09 - Scientific and electric apparatus and instruments
Goods & Services
Monitoring system for electrodes, namely, a sensor interfaced to a computer using software for monitoring connections between electric arc furnace electrodes.
2.
FILAMENTED CASK FOR GRAPHITIZATION OF CARBON MATERIAL
A system for graphitization of carbon powder, the system including a cask comprising a cask body made of a carbonaceous material and a binder, the cask body having a cavity. The system further includes a filament made of a carbonaceous material and a binder, wherein the filament is configured to be positioned in the cavity and aligned with the cask body.
C04B 35/52 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite
C04B 35/532 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
09 - Scientific and electric apparatus and instruments
Goods & Services
Monitoring system for electrodes, namely, a sensor interfaced to a computer using software for monitoring connections between electric arc furnace electrodes
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Hardware and electrical equipment for monitoring performance of electric arc furnaces and for monitoring the performance and status of electrodes used in electrode arc furnaces. Software as a service (SAAS) services featuring software for monitoring performance of electric arc furnaces and for monitoring the performance and status of electrodes used in electrode arc furnaces.
09 - Scientific and electric apparatus and instruments
Goods & Services
Monitoring system for electrodes, namely, a sensor interfaced to a computer using software for identifying and monitoring electric arc furnace electrodes.
09 - Scientific and electric apparatus and instruments
42 - Scientific, technological and industrial services, research and design
Goods & Services
Computer hardware and electrical equipment in the nature of electronic controllers for electric arc furnaces, electrode current monitors, power meters, electric arc furnace regulator monitors being electronic monitors to collect operational data from electric arc furnace regulators to ensure proper functioning, hydraulic valve spool position monitors, hydraulic fluid pressure monitors, electrode mast position monitors, electric sensors, and electronic monitors to collect operational data from electric arc furnaces to ensure proper functioning, sold as a unit, all the foregoing for monitoring performance of electric arc furnaces and for monitoring the performance and status of electrodes used in electric arc furnaces Software as a service (SAAS) services featuring software for monitoring performance of electric arc furnaces and for monitoring the performance and status of electrodes used in electrode arc furnaces
11.
SYSTEMS AND METHODS FOR GRAPHITE ELECTRODE IDENTIFICATION AND MONITORING
A system including a graphite electrode having a graphite body with first and second opposed ends. The electrode further includes a threaded connector positioned at one of the first or second ends, and a tag coupled to or positioned in the threaded connector, wherein the tag is configured to transmit a signal including information relating to the electrode.
F27B 3/28 - Arrangement of controlling, monitoring, alarm or like devices
F27B 3/08 - Hearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces heated electrically, e.g. electric arc furnaces, with or without any other source of heat
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
An extrusion press including a ram having a ram body configured for movement along a ram axis, and a compaction container defining a compaction compartment and having a compaction container axis. The compaction container is rotatable between a first orientation wherein the compaction container axis is not aligned with the ram axis and a second orientation wherein the compaction container axis is aligned with the ram axis such that the ram body is movable into the compaction compartment.
A system and method is disclosed for monitoring graphite electrodes for use in an electric arc furnace includes receiving an electrode identifiers from a radio frequency identification (RFID) tag reader configured to interrogate RFID tags in the vicinity of an electric arc furnace (EAF), wherein the RFID tags are attached to electrodes. The electrode identifier is associated with EAF data collected from the EAF and the association is stored in a memory. The association is used for generating current and past operating parameters of the electric arc furnace for specific electrodes. Data for each specific electrode used in the EAF can also be collected for determining performance parameters for specific electrodes.
F27B 3/28 - Arrangement of controlling, monitoring, alarm or like devices
F27B 3/08 - Hearth-type furnaces, e.g. of reverberatory typeElectric arc furnaces heated electrically, e.g. electric arc furnaces, with or without any other source of heat
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
An extrusion press including a ram having a ram body configured for movement along a ram axis, and a compaction container defining a compaction compartment and having a compaction container axis. The compaction container is rotatable between a first orientation wherein the compaction container axis is not aligned with the ram axis and a second orientation wherein the compaction container axis is aligned with the ram axis such that the ram body is movable into the compaction compartment.
B30B 11/00 - Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses or tabletting presses
B30B 15/00 - Details of, or accessories for, pressesAuxiliary measures in connection with pressing
15.
SYSTEMS AND METHODS FOR GRAPHITE ELECTRODE IDENTIFICATION AND MONITORING
A system and method is disclosed for monitoring graphite electrodes for use in an electric arc furnace includes receiving an electrode identifiers from a radio frequency identification (RFD)) tag reader configured to interrogate RFD) tags in the vicinity of an electric arc furnace (EAF), wherein the RFD) tags are attached to electrodes. The electrode identifier is associated with EAF data collected from the EAF and the association is stored in a memory. The association is used for generating current and past operating parameters of the electric arc furnace for specific electrodes. Data for each specific electrode used in the EAF can also be collected for determining performance parameters for specific electrodes.
