Using Plasma Patents (Class 219/121.36)
  • Patent number: 10590919
    Abstract: System (300, 400) and methods (500) for testing a reaction thruster (100) in a vacuum environment. The methods comprise: disposing the reaction thruster in a vacuum chamber which is at least partially connected to earth ground; removing at least one gas from the vacuum chamber to provide the vacuum environment; operating the reaction thruster so as to create a beam of electrons; and/or electrically isolating the electrons of the beam from at least one electrically conductive surface of the vacuum chamber. The electrical isolation can be achieved by applying an electrical bias voltage to the beam via an electrode. The electrode may comprise a conductive object disposed in the vacuum chamber and/or at least a portion of a vacuum chamber wall. In all cases, the electrode is electrically isolated from a portion of the vacuum chamber that is connected to ground.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: March 17, 2020
    Inventors: David Q. King, Peter Y. Peterson, Justin M. Pucci
  • Patent number: 10562145
    Abstract: In order to monitor replacement time for a consumable part of a machine tool, the present invention defines a time period after the power of the machine tool is turned off until the next turn-on thereof as a pause time for the consumable part, and provides a notification that the replacement time for the consumable part has come when the pause time is not less than a predetermined threshold.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: February 18, 2020
    Assignee: MAKINO MILLING MACHINE CO., LTD.
    Inventor: Kenichi Yada
  • Patent number: 10517165
    Abstract: The present invention is a plasma cutting apparatus (A) configured such that a starting gas is switched to plasma gas at the stage when current is applied to an electrode provided to a plasma torch, and a plasma arc is produced at a preset current value on a material (B) to be cut, so as to extend the life of the electrode, wherein the apparatus is configured to have: a starting gas supply unit (2) having a starting gas solenoid valve (2b) provided with a starting gas supply source (2a) and a starting gas pipeline (2c); a plasma gas supply unit (3) having a plasma gas solenoid valve (3b) provided with a plasma gas supply source (3a) and a plasma gas pipeline (3c); a plasma gas connection part (8) for connecting the downstream-side end part of the starting gas supply unit and the downstream-side end part of the plasma gas supply unit; a gas pipeline part (5) for connecting the plasma gas connection part (8) and a torch body (1a); a flow retention member (4) provided to the gas pipeline part; and a control devi
    Type: Grant
    Filed: June 24, 2016
    Date of Patent: December 24, 2019
    Assignee: Koike Sanso Kogyo Co., Ltd.
    Inventors: Ryuji Kobayashi, Masahiro Mogi, Akira Hurujo
  • Patent number: 10500599
    Abstract: A thermal spraying torch configured to spray a molten material onto a thermal sprayed surface of a work object and form a thermal sprayed coating has a discharge port configured to discharge the molten material, a discharge port periphery located on a peripheral edge of the discharge port on a front side in a discharge direction of the molten material and extending in the discharge direction, and an external surface continuous with a front end of the discharge port periphery. The discharge port periphery includes first section to which the molten material adheres more easily than to the external surface. The external surface includes a second section to which the molten material adheres less easily than to the discharge port periphery.
    Type: Grant
    Filed: March 23, 2016
    Date of Patent: December 10, 2019
    Assignee: Nissan Motor Co., Ltd.
    Inventors: Yoshito Utsumi, Satoru Sakurai, Yoshitsugu Noshi
  • Patent number: 10434490
    Abstract: A non-thermal plasma is generated to selectively convert a precursor to a product. More specifically, plasma forming material and a precursor material are provided to a reaction zone of a vessel. The reaction zone is exposed to microwave radiation, including exposing the plasma forming material and the precursor material to the microwave radiation. The exposure of the plasma forming material to the microwave radiation selectively converts the plasma forming material to a non-thermal plasma including formation of one or more streamers. The precursor material is mixed with the plasma forming material and the precursor material is exposed to the non-thermal plasma including exposing the precursor material to the one or more streamers. The exposure of the precursor material to the streamers and the microwave radiation selectively converts the precursor material to a product.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: October 8, 2019
    Assignee: H Quest Vanguard, Inc.
    Inventors: James J. Strohm, George L. Skoptsov, Evan T. Musselman, Kurt W. Zeller
  • Patent number: 10394270
    Abstract: Systems and methods for multiplying the loop voltage of a coil having one or more turns using multiple coil sections to multiply the loop voltage by a factor equal to the number of coil arc sections. The systems and methods for producing fractional turn windings comprise splitting the initial feed line from the capacitor by as many times as the desired total multiple of the voltage in the capacitor, and applying the feeds to the respective fractional turns or arc sections of the coil.
