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Patent Searching and Data


Matches 401 - 450 out of 8,787

Document Document Title
WO/2003/095090A1
A system and method of carburizing a surface region of an object includes subjecting a gas to electromagnetic radiation, generated from a radiation source (52), in the presence of a plasma catalyst (70) to initiate a plasma containing ca...  
WO/2003/095089A1
Methods and apparatus are provided for igniting, modulating, and sustaining a plasma for synthesizing carbon structures. In one embodiment, a method is provided for synthesizing a carbon structure including forming a plasma by subjecting...  
WO/2003/095058A2
Methods and apparatus for plasma-assisted processing of multiple parts are provided. Multi-part processing may include, for example, placing a plurality of parts (11) to be processed in or near a plurality of sub-regions of a cavity (12)...  
WO/2003/096369A1
Methods and apparatus are provided for plasma-assisted gas production. In one embodiment, a gas, which includes at least one atomic or molecular species, can flow into a cavity (305). The gas can be subjected to electromagnetic radiation...  
WO/2003/096771A1
Plasma-assisted methods and apparatus that use multiple radiation sources are provided. In one embodiment, a plasma is ignited by subjecting a gas in a processing cavity to electromagnetic radiation having a frequency less than about 333...  
WO/2003/095591A1
Methods and apparatus are provided for igniting, modulating, and sustaining a plasma for various doping processes. In one embodiment, a substrate (250) can be doped by forming a plasma (610) in a cavity (285) by subjecting a gas to an am...  
WO/2003/096749A1
Methods and apparatus for plasma-assisted heat treatments are provided. The method can include initiating a heat treating plasma within a cavity (14) by subjecting a gas to electromagnetic radiation in the presence of a plasma catalyst (...  
WO/2003/096381A2
Methods and apparatus are provided for plasma-assisted processing multiple work pieces in a manufacturing line. In one embodiment, the method can include placing the work pieces (320) in movable carriers, moving the carriers on a conveyo...  
WO/2003/096370A1
Methods and apparatus are provided for igniting, modulating, sustaining, and using plasmas and plasma jets. One method can include flowing a first gas into a cavity (355), forming a plasma (357) in the cavity (355) by subjecting the gas ...  
WO/2003/096772A1
Methods and apparatus are provided for igniting, modulating, and sustaining a plasma for at least partially decrystallizing a surface of an object. In one embodiment, a method is provided for decrystallizing a surface of an object by for...  
WO/2003/096773A1
Methods and apparatus for plasma-assisted joining of one or more parts together are provided. The joining process may include, for example, placing at least first and second joining areas in proximity to one another in a cavity, forming ...  
WO/2003/096382A2
Apparatus and methods for plasma-process control are provided. One method relates to determining a physical condition of at least one object in a cavity (12) containing gas, where sufficient electromagnetic radiation is directed into the...  
WO/2003/095130A1
Methods and systems for plasma-assisted sintering are provided. The method can include initiating a sintering plasma within a cavity (12) by subjecting a gas to radiation in the presence of a plasma catalyst and exposing at least a porti...  
WO/2003/089862A1
The invention relates to electric-arc plasma reactors for producing the melt of refractory, metallic and non-metallic materials and sublimates which have a high viscosity degree and can be used for the cement and chemical industries and ...  
WO/2003/089864A1
An induction furnace wherein a susceptor made from an alloy comprising niobium, hafnium and titanium is positioned within the induction coil of the furnace. Such a suspector can withstand prolonged use in an induction furnace, at high te...  
WO/2003/087689A1
An induction furnace capable of operation at temperatures of over 3100°C has a cooling assembly (60), which is selectively mounted to an upper end of the furnace wall (76). The cooling assembly includes a dome (62), which is actively co...  
WO/2003/084883A1
The invention concerns a method for waste combustion and vitrification wherein at least one plasma jet is associated with a high frequency continuous direct induction melting device (4). The crucible consists of a continuous outer shell ...  
WO/2003/085343A1
Pulsed processing methods and systems for heating objects such as semiconductor substrates feature process control for multi-pulse processing of a single substrate, or single or multi-pulse processing of different substrates having diffe...  
WO/2003/084884A1
An electric furnace (1) for melting vitrifiable materials (V), in particular for the manufacture of vitreous mosaic materials and ceramic frits as well as for the vitrification of waste, where the primary material is frequently changed, ...  
WO/2003/078910A1
An electric heater includes a metal line heating element (12) mounted on an inner circumferential surface of a cylindrical main adiabatic body (11). The heating element (12) consists of a plurality of resistance heating blocks (61 to 64,...  
WO/2003/066913A1
A method of heating molten aluminium flowing in a heated trough member comprising the steps of providing a source of molten aluminium and providing a trough member comprised of a first side (14) and a second side (18), the first and the ...  
WO/2003/067166A2
The invention concerns a core-type furnace whereof vertical sectors (20) of a crucible lateral wall are assembled at a position adjustable and invariable by screws (36) engaged in internal threads of a flange (34) common to all the secto...  
WO/2003/062727A1
A resistance furnace known per se comprises a tubular heating element (2) with a vertical longitudinal axis (3), said element having a lateral surface that is delimited by an upper and lower side and surrounding a furnace chamber. The el...  
WO/2003/060409A1
A furnace (100) which heat treats substrates (132) including a heating section (102) and working components. The heating section (102) includes heating coils (142) having spacers (143) disposed within the heating coils (142) where a mass...  
WO/2003/056877A1
The invention relates to an arrangement for mounting electric heating elements in a furnace in which objects are intended to be heated, wherein the furnace wall includes a furnace insulation (4) comprised of high grade brick, and wherein...  
