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6372978 |
Wind/sun solar collection system (HS2)
The present invention is a self-contained, solar powered heating and cooling system for a building. The collector has an insulated heating chamber, and a light transmissive cover and a...
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6365822 |
Power system having a radioisotope heat source
A power system ( 10 ) is provided. System ( 10 ) generally comprises at least one generator module ( 100, 100 ′), and a heat source ( 200 ) encircling at least a portion of the generator module (...
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6329587 |
Semiconductor power generator based on a source of heavy ions and alpha particles
A power generator includes a current-generating cell having a layer of a fission source of heavy ions and alpha particles, and two semiconductor structures, one on each side of the layer of the...
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6222112 |
Thermionic converter temperature controller
A method and apparatus for controlling the temperature of a thermionic reactor over a wide range of operating power, including a thermionic reactor having a plurality of integral cesium reservoirs,...
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6118204 |
Layered metal foil semiconductor power device
The present invention is a power cell for directly converting ionizing radiation into electrical energy. The invented isotopic electric converter provides an electrical power source that includes...
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5859484 |
Radioisotope-powered semiconductor battery
A radioisotope-powered semiconductor battery comprises a substrate of a crystalline semiconductor material, the material having at least one degree of confinement, and a radioactive power source...
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5825839 |
Method and apparatus for converting radioactive materials to electrical energy
A method and apparatus for converting radioactive energy into electrical energy is provided and includes a first radioisotope (24) emitting alpha particles and a second radioisotope (28) emitting...
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5712886 |
Device for detecting and monitoring perforation of the bottom head of the vessel of a nuclear reactor
The detection device includes at least one thermocouple (10) arranged aligned with the bottom head of the vessel of the nuclear reactor, having a first branch (9) made of a first metallic material...
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5610366 |
High performance thermoelectric materials and methods of preparation
Transition metals (T) of Group VIII (Co, Rh and Ir) have been prepared as semiconductor alloys with Sb having the general formula TSb 3 . The skutterudite-type crystal lattice structure of these...
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5492570 |
Hybrid thermal electric generator
The apparatus is a combined Alkali Metal Thermal to Electric Converter (AMTEC) and a thermionic energy converter which are mated by the use of a common heat transfer device which can be a heat...
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5441575 |
AMTEC vapor-vapor series connected cells
An alkali metal thermoelectric converter (AMTEC) having a plurality of cells structurally connected in series to form a septum dividing a plenum into two chambers, and electrically connected in...
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5440187 |
Long life radioisotope-powered, voltaic-junction battery using radiation resistant materials
An electric battery comprises: a nuclear source of relatively high energy radiation fluence; a semiconductor junction characterized by a curve for this fluence relating minority carrier diffusion...
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5266414 |
Solid solution matrix cathode
An impregnated thermionic cathode includes a porous matrix of sintered tungsten-alloy particles containing less than six percent iridium and/or other platinum-group metal. The pores of the matrix...
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5260621 |
High energy density nuclide-emitter, voltaic-junction battery
An electric battery comprises a semiconductor junction incorporating an inorganic crystalline compound of Group III and Group V elements of the Periodic Table characterized by a predetermined...
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5246505 |
System and method to improve the power output and longetivity of a radioisotope thermoelectric generator
By using the helium generated by the alpha emissions of a thermoelectric generator during space travel for cooling, the thermal degradation of the thermoelectric generator can be slowed. Slowing...
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5228922 |
High voltage alkali metal thermal electric conversion device
A high voltage multitube alkali metal thermal electric convertor having a plurality of closely packed tubular cells disposed in a tube sheet in a vessel and electrically connected in series, the...
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5122332 |
Protecting organisms and the environment from harmful radiation by controlling such radiation and safely disposing of its energy
A radiation gradient is utilized to transform harmful radiant energy into safer, more useful forms, thus collecting, controlling and consuming the energies of radiant emissions and protecting the...
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5111099 |
Apparatus and method for converting radioactive energy into electrical energy
There is provided an apparatus and method for converting radioactive energy into electrical energy, with the apparatus including an outer radioactive protective shell and a radioactive fuel source...
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5089054 |
Flat plate alkali metal thermoelectric converter module
A flat plate alkali metal thermoelectric converter module having a plurality of generally flat plate cells grouped in stacks that are electrically connected in series within the stack, the cells...
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5079469 |
Piezonuclear battery
A piezonuclear battery generates output power arising from the piezoelectric voltage produced from radioactive decay particles interacting with a piezoelectric medium. Radioactive particle energy...
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5066337 |
Thermal power transfer system using applied potential difference to sustain operating pressure difference
A thermal power transfer system using a phase change liquid gas fluid in a closed loop configuration has a heat exchanger member connected to a gas conduit for inputting thermal energy into the...
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5057160 |
Apparatus for passively releasing gases from a vessel against an adverse pressure gradient
A microporous plug is provided which serves to seal a vessel so as to prevent the bulk flow of gases through an outlet. The pores of said microporous plug are sized so as to permit the transport of...
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5039351 |
High performance thin film alkali metal thermoelectric device
An alkali metal thermoelectric conversion device formed from a porous tube or plate coated with a thin film of beta-alumina, the porous tube or plate is sintered metal or metal alloy having a...
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5021098 |
High contact blind hole thermocouple plug
It is useful to be able to place a thermocouple in a plug in a spacecraft heat shield without disturbing the heat flow to the thermocouple. The thermocouple wire is ceramic coated before placement...
