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| Number | Title | Issue Date |
| 5333677 | Evacuated two-phase head-transfer systems Various techniques are disclosed for improving systems that include an evacuated, and in essence hermetically-sealed, fluid circuit containing a heat-transfer fluid which--while circulating, usually with the assistance of a pump, around the fluid circuit-... | 08/02/1994 |
| 4930492 | Solar water heating system A solar water heating system comprising a solar energy collector which comprises a solar energy absorber communicating with a fluid distribution manifold, a drainback tank communicating with the distribution manifold for collecting drainage fluid from the... | 06/05/1990 |
| 4887667 | Device for providing communication between water tanks of heat accumulation tank system Disclosed is a heat accumulation tank system intended for use as a heat source of, for example, an air conditioner and which is installed, for example, in a building or under a green zone, a stadium or a parking area. The heat accumulation tank system is ... | 12/19/1989 |
| 4782816 | Apparatus for a solar water heater A solar water heater has a basin or reservoir for collection and storage of heated water, a generally pyramidal or prism shaped structure for absorbing solar radiation, a transparent pyramidal or prism shaped structure for enclosing and thermally isolatin... | 11/08/1988 |
| 4750543 | Pumped two-phase heat transfer loop A pumped loop two-phase heat transfer system, operating at a nearly constant temperature throughout, includes a plurality of independently operating grooved capillary heat exchanger plates supplied with working fluid through independent flow modulation va... | 06/14/1988 |
| 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 |
| 4644935 | Solar heater control A solar heater control system is disclosed for use with a water reservoir and a solar collector. Forced circulation of water in the solar heater system is provided by a pump, and valve means provides direct control of water flow in various parts of the so... | 02/24/1987 |
| 4485802 | Solar heater for swimming pools A solar heater for swimming pools is provided having one or more heating panels installable on a roof or the like and arranged to discharge into a pool equipped with an apron without need for disturbing or obstructing the apron. This is accomplished by th... | 12/04/1984 |
| 4478211 | Self-pumping solar heating system with geyser pumping action A self-pumping solar heating system having a collector including a multitude of small diameter riser tubes from which heated liquid is pumped into a header by a geyser action. A vapor condenser assures a header pressure conducive to bubble nucleation in t... | 10/23/1984 |
| 4438758 | Solar heating unit and heat transfer apparatus A heating unit (10) transfers energy via vaporized working fluid exclusively. The unit operates at sub-atmospheric pressure and a unique heat transfer apparatus (84) is provided to serve as an energy absorber panel (12) and/or a heat exchange unit (44). S... | 03/27/1984 |
| 4399808 | Drainable solar collector unit The disclosure relates to an improved venting arrangement for a solar energy collecting device of the type wherein a double walled tubular-type structure is employed with the outer wall of the inner tube carrying a solar absorbent coating and the interior... | 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 |
| 4385625 | Building heating system A building heat collection, storage and exchange system adapted for use with a solar collector, and featuring a specially designed heat storage tank. The closed system contains both liquid and gas, and is provided with drain reservoirs so that when heat i... | 05/31/1983 |
| 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 |
| 4367726 | Solar hot water heater A combined solar water heating device and storage tank for low cost solar hot water heaters is disclosed, consisting of an insulated open-topped tank in which is introduced a volume of water at atmospheric pressure to be heated by solar radiation entering... | 01/11/1983 |
| 4347835 | All season window An all season window includes a rectilinear peripherally extending pane mounting frame. Three panes of transparent material are secured sealingly within the frame in parallel spaced relationship and extend vertically. A solar heat ray absorbent material i... | 09/07/1982 |
| 4345581 | Bottom construction of ponds particularly solar ponds A pond construction, especially useful for non-convective solar ponds, having a multi-layer bottom in order to minimize seepage of liquid through the pond bottom. Liquid which permeates the multi-layer construction is pumped back into the pond.... | 08/24/1982 |
| 4327706 | Solar pond apparatus An improved Solar Pond Apparatus is described which comprises a solar pond means having a substantially flat, extended surface with upwardly directed sides thereof to retain the liquid while the liquid is exposed to the sun absorbing solar radiation and a... | 05/04/1982 |
| 4319560 | Solar heating system A solar heating system comprises a heat accumulating structure for heating both air and water in which both the heated air and water are directed to an object to be heated such as a commercial building or private residence. The heat accumulating structure... | 03/16/1982 |
| 4312325 | Solar heating system A solar heating system includes an array of solar collectors and a manifold through which the collectors are supplied with water, this water being derived from a storage tank located below the collectors. The water is circulated through the collectors by ... | 01/26/1982 |
| 4308912 | Heat transfer system A heat transfer system is provided having a fluid evaporator and a fluid condenser interconnected by fluid conducting conduit and including a volatile fluid as the heat transferring medium. The evaporator is incorporated in a solar panel and the condenser... | 01/05/1982 |
| 4290417 | Solar heat system using gravitational circulation of heated transfer medium A solar heating system in which the heating transfer medium is circulated from the heat absorbing member through the heat exchange area by means of gravitational forces which are augmented by the use of a transfer medium containing additives which change ... | 09/22/1981 |
| 4286579 | Closed loop solar collector system 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... | 09/01/1981 |
| 4285334 | Solar heating system A solar water heating system including a solar collector panel and a combination storage tank and heat exchanger unit for receiving liquid heated in the solar collector panel. The collector panel includes a collector plate made from a pair of steel plates... | 08/25/1981 |
| 4284062 | Solar collector system A solar collector system wherein water is continuously circulated between collector units and a reservoir and the conduits between the reservoir and the collector units are free of valves and like restrictions for enabling full drainage of the system when... | 08/18/1981 |
| 4276122 | Solar distillation apparatus A solar distillation unit is disclosed capable of operating entirely off solar radiation and intended for large scale industrial use offshore. A lens focusing system housed within an enclosed shell focuses the incident radiation from the sun on a heating ... | 06/30/1981 |
| 4256090 | Solar heating system A solar heating system adapted to be installed in a chimney. A solar tank is mounted on top of the chimney. A translucent dome covers the top of the solar tank. An outer pipe extends down from the solar tank through the chimney. A heating tank is located ... | 03/17/1981 |
| 4249512 | Solar air and water heater A solar air and water heater comprises a solar energy collector which is crossed by a forced air flow fed by an electrically driven fan. The solar energy collector has an air inlet pipe and an air outlet pipe both connected to an air flow control device w... | 02/10/1981 |
| 4238873 | Apparatus for collecting and transporting heat energy The invention is an apparatus for collecting and transporting thermal energy as vaporized fluid. The vapor will flow from a heat absorption chamber and through a conduit to a point of use where it is condensed. The heat absorption chamber includes a sump ... | 12/16/1980 |
| 4232655 | Solar energy collection The invention is a solar energy conversion apparatus in which several evacuated, glass tubular collectors are connected together in a liquid circulation system for controlled movement of a liquid between the interior of the collectors and a storage tank. ... | 11/11/1980 |
| 4220138 | Refrigerant charged solar heating structure and system A solar heating system is provided. The heating system comprises a solar collector structure operatively connected to a heat dissipating structure including means for ultimately using the heat energy which the system produces. Refrigerant is used in the s... | 09/02/1980 |
| 4186726 | 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... | 02/05/1980 |
| 4182960 | Integrated residential and automotive energy system An integrated system including a residence and an automobile utilizes environmental energy, such as solar energy, as the primary energy source, and the automobile provides a backup or supplementary source of energy for this system. An exemplary system has... | 01/08/1980 |
| 4170222 | Solar heat collector A solar heat collector constructed from transparent material utilizes a circulating absorptive fluid medium to collect solar energy. The collector comprises a plurality of cascaded fluid reservoirs, each reservoir having a self-draining feature active dur... | 10/09/1979 |
| 4138996 | Solar heater freeze protection system A solar water heating system heats water in a solar panel and stores it in a water storage tank. A pump circulates the water in the system, from the water storage tank through the solar panel back to the water storage tank when energy can be transferred f... | 02/13/1979 |
| 4136670 | Solar heating collector apparatus A solar heating system including an energy absorbent collector dish for receiving solar heat, a supply tube for distributing a heat transfer fluid over the collector dish, a drain pipe for removing the heat transfer liquid from the collector dish and an o... | 01/30/1979 |
| 4119086 | Storage tank assembly A storage tank divided into three liquid-tight compartments. The end compartments are liquid storage compartments and are separated by a central non-liquid holding or "dry" compartment fitted with controls, pumps and instrumentation. The end compartments ... | 10/10/1978 |
| 4108156 | Solar-heated stock tank A heated stock tank with insulated walls and a drinking trough on a side is surrounded by a larger stock tank to protect it from livestock. The heated stock tank has a steel plate above the water. Copper tubes depending from the plate are immersed in the ... | 08/22/1978 |
| 4108374 | Heat storage water tank A heat storage tank suitable for solar house heating systems. The tank includes a rigidly supported bottom panel covered with a layer of stones of substantially uniform size which are bonded together thermally and mechanically at their points of contact w... | 08/22/1978 |
