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8168915 |
Cutting torch splatter and glare guard
A cutting torch splatter and glare guard includes a collar that is structured for releasable engagement with a cutting torch. The collar has first and second collar portions that are biased towards...
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8148661 |
Highly ordered structure pyrolitic graphite or carbon-carbon composite cathodes for plasma generation in carbon containing gases
A DC plasma torch which includes a long lasting thermionic cathode and has a high thermal efficiency. The DC plasma torch employs a solid cathode made of graphite with highly ordered structure such...
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8129654 |
DC arc plasmatron and method of using the same
The present invention relates to a plasmatron structure for heating working gas in a DC arc discharge at the atmospheric or lowered pressures and can be used for different electronic, engineering,...
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8128783 |
Plasma generator and work processing apparatus provided with the same
A plasma generator is provided which includes: a microwave generation portion which generates a microwave; a wave guide for propagating the microwave; a plurality of plasma generation nozzles which...
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8097828 |
Dielectric devices for a plasma arc torch
Apparatus and methods for thermally processing a workpiece include directing a plasma arc to the workpiece and using a dielectric shield or dielectric coating to protect a forward portion (e.g., a...
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8089025 |
Gas-cooled plasma arc cutting torch
A method and apparatus for a gas-cooled plasma arc torch. Components of the torch can include an electrode, nozzle and a shield, each of which can be gas-cooled. The nozzle can be disposed relative...
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8080759 |
Multi-electrode plasma system and method for thermal spraying
A plasma apparatus is provided including a cathode module, an anode module, and at least one inter-electrode insert located between the cathode module and the anode module. The cathode module...
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8035057 |
Microwave plasma nozzle with enhanced plume stability and heating efficiency
Systems and methods for generating microwave plasma are disclosed. The present invention provides a microwave plasma nozzle (26) that includes a gas flow tube (40), and a rod-shaped conductor (34)...
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8030592 |
Apparatus and method for applying antifoulants to marine vessels
A plasma spray apparatus in the form of a gun is utilized to apply an antifoulant coating to marine vessels. The apparatus includes a plasma generator, an electrophoresis element, a heating...
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7976672 |
Plasma generation apparatus and work processing apparatus
A plasma generation apparatus is provided which includes: a microwave generation portion which generates a microwave; a gas supply portion which supplies a gas to be turned into plasma; a plasma...
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7977599 |
Erosion resistant torch
An erosion resistant torch for use in a solid free form fabrication system for manufacturing a component from successive layers of metal feedstock material. The erosion resistant torch includes a...
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7973262 |
Powerplant and method using a triple helical vortex reactor
A powerplant and method for production and use of synthesis gas from a hydrocarbon fuel is disclosed in a combination of a triple helical flow vortex reactor (100) and a power producer (510). The...
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7935909 |
Hybrid shield device for a plasma arc torch
Methods and devices for controlling the flow of gases through a plasma arc torch are provided. A flow of plasma gas is directed to a plasma chamber, a first flow of auxiliary gas is directed around...
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7921804 |
Plasma generating nozzle having impedance control mechanism
The present invention provides a plasma generating system that includes: a microwave generator for generating microwave energy; a power supply connected to the microwave generator for providing...
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7875825 |
Plasma generating equipment
A method for generating plasma and a method for elemental analysis, each comprising the steps of providing a narrow portion in a flow channel made of an insulation material, the narrow portion...
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7842898 |
Variable orifice torch
A variable orifice torch for use in a solid free form fabrication system for manufacturing a component from successive layers of metal feedstock material. The variable orifice torch includes a...
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7829816 |
Plasma arc torch providing angular shield flow injection
Plasma arc torches described herein include a torch tip with an improved nozzle that provides angular shield flow injection. In particular, the nozzle provides angular/conical impingement of a...
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7793612 |
Ring plasma jet method and apparatus for making an optical fiber preform
A method and apparatus for making an optical fiber preform, including injecting a plasma gas source into the first end of a tubular member; generating a ring plasma flame with the plasma gas source...
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7759599 |
Interchangeable plasma nozzle interface
The present invention provides a standard interface for providing mechanical location, mechanical orientation, electrical connections, and water chamber seals for the exchange of a variety of...
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7759600 |
Rupture resistant plasma tube
A system for producing plasma tubes that can withstand a wide variety of physical and environmental stressors within a plasma processing system is disclosed. Within such a plasma processing system,...
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7754996 |
Method and apparatus for alignment of components of a plasma arc torch
A coolant tube and electrode are adapted to mate with each other to align the tube relative to the electrode during operation of the torch. Improved alignment ensures an adequate flow of coolant...
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7750265 |
Multi-electrode plasma system and method for thermal spraying
A plasma apparatus is provided including a cathode module, an anode module, and at least one inter-electrode insert located between the cathode module and the anode module. The cathode module...
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7737383 |
Contoured shield orifice for a plasma arc torch
A component for use in a plasma arc torch is provided that includes a continuously contoured surface extending along the component that directs a flow of shield gas at a predetermined angle to...
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7687979 |
Electric lamp/reflector unit employing a ceramic insert
The invention provides a new PAR 38 lamp/reflector unit comprising a halogen lamp of suitable power, i.e. 100 watts/120 volts, coated with infrared film to reflect infrared energy produced by the...
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7683342 |
Plasma source
A plasma source, particularly for disinfection of wounds, comprising: an ionization chamber having an inlet for introducing a gas into the ionization chamber and further having an outlet for...