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G06K 19/077 - Constructional details, e.g. mounting of circuits in the carrier
A system and method is disclosed for monitoring graphite electrodes for use in an electric arc furnace includes receiving an electrode identifiers from a radio frequency identification (RFID) tag reader configured to interrogate RFID tags in the vicinity of an electric arc furnace (EAF), wherein the RFID tags are attached to electrodes. The electrode identifier is associated with EAF data collected from the EAF and the association is stored in a memory. The association is used for generating current and past operating parameters of the electric arc furnace for specific electrodes. Data for each specific electrode used in the EAF can also be collected for determining performance parameters for specific electrodes.
G06K 19/07 - Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards with integrated circuit chips
G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation
G09F 3/12 - Fastening or securing by means not forming part of the material of the label itself by pins, staples, or the like
A method of producing low CTE graphite electrodes from needle coke formed from a coal tar distillate material having a relatively high initial boiling point.
C04B 35/52 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite
C10B 55/00 - Coking mineral oils, bitumen, tar or the like, or mixtures thereof, with solid carbonaceous materials
C04B 35/532 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
C04B 35/626 - Preparing or treating the powders individually or as batches
09 - Scientific and electric apparatus and instruments
Goods & Services
Monitoring system for electrodes, namely, a sensor interfaced to a computer using software for identifying and monitoring electric arc furnace electrodes
19.
Display screen or portion thereof with graphical user interface
A composite artic l e is provided for use as a heat spreader, a cooling element or as pari of the heating system for a wide variety of items. The composite article can mclude at l east one sheet of compressed particles of exfoliated graphite or graphiiized polymer. A protective coating may be aligned or adhered with a surface of the sheet. The article may also mclude at least.one of a fiber reinforced polymer, a fiber weave or fiber mat or combinations thereof, aligned with at least one of the first surface of the sheet or a second surface of the sheet. The composite article can include a. plurality of strips of compressed particles of exfoliated graphite, of graphiiized polymer or combinations thereof, which are woven together and/or it can Include cut outs, slits or other perforations to provide flexibility, stretehabi Kiy, and breathahility.
A precursor having at least five percent of lignin based coke and d002 spacing of more than 3.36 angstroms and less 3.44 for making graphite. Methods for making a green/graphite article include mixing coke derived from a petroleum product, a coal product or a bitumen product with coke derived from lignin. Alternatively, the precursor material for the various types of coke may be mixed and coked together. The mixture may be formed into a desired shape. The article may be subsequently carbonized and graphitized. The amount of lignin derived coke comprises a sufficient quantity to change at least a selected property of the graphite article.
C04B 35/532 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
C04B 35/52 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite
23.
FLEXIBLE GRAPHITE SHEET SUPPORT STRUCTURE AND THERMAL MANAGEMENT ARRANGEMENT
A flexible graphite sheet support structure forms a thermal management arrangement for device having a heat source. The flexible graphite sheet support structure includes first and second spaced apart support members and a flexible graphite sheet secured to the spaced apart support members forming a free standing flex accommodating section that spans between them. Curve retention members having convex curved surfaces are used to keep the flex accommodating section in a bell shaped curve while preventing the flexible graphite sheet from exceeding a minimum bend radius. The thermal management arrangement formed by the flexible graphite sheet support structure enables the flexible graphite sheet to move heat from one support structure to the other while reducing the transmission of vibration between them and allowing relative movement between the spaced apart support structures.
A flexible circuit board having a flexible graphite substrate is provided. The flexible circuit board includes a dielectric layer formed on the surface of the flexible graphite substrate and an electrically conductive layer formed on the surface of the dielectric. Electronic components are mounted to the flexible circuit board to form a circuit arrangement. A thermally conductive conduit can be disposed in thermal and physical contact with a surface of the electronic component and the surface of the flexible graphite substrate to. The high in-plane thermal conductivity graphite substrate provides enhanced heat transfer capability to effectively move of heat away from the electronic components for improved cooling of the heat generating electronic component and surrounding devices. A variety of LED light arrangements are formed using the flexible graphite substrate circuit board including light engines for LCD display devices.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
C04B 35/536 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite based on expanded graphite
26.
Process of making carbon fibers derived from lignin/carbon residue
D01F 9/15 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues from coal pitch
D01F 9/155 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues from petroleum pitch
D01F 9/17 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetat from lignin
C07G 1/00 - Low-molecular-weight derivatives of lignin
D01F 9/145 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues
A method of making a carbon fiber includes heat treating a lignin precursor absent an active ingredient in an inert atmosphere to raise the glass transition temperature (Tg) of the precursor by at least five (5%) percent, forming a lignin precursor having an increased Tg (High Tg Lignin). The High Tg Lignin can be spun into a fiber. The fiber may then be stabilized to form a thermoset fiber. The time period for stabilizing the fiber is less than one hundred (100) hours.
