Patents in subclass Electric Heating/Arc Positioning
Parent class: Electric Heating
| Number | Patent title | Issue Date |
|---|---|---|
| 07138600 | Automatic pulse plasma welding method and apparatus for forming lap joint between membrane sheets Disclosed herein is an automatic pulse plasma welding method and apparatus for forming a lap joint between membrane sheets, which applies plasma welding to a lap joint between membrane sheets to improve working efficiency and... |
11/21/2006 |
| 07084368 | Thermal cutting machine and cutting method using same A thermal cutting machine and a cutting method using the same are described, which employ a simple, long-life torch hood for effectively shutting off spatter, the torch hood enabling easy supervision of the cut condition of a workpiece... |
08/01/2006 |
| 07071441 | Cutting system controls, including height control A cutting system is disclosed for a plasma cutting torch movable by a driver relative to a work piece along a Z-axis. During cutting, the torch provides an arc voltage proportional to a distance between the torch and the work piece. A... |
07/04/2006 |
| 07022937 | Plasma processing method and apparatus for performing uniform plasma processing on a linear portion of an object A plasma processing method is used to process a linear portion of an object to be processed by generating a linear plasma by supplying an electric power to an electrode provided at a plasma source or the object to be processed while... |
04/04/2006 |
| 06949716 | Process for treating with an atmospheric plasma electrically conductive materials and a device therefor Process for the surface treatment of an object made of an electrically conductive material, with an atmospheric plasma, including the generation of plasma jets by plasma generators, the application of the plasma jets to a surface of the... |
09/27/2005 |
| 06943316 | Arrangement for generating an active gas jet The invention is directed to an arrangement for generating a chemically active jet (active gas jet) by a plasma generated by electric discharge in a process gas. It is the object of the invention to find a novel possibility for generating... |
09/13/2005 |
| 06914209 | Plasma arc machining method Not only damage to a nozzle caused by spatter generated during piercing is prevented but also the deterioration of the nozzle owing to a pilot arc is restrained, whereby the service life of the nozzle is significantly increased. To this... |
07/05/2005 |
| 06903300 | Method for thermally working a workpiece, thermal working machine therefor, and cutting or welding tool suited for use in the working machine A thermal working tool (1) is movable along a workpiece surface (7) and includes a torch head (2) which has exchangeably mounted thereon cutting or welding tools (3; 4; 5) extending between the torch head (2) and the workpiece surface... |
06/07/2005 |
| 06794598 | Arc electrodes for synthesis of carbon nanostructures An arc electrode structure, for producing carbon nanostructures, which includes a first electrode and two or more second electrodes disposed within a chamber is provided. The electrodes are connected to a voltage potential to produce an... |
09/21/2004 |
| 06781087 | Three-phase plasma generator having adjustable electrodes Three adjustable electrodes (33a-33c) within a chamber (40) form a thermal plasma generating system (30). The electrodes (33a-33c) are positioned with a narrow gap at one portion and a wide gap at another portion to form a cone shape. The... |
08/24/2004 |
| 06776324 | Wire bonding apparatus A wire bonding apparatus including a capillary, which allows a tip end of a bonding wire to protrude from the bottom, and a discharge electrode, which generates a spark between the electrode and the tip end of the wire by an electrical... |
08/17/2004 |
| 06772040 | Centralized control architecture for a plasma arc system The invention features a centralized control architecture for a closely-coupled plasma arc system, in which the "intelligence" of the system is integrated into a single controller. The closely-coupled plasma arc system includes a power... |
08/03/2004 |
| 06753498 | Automated electrode replacement apparatus for a plasma processing system A plasma processing system includes an automated electrode retention mechanism (130) for providing automated engagement of a source electrode (152) with a drive electrode (154). In addition, an automated electrode handling system (320) is... |
06/22/2004 |
| 06703579 | Arc control for spraying A thermal spraying system includes thermal spray material, an electrical energy thermal spraying device atomizing and spraying the thermal spray material, a power supply supplying electrical power to the spraying device, a sensor... |
03/09/2004 |
| 06659110 | Method and apparatus for cleaning drums or belts A method of removing organic impurities from a surface of a substrate that is used for feeding or processing web material, wherein a jet of an atmospheric plasma is directed onto the surface of the substrate. |
12/09/2003 |
| 06359251 | Centralized control architecture for a plasma arc system The invention features a centralized control architecture for a closely-coupled plasma arc system, in which the "intelligence" of the system is integrated into a single controller. The closely-coupled plasma arc system includes a power... |
03/19/2002 |
| 06313429 | Dual mode plasma arc torch for use with plasma arc treatment system and method of use thereof A plasma arc torch that is capable of operating in a non-transferred arc mode and a transferred arc mode, and that is intended for use for use with a plasma arc treatment system. The plasma arc torch includes an electrode, a plasma gas... |
11/06/2001 |
| 6028287 | Plasma arc torch position control A torch height control system maintains a substantially constant operating parameter of the arc during processing of a workpiece by measuring the operating parameter, comparing the operating parameter to a reference value to generate a... |
02/22/2000 |
| 5998757 | Plasma torch system with height adjustment To improve a plasma torch system comprising a high-frequency plasma torch with a plasma torch device for generating therein a plasma flame by supplying high-frequency power, and a processing chamber for positioning therein workpieces... |
12/07/1999 |
| 5866872 | Plasma arc torch position control A plasma arc torch system includes a plasma arc torch and a positioning apparatus for automated processing of workpieces. In order to maintain consistent cut quality, a controller maintains arc voltage at a predetermined reference value... |
02/02/1999 |
| 5844196 | System and method for detecting nozzle and electrode wear A system and method for detecting nozzle and electrode wear of plasma arc torches in which the average change in the stand-off between the electrode or the nozzle assembly of the plasma arc torch and a workpiece is monitored, and... |
12/01/1998 |
| 5773788 | Gas mixtures for plasma arc torch cutting and marking systems A method of operating a plasma arc torch for marking a metallic workpiece spaced a stand-off distance from the torch utilizes a torch that includes a body, an electrode, and a nozzle mounted in the body so as to define a plasma chamber.... |
06/30/1998 |
| 5756960 | Detecting non-symmetrical nozzle wear in a plasma arc torch A method and apparatus for detecting non-axisymmetric wear (i.e. grooving 22) of the orifice (12) of the nozzle (13) of a plasma arc torch (1) involves placement of a probe adjacent a plasma jet (21) that emerges from the nozzle (13) such... |
05/26/1998 |