Resource Type
Degree Department
Country
States
Decade
Month
Day
A unique system of Fe/Pd for magneto-optical recording and magnetic switching devices
This invention is comprised of a high density magneto-optical information storage medium utilizing the properties of an ultrathin iron film on a palladium substrate. The present invention comprises a magneto-optical medium capable of thermal and magnetic stability and capable of possessing a vertical orientation of the magnetization vector for the magnetic material. Data storage relies on the temperature dependence of the coercivity of the ultrathin film. Data retrieval derives from the Kerr effect which describes the direction of rotation of a plane of polarized light traversing the ultrathin magnetic material as a function of the orientation of the magnetization vector.
Date:
May 22, 1990
Creator:
Liu, Chian Q. & Bader, S. D.
System:
The UNT Digital Library
Regenerable activated bauxite adsorbent alkali monitor probe
This invention relates to a regenerable activated bauxite adsorber alkali monitor probe for field applications to provide reliable measurement of alkali-vapor 5 concentration in combustion gas with special emphasis on pressurized fluidized-bed combustion (PFBC) off-gas. More particularly, the invention relates to the development of a easily regenerable bauxite adsorbent for use in a method to accurately determine the alkali-vapor content of PFBC 10 exhaust gases.
Date:
January 22, 1991
Creator:
Lee, S. H. D.
System:
The UNT Digital Library
Method for Synthesizing Extremeley High Temperature Melting Materials
The invention relates to a method of synthesizing high-temperature melting materials. More specifically the invention relates to a containerless method of synthesizing very high temperature melting materials such as borides, carbides and transition-metal, lanthanide and actinide oxides, using an Aerodynamic Levitator and a laser. The object of the invention is to provide a method for synthesizing extremely high-temperature melting materials that are otherwise difficult to produce, without the use of containers, allowing the manipulation of the phase (amorphous/crystalline/metastable) and permitting changes of the environment such as different gaseous compositions.
Date:
November 22, 2005
Creator:
Saboungi, Marie-Louise and Glorieux, Benoit
System:
The UNT Digital Library
Sample push out fixture
This invention generally relates to the remote removal of pelletized samples from cylindrical containment capsules. V-blocks are used to receive the samples and provide guidance to push out rods. Stainless steel liners fit into the v-channels on the v-blocks which permits them to be remotely removed and replaced or cleaned to prevent cross contamination between capsules and samples. A capsule holder securely holds the capsule while allowing manual up/down and in/out movement to align each sample hole with the v-blocks. Both end sections contain identical v-blocks; one that guides the drive out screw and rods or manual push out rods and the other to receive the samples as they are driven out of the capsule.
Date:
February 22, 2000
Creator:
Biernat, John L.
System:
The UNT Digital Library
In-situ method to remove iron and other metals from Solution in Groundwater down Gradient from Permeable Reactive Barrier
This invention is directed to a process for treating the flow of anaerobic groundwater through an aquifer with a primary treatment media, preferably iron, and then passing the treated groundwater through a second porous media though which an oxygenated gas is passed in order to oxygenate the dissolved primary treatment material and convert it into an insoluble material thereby removing the dissolved primary treatment material from the groundwater.
Date:
September 22, 1999
Creator:
Carpenter, Clay E. & Morrison, Stanley J.
System:
The UNT Digital Library
Method and System to Directly Produce Electrical Power within the Lithium Blanket Region of a Magnetically Confined, Deuterium-Tritium (DT) Fueled, Thermonuclear Fusion Reactor
A method for integrating liquid metal magnetohydrodynamic power generation with fusion blanket technology to produce electrical power from a thermonuclear fusion reactor located within a confining magnetic field and within a toroidal structure. A hot liquid metal flows from a liquid metal blanket region into a pump duct of an electromagnetic pump which moves the liquid metal to a mixer where a gas of predetermined pressure is mixed with the pressurized liquid metal to form a Froth mixture. Electrical power is generated by flowing the Froth mixture between electrodes in a generator duct. When the Froth mixture exits the generator the gas is separated from the liquid metal and both are recycled.
Date:
September 22, 1998
Creator:
Woolley, Robert D.
System:
The UNT Digital Library
High Specific Surface area Aerogel Cryoadsorber for Vacuum Pumping Applications
A cryogenic pumping system is provided, comprising a vacuum environment, an aerogel sorbent formed from a carbon aerogel disposed within the vacuum environment, and cooling means for cooling the aerogel sorbent sufficiently to adsorb molecules from the vacuum environment onto the aerogel sorbent. Embodiments of the invention include a liquid refrigerant cryosorption pump, a compressed helium cryogenic pump, a cryopanel and a Meissner coil, each of which uses carbon aerogel as a sorbent material.
Date:
December 22, 1998
Creator:
Hill, Randal M.; Fought, Eric R. & Biltoft, Peter J.
System:
The UNT Digital Library
Process for Making a Ceramic Composition for Immobilization of Actinides
Disclosed is a process for making a ceramic composition for the immobilization of actinides, particularly uranium and plutonium. The ceramic is a titanate material comprising pyrochlore, brannerite and rutile. The process comprises oxidizing the actinides, milling the oxides to a powder, blending them with ceramic precursors, cold pressing the blend and sintering the pressed material.
Date:
June 22, 1999
Creator:
Ebbinghaus, Bartley B.; Van Konynenburg, Richard A.; Vance, Eric R.; Stewart, Martin W.; Walls, Philip A.; Brummond, William Allen et al.
