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| Number | Title | Issue Date |
| 7235945 | Energy conversion systems A device comprising a massfree energy receiver and means to convert massfree energy into ordinary electricity or mechanical work, including a pulsed plasma reactor driving an inertially damped drag motor. ... | 06/26/2007 |
| 7195176 | Temperate water supply system A temperate water supply is provided. The temperate water supply system includes a temperate water storage tank and a heat exchanger. The temperate water storage tank has a first tank inlet, a first tank outlet, a second tank inlet and a second tank outlet. The firs... | 03/27/2007 |
| 6044200 | Hot fluid dispenser with inner reservoir containing meltable material and heat pipes transferring heat to outer reservoir A hot fluid dispenser comprises a first reservoir (1) for the fluid (usually water); at least one heating source (7, 8) operatively associated with the first reservoir 91); and at least a second reservoir (9) defining an interface with the first reservoir... | 03/28/2000 |
| 5660165 | Back-up heater An apparatus for heating a domestic water supply including a glass-lined storage tank to contain the domestic water supply. A combustible fuel burner is positioned to heat the domestic water supply within the glass-lined storage tank. A solar heating tube... | 08/26/1997 |
| 5159918 | Hot water storage tank for solar collectors A baffled hot storage tank for solar collector systems is provided. The t includes a concentric cylindrical baffle having a circulation port at the bottom of the baffle and another circulation port at the top of the baffle. This configuration restricts t... | 11/03/1992 |
| 5103802 | Thermosyphon heat-storage and backup heat apparatus Prior inventions in 2-tank solar heat-storage systems, generally speaking, provide for solar-produced heat stored in a first tank. Therefore STORED solar heat is limited to that one tank. Backup heat is produced and stored in a second tank. In the present... | 04/14/1992 |
| 4718403 | Control for water heater system A control arrangement for a water heater system that includes a water heater having a heating element, an alternate heat source which is preferably a solar collector panel, and a heat exchange and storage unit containing a phase change material therein fo... | 01/12/1988 |
| 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 |
| 4624242 | Solar heat transfer and storage system A heat transfer and storage system including a storage chamber containing a phase change material, a water heater having a first conduit in which the potable water is conveyed, and a solar collector having a second conduit through which a heat transfer li... | 11/25/1986 |
| 4545365 | Fluid heating system utilizing solar energy and waste heat A 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 vapor to a fluid... | 10/08/1985 |
| 4520795 | Solar collector having tank and glazing construction Apparatus for integral collection and storage of solar thermal energy, comprises (a) a relatively large storage vessel having side and end walls that absorb solar energy in order to heat its contents; (b) a translucent enclosure surrounding the large storage v... | 06/04/1985 |
| 4458669 | 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... | 07/10/1984 |
| 4416257 | Solar energy collector A solar energy collector comprising a collector core located within a longitudinal parabolic reflector and formed of a series of spaced tubes exposed to the direct rays of the sun and to rays reflected by the reflector and arranged in a cylindrical array ... | 11/22/1983 |
| 4403602 | Control valve unit for solar energy system A control valve unit for controlling the flow of water through a solar energy system that includes a solar energy heated water storage tank and a conventionally heated water storage tank, the control valve unit incorporating improved valve means which may... | 09/13/1983 |
| 4397294 | Solar water heating system A solar water heating system is provided which includes a domestic pressurized water tank with a non-pressurized solar water storage tank placed directly atop it. Because the solar loop is non-pressurized and because the fluid (water) used in said solar l... | 08/09/1983 |
| 4388916 | Steam generation apparatus A steam generation apparatus includes a primary source of hot water supplied to an enclosed hot water receptacle maintained at a pressure of approximately 300 psi. Supply and return lines pump the hot water in a recirculating manner through a serially con... | 06/21/1983 |
| 4369629 | Natural energy extractor The invention is a multiple-mode energy utilization device combining elements which extract solar energy, those which utilize wind energy, and those utilizing rising convection currents caused by heated air. In one principal embodiment, a wind rotor on a ... | 01/25/1983 |
| 4345584 | Solar energy system The invention is a solar energy apparatus based on the concept of large area solar radiation reception, comprising a plurality of individual solar receptors, each solar radiation receptor being a flat plate collector adapted to hold relatively shallow lay... | 08/24/1982 |
| 4328791 | Gas supplemented solar collector storage means The gas supplemented solar collector storage means includes a water tank having supply and return connections for circulating water from the tank to a solar collector and back to the tank. A combustion chamber having top and side openings is disposed with... | 05/11/1982 |
| 4325357 | Solar energy and ground-water cooling devices This invention relates to devices and methods for heating and cooling, which may include solar energy heating devices and direct heating by solar energy, utilizing ground water in connection with a heat pump and/or one or more direct coils to effectuate d... | 04/20/1982 |
| 4309982 | Process and apparatus for the preparation of hot water from solar energy A process for preventing freezing of solar collectors by automatic drainage of the water or liquid working fluid contained within the collectors the working fluid is drained from the collector, but remains within the closed solar collector circuit. Appara... | 01/12/1982 |