    Type: Grant
    Filed: August 11, 2015
    Date of Patent: August 27, 2019
    Assignee: THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Mark Morehouse, Eusebio Garate
  • Patent number: 10384482
    Abstract: An applicator assembly for treating a contoured surface including an attachment frame configured to secure and position an applicator head. In some embodiments, the applicator head is configured to apply a surface treatment to the contoured surface. The applicator assembly further includes, at least one sensor operatively coupled to the attachment frame and configured to scan the contoured surface and produce a contoured data set. Additionally, the applicator assembly includes an applicator actuator operatively coupled to the attachment frame and configured to manipulate the attachment frame such that the applicator assembly maintains an orientation of the applicator assembly relative to the contoured surface.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: August 20, 2019
    Assignee: The Boeing Company
    Inventors: Raymond C. Eng, Kyle S. Biondich, Bennett M. Moriarty, Matthew H. Mellin, Justin T. Hoehn, George P. Halamandaris, John E. Miller, Jeffrey H. Olberg, Shane E. Arthur
  • Patent number: 10390417
    Abstract: Disclosed is a demountable tube for a plasma torch assembly, such as an ICP torch assembly. The tube includes an open tubular body for radially surrounding a plasma within the tubular body. The tubular body may comprise a wall; and a mounting feature projecting from the tubular body for at least one of: (i) controlling alignment of the tubular body with respect to a mounting portion of the torch assembly, and (ii) releasably securing the tubular body to a portion of the torch assembly. The tubular body may also have a transmission zone that is partially devoid of said wall and includes at least one hole through said wall. The tube may be opaque. A plasma torch and ICP spectroscopy system are also disclosed.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: August 20, 2019
    Assignee: Glass Expansion PTY. Limited
    Inventors: Danny Brezni, Jost E. Kaiser, David J. Sultana
  • Patent number: 10375773
    Abstract: Provided is a microwave heating apparatus capable of effectively preventing the generation of sparks when an object containing a conductor (including a metal precursor such as a metal oxide) or a semiconductor is subjected to microwave heating. A microwave heating apparatus supplies a microwave so that the direction of the electrical flux line of the microwave is identical with the direction substantially parallel with a surface of a plate-like substrate and having thereon a pattern containing a conductor, a metal oxide, or a semiconductor, the substrate being arranged in the waveguide. The microwave heating apparatus also controls a pulse width of the microwave so that pulsed microwaves are supplied to the surface having the pattern thereon.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: August 6, 2019
    Assignee: SHOWA DENKO K.K.
    Inventors: Hiroshi Uchida, Kazuaki Senda, Mutsumi Yoshida
  • Patent number: 10375810
    Abstract: Certain embodiments described herein are directed to devices that can be used to sustain a capacitively coupled plasma. In some examples, a capacitive device can be used to sustain a capacitively coupled plasma in a torch in the absence of any substantial inductive coupling. In certain embodiments, a helium gas flow can be used with the capacitive device to sustain a capacitively coupled plasma.
    Type: Grant
    Filed: October 14, 2016
    Date of Patent: August 6, 2019
    Assignee: PerkinElmer Health Sciences, Inc.
    Inventor: Peter J Morrisroe
  • Patent number: 10293426
    Abstract: A welding gun assembly having a connection between a diffuser and the inner gun tube which provides increased strength between the diffuser and the gun tube to prevent inadvertent damage to the welding torch and upstream components. The diffuser comprises an engagement portion which engages with, and overlaps, at least a part of a sturdier portion of the inner gun tube. This engagement provides a stronger and more stable connection between the gun tube and the diffuser.
    Type: Grant
    Filed: January 5, 2015
    Date of Patent: May 21, 2019
    Assignee: LINCOLN GLOBAL, INC.
    Inventor: Jeffrey L. Kachline
  • Patent number: 10293427
    Abstract: A welding gun assembly having a connection between a diffuser and the inner gun tube which provides increased strength between the diffuser and the gun tube to prevent inadvertent damage to the welding torch and upstream components. The diffuser comprises an engagement portion which engages with, and overlaps, at least a part of a sturdier portion of the inner gun tube. This engagement provides a stronger and more stable connection between the gun tube and the diffuser.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: May 21, 2019
    Assignee: LINCOLN GLOBAL, INC.
