Patents
Patents for F24J 2 - Use of solar heat, e.g. solar heat collectors (51,924)
10/1991
10/08/1991US5054466 Offset truss hex solar concentrator
10/03/1991WO1991014955A1 Tensioned cover for parabolic reflector
10/03/1991WO1991014487A1 Solar still assembly
10/02/1991CN2085935U Solar stove
10/02/1991CN2085934U Solar water heater
10/02/1991CN1055052A Combined light and heat collection device
09/1991
09/25/1991CN2085512U Solar water heater mounted on balcony
09/24/1991US5050913 High pressure, rotatable pipe joints
09/19/1991DE4110819A1 Solar-powered land or water vehicle - has additional supports for mirrors reflecting light to solar modules
09/19/1991DE4007839A1 Vacuum collector for solar system - has flat or slightly curved surface facing sun and its opposite side is semi elliptical or half round
09/17/1991US5048507 Endothermic building
09/15/1991CA2038135A1 Transparent thermal panel
09/12/1991DE4007178A1 Device for utilising solar energy - has fan which draws air through glass fragments heated by sun rays
09/11/1991EP0445123A1 A system for heating fluid in process equipment with solar energy.
09/11/1991CN2084592U Gas film solar stove
09/10/1991US5047654 Solar powered electricity mine system
09/05/1991WO1991013374A1 Involute reflector plate and illuminator and heat radiator each provided with involute reflector plate
09/05/1991DE4006516A1 Solar collector linear concentrator - has solar radiation deflection with air permeable disc to deflect in one direction
08/1991
08/29/1991DE4006116A1 Solar-heater for water, using roof - has pump controlled by temp. difference and operating at intervals to obtain water by higher temp.
08/29/1991DE4005833A1 Solar collector for house roof - consists of plate fixed on top of tile by means of profiled clips and insert fasteners
08/28/1991CN2083725U Solar-energy coal stove composite water heater
08/21/1991EP0442432A1 Construction made of precast concrete elements
08/15/1991WO1991012469A2 Solar roof collector
08/14/1991EP0440755A1 Tent roof
08/14/1991DE4002892A1 Solar energy collector panel - has frame made of aluminium U=section
08/14/1991CN2082838U Complex case shape solar heater for water
08/13/1991US5039561 Vapor deposition of organic compound, then vacuum annealing yields layer of uniform crystalline particles
08/13/1991US5039352 External wall element for buildings
08/08/1991DE4003400A1 Solar energy collector - comprises housing connected to outside atmosphere through absorbent material and shuttered valve
08/07/1991EP0440156A2 Facade element
08/07/1991EP0440103A2 Roofing tile or roofing stone with solar plate
08/07/1991CN1013457B Refracting solor energy concentrator and thin flexible fresnel lens
08/06/1991US5036833 Elongate housing
08/01/1991DE4002518A1 Cladding over heating of building - has outermost covering over transparent insulation, an air gap layer whose transparency depends on temp. and absorber background
07/1991
07/31/1991CN2081952U Solar water heater
07/30/1991US5035949 For Use In A Sunshade, Thermal Control Surface Or A Lining In Chemical Tanks Or Flow Lines
07/25/1991DE4021367A1 Absorber for duct of solar collector - comprises flat chamber with ribbed channels to conduct heating fluid which exchanges heat with air
07/25/1991DE4007541C1 Direct conversion of heat into electrical energy - using solar collector to transfer hydrogen from stove to high pressure chamber bounded by foil coated electrolyte
07/25/1991DE4001891A1 Open photosynthesis system for technical use - comprises microcrystalline graphite suspension exposed to sunlight
07/25/1991DE4001719A1 Solar heater for paddling pool - has round black base surface with raised inflatable tubular rim and central weight
07/17/1991CN2081063U Solar heat pipe heat exchanger
07/16/1991US5032016 Radiation gathering reflector and method of manufacture
07/16/1991CA1286270C Refracting solar energy concentrator and thin flexible fresnel lens
07/11/1991WO1991010103A1 Ray focusing device
07/11/1991DE4034224A1 Acting heat e.g. solar radiation, direction detecting system - has solar connector and deflecting tube controlling drive motor
07/11/1991DE4000433A1 Solar heating panel with several collecting elements - has flat absorber and rib absorber panels at right angles connected by pipes and flow and return pipes in base enclosed by polyurethane foam
