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4507925 |
Method for and thermal energy injection withdrawal system for aquifers
A process has been invented to inject and withdraw water from an aquifer for purposes of energy storage under some abnormal conditions. This transfer system is for thermal energy storage...
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4505326 |
Heat pipes with shrouded fins and fan
A soil freezing apparatus includes a vertically oriented sealed heat pipe containing refrigerant and having a soil-embedded lower end and an upper end with radial heat exchange fins for conducting...
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4505322 |
Method of storing heat and heat store for carrying out the method
A store for storing heat in rock is produced in that the rock is split up hydraulically in approximately plane parallel fissure planes from a number of boreholes (9, 9', 9", 26). One or more...
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4498526 |
Solar efficient structure
A solar efficient structure is disclosed which comprises a central chase positioned vertically within the structure and connected in fluid communication with a duct network positioned in thermal...
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4498454 |
Method of and means for seasonally storing heat in a body of water
Heat is stored in a closed basin having a net inflow of relatively fresher water connected by a strait to a larger body of relatively saltier water by selectively controlling the exchange of water...
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4495723 |
Method of preventing frost damage of vegetation
A method of maintaining vegetation above frost damage levels in which the roots, stems, trunks or foliage of the vegetation is surrounded by a phase change material having a melting point in excess...
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4495781 |
Underground cooling system and method
An underground air cooling system and method for at least one building including an air line disposed beneath the ground for conveying air to an I-tank filled with fluid that is also disposed...
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4492083 |
Geothermal salinity control system
Highly saline geothermal brine, such as that produced from the lower geothermal reserve of the Salton Sea geothermal field, is diluted with non-geothermal water of much lower salinity in a mixing...
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4491367 |
Method for subterranean generation of heat as a source of energy
Subterranean generation of heat as a source of energy optionally accompanied by the production of minerals. In subterranean formations of minerals that are capable of undergoing an enthalpic...
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4483318 |
Borehole reservoir
A borehole reservoir includes a plurality of vertical boreholes (5, 6) in each of which there is arranged pipes (9, 17) for feeding water to and returning water from the boreholes. In order to...
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4476921 |
Insulating air sheath for buildings and the like
Low grade heat is supplied to heat air which is used to provide an insulating sheath for a building or the like. The low grade heat is obtained from the ground below the hard frost line from either...
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4475535 |
Segregated solar pond
A segregated solar pond includes an upper level of water overlying a lower level of water, and an impermeable barrier interposed between the two levels for preventing intermixing. The average...
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4467619 |
Method of using frozen salt water to maintain a low cost, low energy consuming indoor or outdoor ice rink
A method for creating an ice-skating rink comprising an excavation in the ground lined with polyethylene and filled with salt water; a pump and sprayer used in the winter to build up a layer of...
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4466256 |
Ground-installed coldness storage and utilization system
A ground-installed coolness storage and utilization system wherein a given volume of water-soaked soil is frozen by passing an air-chilled heat-exchange liquid through tubes buried in the soil, and...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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