D02J 13/00 - Heating or cooling the yarn, thread, cord, rope, or the like, not specific to any one of the processes provided for in this subclass
D01F 9/17 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetat from lignin
C07G 1/00 - Low-molecular-weight derivatives of lignin
A graphite article which can be compressed by more three (3%) percent at a contact pressure of 100 KPa or less without damaging the graphite article reducing the thermal impedance exhibited by the article. Also a graphite article comprising graphitized polymer having a thickness of at least 75 microns. Preferably the graphite has a density of less than 1.50 g/cc and a compressibility of more than 3% at a contact pressure of 100 KPa. Also the article has a generally sheet like shape. These articles may be used in a thermal management system to dissipate heat from a heat source.
A method for making a three dimensional article include depositing alternating layers of a binder and a filler to form an article. Fillers include carbon or graphite based powders. Thereafter, the article is heat treated in a non-oxidizing environment to at least about 800℃.
C04B 35/515 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides
C04B 35/52 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite
C04B 35/528 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components
30.
CARBON PRODUCTS DERIVED FROM LIGNIN/CARBON RESIDUE
A precursor having at least five percent of lignin based coke and d002 spacing of more than 3.36 angstroms and less 3.44 for making graphite. Methods for making a green/ graphite article include mixing coke derived from a petroleum product, a coal product or a bitumen product with coke derived from lignin. Alternatively, the precursor material for the various types of coke may be mixed and coked together. The mixture may be formed into a desired shape. The article may be subsequently carbonized and graphitized. The amount of lignin derived coke comprises a sufficient quantity to change at least a selected property of the graphite article.
C04B 35/532 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
An electronic device has a heat source and a generally rectangular shape battery proximate the heat source. The battery may have first and second major surfaces. A thermal regulator is in thermal contact with both of the heat source and substantially all of at least the first major surface of the battery. During operation of the device, heat transferred from the heat source to the first major surface via the thermal regulator balances the temperature profile exhibited along the first major surface such that it is substantially uniform.
H01M 10/617 - Types of temperature control for achieving uniformity or desired distribution of temperature
H01M 10/653 - Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
H01M 10/647 - Prismatic or flat cells, e.g. pouch cells
A battery anode including a metallic current collector layer adjacent a first major surface of a graphite layer and a silicon containing anode layer adjacent a second major surface of the graphite layer. One application for such anode is in a lithium-ion battery.
A thermal management arrangement for a device that includes a heat sink and an electronic component positioned on a substrate. The heat sink is positioned proximate to, but not in contact with the substrate and the thermal management arrangement includes a thermal link made of at least one sheet of flexible graphite. The sheet of flexible graphite is being in thermal contact with the electronic component and said heat sink. The thermal link includes a curved portion spanning a gap between the heat sink and the substrate or electronic component which is longer than required to bridge the gap to provide a slackened portion which reduces the transmission of mechanical energy between the heat sink and the substrate.
An insulation and heating assembly for a directional solidification system furnace. The insulation assembly includes sidewalls arranged in a generally square shape and curved edge panels positioned to interconnect adjacent sidewalls. The heating assembly includes four side bars arranged in a generally square shape. The side bars are electrically connected to each other by edge connectors. The edge connector extends upwardly or downwardly at least 1.5 times the height of the vertical height of the side bar.
A thermal management article includes a graphite sheet from between about 10 micron and 100 micron thick with an in-plane thermal conductivity at least 250 W/mK. The graphite sheet has a graphene oxide coating having a thickness from between 0.1 micron to about 30 micron.
H01B 1/04 - Conductors or conductive bodies characterised by the conductive materialsSelection of materials as conductors mainly consisting of carbon-silicon compounds, carbon, or silicon
A method of producing graphene powder includes the heat treatment of a graphitizable polymer film to at least 2000 degrees C to form a heat treated film having a substantially turbostratic graphitic structure. The heat treated film is then sheared along a plane substantially parallel to a major surface of the heat treated film to form a particulate having a thickness less than 100 nanometers.
A composite down-hole tool for use in oil and gas wells includes plurality of fibers which extend along at least a first fiber plane and a second fiber plane. The first fiber plane and the second fiber plane are arranged perpendicular. A matrix material substantially fills the area between and around the plurality of fibers. The down-hole tool is spherical or cylindrical and substantially all of the plurality of fibers extend substantially straight and uninterrupted between opposed sides of the spherical or cylindrical shape down-hole tool.
B29C 70/24 - Fibrous reinforcements only characterised by the structure of fibrous reinforcements using fibres of substantial or continuous length oriented in at least three directions forming a three dimensional structure
38.
PORTABLE ELECTRONIC DEVICE THERMAL MANAGEMENT SYSTEM
An electronic device having a heat source disposed in direct alignment with a battery for the device and a thermal management system in thermal contact with the heat source. The thermal management system may extend from at least a first surface of the battery to a second surface of the battery. The second surface of the battery may be adjacent a heat dissipation element. The thermal management system may further be in thermal contact with the heat dissipation element. Further a portion of the thermal management system extends along the first and second surfaces of the battery and has a sufficiently high anisotropic ratio to avoid the transfer of heat to the battery to the extent to inhibit the functioning of the battery.
