Matches 251 - 300 out of 613 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >
Match Document Document Title
4232654 Heat recovery device for use in return air duct of forced air furnace for recovering heat from the flue of such furnace  
An especially compact, highly efficient heat recovery device for use in the cool air return duct of a heating system may be easily installed in existing flue pipes and transfers the ordinarily...
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...
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...
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 the...
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...
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...
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...
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 derived...
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 are...
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...
4205718 Solar-earth thermal system  
A heating and cooling system utilizing solar, or other energy, includes a solar heat collector having fluid ducts connected to the lower portion of a buried fluid thermal unit, which transfers...
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...
4203489 Thermal energy storage system  
A modular thermal energy storage system comprises a stack of individual heat storage elements, each element having a sealed metal container filled with liquid such as water and separate thermally...
4203419 Solar cell  
A solar cell has a heat collector bar with a heat absorbing material in contact therewith. The heat absorbing material includes a transparent web member having a plurality of capsule uniformly...
4200783 Apparatus for collecting and thermally storing energy  
An apparatus for collecting and storing energy includes a thermal energy storage cell having a single-piece steel inner core provided with external thermal insulation. A unit for collecting and...
4199021 Thermal energy storage apparatus  
A thermal energy storage apparatus and method employs a container formed of soda lime glass and having a smooth, defect-free inner wall. The container is filled substantially with a material that...
4196719 Heat storage means for solar heating system  
An improved pebble bed heat storage means is provided for a solar heating system using air as the heat transfer medium. The pebble bed is confined in a crib or bin contained in an outer housing....
4195621 Solid state differential temperature regulator for a solar heating system  
A solid state temperature regulator is provided for a solar heating system for use in conjunction with a swimming pool, or the like. The solar swimming pool heating system includes the usual...
4194496 Solar heat storage systems  
A spiral solar heat storage unit having air ducts radially spaced from the center to the rim of the spiral storage unit so the air from the solar collector can be delivered to the various ducts...
4193543 Solar heating system  
A closed hollow waterproof chamber is disposed below the removable, sectional bottom floor of a building. The chamber is partially filled with water and contains air. The chamber is lined with...
4193441 Variable capacity thermal storage system employing thermal switching  
A thermal storage system comprising a contained fluid and a fusible material in thermal communication therewith for cooperatively controlling the elevated temperature of the contained fluid. The...
4192146 Process for the recovery of energy and in particular for the recovery of heat on the heat pump principle  
A body of still water is confined in heat exchange with one or more ambient heat sources whose temperature is usually above but may drop near 0° C. Heat is withdrawn from the body according to the...
4192144 Direct contact heat exchanger with phase change of working fluid  
A direct contact thermal storage heat exchanger which utilizes the liquid-vapor phase change of a working fluid within the heat exchanger, and energy generation systems incorporating the heat...
4187982 Apparatus for increasing the transmission capacity of remote heating grids  
For the purpose of improving the utilization of remote heating grids, particularly for space air heating, at least one heat storage device is connected in series with the heaters of a hot water...
4187904 Heat transfer installation having storage reservoir containing a salt as a heat carrier  
The heat transfer apparatus comprises a storage reservoir containing salt as a heat carrier with a heater connected into the reservoir to heat the heat carrier so as to maintain it above the...
4187831 Self contained solar heating supplemental unit  
This specification discloses a self contained solar heating supplemental unit characterized by solar collector; a mast carrying a solar collector above the earth's surface; a dual function base...
4187189 Phase change thermal storage materials with crust forming stabilizers  
A body for the storage of heat or for the storage of coolness is, in its solid phase, a conglomerate of a mass of crystalline particles of a salt-hydrate, and a rigid cellular support structure in...
4186722 Solar energy collector  
A solar energy collecting and storing unit comprises a single housing having a glass-covered collector chamber on one face of a gravel-filled heat storage chamber, the chambers being separated by...
4186721 Solar energy heat collector  
The apparatus of the invention includes a heat collector which utilizes a dark-colored, conductive, fibrous heat absorber positioned to receive the sun's rays and to absorb heat therefrom. The...
4184635 Control units for heating systems  
A control unit has two inputs for connection to respective temperature sensors, and alternative primary and secondary outputs. It comprises a comparison circuit operative to sense the differential...
4182489 Heat transfer system  
In a positive or negative heat transfer system with an intermittent source of positive or negative thermal energy, utilization means and a reservoir of heat transfer fluid flowing between the...
4182409 Heat transfer system  
A heat storage and/or recovery system using multiple heat storage tanks to selectively store heat from a solar collector and recover the stored heat to operate a heat driven system. The heat from...
4182406 Solar energy system for heating and cooling of buildings utilizing moist air cycles  
An integrated system for the collection, storage, and utilization of solar energy in the heating and cooling of buildings utilizing a moist air cycle involving evaporation and condensation of water...
4182398 Crosslinked crystalline polymer and methods for cooling and heating  
The invention relates to crystalline polyethylene pieces having optimum crosslinking for use in storage and recovery of heat, and it further relates to methods for storage and recovery of heat...
4182310 Heat retaining device  
A heat retaining device comprising a plurality of heat retaining elements which can be positioned on the burner of a hot water heater. While the burner is ignited they collect and store heat from...
4182309 Control circuit for solar energy heating systems  
A control circuit for a solar energy heating system comprising a pair of thermistors connected in series across a source of electrical power and respectively disposed to be responsive to fluid...
4181118 Solar heating system  
A climate control system for heating and cooling a building. The system uses solar energy for its heat source and concrete blocks for its collecting and storing material. The blocks are open faced...
4180124 Process and apparatus for heat exchange  
A process and apparatus is provided for storing thermal energy and subsequently releasing and extracting the stored thermal energy upon demand. At least one sealed container of salt hydrate is...
4176656 Nitrogen-heat separator furnace  
A furnace having a nitrogen-heat separator comprised of a heat absorbing mass, such as cast iron plates, containing passages through which products of combustion can pass and deposit heat into the...
4176655 Solar energy collection system and apparatus for same utilizing latent energy storage fluid  
A solar energy collection and utilization storage system is constructed by using a lenticulated transparent element closed at the back to form channels which are used to carry an energy storage...
4176653 Inflatable enclosure and energy exchange system  
A flexible water-impervious roof with a rigid peripheral structure provides support for a plurality of distinct and separate portions of liquid in a system that provides for repeated cycling of...
4175613 Method of storing energy  
Storage of thermal energy in a ternary mixture of salts which comprises from 22.5 to 26.5 weight percent of sodium chloride, from 18.5 to 22.5 weight percent of potassium chloride and from 53.0 to...
4175541 Solar heating system  
A solar heating system comprising a collector panel with a plurality of beverage cans or the like received in holes drilled therethrough. The surfaces of the panel and the cans protruding from the...
4173993 Domestic appliance system with thermal exchange fluid  
A domestic appliance system and method are provided for storing and processing food by exchanging heat between the food and a latent heat storing material by forced circulation of a liquid thermal...
4173304 Building structure with heat storage and recovery  
In my U.S. Pat. No. 4,054,246, a double-walled structure collects solar heat with air as the heat transfer medium, which heat is stored in subterranean gravel pits. In the present invention, (1)...
Matches 251 - 300 out of 613 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >