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| Number | Title | Issue Date |
| 7318432 | Solar collector plate method for safeguarding the operation of a solar collector and method for manufacturing a solar collector plate A solar collector plate (2) has a solar radiation receiving front absorber plane (3) that is wiped at its rear side by a cooling liquid (4) flowing in channels (5). Cavities (7), preferably behind the channels (5) and integr... | 01/15/2008 |
| 7234314 | Geothermal heating and cooling system with solar heating A sealed well direct expansion geothermal heat exchange unit, whose sealed well can be placed in ground and/or in water, consisting of a conventional direct expansion, or other heat pump, system wherein the exterior refrigerant heat exchange lines are placed within ... | 06/26/2007 |
| 7137413 | Arrangement to increase the thermal fatigue resistance of glass tubes flowed through by fluid and pressure-loaded An arrangement to increase the thermal fatigue resistance of glass tubes having fluid flowing therethrough and being pressure-loaded. This arrangement comprises a glass tube, into which an interior component is inserted. The interior component can be designed as thi... | 11/21/2006 |
| 5163821 | Solar thermal powered water pump A solar powered water pump combines an evacuated tubular solar collector array for heating air with a diaphragm type pump by providing an internal heat exchanger in the manifold of the collector array. The heat exchanger uses heat from the heated air to g... | 11/17/1992 |
| 4921580 | Solar water distiller A solar water distiller is set forth utilizing a spherical boiler formed with an underlying concave reflective lens arranged for tracking of the position of the sun to effect boiling of water provided within the solar boiler. Water vapor is forcibly remov... | 05/01/1990 |
| 4917079 | Solar water heating system A solar powered water heating system (10) for heating water in a storage tank (T) including a solar collector (C) for converting a refrigerant from a liquid to a gaseous state, a pump (30) communicating with the solar collector via a first refrigerant sup... | 04/17/1990 |
| 4911145 | Vacuum type solar heat collecting apparatus A vacuum type solar heat collecting apparatus comprising a transparent, elongated cylindrical glass container sealed at one end and opening at the other end which is reduced in diameter, a cylindrical metal water-reservoir sealed at one end and opening at... | 03/27/1990 |
| 4745906 | Passive heat transfer device The invention relates to a device for passive heat transfer between a heat source and a condenser (6) by means of a vaporizable liquid and a cycle with two phases controlled by a float valve (2, 4, 11). This device comprises a boiler (1) heated by said so... | 05/24/1988 |
| 4691692 | Solar energy system with delayed drain-back A solar energy system in which a heat transferring liquid captures heat in solar collectors and stores it in a storage tank is disclosed. A pump moves heat transferring liquid from the storage tank to the collectors and into a drain-back module only when ... | 09/08/1987 |
| 4671253 | Pre-heater for water heater Apparatus for pre-heating water prior to the water entering a conventional water heater including a heat exchanger means located in the attic of a residential dwelling for effecting a heat exchange between a hot air in the attic and water flowing through ... | 06/09/1987 |
| 4666376 | Solar powered pump assembly An apparatus for converting low level thermal radiation into mechanical work. The apparatus incorporates a collector (11) to receive and concentrate low level thermal energy to generate a pressure by vaporizing a working fluid. An expansible chamber (70),... | 05/19/1987 |
| 4550712 | Solar water heating apparatus and solar concentrator useful therewith Solar water heating apparatus comprising a housing, apparatus disposed in the housing for receiving incident solar energy and for heating a first fluid thereby, heat exchanger apparatus disposed in the housing for contacting the heated first fluid and bei... | 11/05/1985 |
| 4543945 | Structure and manufacture of radiation collectors A radiation collector having a flexible reflective wall which is deflected to a curved preferably paraboloidal configuration by application of differential pressures to opposites sides of the wall. In one form of the invention, the reflective wall forms t... | 10/01/1985 |
| 4503839 | Water preheater system A heat transfer liquid 38 collects heat in a solar collector 10 and transfers the heat to water in a preheater heat exchanger 12. Use of a negative-pressure collector 10 by means of an ejector 24 and pressure relief valve 32 allows inexpensive and readily... | 03/12/1985 |
| 4483320 | Solar powered fluid heating system A solar powered fluid heating system includes a thermal collector for vaporizing a refrigerant, a separator for removing any liquid component from the vapor component of the heated refrigerant, and a condenser for transferring heat from the refrigerant va... | 11/20/1984 |
| 4452231 | Integral solar water heaters A solar water heating apparatus comprises a plurality of longitudinal tubular storage tanks positioned adjacent one another in a stacked array. Each tank is aligned adjacent the next tank in the same direction and plane. A cold water inlet pipe is directe... | 06/05/1984 |
| 4440152 | Zero gauge solar system A nonpressurized solar heating system includes a solar collector array through which a heat transfer fluid flows, a conduit for delivering fluid from the solar collector array to a heat exchanger, another conduit for carrying the fluid from the heat excha... | 04/03/1984 |
| 4423599 | Solar energy utilization apparatus and method A system is provided in which a metered amount of water is converted to steam in a solar collector which employs an elongated convex lens to concentrate solar radiation on an elongated flow tube. The stream is supplied to a concentric rotor turbine whose ... | 01/03/1984 |
| 4413615 | Passive solar energy water preheat system using non-freezing heat transport mediums A sealed thermosiphoning solar energy system is disclosed which uses oil as a nonfreezing transport fluid. The oil is heated in an absorber exposed to the sun's radiation, passes through a check valve and into thermal exchange with a second fluid. Expansi... | 11/08/1983 |
| 4412529 | Closed loop solar collector system with dual reservoirs and fluid bypass A closed loop solar collector system includes a linear concentrating parabolic reflector, a linear vaporizer tube horizontally aligned along the focal line of the parabolic reflector, and a fluid metering assembly attached to the input end of the vaporize... | 11/01/1983 |