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7644872 |
Powder port blow-off for thermal spray processes
A powder port blow-off system for a plasma spray process includes a faceplate that includes a bore therein that is co-radially aligned with a nozzle of a plasma spray gun, which emits a plasma...
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7633231 |
Harmonic cold plasma device and associated methods
A device for generating atmospheric pressure cold plasma inside a hand-held unit discharges cold plasma with simultaneously different rf wavelengths and their harmonics. The device includes an rf...
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7615719 |
Autonomous plasma cutting system
A portable plasma arc torch system can be used for processing materials. The system includes a replaceable or rechargeable power source and replaceable or rechargeable gas source. A controller...
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7608797 |
High velocity thermal spray apparatus
A thermal spray apparatus is provided for thermal spraying a coating onto a substrate. The apparatus include a heating module for providing a stream of heated gas. The heating module is coupled to...
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7605340 |
Apparatus for cooling plasma arc torch nozzles
The invention relates to a nozzle for a plasma arc torch and methods of manufacturing the nozzle. The nozzle includes a nozzle body and a nozzle liner. The nozzle body has a cylindrical portion and...
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7598473 |
Generating discrete gas jets in plasma arc torch applications
The invention is generally directed to a nozzle for a plasma torch, the nozzle having a rear portion that defines at least a portion of a plasma chamber and a front portion that includes a first...
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7572998 |
Method and device for creating a micro plasma jet
A microhollow cathode discharge assembly capable of generating a low temperature, atmospheric pressure plasma micro jet is disclosed. The microhollow assembly has at two electrodes: an anode and a...
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7557324 |
Backstream-preventing thermal spraying device
A thermal spraying method and device that includes a device (1,2) which generates a flame and a device (3) which injects a powder into the flame. The flame-generating device (1,2) includes an end...
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7547861 |
Vortex generator for plasma treatment
A vortex generator uses a single piece to generate the vortex and hold the electrode. The single piece may be a non-conductive material such as a ceramic. The vortex generator may use threads to...
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7454262 |
Arrangement and method for production of a three dimensional object
Arrangement for producing a three-dimensional product, which arrangement comprises a work table on which said three-dimensional product is to be built up, a powder dispenser which is arranged so as...
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7435925 |
Plasma arc torch
A plasma torch is provided having a movable member carrying an electrode and movable along a tubular member bore having a nozzle at one end. A piston member engaged with the movable member moves...
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7429714 |
Modular ICP torch assembly
A modular inductively coupled plasma torch assembly is described. A rear connector unit is positioned and detachably held at a rear end of a tubular plasma chamber to provide a flow of material...
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7429715 |
Modular plasma arc torch
A modular plasma arc torch is provided that comprises a torch head and a torch lead, and a quick disconnect that is operatively engaged between the torch head and the torch lead. Accordingly, the...
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7423234 |
Process for the surface treatment of an article containing silicone crosslinked by polyaddition
A process for increasing the surface tension (“wettability”) of a silicone element crosslinked by polyaddition from a liquid composition containing one or more α,ω...
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7381363 |
Plasma processing apparatus for powder and plasma processing method for powder
A plasma processing apparatus for powder, and a plasma processing method of powder, in which a powder supply nozzle is provided to supply a powder material into plasma flame generated inside a...
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7375301 |
Modular anode support member for plasma spray gun
The present invention provides a modular anode support member for a plasma spray gun including an outer sleeve, an inner sleeve, and a coolant tube connectable to the outer sleeve. The outer sleeve...
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7342197 |
Plasma torch with corrosive protected collimator
To protect the collimator of a transferred plasma arc torch from premature failure due to corrosion, an anti-corrosive covering is applied on the exposed face surface and a portion of the inner...
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7335850 |
Plasma jet electrode device and system thereof
A plasma jet electrode device includes an orientation base, a ceramic pipe, a round plate having a plurality of tilted through holes thereon and a high-voltage metal electrode. A dielectric...
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7326874 |
Vented shield system for a plasma arc torch
Vented shield systems for plasma arc torches are provided that comprise a shield cup body defining a distal end portion, a vented retainer secured to the distal end portion of the shield cup body,...
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7297893 |
Plasma arc collimator design and construction
An improved collimator for a plasma arc torch consists of an annular holder member and an insert member. The insert member includes a tubular stem portion ending in an integrally formed, radially...
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7256366 |
Plasma arc torch, and methods of assembling and disassembling a plasma arc torch
A plasma arc torch and methods for assembling and disassembling a plasma arc torch wherein a plurality of front end parts of the torch form a unit that is removable from the torch in a single...
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7230203 |
Protective cap for a contact pipe in a welding torch in addition to a welding torch equipped with said cap
The invention relates to a protective cap for at least one contact pipe of a welding torch, the pipe or pipes having a respective bore for guiding and contacting a respective welding rod that is...
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7217903 |
Method for purifying gas using plasma discharge
A method is provided for purifying gases, particularly gases contaminated by environmentally harmful substances, by way of plasma discharge. The gas to be purified is guided through a thermal...
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7193174 |
Method and apparatus for alignment of components of a plasma arc torch
A coolant tube and electrode are adapted to mate with each other to align the tube relative to the electrode during operation of the torch. Improved alignment ensures an adequate flow of coolant...
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7183515 |
Systems and methods for plasma jets
A plasma jet system includes a housing with an opening. A plasma generator is coupled to ionize a fluid in the housing. An electromagnetic accelerator is coupled to generate an electric field that...
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