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| Number | Title | Issue Date |
| 4382048 | Method for producing sintered ceramic, layered, circular fuel pellets A compacting die wherein the improvement comprises providing a screen in the die cavity, the screen being positioned parallel to the side walls of said die and dividing the die cavity into center and annular compartments. In addition, the use of this die ... | 05/03/1983 |
| 4380795 | Base drive circuit for a four-terminal power Darlington A high power switching circuit which utilizes a four-terminal Darlington transistor block to improve switching speed, particularly in rapid turn-off. Two independent reverse drive currents are utilized during turn off in order to expel the minority carrie... | 04/19/1983 |
| 4376752 | Foam encapsulated targets Foam encapsulated laser-fusion targets wherein a quantity of thermonuclear fuel is embedded in low density, microcellular foam which serves as an electron conduction channel for symmetrical implosion of the fuel by illumination of the target by one or mor... | 03/15/1983 |
| 4366112 | Solid evacuated microspheres of hydrogen A method is provided for producing solid, evacuated microspheres comprised of hydrogen. The spheres are produced by forming a jet of liquid hydrogen and exciting mechanical waves on the jet of appropriate frequency so that the jet breaks up into drops wit... | 12/28/1982 |
| 4361044 | Scanning ultrasonic probe The invention is an ultrasonic testing device for rapid and complete examination of the test specimen, and is particularly well suited for evaluation of tubular test geometries. A variety of defect categories may be detected and analyzed at one time and t... | 11/30/1982 |
| 4359840 | Automatic grinding apparatus to control uniform specimen thicknesses This invention is directed to a new and improved grinding apparatus comprising (1) a movable grinding surface, (2) a specimen holder, (3) a displacing device for moving the holder and/or grinding surface toward one another, and (4) at least three devices ... | 11/23/1982 |
| 4355522 | Passive ice freezing-releasing heat pipe A heat pipe device has been developed which permits completely passive ice formation and periodic release of ice without requiring the ambient temperature to rise above the melting point of water. This passive design enables the maximum amount of cooling ... | 10/26/1982 |
| 4353871 | Hydrogen isotope separation A system of four cryogenic fractional distillation columns interlinked with two equilibrators for separating a DT and hydrogen feed stream into four product streams, consisting of a stream of high purity D2, DT, T2, and a tritium-fre... | 10/12/1982 |
| 4353391 | Radioactive materials shipping cask anticontamination enclosure An anticontamination device for use in storing shipping casks for radioactive materials comprising (1) a seal plate assembly; (2) a double-layer plastic bag; and (3) a water management system or means for water management.... | 10/12/1982 |
| 4353205 | Primary zone air proportioner An air proportioner is provided for a liquid hydrocarbon fueled gas turbine of the type which is convertible to oil gas fuel and to coal gas fuel. The turbine includes a shell for enclosing the turbine, an air duct for venting air in said shell to a gasif... | 10/12/1982 |
| 4349907 | Broadly tunable picosecond IR source A picosecond traveling-wave parametric device capable of controlled spectral bandwidth and wavelength in the infrared is reported. Intense 1.064 μm picosecond pulses (1) pass through a 4.5 cm long LiNbO3 optical parametric oscillator crystal (... | 09/14/1982 |
| 4349407 | Method of forming single crystals of beta silicon carbide using liquid lithium as a solvent A method of growing single crystals of beta SiC from solution using molten lithium as a solvent for polycrystalline SiC feed material. Reasonable growth rates are accomplished at temperatures in the range of about 1330° C. to about 1500° C.... | 09/14/1982 |
| 4347935 | Method and apparatus for electrostatically sorting biological cells An improved method of sorting biological cells in a conventional cell sorter apparatus includes generating a fluid jet containing cells to be sorted, measuring the distance between the centers of adjacent droplets in a zone thereof defined at the point wh... | 09/07/1982 |
