflective coatings
}
F24J 2/4654
. .
{
Materials for the heat-exchange conduits (F24J 2/201, F24J 2/243, F24J 2/48 take precedence)
}
F24J 2002/4656
. .
{
Arrangements for reinforcement of solar collector elements
}
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F24J 2002/4658
. .
{
Fastening; Joining
}
F24J 2002/4659
. . .
{
by using hook and loop-type fasteners
}
F24J 2002/4661
. . .
{
by using hooks
}
F24J 2002/4663
. . .
{
by clamping
}
F24J 2002/4665
. . .
{
by clipping, e.g. by using snap connectors
}
F24J 2002/4667
. . .
{
by screwed connection
}
F24J 2002/4669
. . .
{
by using threaded elements, e.g. stud bolts
}
F24J 2002/467
. . .
{
by using form-fitting connection means, e.g. tongue and groove
}
F24J 2002/4672
. . .
{
by using toothed elements
}
F24J 2002/4674
. . .
{
by deforming the material, e.g. by crimping or clinching
}
F24J 2002/4676
. . .
{
by bonding, e.g. by using adhesives
}
F24J 2002/4678
. . .
{
by welding or brazing
}
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F24J 2002/4679
. . .
{
Joining different materials
}
F24J 2002/4681
. . . .
{
Joining glass with non-glass elements
}
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F24J 2002/4683
. .
{
Selection of particular materials
}
F24J 2002/4685
. . .
{
Ceramics
}
F24J 2002/4687
. . .
{
Concrete
}
F24J 2002/4689
. . .
{
Foams
}
F24J 2002/469
. . .
{
Carbone, e.g. graphite
}
F24J 2002/4692
. . .
{
Plastics
}
F24J 2002/4694
. . .
{
Textiles; Fabrics
}
F24J 2002/4696
. . .
{
Natural materials, e.g. wood
}
F24J 2002/4698
. . .
{
Recycled materials
}
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F24J 2/48
. .
characterised by absorber material
F24J 2/481
. . .
{
of metallic material (F24J 2/487 takes precedence)
}
F24J 2/482
. . .
{
of plastic (F24J 2/488 takes precedence)
}
F24J 2/484
. . .
{
of ceramic; of concrete; of natural stone (F24J 2/485 takes precedence)
}
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F24J 2/485
. . .
{
using absorber coatings (radiation-absorbing paints C09D 5/32)
}
F24J 2/487
. . . .
{
of metallic material
}
F24J 2/488
. . . .
{
of plastic material
}
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F24J 2/50
. .
Transparent coverings
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F24J 2002/501
. . .
{
Special shape
}
F24J 2002/502
. . . .
{
in the form of multiple covering elements
}
F24J 2002/503
. . . .
{
in the form of curved covering elements
}
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F24J 2/505
. . .
{
characterised by using specific material
}
F24J 2/506
. . . .
{
plastic material
}
F24J 2/507
. . .
{
using evacuated elements (F24J 2/05 takes precedence)
}
F24J 2002/508
. . .
{
Transparent insulation; Convection preventing members
}
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F24J 2/51
. .
Thermal insulation (F24J 2/50 takes precedence)
F24J 2/515
. . .
{
characterised by the material
}
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F24J 2/52
. .
Arrangement of mountings or supports
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F24J 2/5201
. . .
{
Stationary supporting structures for solar modules; Load-bearing elements for movable supporting structures
}
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F24J 2/5203
. . . .
{
comprising elongated rigid mounting elements, e.g. mounting profiles or rails for covering a building surface with solar modules; Module frames (F24J 2/523 takes precedence)
}
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F24J 2/5205
. . . . .
{
Substantially planar profile assemblies, e.g. grids comprising coplanar profiles or stacked profiles
}
F24J 2/5207
. . . . . .
{
comprising profiles of particular shape having in cross-section first and second module supporting portions for coupling adjacent solar modules
}
F24J 2/5209
. . . . . .
{
Substantially coplanar profile assemblies comprising longitudinal profiles laterally coupled with transversal profiles
}
F24J 2/5211
. . . . .
{
Solar module peripheral frames
}
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F24J 2002/5213
. . . . .
{
Special profiles
}
F24J 2002/5215
. . . . . .
{
having hollow parts with closed cross-section
}
F24J 2002/5216
. . . . . .
{
having circular or oval cross-section
}
F24J 2002/5218
. . . . . .