System:
The UNT Digital Library
Ceramic Composition for Immobilization of Actinides
Disclosed is a ceramic composition for the immobilization of actinides, particularly uranium and plutonium. The ceramic is a titanate material comprising pyrochlore, brannerite and rutile.
Date:
June 22, 1999
Creator:
Ebbinghaus, Bartley B.; Van Konynenburg, Richard A.; Vance, Eric R.; Stewart, Martin W.; Jostsons, Adam; Allender, Jeffrey S. et al.
System:
The UNT Digital Library
A method to remove Ammonia using a Proton-Conducting Ceramic Membrane
An apparatus and method for decomposing NH{sub 3}. A fluid containing NH{sub 3} is passed in contact with a tubular membrane that is a homogeneous mixture of a ceramic and a first metal, with the ceramic being selected from one or more of a cerate having the formula of M' Ce{sub 1-x} M''O{sub 3-{delta}}, zirconates having the formula M'Zr{sub 1-x} M''3-{delta}, stannates having the formula M'Sn{sub 1-x}M''O{sub 3}-{delta}, where M' is a group IIA metal, M'' is a dopant metal of one or more of Ca, Y, Yb, In, Nd, Gd or mixtures thereof and {delta} is a variable depending on the concentration of dopant and is in the range of from 0.001 to 0.5, the first metal is a group VIII or group IB element selected from the group consisting of Pt, Ag, Pd, Fe, Co, Cr, Mn, V, Ni, Au, Cu, Rh, Ru and mixtures thereof. The tubular membrane has a catalytic metal on the side thereof in contact with the fluid containing NH{sub 3} which is effective to cause NH{sub 3} to decompose to N{sub 2} and H{sub 2}. When the H{sub 2} contacts the membrane, H{sup +} ions are formed which pass through the membrane driving …
Date:
September 22, 1999
Creator:
Balachandran, Uthamalingam & Bose, Arun C.
System:
The UNT Digital Library
Ultrasonic Sensor and Method of use
An ultrasonic sensor system and method of use for measuring transit time through a liquid sample, comprising at least one ultrasonic transducer coupled to a precision time interval counter. The timing circuit captures changes in transit time, representing small changes in the velocity of sound transmitted, over necessarily small time intervals (nanoseconds) and uses the transit time changes to identify the presence of non-conforming constituents in the sample.
Date:
July 22, 1999
Creator:
Condreva, Kenneth J.
System:
The UNT Digital Library
Clothes-Rack
Patent for Clothes Rack. This helps dry clothes indoors when the weather is bad outside.
Date:
March 22, 1921
Creator:
Wells, Lillie Bell
System:
The Portal to Texas History
Apparatus For Forcing Fluid From Wells.
Patent for a narrow device to use fluid dynamics to remove certain fluids without loss of others. The apparatus is let down the well until one end is submerged before pressurized with air to seperate fluids and bring oil up to the surface of the well.
Date:
February 22, 1921
Creator:
Bodungen, Charles G.
System:
The Portal to Texas History
Clutch and Transmission Device
Patent for new and useful improvements in the development of clutch and transmission devices.
Date:
February 22, 1921
Creator:
Hubbard, Adra M.
System:
The Portal to Texas History
Bale-Tie Buckle
Patent for new and valuable improvements on bale-tie buckles for cotton bales. This relates to buckles securing ties on cotton bales and minimize injury to the persons handling the cotton.
Date:
March 22, 1921
Creator:
McFarland, Frank Hays
System:
The Portal to Texas History
Bushing Extractor and Inserter
Patent for the creation of a manner in the method of bushing extractors and inserters.
Date:
February 22, 1921
Creator:
Renfro, Leonardo E.
System:
The Portal to Texas History
Automobile Signal
Patent for the creation of signals to be used in conjunction with automobiles during traffic.
Date:
February 22, 1921
Creator:
Ziegenbalg, Emil
System:
The Portal to Texas History
Automatic Separating Device.
Patent for an automatic separating device. This device operates with a link that connects the float level at the top of the tank with a valve handle at the bottom of the tank to control discharge from the tank.
Date:
January 22, 1918
Creator:
Allen, Charles
System:
The Portal to Texas History
Combined Stool and Table
Patent for a combined stool and table that can be folded and is portable for use in cars or at picnics; includes "knife, fork and spoon compartments" (line 25).
Date:
February 22, 1921
Creator:
Lewis, Charles E.
System:
The Portal to Texas History
Belt-Stretcher
Patent for an improvement in belt stretchers that are cheaper to make and easier to operate.
Date:
May 22, 1920
Creator:
Cherry, Warren L.
System:
The Portal to Texas History
Automatic Density-Indicator for Slime-Pulp Separators.
Patent for devices that thickens slimes for ore milling operations in which it will indicate the density and regulate it so it will not go below a predetermined value.
Date:
June 22, 1920
Creator:
Allen, Charles
System:
The Portal to Texas History
Coaling Device.
Patent for coal colliers that breaks the coal into small pieces and lifts the coal to pour the coal into the ship's bunkers.
Date:
June 22, 1920
Creator:
Buchanan, Stewart Harold
System:
The Portal to Texas History
Wire-Stretcher
Patent for a wire stretcher. Illustrations included.
Date:
October 22, 1912
Creator:
Berry, Phillip Anderson
System:
The Portal to Texas History
Wire Stretcher
Patent for a wire-stretcher designed to repair wire fences manually.
Date:
October 22, 1901
Creator:
Pearson, Charles Ewell
System:
The Portal to Texas History