| 4347706 | Electric power generating plant having direct coupled steam and compressed air cycles An electric power generating plant is provided with a Compressed Air Energy Storage (CAES) system which is directly coupled to the steam cycle of the generating plant. The CAES system is charged by the steam boiler during off peak hours, and drives a sepa... | 09/07/1982 |
| 4346511 | Method for preparing dosimeter for measuring skin dose A personnel dosimeter includes a plurality of compartments containing thermoluminescent dosimeter phosphors for registering radiation dose absorbed in the wearer's sensitive skin layer and for registering more deeply penetrating radiation. Two of the phos... | 08/31/1982 |
| 4345124 | Acceleration switch The disclosure relates to an improved integrating acceleration switch of the type having a mass suspended within a fluid filled chamber, with the motion of the mass initially opposed by a spring and subsequently not so opposed.... | 08/17/1982 |
| 4344912 | Method of increasing the deterrent to proliferation of nuclear fuels A process of recycling protactinium-231 to enhance the utilization of radioactively hot uranium-232 in nuclear fuel for the purpose of making both fresh and spent fuel more resistant to proliferation. The uranium-232 may be obtained by the irradiation of ... | 08/17/1982 |
| 4344911 | Fluidized wall for protecting fusion chamber walls Apparatus for protecting the inner wall of a fusion chamber from microexplosion debris, x-rays, neutrons, etc. produced by deuterium-tritium (DT) targets imploded within the fusion chamber. The apparatus utilizes a fluidized wall similar to a waterfall co... | 08/17/1982 |
| 4343867 | Superconducting wire with improved strain characteristics A superconducting wire comprising a superconducting filament and a beryllium strengthened bronze matrix in which the addition of beryllium to the matrix permits a low volume matrix to exhibit reduced elastic deformation after heat treating which increases... | 08/10/1982 |
| 4343836 | One-directional uniformly coated fibers, method of preparation, and uses therefor A problem addressed by this invention was how to obtain very long lengths of refractory metal-coated multifilamentary yarns having a uniform coating on the filaments which make up each yarn, the coating being uniform throughout the length of the yarn such... | 08/10/1982 |
| 4343761 | Heat transport system A falling bed of ceramic particles receives neutron irradiation from a neutron-producing plasma and thereby transports energy as heat from the plasma to a heat exchange location where the ceramic particles are cooled by a gas flow. The cooled ceramic part... | 08/10/1982 |
| 4343760 | Divertor target for magnetic containment device In a plasma containment device of a type having superconducting field coils for magnetically shaping the plasma into approximately the form of a torus, an improved divertor target for removing impurities from a "scrape off" region of the plasma comprises ... | 08/10/1982 |
| 4343675 | Method of manufacturing hollow members having uniform wall thickness through use of ablation A method of manufacturing a hollow structure of uniform wall thickness comprising the steps of selecting or forming a precursor having one wall surface of desired geometry, treating a portion of the precursor consisting of the one wall surface and a unifo... | 08/10/1982 |
| 4343198 | Fluid force transducer An electrical fluid force transducer for measuring the magnitude and direction of fluid forces caused by lateral fluid flow, includes a movable sleeve which is deflectable in response to the movement of fluid, and a rod fixed to the sleeve to translate fo... | 08/10/1982 |
| 4340407 | Method of forming cavitated objects of controlled dimension A method of controllably varying the dimensions of cavitated objects such as hollow spherical shells wherein a precursor shell is heated to a temperature above the shell softening temperature in an ambient atmosphere wherein the ratio of gases which are p... | 07/20/1982 |
| 4339511 | Preparation of powders suitable for conversion to useful ଲ-aluminas A process for forming a precursor powder which, when suitably pressed and sintered forms highly pure, densified ଲ- or ଲ"-alumina, comprising the steps of: (1) forming a suspension (or slurry) of Bayer-derived Al(OH)3 in a water-misc... | 07/13/1982 |
| 4337571 | Method for producing a fuel cell manifold seal A manifold-to-stack seal and sealing method for fuel cell stacks. This seal system solves the problem of maintaining a low leak rate manifold seal as the fuel cell stack undergoes compressive creep. The seal system eliminates the problem of the manifold-t... | 07/06/1982 |