WO/2003/047792A1
The invention relates to a device consisting of a casting vessel (1) having a heatable, refractory lining and an outer metal jacket for receiving molten metal material, especially aluminum molten materials, and a ladle furnace (2) with a...  
WO2002095921A3
An induction furnace 10 is provided with a bottom induction coil 30 to melt, heat and/or stir an electrically conductive material placed in the furnace 10. The furnace 10 is particularly useful for electrically conductive materials havin...  
WO/2003/042616A1
A method and apparatus for melting metals uses microwave energy as the primary source of heat. The metal or mixture of metals is placed in a ceramic crucible (10) which couples, at least partially, with the microwaves to be used. The cru...  
WO/2003/038361A1
A process for vitrifying contaminated waste material (30) includes providing a container (10) including an insulating lining (16), placing the waste material (30) in the lined container (10), subjecting the material (30) to an electric c...  
WO/2003/031355A1
The invention concerns a method and a device for rapid melting of glasses, in particular aggressive and/or hard high purity glasses, in a crucible with cooled crust (1). According to said method, high frequency energy is injected into th...  
WO/2003/031332A1
The invention relates to an apparatus for continuous slag treatment of molten silicon for removal of one a more impurity elements from the silicon, the apparatus comprising a vessel (1) intended to contain molten silicon and liquid slag....  
WO/2003/029742A1
An electrostatic levitation furnace, wherein three sets of electrodes opposed to each other on three axes orthogonal to each other around the levitated position of a specimen are installed in a vacuum chamber, and an access port directed...  
WO/2003/026745A1
A method for rendering polychlorinated biphenyl harmless, which comprises feeding a liquid containing polychlorinated biphenyl and a mixture of an aluminum oxide and silicon dioxide to an ultrasonic emulsifier (2), conducting an emulsifi...  
WO/2003/022005A1
An arc furnace that utilizes a combined DC arc system and an AC joule heating system to melt the waste disposed therein and to keep the waste material in a molten condition. The DC arc system utilizes the AC joule heating electrodes as p...  
WO/2003/019984A1
The invention relates to a cold crucible which is cooled in an effective manner by means of a system that does not hinder access to the inside of the crucible or the installation and upkeep of the different elements. The inventive crucib...  
WO2002041370A3
A resistive heater comprising a doped ceramic heating element embedded either partially or completely within a matrix of undoped ceramic material. The ceramic may be silicon carbide, and the dopant may be nitrogen. Many of the advantages...  
WO/2003/005771A1
The invention relates to a high-temperature heating device (1) comprising at least one heating element (2) and electrical leads (20, 21) which are used to power the heating element(s) (2). The invention is characterised in that the devic...  
WO/2002/100982A1
A pyrolysis heater has the inlet sections of the process coils grouped together and the outlet sections of these same process coils also grouped together. High heat liberation hearth burners are located adjacent to the inlet sections of ...  
WO/2002/095921A2
An induction furnace (10) is provided with a bottom induction coil (30) to melt, heat and&sol or stir an electrically conductive material placed in the furnace (10). The furnace (10) is particularly useful for electrically conductive mat...  
WO2002071811A3
An electrode seal for an electric arc furnace comprises an annular support ring having an internal diameter substantially greater than the diameter of the electrode, and which is secured to the furnace roof by a plurality of mounting fee...  
WO/2002/081969A1
A microwave-supplying magnetron and an ion burner are provided in an incinerator body, microwaves from the magnetron and ion flame from the ion burner are resonated with each other to heat the inside of the incinerator body to high tempe...  
WO/2002/080621A1
The present invention is for an arrangement at installation of electrical resistance elements having high operating temperatures. The arrangement comprises at least one element having a glow zone (3) and support and distance means (1, 2)...  
WO/2002/080622A1
A heat insulating board of an induction heating apparatus disposed inside an induction heating coil and shielding a radiant heat from a heated material fed through the inside of the induction heating coil, comprising a cooling tube forme...  
WO2002054831A3
An induction furnace system has an active induction coil surrounding a crucible. A passive induction coil also surrounds the crucible. The passive induction coil is connected in parallel with a capacitor to form an L-C tank circuit. A so...  
WO2002045516A3
RF energy provided by electrodes (15,20a,20b) positioned between a product (34) in a conveyor oven (10) is used to heat a product (34) that exhibits a variable impedance during the heating process. As the product's impedance changes duri...  
WO/2002/071809A1
Molten metal, or other electrically conductive material, in a vessel can be inductively heated, and simultaneously inductively stirred. A single-phase ac supply provides induction heating power to at least one set of three induction coil...  
WO/2002/070412A1
A waste processing apparatus for processing a column of waste in a processing chamber having one or more gas outlets at an upper part thereof and one or more plasma torches an output end thereof extending into a lower part of the chamber...  
WO/2002/071811A2
An electrode seal for an electric arc furnace comprises an annular support ring having an internal diameter substantially greater than the diameter of the electrode, and which is secured to the furnace roof by a plurality of mounting fee...  
WO2002029322A3
A plurality of fluxing agent inlets (320) are provided at the lower part of a waste processing chamber (10) to enable the direct application of fluxing agents to deposited "unprocessed solids" and/or to liquid products of high viscosity ...  
WO2001099473A8
An induction-heated furnace is disclosed. The furnace comprises a shell lined with refractory material and has walls and a floor. At least one induction heater is located in the floor of the furnace, the induction heater communicating wi...  

Matches 401 - 450 out of 8,787