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4283298 Hydrated Mg(NO3)2 /NH4 NO3 reversible phase change compositions  
A reversible liquid solid phase change composition comprising Mg(NO3)2.6H2 O/NH4 NO3, and one of the group of MgO, CaO, Mg(OH)2, and/or Ca(OH)2, added to the composition in an effective amount to...
4277021 Closed circuit heating system  
Fuel is burned in the lower chamber of a furnace with hot products of combustion rising past an air-to-air heat exchanger to an upper chamber to which outside air is supplied for secondary...
4277357 Heat or cold storage composition containing a hydrated hydraulic cement  
A polyphase composition for the storage of heat or cold utilizing the latent heat of fusion of a salt hydrate continuous phase intimately intermixed with a hydrated hydraulic cement continuous...
4273667 Thermal energy storage material comprising hydrated compound and water-swollen cross-linked polymer  
The thermal energy storage material comprises at least one hydrated compound (such as an inorganic salt) having a reversible transition to the anhydrous or a less hydrated form and a hydrogel,...
4271824 Solar heating apparatus  
The disclosure concerns a collector for solar heating apparatus which is adapted for vertical mounting and utilizes air as the heat exchange medium. The collector comprises a glazed insulated box...
4272391 Hydrated Mg(NO3)2 reversible phase change compositions  
A reversible liquid solid phase change composition comprising hydrated Mg(NO3)2 and one of the group of MgO, Mg(OH)2, MgCO3, CaO, Ca(OH)2, and/or CaCO3, added to the composition in an effective...
4270512 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 gravel or a large...
4268405 Method for forming Glauber's salt crystals with reduced encapsulation by the addition of ethylene glycol monobutyl ether  
Encapsulation of Na2 SO4 particles by Glauber's salt crystals formed by crystallization of Na2 SO4 from aqueous solution in systems comprising Na2 SO4, H2 O and Glauber's salt is decreased by...
4268558 Thermal storage material and process for making  
A thermal storage structure and process for making the same comprising a base material of a substantially open cell structure, with the pores interconnected and open to the surface. The open cell...
4262653 Solar energy heat storage and transfer system  
A solar energy heat storage and transfer system (30) for use in a solar heating system includes an arrangement of interconnected heat storage modules (10). A first air path is provided from the...
4258695 Stored heat cooking utensil  
A stored heat cooking utensil is provided which consists of an outer container, a cooking vessel, a heat storage element, a lid for enclosing the outer container and cooking vessel, a handle for...
4258697 Pneumatic collection, storage and transfer of solar heat  
The collection, storage and transfer of solar heat by pneumatic means includes: a solar collection system; a heat storage system; and a means for selectively directing air through the solar...
4259198 Use of crystalline, crosslinked synthetic resins as a storage material in latent heat stores  
The invention relates to the use of crystalline resins as storage material in latent heat accumulators. Crystalline synthetic resins replace the crystalline inorganic salt of the known latent heat...
4258696 Passive thermal energy phase change storage apparatus  
A passive thermal energy storage cell includes a container formed of suitable material. The container is filled substantially with a supercoolable material such as ethylene carbonate or a phase...
4253983 Paraffin compositions having improved heat reservoir  
A paraffin composition that is solid at 25° C. and has an improved heat reservoir by virtue of being combined with inert solid material, wherein the paraffin composition contains from 25 to 55% by...
4252661 Heat storage medium of moistened Na2 HPO4.12H2 0 and method of a preparation thereof  
Na2 HPO4.12H2 O is prevented from deteriorating as a heat storage medium after repeated cycles of heat storage and heat withdrawal resulting from precipitation of dehydrated forms of the salt by...
4250885 Method and apparatus for utilizing solar heat for heating a building  
Apparatus for utilizing solar heat for heating a building, comprising a collector, a storage unit and means for transporting heated air from the collector to the storage unit and hence to rooms in...
4250866 Thermal energy storage to increase furnace efficiency  
A forced air furnace includes a conventional fuel fired, primary heat exchanger and a secondary heat exchanger associated with the stack. The secondary exchanger includes a phase change material...
4249592 High temperature, heat storage and retrieval system  
Energy is stored by heating a salt to a temperature above its latent heat of fusion to convert the salt to a liquid state. Heat is retrieved by moving a heat transfer fluid consisting of liquid...
4248209 Coupled toroidal solar collector  
A solar collector is formed by a stack of vehicular tires for absorbing solar radiant energy. A series of conduits intercepting the upper and lower sidewall of each tire at locations spaced about...
4248204 Solar rock fireplace heating system  
A solar rock fireplace, to be connected to a forced air heating system, includes an enclosed heating chamber, a firebox where wood or other combustible material may be burned, a flue extending...
4246466 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 having an...
4244519 Solar heated and cooled building  
Solar heated or cooled building in which attic functions as solar energy collector, ducts are provided to convey air between attic and thermal storage chamber, two blowers, each preceded by a...