| 4399807 | Method and apparatus for overtemperature control of solar water heating system Automatic overtemperature control system for solar water heater panels is disclosed. In response to lack of liquid circulation through a solar panel, either through loss of liquid or failure to use water heated in the panel valve means are actuated at a p... | 08/23/1983 |
| 4397300 | Closed loop solar collector system with dual chamber fluid supply arrangement A closed loop solar collector system includes a linear concentrating parabolic reflector, a linear vaporizer tube horizontally aligned along the focal line of the parabolic reflector, and a fluid metering assembly attached to the input end of the vaporize... | 08/09/1983 |
| 4396007 | Solarmat A solar heat exchanger having a mesh sandwiched between two thin films for transfer of radiant solar energy to a fluid drawn through the mesh by suction.... | 08/02/1983 |
| 4387574 | Solar power plant including a solar heater on a tower Solar power plant, including a tower, a solar heater disposed on the tower, a plurality of reflectors disposed in a given area for irradiating the solar heater, a water-steam circuit connected to the solar heater for conducting working medium thereto, a s... | 06/14/1983 |
| 4380229 | Solar receiver protection means and method for loss of coolant flow An apparatus and method for preventing a solar receiver (12) utilizing a flowing coolant liquid for removing heat energy therefrom from overheating after a loss of coolant flow. Solar energy is directed to the solar receiver (12) by a plurality of reflect... | 04/19/1983 |
| 4378784 | Solar heating system A solar heating system for preheating water which may be used in conjunction with an existing hot water heater. The use of potable water as the heating fluid renders the use of a heat exchanger unit unnecessary. A novel collector unit is disclosed which i... | 04/05/1983 |
| 4378785 | Solar heating system Solar heating system employing a attic solar collector with a transparent wall facing the sun and a heat absorbing interior in order to heat the air within; a first heat pump to transmit heat from the collector to a remote storage reservoir; and a second ... | 04/05/1983 |
| 4354483 | Closed loop solar collector system with dual reservoirs and fluid bypass A closed loop solar collector system includes a linear concentrating parabolic reflector, a linear vaporizer tube horizontally aligned along the focal line of the parabolic reflector, and a fluid metering assembly attached to the input end of the vaporize... | 10/19/1982 |
| 4341202 | Phase-change heat transfer system A phase-change heat transfer system which is self-controlled, self-pumping, and uses no moving parts. A heat collector device is connected in series with a condenser and an accumulator. The accumulator includes apparatus for regulating the pressure therei... | 07/27/1982 |
| 4340030 | Solar heating system Various systems are disclosed for absorbing radiant heat, especially solar heat, by evaporating a refrigerant, and for releasing the heat thus absorbed to a medium to be heated, by condensing the evaporated portion of the refrigerant. The refrigerant flui... | 07/20/1982 |
| 4324230 | Solar collector panel A solar collector panel apparatus is provided which can be easily manufactured in different shapes and capacities. A pair of manifolds is supported in a spaced relationship by one or more conductive tubes. Each tube has a helical wound tube wrapped therea... | 04/13/1982 |
| 4321908 | Prevention of freeze damage to liquid conduits Freeze damage to pipes containing liquids is accomplished by including in the interior of the pipe an elongated section of tubing sealed at each end and containing internally an inert gas under pressure; a means for attaching one end of the tubing to the ... | 03/30/1982 |
| 4320663 | Control system and method for controlling a solar energy plant A solar energy plant comprises a solar energy boiler having pre-heating, evaporation, and superheating stages, and a control system for maintaining constant the temperature and the volume of the superheated steam at the boiler outlet upon variations in th... | 03/23/1982 |
| 4319561 | Solar energy collector assembly A solar energy collector assembly is provided which finds particular utility when interconnecting a plurality of tubular solar energy collectors with each other, in parallel, to form a bank of collectors, and when interconnecting a plurality of such banks... | 03/16/1982 |
| 4315499 | Self-compensating solar collector The self-compensating solar collector comprises a base tray having inlet and outlet ports at opposite ends covered by a thin metallic diaphragm also serving as an heat absorbing plate. The interior of the tray includes inter-digitating walls or ribs defin... | 02/16/1982 |
| 4306387 | Controllable insulating effects by selective interposition of insulating particles in a cavity of an energy transmission panel assembly A system for selectively interposing particulate insulating material in a cavity of a transmission or window panel assembly employs an upper aperture into the cavity through which the insulating material enters and is removed. A flow diverting means adjac... | 12/22/1981 |
| 4299200 | Apparatus and method for collecting solar energy An absorber panel for solar energy is formed of two sheets with spacer means extending therebetween to maintain a spaced relationship between the sheets and provide a flow passage for a heat exchange liquid such as water. A pressure differential biases th... | 11/10/1981 |
| 4296729 | Solar hot water heating system A solar hot water heating system, utilizing preferably a gas-liquid, phase change medium in the collector, employs one heating and storage tank above the collector and a preheating and storage tank below the first tank and preferably also below the collec... | 10/27/1981 |
| 4294309 | Method of controlling the heating of a chamber and a controlled chamber-heating installation Circulation of a heat-conveying fluid between a solar energy collector (CS) and a water heater chamber (10) is stopped when the temperature tA of a sensor placed at the outlet of the collector is lower than a temperature tB +Dt, wher... | 10/13/1981 |
| 4290419 | Multi systems solar collector This invention relates to solar collector apparatus in general and more specifically to a multi systems solar collector which has a unique design which allows the collector unit to absorb energy from radiation, conduction and convection. The device in que... | 09/22/1981 |