    Inventor: Jeffrey L. Kachline
  • Patent number: 10286477
    Abstract: A welding gun assembly having a connection between a diffuser and the inner gun tube which provides increased strength between the diffuser and the gun tube to prevent inadvertent damage to the welding torch and upstream components. The diffuser comprises an engagement portion which engages with, and overlaps, at least a part of a sturdier portion of the inner gun tube. This engagement provides a stronger and more stable connection between the gun tube and the diffuser.
    Type: Grant
    Filed: January 23, 2017
    Date of Patent: May 14, 2019
    Assignee: LINCOLN GLOBAL, INC.
    Inventor: Jeffrey L. Kachline
  • Patent number: 10282339
    Abstract: Systems for presenting electrically supported devices and methods for assembling the same are provided. A platform assembly may be equipped with one or more features for enabling a support module assembly to be easily removed from a bottom table surface of a table and replaced with another support module subassembly (e.g., to physically upgrade the support module assembly) while maintaining the position of a user device and/or cable assembly with respect to the table).
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: May 7, 2019
    Assignee: APPLE INC.
    Inventors: Clayton R. Woosley, Aditya Rao, Bo Feng, David S. Kumka, Joseph I. Briskey, Min Chul Kim, Paul Z. Yuan, Yufan Liao, George Tziviskos, Charles A. Schwalbach, Eric H. Wong, David B. Kosecoff, Steven C. Michalske, Ariadne G. Smith
  • Patent number: 10272512
    Abstract: A method of severing a tubular structure can include producing a stream of plasma between a plasma arc cutter and the tubular structure, and displacing the plasma arc cutter relative to the tubular structure, thereby cutting through the tubular structure. A plasma arc cutting apparatus can include a transport vehicle, a boom extending from the transport vehicle, at least one plasma arc cutter, and at least one actuator that displaces the plasma arc cutter relative to the boom. Another method of severing a tubular structure can include conveying a plasma arc cutter to the tubular structure with a transport vehicle, and displacing the plasma arc cutter relative to the transport vehicle.
    Type: Grant
    Filed: May 23, 2014
    Date of Patent: April 30, 2019
    Assignee: Halliburton Energy Services, Inc.
    Inventors: Joseph E. Hess, Andrew John Cuthbert
  • Patent number: 10267193
    Abstract: Aspects of the subject disclosure may include, for example, a emission control system that includes a emission control substrate having a plurality of passages to facilitate at least one catalytic reaction in an exhaust gas from an internal combustion engine. A magnetic field generator responds to a control signal by generating a magnetic field to inductively heat the emission control substrate. A magnetic shield is configured to direct at least a portion of the magnetic field to the emission control substrate. Other embodiments are disclosed.
    Type: Grant
    Filed: November 4, 2016
    Date of Patent: April 23, 2019
    Assignee: Advanced Technology Emission Solutions Inc.
    Inventors: Robin Crawford, John Douglas
  • Patent number: 10135175
    Abstract: In a water stop structure of a shield connector, a rear holder includes a main body disposed at a position facing the inner circumferential surface of the end portion of a shield shell in the connector extraction direction, and a protrusion formed to protrude from the main body along the electric wire in the connector extraction direction between the electric wire and the braided body. The braided body is disposed to cover the outer circumferential surface of the protrusion such that the end portion in the connector insertion direction reaches the connecting part. The tape is wrapped around the braided body in a spiral shape to cover at least the portion from the end portion of the rear holder in the connector extraction direction to the connecting part.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: November 20, 2018
    Assignee: YAZAKI CORPORATION
    Inventor: Kengo Aoshima
  • Patent number: 10128141
    Abstract: A plasma processing apparatus includes: a refrigerating cycle including a refrigerant passage, a compressor, and a condenser, all of which are coupled in this order, and through which a refrigerant flows in this order, the refrigerant passage being disposed inside a sample stage and through which the refrigerant flows to serve as an evaporator; first and second expansion valves which are interposed between the condenser and the refrigerant passage and between the refrigerant passage and the compressor respectively in the refrigerating cycle; a vaporizer that is interposed between the second expansion valve and the compressor in the refrigerating cycle and which heats and vaporizes the refrigerant; and a controller which regulates opening and closing of the first and second expansion valves and regulates a refrigerant heat exchange amount of the condenser or vaporizer based on a refrigerant temperature between the condenser and the second expansion valve.
    Type: Grant
    Filed: February 19, 2014
    Date of Patent: November 13, 2018
    Assignee: HITACHI HIGH-TECHNOLOGIES CORPORATION
    Inventors: Takumi Tandou, Go Miya, Masaru Izawa, Hiromichi Kawasaki
  • Patent number: 10010121
    Abstract: A hand warmer is disclosed herein. The hand warmer has a central pocket defined by a cylindrical housing and a sealing member proximate an anterior end of the housing, wherein the sealing member is configured switch positions from a closed position to an open position with an application of a pulling or pushing force by the user in a direction parallel an arm of the user. A method of warming a user's hands is also provided.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: July 3, 2018
    Inventors: William T Kumprey, Troy Kumprey
  • Patent number: 10008910
    Abstract: Certain embodiments are directed to devices, methods, and/or systems that use electrical machines.
    Type: Grant
    Filed: June 8, 2012
    Date of Patent: June 26, 2018
    Assignee: Axiflux Holdings Pty Ltd.
    Inventor: David Elias Jahshan
  • Patent number: 9988703
    Abstract: A system (100), apparatus (110), and method (900) for monitored thermal spraying. One or more sensors (610) are used to capture one or more types of measurements (650) to monitor the thermal spraying process. A processor (710) can analyze a waveform (750) of measurements (650), such as electrical measurements (652). The processor (710) can then initiate a response (770) such as a warning (772) or an automatic adjustment (790) that is triggered by an identified operating condition (800).
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: June 5, 2018
    Inventors: David J. Cook, Keith A. Kowalsky, Chris Berghorn, John Conti, Scott R. Harrigan, David Barton
  • Patent number: 9967964
    Abstract: In some aspects, electrodes can include a front portion shaped to matingly engage a nozzle of the plasma cutting system, the front portion having a first end comprising a plasma arc emitter disposed therein; and a rear portion thermally connected to a second end of the front portion, the rear portion shaped to slidingly engage with a complementary swirl ring of the plasma cutting system and including: an annular mating feature extending radially from a proximal end of the rear portion of the electrode to define a first annular width to interface with the swirl ring, the annular mating feature comprising a sealing member configured to form a dynamic seal with the swirl ring to inhibit a flow of a gas from a forward side of the annular mating feature to a rearward side of the annular mating feature.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: May 8, 2018
    Assignee: Hypertherm, Inc.
    Inventors: Sung Je Kim, Jesse A. Roberts, Shreyansh Patel
  • Patent number: 9908195
    Abstract: A plasma cutting system is provided. The system includes a power source configured to generate a plasma arc, and a plasma arc torch connected to the power source for delivering the plasma arc to a workpiece. The plasma arc torch defines a multi-function fluid flow path for sustaining the plasma arc and cooling the plasma arc torch such that the plasma cutting system has a power-to-gas flow ratio of at least 2 kilowatts per cubic feet per minute (KW/cfm). The power-to-gas flow ratio comprises a ratio of power of the generated plasma arc to a total gas flow supplied to the plasma arc torch.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: March 6, 2018
    Assignee: Hypertherm, Inc.
    Inventors: Jesse A. Roberts, Shreyansh Patel, Stephen T. Eickhoff, Justin Gullotta, Qinghua Liu, Dennis M. Borowy, Zheng Duan, Ashok V. Retnaswamy, Sung Je Kim
  • Patent number: 9888557
    Abstract: A plasma spraying apparatus includes a cathode, a first gas nozzle surrounding a head of the cathode therewith to form a first gas path outside of the cathode, and a second gas nozzle surrounding the first gas nozzle therewith to form a second gas path outside of the first gas nozzle. The second gas nozzle is formed with a wire path through which a wire is inserted such that a distal end of the wire is disposed in front of a nozzle opening of the second gas nozzle. The wire path has a substantially rectangular cross section having a longer side extending in a direction in which a plasma flame extends, the wire path causing the wire to bend within an elastic limit of the wire.
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: February 6, 2018
    Assignees: FUJI ENGINEERING CO., LTD., FUJIGIKEN CO., LTD., WEST NIPPON EXPRESSWAY COMPANY LIMITED
    Inventors: Masanobu Sugimoto, Kenichi Yamada, Masanobu Irie
  • Patent number: 9867238
    Abstract: In some embodiments an apparatus for treating an exhaust gas in a foreline of a substrate processing system may include a dielectric tube configured to be coupled to the foreline of the substrate processing system to allow a flow of exhaust gases from the foreline through the dielectric tube; an RF coil wound about an outer surface of the dielectric tube, the RF coil having a first end to provide an RF input to the RF coil, the first end of the RF coil disposed proximate a first end of the dielectric tube and a second end disposed proximate a second end of the dielectric tube; a tap coupled to the RF coil to provide an RF return path, the tap disposed between the first end of the dielectric tube and a central portion of the dielectric tube.
    Type: Grant
    Filed: April 11, 2013
    Date of Patent: January 9, 2018
    Assignee: APPLIED MATERIALS, INC.
    Inventors: Michael S. Cox, Colin John Dickinson
  • Patent number: 9855620
    Abstract: A three stage power source for an electric arc welding process comprising an input stage having an AC input and a first DC output signal; a second stage in the form of an unregulated DC to DC converter having an input connected to the first DC output signal and converts the first DC output signal to a second DC output signal of the second stage; and a third stage to convert the second DC output signal to a welding output for welding wherein the input stage and the second stage are assembled into a first module within a first housing structure and the third stage is assembled into a second module having a separate housing structure connectable to the first module with long power cables. The second module also includes wire feeding systems and electronics.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: January 2, 2018
    Assignee: LINCOLN GLOBAL, INC.
    Inventors: Todd E. Kooken, Lifeng Luo, Matthew Krueger
  • Patent number: 9821399
    Abstract: Provided are a systems and methods for continuously providing a metal wire to a welding torch in the correct orientation with respect to the heat source of the welding torch for manufacturing objects by solid freeform fabrication to provide continuous deposition of metal to the freeform object, especially objects made with titanium or titanium alloy, or nickel or nickel alloy, wire.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: November 21, 2017
    Assignee: NORSK TITANIUM AS
    Inventors: Brede Vigdal, Hans-Martin Berg Haga, Tom-Erik Falla
  • Patent number: 9820370
    Abstract: An inductively coupled plasma generating device is configured to include a plasma torch, a high frequency induction coil and a high frequency power source. In addition, a heat transfer member, in which a first terminal is connected to the high frequency induction coil and a second terminal is connected to a cooling block, is disposed in the inductively coupled plasma generating device. The second terminal of the heat transfer member is located above the first terminal, thereby causing condensed operating fluid to fall and move toward the first terminal due to the action of gravity. Accordingly, it is possible to achieve excellent cooling capacity by improving circulation and mobility of the operating fluid.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: November 14, 2017
    Assignee: Hitachi High-Tech Science Corporation
    Inventors: Yoshitomo Nakagawa, Yutaka Ikku
  • Patent number: 9771280
    Abstract: The present invention provides a system, method and apparatus for treating a liquid by providing a santitary type stainless steel hydrocyclone, flowing the liquid through the hydrocyclone, and turning on a plasma torch attached to the hydrocyclone such that a plasma arc irradiates the liquid. The hydrocyclone can be a forward flow hydrocyclone, a reverse flow hydrocyclone, a through flow hydrocyclone, a hydrocyclone pump or a volute.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: September 26, 2017
    Assignee: Foret Plasma Labs, LLC
    Inventor: Todd Foret
  • Patent number: 9773645
    Abstract: A remote plasma generator includes a body, a driver, and a protection tube. The body includes a gas injection port, a plasma exhaust port, and a plasma generation pipe through which discharge gas or plasma flow. The driver is coupled to the body and generates a magnetic field and plasma in the body. The protection tube is at an inner side of the plasma generation pipe to protect the plasma generation pipe from plasma.
    Type: Grant
    Filed: January 29, 2016
    Date of Patent: September 26, 2017
    Assignees: SAMSUNG ELECTRONICS CO., LTD., DANDAN CO., LTD., NEW POWER PLASMA CO., LTD.
    Inventors: Ja-woo Lee, Chung-huan Jeon, Heok-jae Lee, Jang-hyoun Youm, Sang-jean Jeon, Kwang-young Jung, Sun-uk Kim, Kang-ho Lee, Jung-hyun Cho, Soon-im Wi, Yun-sik Yang, Moo-jin Kim, Jang-kyu Choi
  • Patent number: 9731375
    Abstract: A method for plasma cutting a workpiece comprises providing a plasma cutting system having a plasma current source and a plasma torch, the plasma torch having an electrode and nozzle where the nozzle is a small distance from the electrode at a lower end of the plasma torch, forming a plasma chamber between the nozzle and the electrode. A current is produced with a plasma current source and the current flows through the plasma torch during the plasma cutting process. The current is then brought to pulsation during at least a partial time period during the plasma cutting process, with the pulsation occurring in a targeted or controlled manner with a freely selectable frequency.