A thermal dissipation assembly includes a substrate with a heat transfer surface. A plurality of heat transfer pins are formed by wrapping a flexible graphite sheet. The heat transfer pins extend outwardly from said heat dissipation surface where convective and/or radiative forces remove the heat therefrom. As electronic devices become more dense, the dissipation of heat becomes a critical design constraint. At the same time power increases, the devices themselves often get smaller and more compact.
Sheets of flexible graphite may be used as thermal interfaces in various ways. The flexible graphite sheets may consist of compressed particles of exfoliated graphite, graphitized polyimide sheets, or combinations thereof. The sheets in their unaltered form are standard planar sheets. The sheets are manipulated to create a three dimensional graphite article. The article is used to dissipate heat away from a heat source to a heat dissipation element. The article can take anyone of the shapes included herein or other three dimensional shapes other than a standard sheet of paper. Such a graphite article may be incorporated into a thermal management system.
An electrode for a flow battery includes a carbonized felt having a bulk density of from between about 0.05 g/cc and about 0.2 g/cc and a dry weight and an equilibrium weight after submersion in an electrolyte. The carbon felt receives a treatment that enables an equilibrium weight at least 20 times the dry weight.
A flow battery includes a proton exchange membrane and a pair of porous electrodes positioned on each side thereof. A bipolar plate is sized and positioned to engage the porous electrode. At least one of the surfaces of the bipolar plate has an arithmetic mean roughness of at least 100 μ-in.
A method of making a carbon fiber comprising esterification of a lignin precursor with an acid, acid anhydride, or acyl halide, thereby forming a reduced Tg lignin. Mixing the reduced Tg lignin with a carbon residue selected from the group of coal based raw material, petroleum based raw material and combinations thereof, thereby forming a fiber precursor mixture; and spinning the fiber precursor mixture into a fiber.
A method of making a carbon fiber includes heat treating a lignin precursor absent an active ingredient in an inert atmosphere to raise the glass transition temperature (Tg) of the precursor by at least five (5%) percent, forming a lignin precursor having an increased Tg (High Tg Lignin). The High Tg Lignin can be spun into a fiber. The fiber may then be stabilized to form a thermoset fiber. The time period for stabilizing the fiber is less than one hundred (100) hours.
D01F 9/17 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from products of vegetable origin or derivatives thereof, e.g. from cellulose acetat from lignin
C07G 1/00 - Low-molecular-weight derivatives of lignin
A hearth refractory assembly is provided to improve gas sealing of a blast furnace hearth. The blast furnace hearth has a metal outer shell and a spool extending outwardly therefrom. The spool has a spool metal outer wall and forms an opening in said hearth metal outer shell. The refractory liner assembly includes a plurality of hearth refractory bricks arranged in a stacked configuration and lining the interior of the hearth metal outer shell and the spool. A liner is positioned between the hearth refractory brick and said hearth metal outer shell or within the spool and covers substantially all of the spool opening. The liner is a sheet made substantially from graphite.
A method and system automatically determines when an electrode add event occurs in an electric arc furnace having a plurality of electrode columns, each carried by an electrode positioning system. Data is received correlating to the electrical current input to the positioning motors of the plurality of electrode columns. Data is also received correlating to a defined operating mode of the electrode positioning systems. Motor electrical current data is captured when the electrode positioning system is in the defined mode and an electrode-add event is thereafter determined when a current spike is identified in the motor input current data.
A display device includes a heat sink and an LCD panel having peripheral edges. The LCD panel includes a non-activated area extending inwardly a predetermined distance from the peripheral edges. A thermal link is provided, made from an anisotropic graphite material, and is in thermal contact with the heat sink and with at least a portion of the non-activated area of said LCD panel.
A carbon fiber centrifugal spinning head includes an interior mechanism that at least partially controls flow of precursor material to exterior holes of the head during spinning.
D01D 5/18 - Formation of filaments, threads, or the like by means of rotating spinnerets
D01F 9/145 - Carbon filamentsApparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues
JPMorgan Chase Bank N.A., as collateral agent (USA)
Inventor
Chen, Chong
Coleman, Philip Dennis
Abstract
A method of processing light fraction tar includes pre-heating the light fraction tar before directing it through a reactor. The reactor has a top and a bottom and a surface spanning between said top and said bottom. A film of the light fraction tar flows down the surface under the force of gravity and with heated gas blowing thereon. The portion of the film that reaches the bottom of the reactor has improved properties making it more widely useful for carbon products.
