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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...
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 (...
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...
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,...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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....
Matches 1 - 50 out of 186 1 2 3 4 >