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4835433 |
Apparatus for direct conversion of radioactive decay energy to electrical energy
A nuclear battery in which the energy imparted to radioactive decay products during the spontaneous disintegrations of radioactive material is utilized to sustain and amplify the oscillations in a...
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4808240 |
Stacked vapor fed amtec modules
The present invention pertains to a stacked AMTEC module. The invention includes a tubular member which has an interior. The member is comprised of a ion conductor that substantially conducts ions...
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4802929 |
Compliant thermoelectric converter
The present invention provides a thermoelectric converter including a series of thermoelectric cells bonded to a hot surface and to a waste heat conductor. The heat conductor is in turn bonded to...
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4755350 |
Thermionic reactor module with thermal storage reservoir
A thermionic energy conversion system assembly is described which comprises a fissionable nuclear fuel which surrounds a cylindrical arrangement of thermionic emitter electrodes which surround...
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4472347 |
Container for the long time storage of radioactive materials
There is described a container for the long time storage of radioactive materials, especially spent fuel elements, in suitable geological formations which guarantees an intact barrier for a long...
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4338560 |
Albedd radiation power converter
A heat-to-electricity converter, particularly adaptable for use by high-atude platforms such as aerostats and space stations, for changing heat energy of radiation from the earth to electric power...
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4298768 |
Cesium vapor thermionic current generator
An electron current generator is disclosed which includes a non-electrical heat source, a heat pipe having its first end in thermal relationship with the heat source, and a second end projecting...
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4284838 |
Thermoelectric converter and method
The invention comprises the conversion of thermal power into electrical energy. Two dissimilar metals, such as aluminum and brass, are separated by a heat conductive and electrical conductive...
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4242147 |
Device for converting waste nuclear energy to electricity
A device for converting waste nuclear energy to electricity comprising a shielded casing housing, a plurality of holders of radioactive materials surrounded by tubes of phosphorescent material to...
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4204882 |
Thermocouple split follower
Thermoelectric generator assembly accommodating differential thermal expansion between thermoelectric elements by means of a cylindrical split follower forming a slot and having internal spring...
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4163689 |
Vented nuclear fuel element
A nuclear fuel cell for use in a thermionic nuclear reactor in which a small conduit extends from the outside surface of the emitter to the center of the fuel mass of the emitter body to permit...
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4162369 |
Thermoelectric battery, protected against shocks and accelerations
In a thermoelectric battery the heat source is suspended on the end of a thermoelectric unit, the other end of which is attached via a heat conducting mass to the casing. A resilient mounting...
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4111718 |
Thermocouples of molybdenum and iridium alloys for more stable vacuum-high temperature performance
Thermocouples of the present invention provide stability and performance reliability in systems involving high temperatures and vacuums by employing a bimetallic thermocouple sensor wherein each...
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4073665 |
Microwatt thermoelectric generator
A microwatt thermoelectric generator suitable for implanting in the body. The disclosed generator utilizes a nuclear energy source. Provision is made for temporary electrical connection to the...
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4045247 |
Thermocouples of tantalum and rhenium alloys for more stable vacuum-high temperature performance
Thermocouples of the present invention provide stability and performance reliability in systems involving high temperatures and vacuums by employing a bimetallic thermocouple sensor wherein each...
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4036665 |
Thermopile for microwatt thermoelectric generator
Athermopile for a microwatt thermoelectric generator suitable for implanting in the body. The thermopile comprises a series of semiconductive thermoelectric elements such as P- and N-type bismuth...
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4032363 |
Low power high voltage thermopile
An electrical power generating array of a semiconductor, laminar structured thermopile for producing low values of electrical power at high values of direct output voltage and a method for its...
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4026726 |
Nuclear battery shock-support system
In a nuclear battery utilizing the Seebeck Effect to produce an electric voltage, a shock support system is disclosed wherein thermally conductive spring means and alignment caps support a...
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4024420 |
Deep diode atomic battery
A deep diode atomic battery is made from a bulk semiconductor crystal containing three-dimensional arrays of columnar and lamellar P-N junctions. The battery is powered by gamma rays and x-ray...
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4020368 |
Electric power generator
An electric power generator of the type employing a nuclear heat source or the like and a thermoelectric converter is described wherein a transparent thermal insulating medium is provided inside an...
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4018625 |
Thermo-electric assemblies
A thermo-electric assembly comprises a plurality of metal layers, of alternately different metals, with dielectric layers between them, the layers being produced by deposition from the vapor-phase...
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4002497 |
Thermoelectric batteries
A thermoelectric battery comprises a thermoelectric module in the form of a matrix of rods of alternately p- and n-type semi-conductor material connected together in the manner of a thermopile. The...
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3989547 |
Thermoelectric generator having a resiliently mounted removable thermoelectric module
An electrical generator having an Isotopic Heat Capsule including radioactive fuel rod 21 as a primary heat source and Thermoelectric Modules 41 and 43 as converters. The Biological Shield for the...
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3989546 |
Thermoelectric generator with hinged assembly for fins
A cylindrical casing has a central shielded capsule of radioisotope fuel. A plurality of thermonuclear modules are axially arranged with their hot junctions resiliently pressed toward the shield...
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3984258 |
Microwatt thermoelectric generator
A microwatt thermoelectric generator suitable for implanting in the body. The disclosed generator utilizes a nuclear energy source. Provision is made for temporary electrical connection to the...
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3981750 |
Electrical generator
A nuclear heart pacer having a heat-to-electricity converter including a solid-state thermoelectric unit embedded in rubber which is compressed to impress hydrostatic precompression on the unit....
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