IPC Classification

Class code (prefix) Descriptions Number of results
F24S 10/00 Solar heat collectors using working fluids
F24S 10/10 Solar heat collectors using working fluids the working fluids forming pools or ponds
F24S 10/13 Salt-gradient ponds
F24S 10/17 Solar heat collectors using working fluids the working fluids forming pools or ponds using covers or floating solar absorbing elements
F24S 10/20 Solar heat collectors using working fluids having circuits for two or more working fluids
F24S 10/25 Solar heat collectors using working fluids having two or more passages for the same working fluid layered in the direction of solar rays, e.g. having upper circulation channels connected with lower circulation channels
F24S 10/30 Solar heat collectors using working fluids with means for exchanging heat between two or more working fluids
F24S 10/40 Solar heat collectors using working fluids in absorbing elements surrounded by transparent enclosures, e.g. evacuated solar heat collectors
F24S 10/50 Solar heat collectors using working fluids the working fluids being conveyed between plates
F24S 10/55 Solar heat collectors using working fluids the working fluids being conveyed between plates with enlarged surfaces, e.g. with protrusions or corrugations
F24S 10/60 Solar heat collectors using working fluids the working fluids trickling freely over absorbing elements
F24S 10/70 Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits
F24S 10/75 Solar heat collectors using working fluids the working fluids being conveyed through tubular absorbing conduits with enlarged surfaces, e.g. with protrusions or corrugations
F24S 10/80 Solar heat collectors using working fluids comprising porous material or permeable masses directly contacting the working fluids
F24S 10/90 Solar heat collectors using working fluids using internal thermosiphonic circulation
F24S 10/95 Solar heat collectors using working fluids using internal thermosiphonic circulation having evaporator sections and condenser sections, e.g. heat pipes
F24S 20/00 Solar heat collectors specially adapted for particular uses or environments
F24S 20/20 Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants
F24S 20/25 Solar heat collectors for receiving concentrated solar energy, e.g. receivers for solar power plants using direct solar radiation in combination with concentrated radiation
F24S 20/30 Solar heat collectors for heating objects, e.g. solar cookers or solar furnaces
F24S 20/40 Solar heat collectors combined with other heat sources, e.g. using electrical heating or heat from ambient air
F24S 20/50 Rollable or foldable solar heat collector modules
F24S 20/55 Rollable or foldable solar heat collector modules made of flexible materials
F24S 20/60 Solar heat collectors integrated in fixed constructions, e.g. in buildings
F24S 20/61 Passive solar heat collectors, e.g. operated without external energy sources
F24S 20/62 Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of fences, balustrades or handrails
F24S 20/63 Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of windows
F24S 20/64 Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of floor constructions, grounds or roads
F24S 20/66 Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of facade constructions, e.g. wall constructions
F24S 20/67 Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of roof constructions
F24S 20/69 Solar heat collectors integrated in fixed constructions, e.g. in buildings in the form of shingles or tiles
F24S 20/70 Waterborne solar heat collector modules
F24S 20/80 Airborne solar heat collector modules, e.g. inflatable structures
F24S 21/00 Solar heat collectors not provided for in groups
F24S 23/00 Arrangements for concentrating solar rays for solar heat collectors
F24S 23/30 Arrangements for concentrating solar rays for solar heat collectors with lenses
F24S 23/70 Arrangements for concentrating solar rays for solar heat collectors with reflectors
F24S 23/71 Arrangements for concentrating solar rays for solar heat collectors with reflectors with parabolic reflective surfaces
F24S 23/72 Arrangements for concentrating solar rays for solar heat collectors with reflectors with hemispherical reflective surfaces
F24S 23/74 Arrangements for concentrating solar rays for solar heat collectors with reflectors with trough-shaped or cylindro-parabolic reflective surfaces
F24S 23/75 Arrangements for concentrating solar rays for solar heat collectors with reflectors with conical reflective surfaces
F24S 23/77 Arrangements for concentrating solar rays for solar heat collectors with reflectors with flat reflective plates
F24S 23/79 Arrangements for concentrating solar rays for solar heat collectors with reflectors with spaced and opposed interacting reflective surfaces
