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| Number | Title | Issue Date |
| 4464082 | Chilled gas pipeline installation and method A chilled-gas carrying pipeline installation in soil or rock zones with different heave properties is disclosed which includes an earth-covered buried steel pipe with insulation formed of high strength urethane or other material covering substantially the... | 08/07/1984 |
| 4461157 | Ground water heat pump system for low yield well A heat pump system utilizing water for heat transfer purposes from a well having a continuous supply rate capability which is less than that required by the heat pump of the system is arranged to provide for the continuous return to the well of a portion ... | 07/24/1984 |
| 4459177 | Ground moisture transfer system A method and an apparatus is disclosed in which solar heated air is drawn down a hole in the earth by a draft from a solar heated convection column located above the surface of the earth, the hot air being initially drawn downwards to a depth at which dam... | 07/10/1984 |
| 4458492 | Method for the recovery of geothermal energy A method for the recovery of geothermal energy from subterranean formations comprising injecting a thermally stable, non-corrosive, non-aqueous fluid into said formation to absorb heat; recovering the heated fluid from the formation; and, recovering heat ... | 07/10/1984 |
| 4456056 | Modified annual cycle energy system The Annual Cycle Energy System (ACES) is a system that provides domestic hot water heating, space heating and space cooling for buildings. This system uses a unidirectional heat pump and a large water/ice storage tank to make ice during the heating season... | 06/26/1984 |
| 4452229 | Thermal heat storage and cooling system An improved heat storage and cooling system utilizing a conventional solar energy collector as a heat source, a thermal mass of stacked cement blocks with interal horizontally aligned air passageways for warm or cool air storage and a dual-purpose structu... | 06/05/1984 |
| 4452303 | Device and a method for recovering heat from the soil A device and method for recovering heat from the soil and groundwater, comprise heat-exchanging means consisting of an inner tube, an outer tube and partitions forming longitudinal channels between said inner and outer tube. An inlet for heat-exchanging f... | 06/05/1984 |
| 4449572 | Subterranean heating and cooling system A method and equipment for increasing the efficiency of a heat pump is the subject of the present invention. The method comprises providing an underground pathway for air travel, forcing a quantity of air through the pathway for operation of the heat pump... | 05/22/1984 |
| 4448237 | System for efficiently exchanging heat with ground water in an aquifer A method and means for using ground water in an aquifer as a heat source and heat sink are disclosed wherein heat is exchanged between the uniform temperature ground water and heat-exchanging apparatus at the earth's surface through a single well bore. Th... | 05/15/1984 |
| 4448238 | Heat exchange system and process for heating and cooling using geothermal energy In a system and process for heating and cooling a house, circulated and/or intake air is passed through a system which utilizes low intensity and readily available geothermal heat capacity to heat or cool such air. The ducts of the system have an internal... | 05/15/1984 |
| 4444249 | Three-way heat pipe A three-way heat pipe configured in a generally Y-shape having a condenser-evaporator or heat-sink end, an evaporator arm and a condenser arm. In addition to conventional internal pumping the heat pipe is mechanically pumped externally from the heat-sink ... | 04/24/1984 |
| 4440148 | Method of and means for maintaining a halocline in an open body of salt water A halocline is maintained in open body of salt water at a depth to which a significant amount of solar radiation penetrates by inducing an upward vertical flow in the body of water sufficient to counter wind-mixing and molecular diffusion thereby establis... | 04/03/1984 |
| 4434785 | Heat accumulator An underground heat accumulator of the low temperature type for storing solar energy from a solar collector (8) by means of a plurality of buried double pipes with an outer pipe (3) and an inner pipe (5) has said pipes conically disposed, extending from a... | 03/06/1984 |
| 4433720 | Earth tempered building design system A section of a cement block building, usually a dwelling place, is illustrated with six versions of the means to carry out the basic concept. At some distance below the earth's surface, the temperature of the earth structure is substantially constant. This sta... | 02/28/1984 |
| 4428200 | Geothermal plant fluid reinjection system A system for extending the operational life of the reinjection system of a geothermal power plant energized by high temperature, high silica content geothermal brine from a source such as the Salton Sea geothermal field or the Brawley geothermal field. Th... | 01/31/1984 |
| 4427055 | Heating and cooling system using ground water A forced air heating and cooling system employs a water source heat pump as the primary heating source and as a back-up or supplementary source of cooling. Supplementary heating is supplied by an electrical heater such as resistance heater, while primary ... | 01/24/1984 |
| 4420036 | Energy efficient housing structure An energy efficient housing structure combines the desirable features of earth coupling with an outer air circulation envelope which is further combined with a chase or main air circulation conduit extending from the earth-coupled section of the envelope ... | 12/13/1983 |
| 4418549 | Apparatus for extracting potable water Apparatus and method for extracting potable water are disclosed in preferred form as extracting drinking water from moisture-laden air at atmospheric temperature through the use of a heat exchanger at or near subsurface temperature which is in air communi... | 12/06/1983 |
| 4417618 | Air-conditioner control system for vehicles An air-conditioner control system for vehicles which is responsive to a condition in the compartment of a vehicle to move an air-flow controlling damper in an air duct. When the supply mode of conditioned air is a heater supply mode and when it is detecte... | 11/29/1983 |
| 4412426 | Wiser cooling system A system for transmitting, storing and utilizing cold which includes the use of mechanical refrigeration equipment for tramsmitting cold to cool anti-freezing liquid in a cold storage chamber which in turn freezes water in bags installed in the cold stora... | 11/01/1983 |