4244148 Process and device for air-conditioning greenhouses  
The invention relates to a process for air-conditioning a greenhouse or the like for the cultivation of plants, due to the solar energy which is picked up during the day, wherein isothermic...
4244350 Solar energy heat-storage tank  
An improved energy storage superheater assembly for storing heat energy rlting from solar or other types of energy. An enclosed housing includes a heat transfer means in the bottom or top which is...
4244351 Solar collection system  
The concentration of the solute in solution in a saturated non-convecting solar pond is greatest at a lower hotter level decreases continuously toward a higher cooler level and is saturated at all...
4241782 Heat storage system adapted for incongruently melting heat storage materials and congruently melting heat storage materials  
A heat storage article adapted for prevention of stratification of incongruently melting heat storage materials, such as eutectic salts, and adapted for use with congruently melting heat storage...
4240268 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 pipes to...
4240404 Heat pump having a timer activated furnace  
A heating system for a building having a conventional gas furnace which includes a combustion chamber for heating air passing from a cold-air return to a hot-air duct is disclosed. The gas furnace...
4237963 Process and apparatus for control of the climatic environment of an underground enclosure including a source of extraneous heat  
Process and apparatus for control of the climatic environment of an underground enclosure having at least one source tending to emit a quantity of extraneous heat and associated with premises...
4237859 Thermal energy storage and utilization system  
A thermal energy storage and utilization system including at least a pair of especially configured liquid containing tanks interconnected by a heat exchanger for transferring thermal energy...
4237023 Aqueous heat-storage compositions containing fumed silicon dioxide and having prolonged heat-storage efficiencies  
Aqueous heat-storage compositions useful in space heating applications are disclosed which contain a phase-change material which absorbs and stores heat as it is heated above its phase-change...
4234037 Underground heating and cooling system  
The present invention relates to a heating and cooling system for structures such as residential dwellings. More particularly, the heating and cooling system includes one or more conduits disposed...
4233959 Storage of thermal energy  
Thermal energy storage apparatus has a heat-insulating casing containing a length of flexible material extending between a pair of driven mandrels so that the material can be wound on either...
4233960 Heat storage apparatus and method  
A heat storage apparatus and method including a heat storage medium encapsulated within a container and heat exchange apparatus for exchanging thermal energy with the heat storage medium. The heat...
4228786 Flow director  
A flow director including a diverting box defining four openings and having four baffles mounted therein. A damper is rotatable within the diverting box to provide for flow in one position between...
4227567 Intermediate temperature, heat storage and retrieval system  
Energy is stored by heating a salt to a temperature above its latent heat of fusion to convert the salt to a liquid state. Heat is retrieved by moving a heat transfer fluid that is immiscible with...
4223666 Toroidal solar collection and energy storage apparatus  
Vehicular tires are generally toroidal heat collection elements of a solar heating system. Liquid or gaseous fluid flow is circulated between the tires and a space to be heated for transferring...
4223663 Ceiling mounted solar heat collector  
A portion of a suspended ceiling in a room is in the form of an open grid of reflective louvers, those facing a window being curved. A flexible bag containing a mixture including Glaubers salt is...
4223721 Heat storage containers filled with the combination of a eutectic salt and a non-biodegradable filler material  
A heat storage article adapted for prevention of stratification of heat storage materials, such as eutectic salts contained within the container element. The article is comprised of a heavy...
4222365 Heat storage system and method  
A thermal energy storage system and method for storing substantial quantities of heat for extended periods of time. The system includes a heat collecting liquid which is in a heat-exchange...
4220196 Heat storage device  
A heat storage device comprising a closed reservoir within which is positioned a flexible closed container of smaller volume. The flexible container encloses a liquefiable heat-accumulating...
4219012 Solar heating with air transfer  
A solar heating system with one or more collector panels having an insulative, fiberglass top, black, heat-producing plates and an air manifold at each end. Cold air is transmitted through a...
4217877 Energy-saving forced-air furnace  
The specification discloses a novel energy saving forced-air furnace. In contrast to previous forced-air furnaces, which ran only on gas or oil and in which approximately half of the energy...
4218406 Automatic choke control  
A choke control device for delaying closing of a choke valve regulated by a temperature responsive bimetal coil after an internal combustion engine is turned off by employing a heat sink which...
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...
4213032 Control system for charging and discharging an electric storage heater  
The invention relates to an electric storage heater assembly which includes a core and a resistance heater for the core. A low tariff period switch and a charging switch are in series with the...
4211208 Container for a heat storage medium  
A container is disclosed for storing a heat storage medium which changes ween solid and fluid states to store and release heat, characterized in that the container includes flexible walls which...
4209413 Thermal energy storage material  
A thermal energy storage material comprising at least one hydrated inorganic salt having a transition temperature to the anhydrous or a less hydrated form in the range 10° to 100° C. (for example,...
4205656 Thermal storage reservoirs  
A thermal storage system for use with a solar collector and/or heat pump includes a plurality of discrete heat reservoirs having regular geometric shapes such as spheres or cylinders for forming a...