F24S 25/00 Arrangement of stationary mountings or supports for solar heat collector modules
F24S 25/10 Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface
F24S 25/11 Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using shaped bodies, e.g. concrete elements, foamed elements or moulded box-like elements
F24S 25/12 Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using posts in combination with upper profiles
F24S 25/13 Profile arrangements, e.g. trusses
F24S 25/15 Arrangement of stationary mountings or supports for solar heat collector modules extending in directions away from a supporting surface using assemblies of plates
F24S 25/16 Arrangement of interconnected standing structures; Standing structures having separate supporting portions for adjacent modules
F24S 25/20 Peripheral frames for modules
F24S 25/30 Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the mounting surface, e.g. for covering buildings with solar heat collectors
F24S 25/33 Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the mounting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles
F24S 25/35 Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the mounting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles by means of profiles with a cross-section defining separate supporting portions for adjacent modules
F24S 25/37 Arrangement of stationary mountings or supports for solar heat collector modules using elongate rigid mounting elements extending substantially along the mounting surface, e.g. for covering buildings with solar heat collectors forming substantially planar assemblies, e.g. of coplanar or stacked profiles forming coplanar grids comprising longitudinal and transversal profiles
F24S 25/40 Arrangement of stationary mountings or supports for solar heat collector modules using plate-like mounting elements, e.g. profiled or corrugated plates; Plate-like module frames
F24S 25/50 Arrangement of stationary mountings or supports for solar heat collector modules comprising elongate non-rigid elements, e.g. straps, wires or ropes
F24S 25/60 Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
F24S 25/61 Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
F24S 25/63 Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing modules or their peripheral frames to supporting elements
F24S 25/65 Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent supporting elements, e.g. for connecting profiles together
F24S 25/67 Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for coupling adjacent modules or their peripheral frames
F24S 25/70 Arrangement of stationary mountings or supports for solar heat collector modules with means for compensating mounting tolerances
F24S 25/613 Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures in the form of bent strips or assemblies of strips; Hook-like connectors; Connectors to be mounted between building-covering elements
F24S 25/615 Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures for fixing to protruding parts of buildings, e.g. to corrugations or to standing seams
F24S 25/617 Elements driven into the ground, e.g. anchor-piles; Foundations for supporting elements; Connectors for connecting supporting structures to the ground or to flat horizontal surfaces
F24S 25/632 Side connectors; Base connectors
F24S 25/634 Clamps; Clips
F24S 25/636 Clamps; Clips clamping by screw-threaded elements
F24S 30/00 Arrangements for moving or orienting solar heat collector modules
F24S 30/20 Arrangements for moving or orienting solar heat collector modules for linear movement
F24S 30/40 Arrangements for moving or orienting solar heat collector modules for rotary movement
F24S 30/42 Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis
F24S 30/45 Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes
F24S 30/48 Arrangements for moving or orienting solar heat collector modules for rotary movement with three or more rotation axes or with multiple degrees of freedom
F24S 30/422 Vertical axis
F24S 30/425 Horizontal axis
F24S 30/428 Arrangements for moving or orienting solar heat collector modules for rotary movement with only one rotation axis with inclined axis
F24S 30/452 Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes with vertical primary axis
F24S 30/455 Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes with horizontal primary axis
F24S 30/458 Arrangements for moving or orienting solar heat collector modules for rotary movement with two rotation axes with inclined primary axis
F24S 40/00 Safety or protection arrangements of solar heat collectors; Preventing malfunction of solar heat collectors
F24S 40/10 Protective covers or shrouds; Closure members, e.g. lids
F24S 40/20 Cleaning; Removing snow
F24S 40/40 Preventing corrosion; Protecting against dirt or contamination
F24S 40/42 Preventing condensation inside solar modules
