patent · · added 2 months ago
Reversible solar assisted heat pump
Disclosed is a reversible, solar assisted heating system comprising an unglazed solar heat exchange panel, a storage tank, and a water source heat pump. In the heating mode, heat i...
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August 2026
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patent · · added 2 months ago
Apparatus for storing heat
A heat exchanger for cooling is immersed in a vessel for storing heat filled with a heat-storing material of latent heat type. The heat exchanger for cooling is positioned at an up...
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patent · · added 2 months ago
Method for dewatering a subterranean formation via a borehole
An improvement in a method for communicating the surface and a subterranean coal seam via a borehole positioned to provide access for the positioning of power transmission and flui...
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patent · · added 2 months ago
Electric heat storage apparatus
An apparatus for storing electrically generated heat includes a sealed container holding a bed of fusible heat storage medium, such as an alkali metal hydroxide composition, and ha...
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patent · · added 2 months ago
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, f...
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patent · · added 2 months ago
Double tubular thermal energy storage element
An elongated flexible elastomer or plastic double tube structure for storing heat energy includes inner and outer flexible tubes held in coaxial relationship by integral angularly...
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patent · · added 2 months ago
Nested thermal reservoirs with heat pumping therebetween
An assembly of nested thermal reservoirs has an inner reservoir at an extreme temperature surrounded by one or more reservoirs at moderate temperatures. Over time, heat flow would...
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patent · · added 2 months ago
Closed cycle, hydraulic-turbine heat engine
A closed cycle, hydraulic-turbine heat engine for providing a steady electrical or mechanical power source from any available or created relative heat source comprising an evaporat...
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patent · · added 2 months ago
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 the...
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patent · · added 2 months ago
Selective extraction heat storage unit
A selective extraction heat storage assembly (32) for use in a system including a plurality of such assemblies (32a-c) and for use by itself, includes a heat unit (10) connected in...
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patent · · added 2 months ago
System and process for storing energy
There is disclosed a process for storing energy by use of the heat of fusion of hydrated salts which are within a bulk container having heat exchange means. The process prevents st...
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patent · · added 2 months ago
Natural ice for cooling energy
A system for transmitting, storing and utilizing cold which includes the use of heat pipes for transmitting the winter cold to cool the anti-freezing liquid in the ground cold stor...
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patent · · added 2 months ago
Ground cold storage and utilization
A system for transmitting, storing and utilizing cold which includes the use of heat pipes for transmitting the winter cold to freeze the ground water storage, and two-phase flow p...
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patent · · added 2 months ago
Dual cycle heat pipe-method and apparatus
A method and apparatus for utilizing the earth or other heat source/heat sink for heating and cooling buildings are disclosed. The system comprises at least one heat transfer fluid...
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patent · · added 2 months ago
Heat storage apparatus
The invention disclosed is of a housing which includes a plurality of assemblies which carry chemical substances which can absorb and store heat. The assemblies comprise sheets of...
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patent · · added 2 months ago
Ice-maker heat pump
An ice-making heat pump system is disclosed which includes a number of evaporator freezing plates, each of the plates having two fluid passageways therein. One of the passageways i...
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patent · · added 2 months ago
Environmental heating and cooling apparatus
An apparatus which is in one embodiment structurally integrated with a building and has a solar collector plate with a front side and back side. The collector is mounted a spaced d...
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patent · · added 2 months ago
Phase change material heat exchanger
A phase change material heat exchanger wherein the latent heat of a substance as its physical state changes from solid to liquid, and vice versa, is utilized as a heat storage medi...
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patent · · added 2 months ago
Heat storage apparatus and heat exchanger element for use therein
A heat storage apparatus comprising a plurality of heat exchanger elements mounted in a housing. Each element has a central portion containing a storage medium, surrounded by porti...
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patent · · added 2 months ago
Space heating using off-peak electric heat storage
An off-peak, electric, central air heating system for buildings incorporating a heat storage material that is used to store heat generated electrically during off-peak electrical p...
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patent · · added 2 months ago
Heat storing fireplace
A heat storing fireplace including a fire-box surrounded by a heat storage medium which is either an enclosure containing a material having a high specific heat such as sand or gra...
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patent · · added 2 months ago
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 hav...
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patent · · added 2 months ago
Housed clothes dryer
In a housing, a clothes dryer wherein dampness in washed clothes is expelled by warm air sweeping therethrough, the air being drawn in at least partly from the environment through...
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patent · · added 2 months ago
Power generator utilizing elevation-temperature differential
A power generator including a closed pressure resisting tubular loop having a lower warmed end and an upper cooled end joined by connecting penstock column and a return column, the...
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patent · · added 2 months ago
Heat storage systems
The present invention provides systems for transfer of heat such as useful in solar energy systems. A heat storage medium is used, preferably salt conditioned by anti-caking anti-c...
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patent · · added 2 months ago
Regenerative heater and process for the operation thereof
A regenerative heater includes a regenerator container having open opposite ends. The container contains therein a fill of heat retaining material which is permeable to the passage...
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patent · · added 2 months ago
Heat storage system
A heat storage system consisting of a compartmented tank containing a liquid medium capable of storing heat therein, a flow control system operable to establish a liquid flow in th...
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patent · · added 2 months ago
Storage tank assembly
A storage tank divided into three liquid-tight compartments. The end compartments are liquid storage compartments and are separated by a central non-liquid holding or "dry" compart...
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patent · · added 2 months ago
Installation for storing and recovering heat energy, particularly for a solar power station
An installation for storing and recovering heat energy having a principal application in solar power stations. The heat produced is stored in a storage reservoir when the converted...
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patent · · added 2 months ago
Solar gravity engine
A solar or thermal gravity engine including a conduit extending substantially vertically from ground level upward into the atmosphere including a plurality of valves in the walls o...