C10G 3/00 - Production of liquid hydrocarbon mixtures from oxygen-containing organic materials, e.g. fatty oils, fatty acids
C10C 3/02 - Working-up pitch, asphalt, bitumen by chemical means
B01J 10/02 - Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particlesApparatus specially adapted therefor of the thin-film type
B01J 19/00 - Chemical, physical or physico-chemical processes in generalTheir relevant apparatus
B01J 19/24 - Stationary reactors without moving elements inside
A heat exchanger assembly includes a fluid transfer layer and a first external layer. The fluid transfer layer is made from an elastomeric material and the first external layer includes flexible graphite. The fluid transfer layer includes at least one channel and is configured to form a passage for receiving a thermal transfer fluid between the channel and a portion of the first external layer.
A method and system automatically determines when an electrode add event occurs in an electric arc furnace having a plurality of electrode columns, each carried by an electrode positioning system. Data is received correlating to the harmonic distortion of the electrical current output to the plurality of electrode columns. Data is also received correlating to control pressures in the electrode positioning systems. Steady state control pressure data is captured when the harmonic distortion data indicates a steady state condition. An electrode add event is thereafter determined when a pressure spike is identified in the steady state control pressure data.
H05B 7/144 - Power supplies specially adapted for heating by electric dischargeAutomatic control of power, e.g. by positioning of electrodes
H05B 7/20 - Direct heating by arc discharge, i.e. where at least one end of the arc directly acts on the material to be heated, including additional resistance heating by arc current flowing through the material to be heated
F27B 3/28 - Arrangement of controlling, monitoring, alarm or like devices
A graphite crucible for processing silicon includes a bottom wall including a bottom wall interior facing surface. A plurality of side walls extend upwardly from the bottom wall, each side wall including a side wall interior facing surface. A contact point is provided on the side wall to prevent upward movement of the crucible during ingot removal. The side walls have a coefficient of thermal expansion perpendicular to the solidification direction that is less than 95% of the coefficient of thermal expansion of the silicon processed therein. Also, the side walls and the bottom wall have a thru-plane thermal conductivity from about 90 to about 160 W/m. K at room temperature.
A method and system automatically determines when an electrode add event occurs in an electric arc furnace having a plurality of electrode columns, each carried by an electrode positioning system. Data is received correlating to the harmonic distortion of the electrical current output to the plurality of electrode columns. Data is also received correlating to control pressures in the electrode positioning systems. Steady state control pressure data is captured when the harmonic distortion data indicates a steady state condition. An electrode add event is thereafter determined when a pressure spike is identified in the steady state control pressure data.
One use for irradiated graphite after remediation processing is to recycle it into a new graphite artifact. Examples of such artifacts include an electrode to be used for vitrification of radionucleotides, graphite or carbon articles for uranium processing, a moderator for a HTGR, in particularly a Gen IV HTGR, other types of graphite products for nuclear facilities, charcoal filters, silicon carbide applications, etc. Such graphite artifacts can be formed with up to 20 pph of carbon black, the carbon black is formed from vitrified irradiated graphite. Optionally the graphite artifact may be formed from up to 75 pph of pitch.
A battery pack includes a plurality of cell assemblies each of which include one or more prismatic batteries. A frame has legs sized and configured to be positioned around the prismatic batteries. At least one leg includes a rear face, curved outer edge and a side face. A thermal transfer sheet is made from a sheet of a compressed mass of exfoliated graphite particles. Each thermal transfer sheet is positioned to contact the major surface of the at least one prismatic battery and is bent over the curved outer edge. At least a portion of each thermal transfer sheet is secured between a heat sink and the side face.
A battery pack thermal management assembly draws heat from prismatic batteries having opposed major surfaces and arranged in a stacked configuration inside a housing. The thermal management assembly includes a plurality of thermal transfer sheets made from sheets of a compressed mass of exfoliated graphite particles. Each thermal transfer sheet is positioned to contact the major surface of at least one of the prismatic batteries. A cover plate has a top face and a bottom face and includes a plurality of apertures through which the plurality of thermal transfer sheets extend. The apertures include at least one curved sidewall and the thermal transfer sheets are bent over the curved sidewall. At least a portion of each of the thermal transfer sheets is secured between a heat sink and the top face.
A furnace insulation assembly includes a main body having a generally U-shaped cross-section. The main body includes a pair of side walls. A pair of end plates are secured to opposed ends of the main body. The end plates and the main body form an interior chamber. The end plates and side walls are made of a thermal insulation material formed from carbon fibers, said carbon fibers in each end plate and side wall are oriented against-grain direction points inwardly toward the interior chamber.
An improved method of operating an arc furnace is provided. The sidewall of the furnace includes a refractory lining. A charge of scrap metal is added to the furnace. The charge is melted and a slag layer is formed on the top of the melting charge. The furnace is tapped at the bottom to remove a portion of the melted charge. After tapping the furnace, the slag is splashed onto the sidewall to thereby coat the sidewall with a frozen slag layer.
