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| Number | Title | Issue Date |
| 6776154 | Solar energy system with direct absorption of solar radiation A solar energy system comprises a solar absorber in the form of a solar boiler tank with a lower working liquid region having a liquid inlet and filled with a working liquid capable of boiling under a predetermined pressure, and an upper vapor accumulation region ha... | 08/17/2004 |
| 5850831 | Loose-tight-loose twist, twisted-tape insert solar central receiver This invention reduces a molten salt, solar central receiver's size, pressure loss and cost by using a loose-tight-loose twist, twisted-tape insert inside the receiver's tubes to enhance the tube's heat transfer coefficient. This twist staging is designed... | 12/22/1998 |
| 5113659 | Solar thermal energy receiver A plurality of heat pipes in a shell receive concentrated solar energy and transfer the energy to a heat activated system. To provide for even distribution of the energy despite uneven impingement of solar energy on the heat pipes, absence of solar energy... | 05/19/1992 |
| 4787444 | Heating and cooling system A heating and cooling system is provided which utilizes a heat exchange material such as water which undergoes reversible phase changes from a solid to a liquid phase during operation to store heat energy. The system includes a storage chamber, solar, amb... | 11/29/1988 |
| 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 |
| 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 |
| 4681089 | Convection powered solar heater for water tanks A solar heated convection column in the form of a long rectangular black box collector with its length disposed vertically is used to produce a draft of air entering at the bottom and exiting at the top and the low pressure draft at the bottom of the colu... | 07/21/1987 |
| 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 |
| 4603685 | Solar heating system The present invention relates to a solar water heating system operating in a closed circuit and making use of a change of phase in a working fluid as a heat transfer medium, comprising: at least one collector to be exposed to sunlight for transmitting rad... | 08/05/1986 |
| 4566430 | Sun heating equipment The outlet of the collectors is connected to the inlet thereof by means of a line in which are mounted the primary part of a heat exchanger condenser, a vacuum pump, a venting cylinder, and a flow-control device. A distributing device feeds water with a p... | 01/28/1986 |
| 4513732 | Passive integral solar heat collector system The present invention relates to an improved apparatus for collecting, absorbing, transferring, and storing solar heat energy, economically and passively, without pumps or electric power. The apparatus comprises a solar collector with a flat finned heat p... | 04/30/1985 |
| 4437456 | Heat collector A heat collector and method suitable for efficiently and cheaply collecting solar and other thermal energy are provided. The collector employs a heat pipe in a gravity-assist mode and is not evacuated. The collector has many advantages, some of which incl... | 03/20/1984 |
| 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 |
| 4412528 | Heat storage window The present invention comprises a planar window panel, which is in optical contact with heat storage means. The panel includes a fluorescent material for trapping at least a portion of the incident solar radiation and directing it to the heat storage mean... | 11/01/1983 |
| 4376435 | Solar powered air conditioning system An assembly that harnesses solar power for diverse applications. The principal application utilizes three closed loop elements for operating an air conditioning system. The first loop is a brine-carrying conduit, said brine being heated in a solar collect... | 03/15/1983 |
| 4347892 | Energy storage unit and system A heat storage unit (100) in the form of a rectangular parallelepiped is provided with a removable closure element (104), and contains a plurality of removable closed plastic tubes (126) holding a heat storage substance, the tubes being laterally supporte... | 09/07/1982 |
| 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 |
| 4335706 | Energy collector and transfer apparatus An energy collector and transferring apparatus which in its first embodiment utilizes three connected closed loop conduit systems. The first closed loop conduit system is to include an energy collector which is to collect not only solar energy but ambient... | 06/22/1982 |
| 4331129 | Solar energy for LNG vaporization Disclosed is an apparatus for vaporizing a normally gaseous fluid which is in liquefied state which apparatus employs solar energy for heating a second fluid which preferably is water, which solar heated second fluid is passed into heat exchange relations... | 05/25/1982 |
| 4313424 | Solar heating system An improved solar heating system in which the incident radiation of the sun is absorbed on collector panels, transferred to a storage unit and then distributed as heat for a building and the like. The improvement is obtained by utilizing a storage unit co... | 02/02/1982 |
| 4301788 | Solar water reclamation system An energy-saving system for reclaiming the waste water contained in the ice shavings obtained from resurface ice at an ice skating rink, the system including a first tank for holding the ice shavings, a second tank for storing the waste water from the mel... | 11/24/1981 |