    Type: Grant
    Filed: September 21, 2010
    Date of Patent: August 15, 2017
    Assignee: KJELLBERG FINSTERWALDE PLASMA UND MASCHINEN GMBH
    Inventors: Jens Friedel, Gerhard Irrgang, Volker Krink, Jens Ollmann
  • Patent number: 9730306
    Abstract: Nozzle for thermal spray gun, thermal spray gun and method of optimizing nozzle of thermal spray gun. The nozzle includes a central bore comprising a conical bore and a cylindrical bore. The conical bore is delimited by a conical wall surface in a conical bore section, the cylindrical bore is delimited by a cylindrical wall surface in a cylindrical bore section, and the conical bore section and the cylindrical bore section are structured so that heat is removed more rapidly from the conical wall than from the cylindrical wall.
    Type: Grant
    Filed: December 19, 2013
    Date of Patent: August 8, 2017
    Assignee: OERLIKON METCO (US) INC.
    Inventor: Ronald J. Molz
  • Patent number: 9700960
    Abstract: A laser processing apparatus using a laser. The laser processing apparatus includes a light source for generating a hollow laser beam in a first direction; a reflection member for changing a path of the hollow laser beam toward the first direction into a second direction toward the substrate; a lens for collecting the hollow laser beam reflected by the reflection member; and an air supply unit for supplying air toward particles generated while the substrate is processed by the hollow laser beam, wherein the lens has a first hole passing through the lens, the reflection member has a second hole passing through the reflection member, and the first and second holes form a discharge path of the particles.
    Type: Grant
    Filed: March 4, 2013
    Date of Patent: July 11, 2017
    Assignee: Samsung Display Co., Ltd.
    Inventors: Il-Young Jeong, Gyoo-Wan Han, Jun-Hyung Kim
  • Patent number: 9656095
    Abstract: A nozzle for attachment to a cold plasma device configured to maintain delivery of a stable cold plasma. The nozzle can have many different shaped apertures to support different applications requiring different shaped cold plasma plumes. Use of a disc of foam material within a nozzle can expand the size of aperture of a nozzle while maintaining delivery of a stable cold plasma. The nozzle can be an elongated cannula tube for internal delivery of a cold plasma treatment. The cannula tube can provide an aperture at its distal end or one or more apertures along its length. A shroud can partially enclose the distal aperture of the nozzle. A sterile sleeve can be used in conjunction with a nozzle to provide a sterile means of attachment and operation of the nozzle with a cold plasma device. In addition, various shaped apertures may be deployed to provide selective targeting of the cold plasma to a treatment area, while shielding other biological structures from cold plasma exposure.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: May 23, 2017
    Assignee: Plasmology4, Inc.
    Inventors: Gregory A. Watson, Robert M. Hummel, Marc C. Jacofsky, David J. Jacofsky
  • Patent number: 9649716
    Abstract: Certain embodiments described herein are directed to devices that can be used to sustain a low flow plasma. In certain examples, the low flow plasma can be sustained in a torch comprising an outer tube and an auxiliary tube within the outer tube. In some examples, the auxiliary tube comprises an effective length to match the shape of a low flow plasma sustained in the torch using a flat plate electrode. Methods and systems using the torches are also described.
    Type: Grant
    Filed: November 23, 2015
    Date of Patent: May 16, 2017
    Assignee: PerkinElmer Health Sciences, Inc.