{
having a central web, e.g. I-shaped, inverted T- shaped
}
F24J 2002/522
. . . . . .
{
U-, C- or O-shaped; Hat profiles
}
F24J 2002/5222
. . . . . .
{
in the form of corrugated profiles
}
F24J 2002/5224
. . . . . .
{
having curved portions
}
F24J 2002/5226
. . . . . .
{
having undercut grooves
}
F24J 2/5228
. . . .
{
comprising plate-like mounting elements, e.g. profiled or corrugated plates; Plate-like module frames (F24J 2/523 takes precedence)
}
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F24J 2/523
. . . .
{
comprising elongated standing elements, e.g. posts, legs; Standing structures for supporting solar modules at defined orientation; Three-dimensional frameworks; Volumetric supporting structures, e.g. box-like elements or shaped bodies
}
F24J 2/5232
. . . . .
{
Posts coupled with upper profiles
}
F24J 2/5233
. . . . .
{
Profile arrangements, e.g. assemblies of base profiles with vertical or inclined profiles, three-dimensional frameworks (F24J 2/5232 takes precedence)
}
F24J 2/5235
. . . . .
{
comprising bent plates or assemblies of plates
}
F24J 2/5237
. . . . .
{
comprising shaped bodies, e.g. molded box-like elements, concrete elements, foamed elements; Massive supporting structures
}
F24J 2/5239
. . . . .
{
Interconnected assemblies of stands; Stands having first and second module supporting portions for coupling adjacent modules
}
F24J 2/5241
. . . .
{
comprising elongated non rigid elements, e.g. straps, wires, ropes
}
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F24J 2/5243
. . . .
{
Fixation means, e.g. connectors or fasteners
}
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F24J 2/5245
. . . . .
{
Connectors for anchoring solar modules or supporting elements to the ground or to building structures
}
F24J 2/5247
. . . . . .
{
in the form of bent strips or assemblies of strips; Hook-like connectors; Connectors to be mounted between building covering elements
}
F24J 2/5249
. . . . . .
{
for anchoring to protrusions of buildings, e.g. to corrugations or to standing seams
}
F24J 2/525
. . . . . .
{
Ground anchoring means; Foundations for supporting elements; Massive elements for anchoring supporting structures to the ground or to flat horizontal surfaces
}
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F24J 2/5252
. . . . .
{
Connectors for fixing solar modules, or solar module peripheral frames to supporting elements, e.g. to profiled mounting members
}
F24J 2/5254
. . . . . .
{
Solar module side connectors or base connectors
}
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F24J 2/5256
. . . . . .
{
Clamping or clipping elements
}
F24J 2/5258
. . . . . . .
{
with clamping action by using screw-threaded elements
}
F24J 2/526
. . . . .
{
Connectors for coupling adjacent supporting elements together, e.g. profile to profile connectors
}
F24J 2/5262
. . . . .
{
Connectors for coupling adjacent solar modules or solar module peripheral frames together (F24J 2/5252 takes precedence)
}
F24J 2/5264
. . . .
{
comprising means for adjusting the final position or the final orientation of a supporting element relative to another one or relative to a mounting surface; comprising means for compensating mounting tolerances
}
F24J 2/5266
. . .
{
adapted for non-rotary movement
}
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F24J 2/5267
. . .
{
Waterborne solar collectors
}
F24J 2/5269
. . . .
{
Moving platforms
}
F24J 2/5271
. . .
{
Airborne solar collectors, e.g. using inflated structures (F24J 2/0472, F24J 2/5267 take precedence)
}
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F24J 2002/5273
. . .
{
Details; Special support components or methods
}
F24J 2002/5275
. . . .
{
Arrangements for mounting elements inside solar collectors; Spacers inside solar collectors
}
F24J 2002/5277
. . . .
{
Foldable support elements
}
F24J 2002/5279
. . . .
{
Stackable support elements
}
F24J 2002/5281
. . . .
{
Methods for installing support elements
}
F24J 2002/5283
. . . .
{
Supports with play between elements
}
F24J 2002/5284
. . . .
{
Filling or spacing means; Elastic means
}
F24J 2002/5286
. . . .
{
Tensioning means
}
F24J 2002/5288
. . . .
{
Means for preventing movements, e.g. stops
}
F24J 2002/529
. . . .
