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7581592 |
System and method for the manufacture of fuel, fuelstock or fuel additives
A method and system is provided relating to the production of ethanol or other renewable bio-fuels on a mass, large scale basis while maintaining a positive energy balance. In one example, the...
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7578140 |
Deep well/long trench direct expansion heating/cooling system
A direct expansion geothermal heat exchange system including certain line set sizes, distances, designs, depths, and lengths, including a long trench system design, certain vapor line coverings and...
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7566980 |
System and method for creating a geothermal roadway utility with alternative energy pumping system
A roadway system and method for energy generation and distribution are presented. This system allows a geothermal infrastructure to be tied into the roadway system electricity grid. The geothermal...
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7490657 |
Double-pipe geothermal water circulating apparatus
A double-pipe geothermal water circulating apparatus including an outer pipe having a geothermal water supplying strainer for infiltrating geothermal water from an aquifer and a geothermal water...
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7445057 |
Method and apparatus for introducing elongate members into the ground
A drill head has a domed leading face and carries cutting teeth. A tubular drill string can be used to drive the head into the ground. An off-center aperture communicates with the bore of the...
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7438501 |
Ground freezing installation accommodating thermal contraction of metal feed pipes
A ground freezing system includes a metal feed pipe for delivering refrigerant to the lower end of a freeze pipe installed in a bore in the ground. The feed pipe is supported on a compression...
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7407003 |
Ground source heat exchange system
A ground source heat exchange system includes an upstream manifold and a downstream manifold. More than one heat exchange flow circuit can be connected to the upstream and downstream manifolds for...
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7401641 |
Vertically oriented direct exchange/geothermal heating/cooling system sub-surface tubing installation means
A system for installing sub-surface fluid transport tubing and pressure testing coupling seals in a vertically oriented geothermal heating/cooling system installation, and particularly in a direct...
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7377122 |
Coaxial-flow heat exchanging structure for installation in the earth and introducing turbulence into the flow of the aqueoue-based heat transfer fluid flowing along the outer flow channel while its cross-sectional characteristics produce fluid flows therealong having optimal vortex characteristics that optimize heat transfer with the earth
The coaxial-flow heat exchanging structures installed in the Earth, for facilitating the transfer of heat energy in the aqueous-based heat transfer fluid, between the aqueous-based heat transfer...
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7370488 |
Geo-thermal heat exchanging system facilitating the transfer of heat energy using coaxial-flow heat exchanging structures installed in the earth for introducing turbulence into the flow of the aqueous-based heat transfer fluid flowing along the outer flow channel
A geothermal heat exchanging system including a heat exchanging subsystem installed above the surface of Earth, and one or more coaxial-flow heat exchanging structures installed in the Earth. The...
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7347059 |
Coaxial-flow heat transfer system employing a coaxial-flow heat transfer structure having a helically-arranged fin structure disposed along an outer flow channel for constantly rotating an aqueous-based heat transfer fluid flowing therewithin so as to improve heat transfer with geological environments
A coaxial-flow heat transfer system for installation in a geological environment and facilitating the transfer of heat energy between an external heat energy producing system and the geological...
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7337838 |
Plant for tempering of a building
A plant for tempering a building, including an energy storage unit formed by ground heat exchangers coupled in parallel and each including a heat insulated leg and a non-insulated leg in thermal...
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7270182 |
Earth loop installed with sonic apparatus
A method for installing a heat exchange pipe loop in a borehole, the method, in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected...
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7261145 |
Snow melting panel
A snow melting panel has a piping arrangement that includes straight pipe lines and U-shaped bend sections is provided. The panel can be sized such that the parallel length of the straight pipe...
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7234523 |
Hydraulic friction fluid heater and method of using same
A method and apparatus for heating a portion of a subsea structure is provided. The method includes pumping a fluid through a length of tubing such that the temperature of the fluid increases. The...
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7234314 |
Geothermal heating and cooling system with solar heating
A sealed well direct expansion geothermal heat exchange unit, whose sealed well can be placed in ground and/or in water, consisting of a conventional direct expansion, or other heat pump, system...
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7213649 |
Geothermal pipe weight
A method and apparatus for adding rigidity and weight to the piping used in geothermal wells for ground-source heat pumps enhances insertion of the piping into the wells. The weight used must be...
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7118307 |
Cooling water intake system
A cooling water intake system is configured to minimize entrainment, impingement and thermal plumes associated with the operation of onshore industrial facilities, such as a power plant, and...
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7082779 |
Geothermal heat accumulator and air-conditioning using it
A geothermal accumulator and a air-conditioning system using the geothermal accumulator, said geothermal accumulator includes a well pipe and a heat-accumulating pipe inserted within the well pipe...
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7077191 |
Means for maintaining the surface temperature of a playground structure within an ergonomically acceptable range
A playground structure 201 is provided herein which comprises at least one component 31 having a playing surface 41 thereon, and a heat exchange system adapted to modify the temperature of...
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7048037 |
Geothermal heating and/or cooling apparatus and method of using same
A geothermal apparatus comprising a first pipe for receiving a heat exchange liquid therein and a second pipe for receiving the heat exchange liquid therein and having a web integrally connected to...
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7036596 |
Hydraulic friction fluid heater and method of using same
A method and apparatus for heating a portion of a subsea structure is provided. The method includes pumping a fluid through a length of tubing such that the temperature of the fluid increases. The...
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7017650 |
Earth loop energy systems
Wellbore heat loop systems, fillers for bores in the systems, and methods of the use of such systems; the systems in certain aspects having a heat loop wellbore in the earth having heat loop pipe...
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7004231 |
Natural thermo carrier fluid exchange system for heat reclaim
A system including active heat balance device and fluid transmission pipelines provided inside a solid, liquid, or gaseous thermo carrier with comparatively reliable thermo reservation capacity in...