| 4336338 | Hollow microspheres of silica glass and method of manufacture A method of manufacturing gel powder suitable for use as a starting material in the manufacture of hollow glass microspheres having a high concentration of silica. The powder is manufactured from a gel containing boron in the amount of about 1% to 20% (ox... | 06/22/1982 |
| 4336304 | Chemical vapor deposition of sialon A laminated composite and a method for forming the composite by chemical vapor deposition. The composite includes a layer of sialon and a material to which the layer is bonded. The method includes the steps of exposing a surface of the material to an ammo... | 06/22/1982 |
| 4334883 | Isotope separation by laser means A process for separating isotopes by selective excitation of isotopic species of a volatile compound by tuned laser light. A highly cooled gas of the volatile compound is produced in which the isotopic shift is sharpened and defined. Before substantial co... | 06/15/1982 |
| 4333815 | Coal liquefaction in an inorganic-organic medium Improved process for liquefaction of coal by contacting pulverized coal in an inorganic-organic medium solvent system containing a ZnCl2 catalyst, a polar solvent with the structure RX where X is one of the elements O, N, S or P, and R is hydro... | 06/08/1982 |
| 4333021 | Transient stability enhancement of electric power generating systems by 120-degree phase rotation A method and system for enhancing the transient stability of an intertied three-phase electric power generating system. A set of power exporting generators (10) is connected to a set of power importing generators (20). When a transient cannot be controlle... | 06/01/1982 |
| 4332640 | Vibrating fuel grapple A reactor refueling method utilizing a vibrating fuel grapple for removing spent fuel assemblies from a reactor core which incorporates a pneumatic vibrator in the grapple head, enabling additional withdrawal capability without exceeding the allowable axi... | 06/01/1982 |
| 4332617 | Method of fabricating thin-walled articles of tungsten-nickel-iron alloy The present invention relates to a method for fabricating thin-walled high-density structures oftungsten-nickel-iron alloys. A powdered blend of the selected alloy constituents is plasma sprayed onto a mandrel having the desired article configuration. The... | 06/01/1982 |
| 4330920 | Method for manufacturing magnetohydrodynamic electrodes A method of manufacturing electrodes for use in a magnetohydrodynamic (MHD) generator comprising the steps of preparing a billet having a core 10 of a first metal, a tubular sleeve 12 of a second metal, and an outer sheath 14, 16, 18 of an extrusile metal... | 05/25/1982 |
| 4330347 | Resistive coating for current conductors in cryogenic applications This invention relates to a resistive or semiconducting coating for use on current conductors in cryogenic applications. This includes copper-clad superconductor wire, copper wire used for stabilizing superconductor magnets, and for hyperconductors. The c... | 05/18/1982 |
| 4327707 | Solar collector The field of this invention is solar collectors, and more particularly, the invention pertains to a flat plate collector that employs high performance thin films. The solar collector of this invention overcomes several problems in this field, such as exce... | 05/04/1982 |
| 4327592 | Hydrostatic bearings for a turbine fluid flow metering device A rotor assembly fluid metering device has been improved by development of a hydrostatic bearing fluid system which provides bearing fluid at a common pressure to rotor assembly bearing surfaces. The bearing fluid distribution system produces a uniform fi... | 05/04/1982 |
| 4326995 | Catalyst for hydrotreating carbonaceous liquids A catalyst for denitrogenating and desulfurating carbonaceous liquid such as solvent refined coal includes catalytic metal oxides impregnated within a porous base of mostly alumina with relatively large pore diameters, surface area and pore volume. The ba... | 04/27/1982 |
| 4325530 | Cryogenic structural support A tensile support member is provided for use in a cryogenic environment. The member is in the form of a link formed of an epoxy glass laminate with at least one ply of the laminate having its fibers aligned circumferentially about the link.... | 04/20/1982 |