{
Means for accommodating irregularities on mounting surface; Tolerance compensation means
}
F24J 2002/5292
. . . .
{
Ballasting means
}
F24J 2002/5294
. . . .
{
Sealing means between support elements and mounting surface
}
F24J 2002/5296
. . . .
{
Sealing means between support elements, e.g. overlapping arrangements; Gap closing arrangements
}
F24J 2002/5298
. . . .
{
Means for preventing theft; Locking means
}
Collapse
F24J 2/54
. . .
specially adapted for rotary movement
{
(F24J 2/5269 takes precedence)
}
Collapse
F24J 2/5403
. . . .
{
with only one rotation axis
}
F24J 2/5406
. . . . .
{
with vertical axis
}
F24J 2/541
. . . . .
{
with horizontal axis
}
F24J 2/5413
. . . . .
{
with inclined axis
}
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F24J 2/5417
. . . .
{
with two rotation axis
}
F24J 2/542
. . . . .
{
with vertical primary axis
}
F24J 2/5424
. . . . .
{
with horizontal primary axis
}
F24J 2/5427
. . . . .
{
with inclined primary axis
}
F24J 2/5431
. . . .
{
with more than two rotation axis or with multiple degrees of freedom
}
Collapse
F24J 2002/5434
. . . .
{
Special components
}
Collapse
F24J 2002/5437
. . . . .
{
Driving means
}
F24J 2002/5441
. . . . . .
{
hydraulic or pneumatic
}
F24J 2002/5444
. . . . .
{
Coupling means
}
Collapse
F24J 2002/5448
. . . . .
{
Transmissions
}
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F24J 2002/5451
. . . . . .
{
in the form of articulated bars
}
F24J 2002/5455
. . . . . . .
{
in the form of compasses, scissors or parallelograms
}
F24J 2002/5458
. . . . . .
{
in the form of flexible elements, e.g. belts, chains, ropes
}
F24J 2002/5462
. . . . . .
{
in the form of gearings or rack-and-pinion transmissions
}
F24J 2002/5465
. . . . . .
{
in the form of threaded elements
}
F24J 2002/5468
. . . . . .
{
for moving several solar collectors by common transmission elements
}
F24J 2002/5472
. . . . . .
{
for deriving one movement from another one, e.g. for deriving elevation movement from azimuth movement
}
Collapse
F24J 2002/5475
. . . . .
{
Movement guiding means
}
F24J 2002/5479
. . . . . .
{
Tracks
}
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F24J 2002/5482
. . . . .
{
Bearings
}
F24J 2002/5486
. . . . . .
{
Hinged elements; Pin connections
}
F24J 2002/5489
. . . . . .
{
Spherical joints
}
F24J 2002/5493
. . . . .
{
Load balancing means, e.g. use of counter-weights
}
F24J 2002/5496
. . . . .
{
Movement dampening means; Braking means
}
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Other production or use of heat, not derived from combustion (use of solar heat F24J 2/00)
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F24J 3/003
.
{
using heat resulting from internal friction of a moving fluid or from friction between a fluid and a moving body
}
F24J 3/006
. .
{
the fluid passing through a restriction means
}
Collapse
F24J 3/06
.
using natural heat
Collapse
F24J 3/08
. .
using geothermal heat
Collapse
F24J 3/081
. . .
{
by circulating a working fluid through underground channels, the working fluid not coming into direct contact with the ground
}
Collapse
F24J 3/082
. . . .
{
Compact tube assemblies inserted into the ground, e.g. geothermal probes
}
F24J 3/083
. . . . .
{
in the form of bent tubes or in the form of tubes assembled with connectors or with return headers
}
F24J 3/084
. . . . .
{
in the form of tubes being closed at one end, i.e. return type
}
F24J 3/085
. . .
{
by injecting a working fluid directly into the ground or by using underground water, e.g. systems using injection and recovery wells
}
F24J 3/086
. . .
{
by injecting a working fluid into a closed well; by using intermediate working fluids, e.g. by using heat pipes
}
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F24J 2003/087
. . .
{
Component parts, details or accessories
}
F24J 2003/088
. . . .
{
Methods for installation
}
F24J 2003/089
. . . .
{
Control arrangements
}
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F24J 2200/00
Prediction; Simulation
F24J 2200/04
.
for solar techniques
F24J 2200/06
.
for geothermal techniques
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Last Modified: 10/10/2013