| 4286577 | Apparatus for containing liquid Longitudinally spaced sections of a collapsible plastic tube are supported on vertically spaced support surfaces. The supported sections of the tube serve as liquid reservoirs, these reservoir sections being laterally supported at their outlet ends by an ... | 09/01/1981 |
| 4285333 | Solar energy collecting system In a solar energy collecting system which comprises a primary closed circuit including a solar energy collector, a heat exchanger, a carrier fluid receiver tank, and a circulating pump and a secondary closed circuit including a utilization means and engag... | 08/25/1981 |
| 4263961 | Method and an apparatus for storing heat energy A method and an apparatus for storing heat energy in a hybride heat storage apparatus comprising a first and a second material are disclosed, the first and the second materials having different melting temperatures and different densities and being non-mi... | 04/28/1981 |
| 4213448 | Thermosiphon solar space heating system with phase change materials A fluid thermosiphon system including a heat collection channel in communication above and below an insulating member to a heat storage region in a closed loop, the storage region includes spaced apart panels of an entirely encapsulated phase change mater... | 07/22/1980 |
| 4184479 | Greenhouse with stored solar energy capability A greenhouse over an agricultural bed or the like comprising a rotating structure. At least one window in said structure lies within a generally parabolic trough surface. The window can both transmit and reflect solar energy. A heat collector is positione... | 01/22/1980 |
| 4159708 | Solar energy collector and heat exchanger A solar energy collector and heat exchanger for use in a solar energy system that provides space heating and preheating of water for a building or residence is disclosed. The solar collector and heat exchanger comprises a rectangularly shaped, box-like ho... | 07/03/1979 |
| 4143642 | High temperature thermal storage system utilizing solar energy units A thermal storage system includes a solar collector. A first fluid circulating through the collector is piped to a heat exchanger wherein heat in the first fluid is transferred to a second fluid circulating through a heat pump circuit. The temperature of ... | 03/13/1979 |
| 4131158 | Storage arrangement for thermal energy Heat of liquefaction and solidification is transmitted between a heat storing material undergoing the phase transition and a heating medium in a heat exchanger by means of a partly gaseous, partly liquid fluid sealed in a heat pipe a portion of which is r... | 12/26/1978 |
| 4124020 | Apparatus for collecting solar energy A solar energy collector has a corrugated, inclined plate exposed to solar rays on a blackened front or top side thereof. A heat-absorbing liquid carrier adheres to an opposite rear or undersurface of the plate in the form of a thin sheet by surface tensi... | 11/07/1978 |
| 4116222 | Process and apparatus for collecting solar energy A process and apparatus for collecting solar energy involving exposing a mixture of a fluid carrier and heat absorbing particles to the rays of the sun in a container having a transparent cover facing the rays of the sun, and circulating the mixture to a ... | 09/26/1978 |
| 4108160 | Solar water heating apparatus A utilization of solar energy to heat a domestic hot water supply wherein an apparatus employs fluid pressure generated by solar radiation as both the motive force of pumping and controlling agent for maximizing heat gain and timing of required transfers ... | 08/22/1978 |
| 4084580 | Combination solar collector and heat exchanger A solar collector is provided with parallel spaced glass or plastic windows with a hermetic seal for the space between them, the inner window being spaced from a collector plate having a heat exchanger plate contiguous with the back, unlighted side of the... | 04/18/1978 |
| 4054126 | System for storing and releasing thermal energy A system for the cyclic storage and recovery of thermal energy utilizing a particulate bed of a decomposable heat storage material selected from the group consisting of the hydroxides of magnesium, calcium, and barium. The bed of heat storage material is ... | 10/18/1977 |
| 3991938 | Combination heat pump and low temperature solar heat absorber A combination heat pump and solar heat absorber includes an outside conduit acting as an evaporator and heat absorber in cold weather and as a condenser and heat dissipator in warm weather. The heat absorber is exposed to the sun, and a spray device enabl... | 11/16/1976 |
| 3970070 | Solar heating system A solar heating system comprising a lens collector arrangement, an insulation area, and a storage section positioned in an enclosing structure, and an associated utilization means. The collector lens is an array of light guide lenses having alternate high... | 07/20/1976 |
| 3955554 | Solar heating system A solar heating method and apparatus including a system for storing solar heat is provided for heating a house, building or other area. A chamber is filled with calcium oxide which is fed on demand to a tank of water where it converts to calcium hydroxide... | 05/11/1976 |
