Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 5,325

Document Document Title
WO/2021/084566A1
Converter device configured to convert direct voltage and current into alternating voltage and current to be supplied to a load (L). The converter device comprises a bank (11) of capacitors (12), a plurality of power semiconductors (13),...  
WO/2021/078614A1
The present invention relates to a method for producing hydrogen, which method is characterized in that: in a first stage, hydrocarbons are decomposed into solid carbon and a hydrogen-containing gaseous product mixture; the hydrogen-cont...  
WO/2021/061040A1
The disclosure relates to a method (300) for controlling and monitoring an active power filter device, comprising the steps of: measuring (301) current and previous states of current and voltage signals across at least a part of a power ...  
WO/2021/045173A1
Provided is a self-baking electrode which can be used as an electrode in an electric furnace used to produce low-carbon ferro-chromium. The self-baking electrode (10) is formed by filling a cylindrical case (11) with an electrode paste (...  
WO/2021/012969A1
The present invention relates to the technical field of electric arc heating and, specifically, relates to an electric arc heating method and an apparatus, for use in heating a substrate formed by compressing and/or sintering a powder. T...  
WO/2020/259900A1
A power supply system (12) for an electric arc furnace (10) comprises an AC input (20) connectable to an electrical grid (22) and an AC output (24) for supplying at least one power electrode (14) of the arc furnace (10). The power supply...  
WO/2020/259907A1
A power supply system (12) for an electric arc furnace (10) comprises an AC input (20) connectable to an electrical grid (22) and an AC output (24) for supplying at least one power electrode (14) of the arc furnace (10); a resonant circu...  
WO/2020/229408A1
The invention relates to an electrode-feed device feeding electrodes to a plasma torch installation, comprising an element (3) for securing an active electrode (6), able to move in translation along a longitudinal axis of the active elec...  
WO/2020/183093A1
The present invention relates to a self-baking electrode (1) for an electric arc furnace (9) comprising a shell (2) and a central column (3) comprising a series of elongate flexible carbonaceous elements (4). The invention also relates t...  
WO/2020/113336A1
A method and system for stabilizing electrical power for arc furnaces and their power supplies. The method comprises causing a load to absorb power in response to determining a loss of arc event of an arc furnace electrode. After the ele...  
WO/2020/081155A1
A method for forming a protective antioxidative barrier on the furnace electrodes using a chemically altered cooling liquid containing an antioxidant additive. This method can be applied to electrodes used in electric arc furnaces and la...  
WO/2020/081559A1
A method for cooling furnace electrodes using a cooling liquid containing surfactants. This method can be applied to electrodes used in electric arc furnaces and ladle metallurgy furnaces. The method can involve spraying the cooling liqu...  
WO/2020/064280A1
The invention relates to a method for operating an electric arc furnace 00 having at least one electrode 104, the method comprising the following steps: introducing material that is to be melted in the form of an actual mass flow into th...  
WO/2020/050603A1
The present invention relates to a carbon felt heating device and a method for manufacturing same and, more particularly, to a carbon felt heating device and a method for manufacturing same, wherein a carbon felt is inserted between a pa...  
WO/2020/018870A1
A mounting assembly for mechanical and electrical engagement of a powered module includes a stem having a base operably coupled to the powered module and a distal end distal the base, a first electrode arm extending perpendicularly from ...  
WO/2020/016186A1
The present invention relates to a blend composition comprising a mixture of petroleum coke and pyrolytic carbon; an electrode recipe and the use of this electrode as an anode in the pro- cess of producing aluminum.  
WO/2020/015069A1
The present application relates to the field of electric heating technology, and in particular relates to an electric heating device and an electric flame stove. The electric heating device of the present application may break down exter...  
WO/2020/007946A1
A cooking device for frying food in a microwave oven, the cooking device comprising a low pressure gas chamber; a plasma igniting means configured to ignite plasma within the low pressure gas chamber when supplied with microwave radiatio...  
WO/2020/005224A1
A receiver design is provided to address blocker signals not known a priori. The blocker signals may cause a spurious frequency response when downconverted with a particular harmonic of the local oscillator or at unwanted sidebands, and ...  
WO/2019/233955A1
The invention relates to a device for a self-baking electrode, comprising an electrode (1) which has at least three zones, a first zone (4) with an uncoked carbon-containing compound, a second zone (5) which adjoins the first zone (4) an...  
WO/2019/233549A1
The invention relates to a device for a self-baking electrode, comprising an electrode (1) which has at least three zones, a first zone (4) with an uncoked carbon-containing compound, a second zone (5) which adjoins the first zone (4) an...  
WO/2019/207611A1
Electric power method for an electric arc furnace (11), which provides to regulate the electric power frequency (fa) of a power voltage (Ua) and a power current (la) of the electrodes, independently from the mains frequency (fr).  
WO/2019/209989A1
A heated composite structure and a method for forming a heated composite structure. The structure includes carbon fibers embedded within a thermoplastic matrix. The carbon fibers are connected with first and second electrodes that are co...  
WO/2019/207609A1
Melting method comprising a step of loading solid metal material (M) into an electric furnace (11), a step of generating an electric arc between at least one electrode (13) and the metal material (M), a step of perforating the metal mate...  
WO/2019/170941A1
The present invention relates to a new type of central column for composite self-baking electrodes in submerged electric arc furnaces. According to the invention, a metallic center or column is used as a central support element, compared...  