A graphite crucible for processing silicon includes a bottom wall including a bottom wall interior facing surface. A plurality of side walls extend upwardly from the bottom wall, each side wall including a side wall interior facing surface. A protective coating is provided on the bottom wall interior facing surface and the side wall interior facing surface. The side walls have a coefficient of thermal expansion perpendicular to the solidification direction that is less than 95% of the coefficient of thermal expansion of the silicon processed therein. Also, the side walls and the bottom wall have a thru-plane thermal conductivity from about 90 to about 160 W/m•K at room temperature.
A luminaire includes two housing halves, movable relative to each other between an open and closed configuration. The bottom housing half includes disposed therein a substrate which itself carries at least one LED which transmits light through a window in the bottom housing half. A thermal bridge made of at least one layer of anisotropic thermally conductive graphite is in thermal contact with the substrate and the top housing half when the housing is in the closed configuration, but its disengaged from either the substrate or top housing half when the housing is in the open configuration.
A light bulb (10) including an outer housing (12) shaped like a standard Edison light bulb. The interior of the bulb includes a circuit board (24) and one or more LEDs (26). A heat sink (30) is provided inside the bulb housing that draws thermal energy away from the LEDs using graphite based materials.
A method of processing light fraction tar includes pre-heating the light fraction tar before directing it through a reactor. The reactor has a top and a bottom and a surface spanning between said top and said bottom. A film of the light fraction tar flows down the surface under the force of gravity and with heated gas blowing thereon. The portion of the film that reaches the bottom of the reactor has improved properties making it more widely useful for carbon products.
B01J 10/02 - Chemical processes in general for reacting liquid with gaseous media other than in the presence of solid particlesApparatus specially adapted therefor of the thin-film type
B01J 19/24 - Stationary reactors without moving elements inside
C10C 1/19 - Working-up tar by thermal treatment not involving distillation
A battery pack includes a plurality of cylindrical battery cells. Damage caused by thermal energy generated in the battery pack is minimized by a one or more graphite sheets in contact with a portion of each cylindrical battery cell.
A composite heat spreader (10) having an in-plane thermal conductivity of greater than 600 W/m*K and a thickness of greater than 50 microns, the composite heat spreader including a first element (20) which includes at least one sheet of compressed particles of exfoliated graphite having a density of at least about 1.4 grams/cc; and a second element (30) which includes at least one sheet of synthetic graphite having a density of at least 1.8 grams/cc and an in-plane thermal conductivity of at least 700 W/m*K, where the first element and the second element are joined into a composite sheet without the use of adhesives.
A graphite electrode exhibits oxidation resistance by modifying the outer radial surface characteristics. The outer radial surface may be modified by providing a textured portion which improves water flow while minimizing water absorbtion. Alternately, a layer of flexible graphite or plurality of particles of exfoliated graphite may be disposed on the outer radial surface of the electrode body.
A carbon article having a first zone and a second zone wherein in the first zone formed from a first mix design and the second zone formed from a second mix design and the first and second mix designs have at least one difference selected from the group of differences of a presence of a certain material, a concentration of a certain material, the size of the a certain material and combinations thereof.
A lithium ion battery pack includes a plurality of prismatic lithium polymer cells and one or more graphite heat spreaders. Each spreader has at least two major surfaces and is made of one of a sheet of a compressed mass of exfoliated graphite particles, a graphitized polyimide sheet, or combinations thereof.
A reduced puffing needle coke is formed, which includes a reduced nitrogen content within the coke so that the coke particles do not experience as much puffing during the formation of graphitized carbon articles produced from such coke upon heating to graphitization temperatures.
A reduced puffing needle coke is formed from decant oil, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to graphitization temperatures.
A heat exchanger for radiant heating and cooling applications provides a graphite heat spreader attached to a liner. The liner includes a groove, or recess, shaped for accommodating a thermal element. The heat spreader extends into and conforms to the groove. In one embodiment a snap tab is integrally molded on the liner and protrudes into the groove for retaining the thermal element in the groove. In one embodiment the snap tab extends through a clearance void in the heat spreader for engaging the thermal element. Methods of forming a heat exchanger, a heat spreader and a liner are also provided.
A reduced puffing needle coke is formed, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to graphitization temperatures.
A handheld device (10), including a projector module (20) which includes a light source having a laser or at least one light emitting diode; a thermal management system which includes a heat collector (30) formed of a material having a thermo-mechanical design constant of at least 10 mm-W/m*K and having a non-planar shape, the heat collector in thermal contact with the light source; a heat spreader (40) having a surface area at least 1.5 times that of the surface area of the heat collector and a thermo-mechanical design constant of at least 10 mm-W/m*K, the heat spreader positioned in thermal contact with the heat collector, wherein thermo-mechanical design constant of a material is defined by thermal conductivity of the material multiplied by its average thickness.
