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| Number | Title | Issue Date |
| 8161964 | Direct accumulation tank for heating water with solar energy A direct accumulation tank, defining a closed volume (2), comprising an inlet (3) for filling the tank with a fluid, and an outlet (4) for emptying the tank of the fluid, and exhibiting an upper surface (Ia) exposed to solar rays. The upper surf... | 04/24/2012 |
| 7013887 | Absorber pipe for solar heating applications The absorber pipe (1), especially for a parabolic collector for a solar heat collecting apparatus, is described. The absorber pipe (1) includes central metal pipe (3), a glass sleeve tube (2) surrounding the nine so that an annular space ... | 03/21/2006 |
| 6994082 | Lightweight, low-cost solar energy collector A lightweight solar concentrator of the reflecting parabolic or trough type is realized via a thin reflecting film, an inflatable structural housing and tensioned fibers. The reflector element itself is a thin, flexible, specularly-reflecting sheet or film. The film... | 02/07/2006 |
| 6637427 | Radiant energy absorbers A radiant energy absorber (39) having an absorber tube (40) formed with V-shaped grooves (41) in its outer surface to enhance energy collection. The radiant energy absorber (39) may also include an inner tube (43) and a helically extending wire (48) in th... | 10/28/2003 |
| 6513518 | Solar cell panel and solar energy collecting device The invention concerns a panel comprising a front plate exposed to solar radiation and whereof the rear face is adjacent to an insulating layer, for example made of a synthetic foam. A conduit network for heat transferring fluid is inserted between the fr... | 02/04/2003 |
| 6119683 | Solar heat collecting apparatus A solar heat collecting apparatus wherein a heat-absorbing plate for absorbing the solar radiation is installed in a vacuum vessel, the solar heat accumulated in the heat-absorbing plate is transmitted to a working medium in a pipe connected to the heat-a... | 09/19/2000 |
| 4869234 | Passive solar heater The disclosed passive solar heater system defines a three dimensional tube array for conveying liquid between an inlet and an outlet, including a serial flow path through a heating stage, and possibly also a preheating stage. The heating stage has adjacen... | 09/26/1989 |
| 4535755 | Solar energy collector A solar energy collector comprises a central metal manifold 10 with five separate glass vacuum vessels 11,12 positioned on opposite sides and offset or staggered, the vessels being sealed to the manifold plate 16 while a continuous metal conduit 13 extend... | 08/20/1985 |
| 4480634 | Solar collector An evacuatable solar collector, comprising a collector tub, a radiotransparent pane sealingly covering the tub, an absorber arranged below the pane, and support members passing through the absorber and having a limited cross-section whereby, in the evacua... | 11/06/1984 |
| 4385624 | Solar collector A solar energy water heating unit is provided which heats water from a swimming pool by passing the water through a series of spiral hoses mounted on a supporting surface. The supporting surface is mounted on a platform raised from the ground and is cone-... | 05/31/1983 |
| 4361136 | Concentric solar collector A concentric solar collector comprises a round disk, an insulating substrate moulded with plurality of concentric parabolic troughs, a reflective plate formed as plurality of concentric parabolic troughs, a coiled absorber pipe, plurality of vertical heat... | 11/30/1982 |
| 4305384 | Solar panel A solar panel, comprising a closed body of thermal insulation material with a transparent surface on at least one side thereof, the body having one or more countersunk sections which are lower than the side edges and optional support members, and is surro... | 12/15/1981 |
| 4296738 | Cylindrical solar energy collector A solar energy collector 16 for utilizing the energy of the sun to heat a working fluid. The collector comprises a core conduit 30 having a working fluid inlet end 32 and a closure 38 fitted across the other end. A single return conduit 42 is spirally wou... | 10/27/1981 |
| 4273105 | Solar energy collector The disclosure illustrates a solar collector comprising an evacuated generally rectangular glass shell of a configuration commonly used for television tubes and a flat plate receiver having a black chrome surface positioned within the shell. A conduit in ... | 06/16/1981 |
| 4261334 | Solar collector A shallow open top sheet metal housing contains thermal insulating material on its side and bottom walls and is covered by a translucent top panel beneath which a multiplicity of translucent tubes in side-by-side contacting relationship provide dead air i... | 04/14/1981 |
| 4194492 | Solar heating apparatus The solar fluid heater has a frame and a solar collector for collecting and concentrating solar energy movably mounted on the frame. An inclination adjustment system is attached to the frame for rotating the solar collector for different inclinations of t... | 03/25/1980 |
| 4141341 | Solar heating panel A solar heating panel includes a unitary rectangular shell having a low thermal conductivity urethane foam liner sandwiched between inner and outer fiberglass boxes. The inner box is impregnated with a dark coloring and has spaced raised support and expan... | 02/27/1979 |
| 4122833 | Non-tracking solar energy collector system A solar energy collector system characterized by an improved concentrator for directing incident rays of solar energy on parallel strip-like segments of a flat-plate receiver and a plurality of individually mounted reflector modules of a common asymmetric... | 10/31/1978 |
| 4060071 | Solar collector for solar heating systems A solar heating system includes a solar collector comprising a continuous length of copper tubing coiled into a helical array of closely adjacent turns and supported within a sealed housing. The outer turns of the array are fabricated of tubing having a g... | 11/29/1977 |
| 3983861 | Solar energy conversion device The present solar energy conversion device has spaced, concentric outer and inner tubes of high conductivity metal, the outer tube having a blackened outside surface and a reflective inside surface. A core rod of low heat conductivity extends concentrical... | 10/05/1976 |
| 3954097 | Solar heat collector An elongated solar heat collector is formed by means of a heat exchanger having two thin-walled tubes arranged coaxially of one another, a cylindrical, transparent heat shield positioned coaxially around the tubes and an elongated parabolic reflector moun... | 05/04/1976 |
| 3951128 | Combined flat plate - focal point solar heat collector A solar heat collector system which is comprised of a roof or wall structure element, a conduit for heat exchange fluid in the roof or wall structure element, and a focal point reflector plate behind the conduit and in the structure element. Preferably th... | 04/20/1976 |