07/11/1991DE4000269A1 Heat exchanger based on elastomeric mat - has base and parallel attached tubes with insulation gap between base and tubes and is mfd. by extrusion of EPDM or rubber
07/10/1991EP0436523A1 Use of a heat exchanger
07/10/1991EP0436433A1 Concentrator of rays
07/10/1991CN2080644U Collecting device for solar water heater with waste top-pop-can structure
07/10/1991CN1052938A Potential energy controllable sunlight tracking device and application thereof
07/10/1991CN1052937A General focusing device for collecting and utilizing solar energy
07/04/1991DE3943405A1 Utilisation of low temperature heat for heating building - involves circulation air between inner panels and inner surface of walls
07/02/1991US5028469 Lightweight constructional element of sandwich structure
07/02/1991US5027566 Window with reflective enclosure
06/1991
06/21/1991WO1991009329A1 Magnesium film reflectors
06/21/1991CA2071913A1 Magnesium film reflectors
06/20/1991DE4012333C1 Solar collector heat barrier - has honeycombed walls with areas having mirror surface finish
06/19/1991CN2079272U Solar room type solar energy low-circulation water heater
06/18/1991US5024211 Heat exchange medium connector for movable solar heaters
06/12/1991CN1052181A Multifunctional energy-saving solar water heater
06/11/1991US5022929 Solar collector
06/11/1991US5022726 High reflectivity
06/11/1991US5022381 Barrel-shaped solar roofing element and method for its assembly
05/1991
05/30/1991WO1991007626A1 Transfer of heat within water storage tank by the use of heat pipes
05/30/1991WO1991007558A1 Ridge cap
05/29/1991DE3939139A1 Heat-conductive embedding mix. - esp. for embedding heating system or solar collector elements
05/23/1991DE3938596A1 Panel of sandwich construction for wall, floor or ceiling - has edges of increased thickness with recess between them
05/22/1991CN2077529U Braid-type vaccum tube of heat pipe
05/22/1991CN2077528U Salar water heater
05/21/1991US5016998 Focus control system for stretched-membrane mirror module
05/21/1991US5016980 Systems for deviating and (optionally) converging radiation
05/21/1991US5016412 Weatherproof protective coatings for exterior building walls
05/16/1991WO1991006208A1 Tent roof
05/15/1991CN2077097U Bag type solar energy water-heating unit with insulating band
05/14/1991US5014770 Attic solar energy vehicle
05/14/1991US5014481 Panel configurable for selective insulation or heat transmission
05/08/1991DE3930234A1 Swinging tube and frame - are powered by program controlled unit to ensure max. reflection of sun rays
05/08/1991CN2076657U Four-season high-efficiency solar water heater with heat tubes
05/08/1991CN2076656U Solar accumulation water heater for keeping warm
05/07/1991US5014339 Device for heating up a flow of gas
05/07/1991US5012796 Solar heat collector
05/02/1991EP0424581A1 Roof
05/01/1991CN2076220U Water delivery device of water tank
04/1991
04/30/1991US5011105 Collector stand
04/30/1991US5010873 Solar energy intensifier and collector system
04/25/1991DE4033586A1 Trapping energy from sun - involves absorbent liq. in basin covered over with foil used as translucent cover
04/25/1991DE3934719A1 Aluminium tiles for collecting solar energy - have anodised external surfaces with matt black finish
04/24/1991CN2075760U Folding solar stove
04/23/1991US5009218 Heat-insulating building and/or light element
04/23/1991CA1283333C Method and apparatus for preheating ventilation air for a building
04/18/1991DE3934535A1 Collection of energy from sun - involves parabolic mirror and tubular absorber through which liq. is circulated under pressure
04/18/1991DE3934517A1 Platform with solar energy converters - is fitted above water body and encloses underneath air chamber a slight overpressure
04/18/1991DE3934516A1 Disc-shaped, solar radiation concentrators - are formed of rows of facets, parallel to receptor line
04/18/1991DE3934485A1 Solar energy collecting installation - comprises number of inclined collector channels with absorber backing units
04/18/1991DE3934451A1 Multipurpose beam for multistorey building - has hollow interior equipped with heat exchanger
04/18/1991DE3933848A1 Solar collector giving off energy converted into heat - is built as horizontal floating body over surface of liq. in container
04/17/1991CN2075326U Auto-drainage device
04/17/1991CN2075325U Drainage device
04/17/1991CN2075324U Closed sunning type domestic solar energy water heater