A light fixture, having a circuit board having first and second major surfaces, at least one light emitting diode mounted on the first major surface of the circuit board, an enclosure formed of a material having two major surfaces and a thermo-mechanical design constant of at least 20 mm-W/m*K and shaped so as to define an opening and a cavity, one of the major surfaces of the material defining the surface of the cavity and the enclosure positioned so as to enclose the second major surface of the circuit board, a heat spreader having a surface area at least twice that of the circuit board and a thermo-mechanical design constant of at least 10 mm-W/m*K, the heat spreader positioned in thermal contact with both the circuit board and the enclosure
A method of forming a graphitic carbon body employs compression and resistance heating of a stock blend of a carbon material and a binder material. During molding of the body, resistance heating is accompanied by application of mechanical pressure to increase the density and carbonization of the resulting preform body. The preform can then be subjected to a graphitization temperature to form a graphite article.
C04B 35/532 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
C04B 35/536 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite based on expanded graphite
75.
METHOD FOR REDUCING TEMPERATURE-CAUSED DEGRADATION IN THE PERFORMANCE OF A DIGITAL READER
A method for reducing temperature-caused degradation of the performance of a digital reader comprising pixels, the method including positioning at least one sheet of compressed particles of exfoliated graphite adjacent to a plurality of the pixels of the digital reader.
G02F 1/167 - Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulatingNon-linear optics for the control of the intensity, phase, polarisation or colour based on translational movement of particles in a fluid under the influence of an applied field characterised by the electro-optical or magneto-optical effect by electrophoresis
G02F 1/133 - Constructional arrangementsOperation of liquid crystal cellsCircuit arrangements
A method for the production of a carbon material from the extraction of coal, comprising forming a mixture of coal, a solvent and a catalyst selected from the group consisting of molybdenum, tin, titanium, zirconium, hafnium, thorium, selenium, tellurium, polonium, iron, cobalt, nickel, ruthenium, rhodium, palladium, osmium, iridium, platinum, the catalytically-active compounds and coordination compounds containing any of the foregoing, and combinations and mixtures thereof.
C10G 1/06 - Production of liquid hydrocarbon mixtures from oil shale, oil-sand, or non-melting solid carbonaceous or similar materials, e.g. wood, coal by destructive hydrogenation
A graphite article having enhanced directional thermal conductivity is provided. The mesophase portions (14) of a mesophase pitch (12) are aligned with each other to create an oriented mesophase pitch which may be stabilized. The article may subject to further carbonization and graphitization as needed.
A graphite-based heat exchanger (100), especially for use as a solar energy receptor as part of the thermal process in a solar power system, including an energy collection panel (112), a heat spreader (116), and a thermal element (114), wherein the heat spreader is formed of flexible graphite having a density of at least about 0.6 g/cc and a thickness of less than about 10 mm, and the heat spreader further has a first side and a second side, wherein the heat spreader is in a thermal transfer relationship with the thermal element, and wherein the energy collection panel includes at least one sheet or block of graphite.
A carbon foam article useful for, inter alia, composite tooling or other high temperature applications, which includes a substrate, wherein the substrate includes at least one material selected from carbon foam, extruded graphite, graphite foam, and isomolded graphite. The tool may also include a skin as a working surface and a filler disposed below the skin. The tool has a surface roughness of no more than about 63 micro-inches. Such a tool may be used to make a composite prototype part.
B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
A heat spreader for an electronic device including a first layer formed of at least one sheet of compressed particles of exfoliated graphite having two major surfaces; and a second layer formed of a metal foil having two major surfaces, a first major surface of the metal foil having surface structures thereon, wherein a first major surface of the graphite layer and a second major surface of the metal foil layer are in thermal connection with each other, the surface structures on the first major surface of the metal foil which create airflow turbulence, increase heat dissipation surface area, or both.
A reduced puffing needle coke is formed, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to graphitization temperatures.
C10G 69/00 - Treatment of hydrocarbon oils by at least one hydrotreatment process and at least one other conversion process
C04B 35/532 - Shaped ceramic products characterised by their compositionCeramic compositionsProcessing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on non-oxides based on carbon, e.g. graphite obtained from carbonaceous particles with or without other non-organic components containing a carbonisable binder
A reduced puffing needle coke is formed from decant oil, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to graphitization temperatures.
A reduced puffing needle coke is formed, which includes a reduced nitrogen content within the coke so that the coke particles do not experience as much puffing during the formation of graphitized carbon articles produced from such coke upon heating to graphitization temperatures.
A reduced puffing needle coke is formed, which includes a reduced nitrogen content within the coke so that the coke particles do not experience as much puffing during the formation of graphitized carbon articles produced from such coke upon heating to graphitization temperatures.
A reduced puffing needle coke is formed, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to graphitization temperatures.
A reduced puffing needle coke is formed from decant oil, which includes a lesser amount of nitrogen within the coke so that carbon articles produced from such coke experience minimal expansion upon heating to graphitization temperatures.
A high coking value pitch prepared from coal tar distillate and has a low softening point and a high carbon value while containing substantially no quinoline insolubles is disclosed. The pitch can be used as an impregnant or binder for producing carbon and graphite articles.
