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Ammonia release method for depositing metal oxides

Description: A method of depositing metal oxides on substrates which is indifferent to the electrochemical properties of the substrates and which comprises forming ammine complexes containing metal ions and thereafter effecting removal of ammonia from the ammine complexes so as to permit slow precipitation and deposition of metal oxide on the substrates.
Date: December 31, 1993
Creator: Silver, G.L. & Martin, F.S.
Partner: UNT Libraries Government Documents Department
open access

Apparatus and method for extracting power from energetic ions produced in nuclear fusion

Description: This invention is comprised of an apparatus and method of extracting power from energetic ions produced by nuclear fusion in a toroidal plasma to enhance respectively the toroidal plasma current and fusion reactivity. By injecting waves of predetermined frequency and phase traveling substantially in a selected poloidal direction within the plasma, the energetic ions become diffused in energy and space such that the energetic ions lose energy and amplify the waves. The amplified waves are furthe… more
Date: December 31, 1993
Creator: Fisch, N. J. & Rax, J. M.
Partner: UNT Libraries Government Documents Department
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Apparatus and method for laser deposition of durable coatings

Description: Disclosed are method and apparatus for depositing durable coatings onto the surface of a substrate without heating the entire substrate to high temperatures by using lasers to heat the substrate and dissociate a deposition gas. The apparatus comprises a deposition chamber for enclosing the substrate upon which a coating is to be deposited, gas delivery means for directing a flow of deposition gas on the substrate, a first laser for heating the substrate, and a second laser for irradiating the d… more
Date: December 31, 1993
Creator: Veligdan, J.T.; Vanier, P. & Barletta, R.E.
Partner: UNT Libraries Government Documents Department
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Apparatus and method for two-stage oxidation of wastes

Description: An apparatus and method for oxidizing wastes in a two-stage process. The apparatus includes an oxidation device, a gas-liquid contacting column and an electrocell. In the first stage of the process, wastes are heated in the presence of air to partially oxidize the wastes. The heated wastes produce an off-gas stream containing oxidizable materials. In the second stage, the off-gas stream is cooled and flowed through the contacting column, where the off-gas stream is contacted with an aqueous aci… more
Date: September 28, 1993
Creator: Fleischman, S. D.
Partner: UNT Libraries Government Documents Department
open access

Apparatus for detecting the presence of a liquid

Description: This invention is comprised of an apparatus for detecting the presence of a liquid in a region, including an electrically passive sensor adapted for contacting the liquid, and an electrically active detector. The sensor is a circuit with a pair of spaced-apart terminals connected to a switch that closes in the presence of the liquid. The detector carries an alternating current with a resonant frequency. When the sensor is placed in a region and liquid is present, the circuit of the sensor is cl… more
Date: January 1, 1993
Creator: Kronberg, James W.
Partner: UNT Libraries Government Documents Department
open access

Conveyor with rotary airlock apparatus

Description: This invention is comprised of an apparatus for transferring objects from a first region to a second region, the first and second regions having differing atmospheric environments. The apparatus includes a shell having an entrance and an exit, a conveyer belt running through the shell from the entrance to the exit, and a horizontally mounted `revolving door` with at least four vanes revolving about its axis. The inner surface of the shell and the top surface of the conveyer belt act as opposing… more
Date: January 1, 1993
Creator: Kronbert, J.W.
Partner: UNT Libraries Government Documents Department
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Corrosion-resistant iridium-platinum anode material for high polarization application in corrosive acids

Description: The present invention relates to highly corrosion resistant components for use in an electrochemical cell. Specifically, these components are resistant to corrosion under very extreme conditions such as exposure to aqua regia in the presence of a constant current density of 100mA/m{sup 2}. The components are comprised of an iridium-platinum alloy that comprises less than 30% iridium. In a preferred embodiment of the present invention, the iridium-platinum alloy comprises 15-20% iridium. In anot… more
Date: September 8, 1993
Creator: Farmer, J.; Summers, L. & Lewis, P.
Partner: UNT Libraries Government Documents Department
open access

Device for calibrating a radiation detector system

Description: The present invention relates to a device for calibrating a radiation detector system that is used for measuring the radionuclide intake of those exposed to radioactive materials. In particular, the present invention relates to a device that simulates a human chest and lungs with a modicum of internal radiation for use in calibrating radiation detectors.
Date: September 23, 1993
Creator: McFee, M. C.; Kirkham, T. J. & Johnson, T. H.
Partner: UNT Libraries Government Documents Department
open access