WO/2019/158419A1
The invention relates to a remelting plant comprising a furnace chamber (50), which can be positioned over a crucible (60) of a melting station, an electrode rod (48), which by way of a lead-through (52) can be inserted or is inserted in...  
WO/2019/121921A1
A process for refining a nitrogen-containing metal alloy using arc remelting of a consumable electrode in a furnace, comprising: - providing a consumable electrode of the metal alloy; - providing a second electrode; - providing a control...  
WO/2019/095070A1
Conditioning systems and methods for providing cooling to a heat load can include an evaporative cooler arranged in a scavenger plenum with a recovery coil downstream of the evaporative cooler. The conditioning systems can operate in var...  
WO/2019/091994A1
Melting furnace (1), in particular for producing metal alloys by melting alloying constituents, comprising a melting crucible (10), a cylindrical electrode rod (40) with a consumable electrode (41) attached thereto and a power supply (50...  
WO/2019/084674A1
A configuration of switches added to a line control circuit allows for switching back and forth between a configuration featuring a series-connected thyristor switch and reactor and a configuration featuring a parallel-connected thyristo...  
WO/2019/079463A1
A vacuum arc remelting system for forming an ingot from an electrode is provided that includes a crucible assembly configured to accommodate the electrode and the ingot, an electromagnetic energy source arranged about the crucible assemb...  
WO/2019/071335A1
An apparatus for the gasification and vitrification of waste comprises a p!asma arc furnace provided with two movable graphite electrodes. The furnace includes an air-cooled bottom electrode adapted for transferring the current through a...  
WO/2019/064320A1
Apparatus for melting metal material comprising a container (11) for metal material, by way of example, but not limited to, metal scrap, DRI, cast iron, supplied in an electric arc-type melting furnace, and a plurality of electrodes (18,...  
WO/2019/040715A1
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 tag...  
WO/2018/233833A1
The present invention relates to a method for operating an electric-arc furnace, EAF. The method comprises converting, in a power electronic converter, a grid frequency to an operating frequency for an EAF, controlling, in the power elec...  
WO/2018/176119A1
A system measures parameters of the electricity drawn by an arc furnace and, based on an analysis of the parameters, provides indicators of whether arc coverage has been optimized. Factors related to optimization of arc coverage include ...  
WO/2018/164654A1
The present invention discloses a method of plasma-arc heating and pyrolysis for wastes of complex substances, including substances from high molecular compounds, comprising the following steps: providing a voltage and establishing a dir...  
WO/2018/154173A1
An electrode slipping device (1) comprises an upper holder ring (2) and a lower holder ring (3) having one or more clamping assemblies including a clamping shoe (4) and a clamping device(5). The clamping shoe (4) is operable between a cl...  
WO/2018/145960A1
A control device (14) for an arc furnace (12) comprises an arc furnace control module (32) for controlling the arc furnace (12) and a flicker module (30) for determining a flicker value (36a, 36b, 36c) in a grid (28) supplying the arc fu...  
WO/2018/091762A1
Described is method for controlling a geometric form of an electric arc between a top electrode assembly (1) and a bottom electrode assembly (2) in a furnace space (3) of an electric arc furnace and an electric arc furnace comprising a f...  
WO/2018/058070A1
Multiple magnetic field sensors are arranged around a current-containing volume at multiple longitudinal and circumferential positions. Each sensor measures multiple magnetic field components and is characterized by one or more calibrati...  
WO/2018/055210A1
The invention relates to a joining method for connecting at least one first component (1) to a second component (2) without pre-punching, wherein the first component and the second component are positioned relative to one another prior t...  
WO/2018/051494A1
This heating device is provided with a heater, an electron reflection plate, a filament disposed between the heater and the electron reflection plate, a heating power source for feeding an AC voltage between a first terminal and a second...  
WO/2018/050332A1
An electrical arrangement for an electric arc furnace (1) operated with alternating current has a converter (2) which converts mains voltage (U), having a mains frequency (f), of a supply grid (3) into primary voltage (U') having a furna...  
WO/2017/220726A1
The invention relates to an electric reduction device with an electric reduction furnace (100) for preparing feedstock and with at least one transformer (200) for providing a three-phase supply voltage (R, S, T). In an elongated furnace ...  
WO/2017/209419A1
The present invention provides a novel high-entropy alloy and, specifically, provides a high-entropy alloy comprising a body-centric cubic crystal structure, wherein the body-centric cubic crystal structure comprises, as main elements, A...  
WO/2017/206700A1
A circular electric furnace, and electrode arrangement structure thereof. The electrode arrangement structure of the circular electric furnace comprises: 2n electrodes (11-16) and n single-phase transformers (40) each including two outpu...  
WO/2017/182902A1
The invention relates to an arc smelting system 10 and a method of monitoring, or obtaining an indication of, a length of an electrode of the arc smelting system 10. The system 10 includes at least one electrode; a current measuring arra...  
WO/2017/167859A1
The present invention relates to a self-calcining electrode material for electric arc furnaces, containing one or more carbon components and a binder, wherein the binder is hard bitumen and having a needle penetration at 25°C according ...  
WO/2017/125645A1
The invention relates to a method for operating an electrode equipment assembly (1) of an electric arc furnace (2) and to an electrode equipment assembly (1) of an electric arc furnace (2). The electrode equipment assembly (1) comprises ...  

Matches 1 - 50 out of 5,325