| 4299199 | Methods of and apparatus for heating fluid materials Methods of and apparatus for maintaining fluid materials at selected bulk temperatures which employ solar energy as the primary heat source. The methods and apparatus may be used to, for example, protect fluids against freezing and to keep their viscosity... | 11/10/1981 |
| 4282861 | Water heating system using solar energy A water heating system includes a solar collector panel, a hot water heater tank, a serpentine tube-in-sheet heat exchanger jacket built into the water tank assembly, pumping means, fluid transfer means and means for securing the heat exchanger jacket aro... | 08/11/1981 |
| 4265220 | Multiple fluid medium system and improved hot water supply tank assembly utilized therein A multiple fluid medium energy conversion system for a building which includes a radiant energy panel assembly connectable alternatively with a closed Brayton cycle closed air circuit or an open environmental air circuit, the open environmental air circui... | 05/05/1981 |
| 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 |
| 4253446 | Storage reservoirs for liquids heatable by solar energy A storage reservoir for a domestic hot water supply is divided into an upper stand-by tank, including an auxiliary heating device, from which hot water is drawn and a lower tank which includes a heat exchanger connectable to a solar energy receiving circu... | 03/03/1981 |
| 4246886 | Freeze protected hot water solar heating apparatus Freeze protected hot water solar heating apparatus for providing room heating and domestic hot water service comprising a solar heat collector, a water storage tank, a freeze protector, a fuel burning boiler, a heat exchanger, in-line sensors, and pumps f... | 01/27/1981 |
| 4232656 | Integral storage collector solar heating system In an integral storage collector solar heating system, water heated in a conventional hot water heater is first preheated in an integral storage collector. The storage collector includes a heat storing medium, preferably clean water, in a storage tank. Wa... | 11/11/1980 |
| 4207866 | Solar heating system including freeze protection A solar water heating system under normal operating conditions permits water to be circulated by a pump from a hot water storage tank through a one-way check valve and a solar collector back into the hot water storage tank when energy can be transferred f... | 06/17/1980 |
| 4192454 | Solar heated building structure A solar heated building structure comprising an exterior shell including side walls and a roof section with the major portion of the roof section comprised of light transmitting panels or panes of material to permit passage of sunlight into the attic sect... | 03/11/1980 |
| 4191172 | Thermostatic mixer valve In a solar energized hot water heating system, valve means responsive to the heated output from the solar heater for directing heated water alternately between a pair of storage tanks. The valve means includes a thermostatic element responsive to water te... | 03/04/1980 |
| 4169460 | Solar converter system with thermal overload protection A solar energy conversion system comprises: (a) a solar converter in which liquid absorbs solar radiation, the liquid being solar energy absorptive, (b) first means to circulate said liquid for flow through the converter, and (c) means to effect removal of liq... | 10/02/1979 |
| 4169554 | Solar energy system with heat pump assistance A system for heating and cooling of environmental spaces, the present invention efficiently utilizes collected solar energy, the solar energy being stored at least partially in a phase change heat storage material. The collected solar energy can be utiliz... | 10/02/1979 |
| 4157706 | Water heater A water heater capable of utilizing as one of its heat sources hot exhaust gases emitted from at least one other heat source such as a furnace fueled by a natural resource fuel such as gas or oil, and capable of utilizing as another of its heat sources he... | 06/12/1979 |
| 4147157 | Self-supporting active solar energy system An active solar energy system comprising an array of solar collectors, a pumping device to circulate fluid therethrough and a storage tank to contain the heated fluid. The pump is driven by an electric motor and a solar-electric power transducer system en... | 04/03/1979 |
| 4143814 | Control and transfer of energy A system for the efficient control and transfer of energy from a multiplicity of different sources, such as the sun and fossil fuels, using a heat exchanger and various storage units. When solar energy is available, it is transformed and used or stored. W... | 03/13/1979 |
| 4063546 | Heat store and installation for the utilization of solar energy A heat accumulator is provided which has a heat exchanger embedded in a crystalline substance and has a maximum operating temperature greater than the melting point of the crystalline substance. The latter and the heat exchanger are integrated in a mouldi... | 12/20/1977 |
| 4052000 | Solar energy augmented water heating system Solar energy is utilized to augment the heater of a water heating system, such as a domestic hot water system, having a water storage and heating tank by conducting water to the tank through a solar energy storage tank and circulating a heat transport liq... | 10/04/1977 |
| 4052001 | Heating system The water for a central heating system is supplied with thermal energy in a boiler equipped with an oil burner and with a thermostatically controlled mixing valve that mixes the water heated in the boiler with water from a return line by-passing the boile... | 10/04/1977 |
| 4037785 | Combination solar and electric heater Heater comprises a container divided into upper and lower chambers by a perforated plate. The container is connected to receive heated liquid from a solar collector and deliver it to radiators or the like. The container is equipped with an electrical heat... | 07/26/1977 |