Digital electronic bone growth stimulator

Description: The present invention relates to the electrical treatment of biological tissue. In particular, the present invention discloses a device that produces discrete electrical pulse trains for treating osteoporosis and accelerating bone growth. According to its major aspects and broadly stated, the present invention consists of an electrical circuit configuration capable of generating Bassett-type waveforms shown with alternative signals provide for the treatment of either fractured bones or osteopor… more
Date: January 1, 1993
Creator: Kronberg, James W.
Partner: UNT Libraries Government Documents Department
open access

Direct current sputtering of boron from boron/carbon mixtures

Description: A method for coating a substrate with boron by sputtering includes lowering the electrical resistance of a boron-containing rod to allow electrical conduction in the rod; placing the boron-containing rod inside a vacuum chamber containing substrate material to be coated; applying an electrical potential between the boron target material and the vacuum chamber; countering a current avalanche that commences when the conduction heating rate exceeds the cooling rate, and until a steady equilibrium … more
Date: December 31, 1993
Creator: Timberlake, John R.; Manos, Dennis & Nartowitz, Ed
Partner: UNT Libraries Government Documents Department
open access

End moldings for cable dielectrics

Description: End moldings for high-voltage cables are described wherein the dielectric insulator of the cable is heated and molded to conform to a desired shape. As a consequence, high quality substantially bubble- free cable connectors suitable for mating to premanufactured fittings are made. Disclosed are a method for making the cable connectors either in the field or in a factory, molds suitable for use with the method, and the molded cable connectors, themselves.
Date: December 31, 1993
Creator: Roose, L.D.
Partner: UNT Libraries Government Documents Department
open access

Fiber optic probe for light scattering measurements

Description: This invention is comprised of a fiber optic probe and a method for using the probe for light scattering analyses of a sample. The probe includes a probe body with an inlet for admitting a sample into an interior sample chamber, a first optical fiber for transmitting light from a source into the chamber, and a second optical fiber for transmitting light to a detector such as a spectrophotometer. The interior surface of the probe carries a coating that substantially prevents non-scattered light … more
Date: January 1, 1993
Creator: Nave, S.E.; Livingston, R.R. & Prather, W.S.
Partner: UNT Libraries Government Documents Department
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Fiber optic sensor for detecting damage location and shock wave velocity

Description: This invention is comprised of a shock velocity and damage location sensor providing a means of measuring shock speed and damage location. The sensor consists of a long series of time-of-arrival `points` constructed with fiber optics. The fiber optic sensor apparatus measures shock velocity as the fiber sensor is progressively crushed as a shock wave proceeds in a direction along the fiber. The light received by a receiving means changes as time-of-arrival points are destroyed as the sensor is … more
Date: December 31, 1993
Creator: Weiss, J.D.
Partner: UNT Libraries Government Documents Department
open access

Fiber optic signal amplifier using thermoelectric power generation

Description: A remote fiber optic signal amplifier for use as a repeater/amplifier, such as in transoceanic communication, powered by a Pu{sub 238} or Sr{sub 90} thermoelectric generator. The amplifier comprises a unit with connections on the receiving and sending sides of the communications system, and an erbium-doped fiber amplifier connecting each sending fiber to each receiving fiber. The thermoelectric generator, preferably a Pu{sub 238} or Sr{sub 90} thermoelectric generator delivers power to the ampl… more
Date: January 1, 1993
Creator: Hart, M. M.
Partner: UNT Libraries Government Documents Department
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Fluid sampling system

Description: This invention comprises a fluid sampling system which allows sampling of radioactive liquid without spillage. A feed tank is connected to a liquid transfer jet powered by a pumping chamber pressurized by compressed air. The liquid is pumped up into a sampling jet of venturi design having a lumen with an inlet, an outlet, a constricted middle portion, and a port located above the constricted middle portion. The liquid is passed under pressure through the constricted portion causing its velocity… more
Date: December 31, 1993
Creator: Houck, E.D.
Partner: UNT Libraries Government Documents Department
open access

Gasket and snap ring installation tool

Description: This invention is comprised of a tool for installing a gasket and a snap ring including a shaft, a first plate attached to the forward end of the shaft, a second plate slidably carried by the shaft, a spring disposed about the shaft between the first and second plates, and a sleeve that is free to slide over the shaft and engage the second plate. The first plate has a loading surface with a loading groove for receiving a snap ring and a shoulder for holding a gasket. A plurality of openings are… more
Date: August 23, 1993
Creator: Southerland, J. M., Sr. & Barringer, C.N., Sr.
Partner: UNT Libraries Government Documents Department
open access