A high coking value pitch prepared from coal tar distillate and has a low softening point and a high carbon value while containing substantially no quinoline insolubles is disclosed. The pitch can be used as an impregnant or binder for producing carbon and graphite articles.
A heat exchanger system, especially for a room, including a thermal element comprising a surface; a heat spreader comprising at least one sheet of compressed particles of exfoliated graphite having a density of at least about 0.6 g/cc and a thickness of less than about 10 mm, and further comprising a first side and a second side, wherein the heat spreader is positioned relative to the thermal element such that the heat spreader is at least partially wrapped around the thermal element so that the first side of the heat spreader is in a thermal transfer relationship with a portion of the thermal element surface.
A carbon foam article useful for, inter alia, composite tooling or other high temperature applications, which includes a carbon foam substrate, an intermediate material on a surface of the carbon foam substrate, and a tool facing material on an outer surface of the article such that the intermediate material is positioned between the tool facing material and the carbon foam substrate.
B32B 9/00 - Layered products essentially comprising a particular substance not covered by groups
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
92.
ELECTRODE ROBOT FOR ADDING ELECTRODES HAVING THREADED CONNECTORS OF VARIOUS THREAD PITCHES
A device for adding graphite electrodes onto an electrode column is provided. This device, also known as an electrode robot, includes an engagement mechanism capable of being easily adapted to a plurality of thread pitches so that the device can add different electrodes having threaded connectors of different thread pitches.
An article for tooling composite materials, including a carbon foam, a sealant attached to the carbon foam so as to form a monolithic fine-grain graphite-like surface; and a skin of face sheet materials. The face sheet materials include: a spray-deposited coating of metal; more preferably, a thermal or plasma spray-deposited metal; and most preferably, a plasma sprayed Invar metal. The face sheet materials may optionally include a flash coating. The face sheet materials alternately include plastics, resinous materials and carbon-carbon composite materials.
B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
94.
PROCESS FOR THE PRODUCTION OF HIGHLY GRAPHITIZABLE CARBON FOAM
A highly graphitizable carbon foam useful for, inter alia, battery components or high temperature applications, which includes a carbon foam produced from conventional mesophase pitch and a cross-linking agent like sulfur.
A carbon foam composite including a carbon foam skeleton having a supplemental material therein, the composite useful for, inter alia, a variety of applications including applications requiring durability and water resistance. Also included is a method for making such carbon foam composite materials.
An embodiment disclosed herein includes a monolithic graphite electrode. The electrode has a main body having a length of more than 3050 mm. Another embodiment disclosed herein includes an electrode column comprising a plurality of monolithic graphite electrodes. The column has a length of more than 3050 mm of electrode per joint. A further embodiment discussed herein is the practice of increasing the length of the electrode to minimize the occurrence of an electrode joint in the electrode column for a given length. This practice will improve efficiencies for both electrode manufacturers as well as electric arc furnace operators.
A graphitizable carbon foam having enhanced directional thermal conductivity is provided. The mesophase portions of a mesophase pitch are aligned with each other to create an oriented mesophase pitch, which is then foamed to provide an oriented pitch foam. The pitch foam can be heated to carbonize the pitch thereby forming an oriented carbon foam. The carbon foam can be further heated to provide an oriented graphite foam.
A method for preparing resin-impregnated graphite articles, including providing a sheet of compressed particles of exfoliated graphite having two major surfaces; impregnating the sheet with a first resin system to form a resin-impregnated sheet; surface treating the resin-impregnated sheet to form at least one structure on at least one of the major surfaces of the sheet to form a surface treated sheet; and treating the sheet with a second resin system.
B32B 9/04 - Layered products essentially comprising a particular substance not covered by groups comprising such substance as the main or only constituent of a layer, next to another layer of a specific substance
A system is provided for recording information relating to the condition of electrodes in an electric arc furnace. An imaging apparatus is provided in a consistent position relative to an imaging station. Periodically, the electrode columns are removed from the furnace and moved to a position such that the electrode column is placed at the imaging station. Then an image of the electrode column is created with the imaging apparatus, and the images are stored in a memory of a computer for subsequent analysis.
G05B 21/00 - Systems involving sampling of the variable controlled
G06F 19/00 - Digital computing or data processing equipment or methods, specially adapted for specific applications (specially adapted for specific functions G06F 17/00;data processing systems or methods specially adapted for administrative, commercial, financial, managerial, supervisory or forecasting purposes G06Q;healthcare informatics G16H)
A composite panel, which includes a heat spreading layer and a carbon foam core having desirable fire retardant properties, and resistance to environmental stress. The composite panel can also include a first layer and a second layer bound to a first surface and second surface of the carbon foam core. Applications of the panel include structural and fire retardant elements of residential and commercial buildings, aircraft and watercraft.
B32B 3/00 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form
B32B 3/26 - Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layerLayered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shapeLayered products comprising a layer having particular features of form characterised by a layer with cavities or internal voids