F24S 40/44 Draining rainwater or condensation
F24S 40/46 Maintaining vacuum, e.g. by using getters
F24S 40/48 Deaerating or degassing the working fluid
F24S 40/50 Preventing overheating or overpressure
F24S 40/52 Preventing overheating or overpressure by modifying the heat collection, e.g. by defocusing or by changing the position of heat-receiving elements
F24S 40/53 Preventing overheating or overpressure by venting solar heat collector enclosures
F24S 40/55 Arrangements for cooling, e.g. by using external heat dissipating means or internal cooling circuits
F24S 40/57 Preventing overpressure in solar heat collector enclosures
F24S 40/58 Preventing overpressure in working fluid circuits
F24S 40/60 Arrangements for draining the working fluid
F24S 40/70 Preventing freezing
F24S 40/80 Accommodating differential expansion of solar heat collector elements
F24S 40/90 Arrangements for testing solar heat collectors
F24S 50/00 Arrangements for controlling solar heat collectors
F24S 50/20 Arrangements for controlling solar heat collectors for tracking
F24S 50/40 Arrangements for controlling solar heat collectors responsive to temperature
F24S 50/60 Arrangements for controlling solar heat collectors responsive to wind
F24S 50/80 Arrangements for controlling solar heat collectors for controlling collection or absorption of solar radiation
F24S 60/00 Arrangements for storing heat collected by solar heat collectors
F24S 60/10 Arrangements for storing heat collected by solar heat collectors using latent heat
F24S 60/20 Arrangements for storing heat collected by solar heat collectors using chemical reactions, e.g. thermochemical reactions or isomerisation reactions
F24S 60/30 Arrangements for storing heat collected by solar heat collectors storing heat in liquids
F24S 70/00 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements
F24S 70/10 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements characterised by the absorbing material
F24S 70/12 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements characterised by the absorbing material made of metallic material
F24S 70/14 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements characterised by the absorbing material made of plastics
F24S 70/16 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements characterised by the absorbing material made of natural stone
F24S 70/20 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements characterised by surface treatment for increasing absorption
F24S 70/25 Coatings made of metallic material
F24S 70/30 Auxiliary coatings, e.g. anti-reflective coatings
F24S 70/60 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements characterised by the structure or construction
F24S 70/65 Combinations of two or more absorbing elements
F24S 70/225 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details of absorbing elements characterised by surface treatment for increasing absorption for spectrally selective absorption
F24S 70/275 Coatings made of plastics
F24S 80/00 SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS - Details, accessories or component parts of solar heat collectors not provided for in groups
F24S 80/10 Materials for heat-exchange conduits
F24S 80/20 Working fluids specially adapted for solar heat collectors
F24S 80/30 Arrangements for connecting the fluid circuits of solar heat collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
F24S 80/40 Casings
F24S 80/45 Casings characterised by the material
F24S 80/50 Transparent coverings; Elements for transmitting incoming solar rays and preventing outgoing heat radiation
F24S 80/52 Transparent coverings; Elements for transmitting incoming solar rays and preventing outgoing heat radiation characterised by the material
F24S 80/54 Transparent coverings; Elements for transmitting incoming solar rays and preventing outgoing heat radiation using evacuated elements
F24S 80/56 Transparent coverings; Elements for transmitting incoming solar rays and preventing outgoing heat radiation characterised by means for preventing heat loss
F24S 80/58 Transparent coverings; Elements for transmitting incoming solar rays and preventing outgoing heat radiation characterised by their mountings or fixing means
F24S 80/60 Thermal insulation
F24S 80/65 Thermal insulation characterised by the material
F24S 80/70 Sealing means
F24S 80/453 Casings characterised by the material made of metallic material
F24S 80/457 Casings characterised by the material made of plastics
F24S 80/525 Transparent coverings; Elements for transmitting incoming solar rays and preventing outgoing heat radiation characterised by the material made of plastics
F24S 90/00 Solar heat systems not otherwise provided for
F24S 90/10 Solar heat systems not otherwise provided for using thermosiphonic circulation