High temperature metallic diffraction gratings and process of manufacturing same

Description: This invention is comprised of a method of applying diffraction gratings or images directly to the surface of a substrate wherein the gratings or images are capable of withstanding high temperatures, pressures, humidity and other such conditions related to materials testing. The method includes coating the surface of the substrate with an uniform layer of metal which is then overlaid with a layer of photo-resist material. Next, after contacting the photo-resist material with a master image cont… more
Date: December 31, 1993
Creator: Deason, V. A.; Hsu, Karen M. & Miller, R. L.
Partner: UNT Libraries Government Documents Department
open access

Imaging Fourier transform spectrometer

Description: This invention is comprised of an imaging Fourier transform spectrometer having a Fourier transform infrared spectrometer providing a series of images to a focal plane array camera. The focal plane array camera is clocked to a multiple of zero crossing occurrences as caused by a moving mirror of the Fourier transform infrared spectrometer and as detected by a laser detector such that the frame capture rate of the focal plane array camera corresponds to a multiple of the zero crossing rate of th… more
Date: September 13, 1993
Creator: Bennett, C. L.
Partner: UNT Libraries Government Documents Department
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An improved system and method for networking electrochemical devices

Description: An improved electrochemically active system and method including a plurality of electrochemical devices, such as fuel cells and fluid separation devices are disclosed, in which the anode and cathode process-fluid flow chambers are connected in fluid-flow arrangements so that the operating parameters of each of said plurality of electrochemical devices which are dependent upon process-fluid parameters may be individually controlled to provide improved operating efficiency. Improvements in operat… more
Date: December 31, 1993
Creator: Williams, M.C.; Wimer, J.G. & Archer, D.H.
Partner: UNT Libraries Government Documents Department
open access

Indirect-Fired Gas Turbine Bottomed With Fuel Cell

Description: An indirect-heated gas turbine cycle is bottomed with a fuel cell cycle with the heated air discharged from the gas turbine being directly utilized at the cathode of the fuel cell for the electricity-producing electrochemical reaction occurring within the fuel cell. The hot cathode recycle gases provide a substantial portion of the heat required for the indirect heating of the compressed air used in the gas turbine cycle. A separate combustor provides the balance of the heat needed for the indi… more
Date: December 31, 1993
Creator: Micheli, Paul L.; Williams, Mark C. & Parsons, Edward L.
Partner: UNT Libraries Government Documents Department
open access

Interline Transfer CCD Camera

Description: An interline CCD sensing device for use in a camera system, includes an imaging area sensitive to impinging light, for generating charges corresponding to the intensity of the impinging light. Sixteen independent registers R1 - R16 sequentially receive the interline data from the imaging area, corresponding to the generated charges. Sixteen output amplifiers S1 - S16 and sixteen ports P1 - P16 for sequentially transferring the interline data, one pixel at a time, in order to supply a desired im… more
Date: December 31, 1993
Creator: Prokop, Mark S.; McCurnin, Thomas W.; Stump, Charles J. & Stradling, Gary L.
Partner: UNT Libraries Government Documents Department
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A means for positively seating a piezoceramic element in a piezoelectric valve during inlet gas injection

Description: This invention is comprised of a piezoelectric valve in a gas delivery system which includes a piezoceramic element bonded to a valve seal and disposed over a valve seat, and retained in position by an O-ring and a retainer; and insulating ball normally biased by a preload spring against the piezoceramic element; and inlet gas port positioned such that upon admission of inlet gas into the valve. The piezoceramic element is positively seated. The inelt gas port is located only on the side of the… more
Date: December 31, 1993
Creator: Wright, K. E.
Partner: UNT Libraries Government Documents Department
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Mercury-Free Dissolution of Aluminum-Clad Fuel in Nitric Acid

Description: It is the purpose of this invention to provide a continuous optimum process for the dissolution of aluminum, without the use of a mercury catalyst. Ile invention generally stated is: a process for dissolution of aluminum comprising: preparing a mixture of nitric acid`and fluoboric acid in a makeup vessel or individual reagents in separate vessels; placing an aluminum element in a dissolver vessel having an overflow; transferring a portion of the mixture of nitric acid and fluoboric acid to the … more
Date: December 31, 1993
Creator: Christian, J. D. & Anderson, P. A.
Partner: UNT Libraries Government Documents Department
open access

Method and apparatus for container leakage testing

Description: This invention is an apparatus for use in 100% leak testing of food containers used in conjunction with a tracer gas. It includes a shell with entrance and exit air locks to create a controlled atmosphere through which a series of containers is conveyed by a conveyor belt. Pressure in the shell is kept lower than that in the containers and the atmosphere is made to flow with the containers so that a tracer gas placed in the packages before sealing them will leak more readily, but the leaked tra… more
Date: October 18, 1993
Creator: Kronberg, James W.
Partner: UNT Libraries Government Documents Department
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