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6994156 |
Air-conditioning system with thermal storage
An air-conditioning system with thermal storage system for storing cooling capacity. The storage system comprises a quantity of fill material that preferably comprises water or similar liquid that...
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6987928 |
Recirculating air snow melting pad system
A recirculated heated air mat system melts snow and ice from driveways or roofs, preventing its accumulation. The driveway sized, hollow mat of tough, pliable rubber, plastic is resistant to...
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6978828 |
Heat pipe cooling system
Systems and techniques for cooling a component within a housing using a composition of heat pipes. The housing contains a first heat pipe having a condenser section and an evaporator section; a...
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6978826 |
Heating and cooling apparatus, building structure having heating and cooling apparatus, and method of using heating and cooling apparatus
A heating and cooling apparatus comprises a generally hollow heating and cooling tower body having a ceiling part for receiving solar heat and a columnar part for storing the solar heat received by...
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6978825 |
Device and process for the heat insulation of at least one underwater pipe at great depth
The present invention relates to a device for the heat insulation of at least one underwater pipe ( 1 ) intended to be laid on the sea bed at great depth, comprising an insulating coating...
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6955219 |
Earth loop installation with sonic drilling
A method for installing a heat exchange pipe loop in a borehole, the method in at least certain aspects, including drilling a borehole with a sonic drill system having a head and casing connected...
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6945065 |
Cooling/heating system of air conditioner
Cooling/heating system of air conditioner including a duct having a first passage for drawing external air, and a second passage for drawing room air, the second passage having a part crossed with...
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6932149 |
Insulated sub-surface liquid line direct expansion heat exchange unit with liquid trap
A direct expansion geothermal heat exchange unit, which can be placed in sub-surface ground and/or water, consisting of at least one insulated refrigerant liquid/fluid line, with a liquid trap at...
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6932105 |
Antifreezing guard for pipes
A system and kit for forming an inexpensive protective plenum around pipes subject to freezing is disclosed. The system uses tubes formed of thin, flexible material, such as plastic tubes, to form...
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6931879 |
Closed loop direct expansion heating and cooling system with auxiliary refrigerant pump
A direct expansion refrigerant-based heating and cooling system which includes a refrigerant pumping devise calibrated to ease or eliminate the pumping requirements placed upon the system's...
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6925830 |
Well-water-type liquid cooling and heating resource system
A well-water-type liquid cooling and heating resource system of the present invention, comprises a well, an energy lift device, a discharging pump and a suction pump sequentially connected by...
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6904967 |
Method and system for storm water system heat exchange
A system and method for structure heating, ventilation, and air conditioning (HVAC) that uses a heat exchanger to transfer heat between the structure and a subsurface storm water discharge chamber...
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6899124 |
Antifreezing guard
A system and kit for forming an inexpensive protective plenum around pipes and related equipment subject to freezing on a mobile home is disclosed. The system uses thin, flexible material, such as...
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6860320 |
Bottom member and heat loops
Bottom members for a heat loop for an earth energy transfer system with a moving energy transfer fluid and heat loops with such a bottom member; the bottom member in one aspect including a body...
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6820420 |
Solar-based power generating system
A solar-based power generating system including an electrical alternator or generator for generating electrical power in which the alternator or generator is driven by a refrigerant circulating...
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6810945 |
Conditioning the air in a structure utilizing a gravel heat exchanger underneath the slab
A conditioner for the air in a structure which includes a gravel body beneath a building slab. The gravel is in thermal contact with the earth beneath the slab. The earth is a cold-sink which...
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6808011 |
Heat pipe system for cooling flywheel energy storage systems
A system for cooling a canister has first, second and third heat pipes. The first heat pipe has an evaporator and a condenser. The first heat pipe is mounted with its evaporator inside the canister...
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6802360 |
Heat exchanger for the evaporation of water from pond liquid and method therefor
A floating heat exchanger for pond liquid and a method of evaporating water from the pond liquid that utilizes a mass of pipes that are floated at or just below the surface of the pond liquid with...
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6789608 |
Thermally exposed, centrally insulated geothermal heat exchange unit
A thermally exposed centrally insulated geothermal heat exchange unit, which can be placed in ground and/or in water, consisting of at least one fluid supply line and at least one fluid return...
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6772605 |
Liquid air conditioner of ground energy type
A liquid air conditioner of the geothermal energy type, includes a heat collector of the geothermal energy type, a heat exchanger, an energy lift device, a discharging pump, a returning pump, an...
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6769487 |
Apparatus and method for actively cooling instrumentation in a high temperature environment
An apparatus and method are disclosed for actively cooling instrumentation, such as electronic circuits, in a downhole tool. This apparatus includes a compressor, condenser and expansion valve...
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6736191 |
Heat exchanger having longitudinal structure and mounting for placement in seawater under piers for heating and cooling of buildings
A heat exchanger having a set of heat exchanging coils supported in a horizontal direction. The coils operate to exchange heat in fluids provided to the coils from a source device via a supply...
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6709198 |
Irrigation system and method
An irrigation system comprising a closed-loop piping system, a portion of which is a condensing section extending on or below ground surface, and at least another portion of which is a...
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6705043 |
Closed market gardening greenhouse
Market garden greenhouse system in which plant products can be cultivated, which market garden greenhouse is substantially not provided with ventilating openings, wherein the market garden...
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6691766 |
Cabinet cooling with heat pipe
An electronics cooling system in accordance with the principles of the present invention includes an electronics cabinet that is thermally connected with the ground in the vicinity of the cabinet....
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6688129 |
Geothermal space conditioning
An excavationless geothermal system for heating and cooling applications includes a potable water storage container that receives water from a water supply through a supply line and a reversible...
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