| Outline |
Indent Level
| |
| Color | Curly Brackets (indicating CPC extensions to IPC) | |
CPC | COOPERATIVE PATENT CLASSIFICATION | ||
![]() |
F24J 1/00 | Apparatus or devices using heat produced by exothermal chemical reactions other than by combustion (for cooking-vessels A47J 36/28; self-heating compresses A61F { A61F7/04C} ; materials for the production of heat or cold involving non-reversible chemical reactions, other than by combustion, when used C09K 5/18) |
![]() | 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 2/02 | . | Solar heat collectors with support for article heated, e.g. stoves, ranges, crucibles, furnaces or ovens using solar heat |
![]() | F24J 2/04 | . | Solar heat collectors having working fluid conveyed through collector |
![]() | 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 façade construction} |
F24J 2/045 | . . . |
F24J 2/0455 | . . . | { in the form of shingles or tiles} |
![]() | 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 | . . |
F24J 2/0483 | . . |
![]() | F24J 2/0488 | . . | { Solar heat collectors having absorber surfaces of a particular form} |
![]() | F24J 2/05 | . . | surrounded by a transparent enclosure, e.g. evacuated solar collectors |
![]() | 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} |
F24J 2/07 | . . . | Receivers working at high temperature, e.g. for solar power plants |
![]() | F24J 2/08 | . . . | having lenses as concentrating elements |
![]() | F24J 2/10 | . . . | having reflectors as concentrating elements |
F24J 2/1047 | . . . . | { having discontinuous faces} |
F24J 2/1052 | . . . . |
F24J 2/1057 | . . . . | { characterised by the material or the construction of the reflector} |
![]() | F24J 2/12 | . . . . | parabolic |
F24J 2/13 | . . . . | hemispherical |
![]() | F24J 2/14 | . . . . | semi-cylindrical or cylindro-parabolic |
F24J 2/15 | . . . . | conical |
F24J 2/16 | . . . . | having flat plates |
F24J 2/18 | . . . . | spaced, opposed interacting reflecting surfaces |
![]() | 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 |
![]() | F24J 2/24 | . . | the working fluid being conveyed through tubular heat absorbing conduits |
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} |
![]() | 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} |
![]() | F24J 2/26 | . . . | having extended surfaces, e.g. protrusions (F24J 2/28 takes precedence)] |
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 |
![]() | F24J 2/34 | . . | having heat storage mass |
F24J 2/36 | . | Rollable or foldable collector units |
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 2/40 | . |
F24J 2/402 | . . | { responsive to temperature} |
F24J 2/405 | . . | { responsive to wind} |
F24J 2/407 | . . | { for controlling transmission of solar radiation} |
![]() | 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, F24D17/00F3, 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 |
![]() | F24J 2/46 | . | Component parts, details or accessories of solar heat collectors |
![]() | 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 | . . . |
F24J 2/461 | . . . | { Means for cleaning or for removing snow} |
![]() | 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} |
![]() | 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 | . . . |
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)} |
![]() | F24J 2/464 | . . | { Casings} |
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 | . . |
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 | . . |
![]() | F24J 2/48 | . . | characterised by absorber material |
![]() | F24J 2/50 | . . | Transparent coverings |
![]() | F24J 2/51 | . . | Thermal insulation (F24J 2/50 takes precedence) |
![]() | F24J 2/52 | . . | Arrangement of mountings or supports |
![]() | F24J 2/5201 | . . . | { Stationary supporting structures for solar modules; Load-bearing elements for movable supporting structures} |
![]() | 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)} |
![]() | 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} |
F24J 2/5228 | . . . . | { comprising plate-like mounting elements, e.g. profiled or corrugated plates; Plate-like module frames (F24J 2/523 takes precedence)} |
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} |
![]() | F24J 2/5243 | . . . . | { Fixation means, e.g. connectors or fasteners} |
![]() | 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} |
![]() | 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} |
![]() | F24J 2/5256 | . . . . . . | { Clamping or clipping 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 2/5266 | . . . | { adapted for non-rotary movement} |
![]() | F24J 2/5267 | . . . | { Waterborne solar collectors} |
F24J 2/5271 | . . . | { Airborne solar collectors, e.g. using inflated structures (F24J2/04B16C, F24J 2/5267 take precedence)} |
![]() | F24J 2/54 | . . . |
![]() | 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} |
![]() | 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 } |
![]() | Other production or use of heat, not derived from combustion (use of solar heat F24J 2/00) |
![]() | F24J 3/003 | . | { using heat resulting from internal friction of a moving fluid or from friction between a fluid and a moving body} |
![]() | F24J 3/06 | . | using natural heat |
![]() | F24J 3/08 | . . | using geothermal heat |
![]() | F24J 3/081 | . . . | { by circulating a working fluid through underground channels, the working fluid not coming into direct contact with the ground} |
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} |
![]() | F24J 2002/00 | 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 2002/003 | . | Heat traps |
![]() | 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 2002/04 | . | Solar heat collectors having working fluid conveyed through collector |
![]() | 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 |
![]() | F24J 2002/06 | . . | having concentrating elements (optical elements or systems per se G02B) |
![]() | F24J 2002/07 | . . . | Receivers working at high temperature, e.g. for solar power plants |
![]() | F24J 2002/10 | . . . | having reflectors as concentrating elements |
![]() | 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 |
![]() | F24J 2002/1023 | . . . . . | trough-shaped |
F24J 2002/1033 | . . . . . | spiral |
F24J 2002/1038 | . . . . . | hyperbolic |
F24J 2002/1042 | . . . . . | involutes |
F24J 2002/1061 | . . . . | Reflective elements inside solar collector casings |
F24J 2002/1066 | . . . . | Micro-reflectors |
F24J 2002/1071 | . . . . | in the form of reflective coatings |
![]() | 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 |
![]() | F24J 2002/24 | . . | the working fluid being conveyed through tubular heat absorbing conduits |
F24J 2002/241 | . . . | the conduits having a non-circular cross-section |
![]() | F24J 2002/26 | . . . | having extended surfaces, e.g. protrusions (F24J 2/28 takes precedence)] |
![]() | F24J 2002/38 | . | 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 |
![]() | F24J 2002/46 | . | Component parts, details or accessories of solar heat collectors |
![]() | 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 |
F24J 2002/4656 | . . | Arrangements for reinforcement of solar collector elements |
![]() | 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 |
![]() | F24J 2002/4679 | . . . | Joining different materials |
![]() | 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 |
![]() | F24J 2002/50 | . . | Transparent coverings |
![]() | 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 |
F24J 2002/508 | . . . | Transparent insulation; Convection preventing members |
![]() | F24J 2002/52 | . . | Arrangement of mountings or supports |
![]() | F24J 2002/5201 | . . . | { Stationary supporting structures for solar modules; Load-bearing elements for movable supporting structures} |
![]() | F24J 2002/5203 | . . . . | { 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)} |
![]() | 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 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 |
![]() | F24J 2002/54 | . . . |
![]() | F24J 2002/5434 | . . . . | Special components |
![]() | F24J 2002/5437 | . . . . . | Driving means |
F24J 2002/5444 | . . . . . | Coupling means |
![]() | F24J 2002/5448 | . . . . . | Transmissions |
![]() | F24J 2002/5451 | . . . . . . | in the form of articulated bars |
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 |
![]() | F24J 2002/5475 | . . . . . | Movement guiding means |
![]() | 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 |
![]() | F24J 2003/00 | Other production or use of heat, not derived from combustion (use of solar heat F24J 2/00) |