| 4412527 | Greenhouse of an underground heat accumulation system A greenhouse of an underground heat accumulation system wherein the radiant energy of the sun or wasted thermal energy is accumulated in the soil below the floor of the greenhouse over a prolonged period of time, and spontaneous release of the accumulated... | 11/01/1983 |
| 4409798 | Energy-saving cooling system A system for transmitting, storing and utilizing cold which includes the use of either natural cold ambient air or mechanical refrigeration equipment for transmitting cold air to freeze water in containers installed in the cold storage chamber. When an ai... | 10/18/1983 |
| 4408657 | Method for transporting low temperature heat long distances A new method for transporting low temperature heat long distances consists of a system of high pressure air with a high specific heat in a low heat loss and low cost non-metallic heat pipe that is coilable for plowing into the earth. The hot air is used f... | 10/11/1983 |
| 4407351 | Method for heat absorption from a sea bottom or the like In order to prevent a conduit for heat absorption from a sea bottom or the like to float up in wintertime from the bottom due to icing, it is proposed according to the invention that the flow cross-section of the conduit is heat insulated from the surroun... | 10/04/1983 |
| 4403643 | Method and apparatus for accumulating, storing and releasing thermal energy A heat storage medium includes a halide or sulfate salt of a divalent or trivalent metal which salt has hydrated and dehydrated states with high heat of hydration. The medium is dehydrated by heating it with heat derived from a natural source such as sola... | 09/13/1983 |
| 4399656 | Long-period thermal storage accumulators A long-period storage accumulator for storing heat water is used as a storing medium. The water is enclosed in large thin-walled containers which are arranged under the ground. The water pressure forces acting on the container walls are carried by the sur... | 08/23/1983 |
| 4392531 | Earth storage structural energy system and process for constructing a thermal storage well A geothermal space conditioning and water heating system for a building structure comprises a battery of serially coupled thermal storage wells. Each well includes a dual concentric thermal conduction tube having an external circumference and an integrate... | 07/12/1983 |
| 4388966 | Buried heat exchanger A horizontal in-ground heat exchanger is disclosed which comprises an input line, a return line and a plurality of heat exchanger pipes connected between the input and return lines. The heat exchanger pipes are divided into a plurality of groups, each inc... | 06/21/1983 |
| 4384459 | Ocean energy and mining system A system for generating energy and extracting minerals from the ocean. The system preferably comprises an underwater chamber adapted to intake cold water at the floor of the ocean and which, for energy generating purposes performs electrolysis. The chambe... | 05/24/1983 |
| 4384609 | Earth/block air preconditioner An earth/block air preconditioner for use in dwellings and other buildings wherein the outside air is drawn below ground and passed through concrete blocks which are preformed with a pair of openings so that the outside air and inside air from the buildin... | 05/24/1983 |
| 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 |
| 4375831 | Geothermal storage heating and cooling system An indoor space environment heating and cooling system in which a massive thermal storage unit is interposed between a geothermal heat energy storage capacity--the earth--and a heat pump heating and/or cooling apparatus for controlling and maintaining the... | 03/08/1983 |
| 4375157 | Downhole thermoelectric refrigerator Cooling of electronic components, positioned downhole in a high temperature environment in a deep well, is achieved by a thermoelectric cooling system within a long vacuum insulated dewar flask which encompasses the electronic components and the cooling s... | 03/01/1983 |
| 4375153 | Process and apparatus for control of two-phase flow to geothermal power plants Method and apparatus for transmitting a two-phase fluid of water and steam from a geothermal well head to a thermal energy use plant. A pipeline with substantially no flow restrictions and a decoupling tank, with the pipeline directly feeding the tank, an... | 03/01/1983 |
| 4373573 | Long term storage and use of solar energy A method and system for the passive solar energy induced storage and use of thermal energy at both high and low temperatures, comprising a collector (76,110) communicating with the atmosphere for collecting air acting as a carrier for thermal energy, an u... | 02/15/1983 |
| 4372386 | Steam injection method and apparatus for recovery of oil A method and apparatus for recovering oil from an oil bearing formation utilizing steam injected into the formation. A working fluid is heated at the surface to produce a reversible, chemical reaction, particularly a reforming reaction in a reforming/meth... | 02/08/1983 |
| 4369635 | Subterranean heating and cooling system A method and equipment for increasing the efficiency of a heat pump is the subject of the present invention. The method comprises providing an underground pathway for air travel, forcing a quantity of air through the pathway for operation of the heat pump... | 01/25/1983 |
| 4365478 | Support for a spherical tank The support has a filling of insulating concrete which fills the space between the foundation slab and sand support layer. A cold sink formed of horizontal pipes laid in the main wind direction is encased in a middle region of the support. An impermeable ... | 12/28/1982 |
| 4361135 | Cooperative heat transfer and ground coupled storage system A cooperative heat transfer and ground coupled storage system wherein collected solar heat energy is ground stored and permitted to radiate into the adjacent ground for storage therein over an extended period of time when such heat energy is seasonally ma... | 11/30/1982 |
| 4360056 | Geokinetic energy conversion An energy conversion system employing a heat transducer and a set of heat exchange earth fields. The connection of the fields to the heat transducer is controllably variable. The fields are used to extract or dissipate heat according to whether a heating ... | 11/23/1982 |