    Inventor: Peter Morrisroe
  • Patent number: 9611520
    Abstract: A method for plasma treatment of wet metal-containing wastes in which a plasma treatment unit comprises an electrically conductive hearth for holding a layer of slag and optionally a layer of metal produced by the plasma treatment. A graphite electrode is arranged above the hearth, so that, in use, a plasma arc is formed between the electrode and the hearth. One or more inlets for the particulate metal-containing waste are arranged adjacent to the electrode and sufficiently close to the electrode so that, in use, the particulate metal-containing waste fed into the plasma treatment unit falls close to the arc formed between the electrode and the hearth and is heated by the plasma arc before contacting the slag layer such that moisture present in the particulate metal-containing waste is completely volatilized in a head space of the furnace.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: April 4, 2017
    Assignee: Tetronics (International) Limited
    Inventors: David Deegan, Matthew Slinn
  • Patent number: 9606075
    Abstract: A first bridge fixed resistor (211) of a combustible gas detection apparatus (1) is composed of a resistor element which is less likely to deteriorate as compared with a second bridge fixed resistor (212) and a variable resistor section (213). The combustible gas detection apparatus (1) can judge a deteriorated state of at least one of the second bridge fixed resistor (212) and the variable resistor section (213) on the basis of the absolute value of a difference temperature ?T which is the difference between a detection-time judgment temperature T1 and a reference judgment temperature T0. The combustible gas detection apparatus (1) obtains a corrected high-temperature-time voltage VH? and a corrected low-temperature-time voltage VL? through use of a voltage error ?V1. Thus, a decrease in the accuracy in detecting the hydrogen concentration can be suppressed even when the resistance of the resistor section changes.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: March 28, 2017
    Assignee: NGK SPARK PLUG CO., LTD.
    Inventors: Masahiro Yamashita, Shoji Kitanoya, Masaya Watanabe, Daisuke Ichikawa, Yusuke Matsukura
  • Patent number: 9598969
    Abstract: A turbine according to an embodiment includes: a formation object member; a facing member; and a seal part. A formation object member is one of a static part and a rotation part. A facing member is the other of the static part and the rotation part. A seal part at the formation object member is configured to reduce combustion gas leaking between the formation object member and the facing member. The seal part including a ceramics layer. The ceramics layer has a heat conductivity lower than that of the formation object member, and has a concave and convex shape at a surface thereof. The ceramics layer is not in contact with the facing member, or has hardness higher than that of the facing member so that the facing member is preferentially abraded when the facing member and the ceramics layer are in contact with each other.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: March 21, 2017
    Assignee: KABUSHIKI KAISHA TOSHIBA
    Inventors: Kunihiko Wada, Satoru Kuboya, Daizo Saito, Hideyuki Maeda, Nobuhiro Okizono, Iwataro Sato, Kazutaka Tsuruta, Naoyuki Okamura
  • Patent number: 9554420
    Abstract: An electrical discharge, suitable for heating optical fibers for processing, is made in a controlled partial vacuum, such that saturation of available ionizable gas molecules is reached. The workpiece temperature is thereby made to be a stably controlled function of the absolute air pressure and is insensitive to other conditions. A system and method accomplishing the foregoing are provided.
    Type: Grant
    Filed: April 8, 2013
    Date of Patent: January 24, 2017
    Assignee: 3SAE Technologies, Inc.
    Inventors: Robert G. Wiley, Brett Clark, John Lower, Jason Troyer, Clyde J. Troutman
  • Patent number: 9504137
    Abstract: Certain embodiments described herein are directed to devices that can be used to sustain a capacitively coupled plasma. In some examples, a capacitive device can be used to sustain a capacitively coupled plasma in a torch in the absence of any substantial inductive coupling. In certain embodiments, a helium gas flow can be used with the capacitive device to sustain a capacitively coupled plasma.
    Type: Grant
    Filed: April 7, 2014
    Date of Patent: November 22, 2016
    Assignee: PerkinElmer Health Sciences, Inc.
    Inventor: Peter J Morrisroe
  • Patent number: 9490135
    Abstract: A movable symmetric chamber liner in a plasma reaction chamber, for protecting the plasma reaction chamber, enhancing the plasma density and uniformity, and reducing process gas consumption, comprising a cylindrical wall, a bottom wall with a plurality of openings, a raised inner rim with an embedded heater, heater contacts, and RF ground return contacts. The chamber liner is moved by actuators between an upper position at which substrates can be transferred into and out of the chamber, and a lower position at which substrate are processed in the chamber. The actuators also provide electrical connection to the heater and RF ground return contacts.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: November 8, 2016
    Assignee: LAM RESEARCH CORPORATION
    Inventors: Danny Brown, Leonard Sharpless
  • Patent number: 9426875
    Abstract: Provided are a plasma stream generation method, a plasma processing method, a plasma generation apparatus, and a plasma processing apparatus using same, which enable plasma processing with rotating plasma to be controllably performed with stability and thereby improved in quality. The frequencies in four quadrants Z1-Z4 are set at 7, 15, 6, and 20 Hz, respectively. This frequency variability can realize different rotational velocity of plasma in the four-portion partitioned rotational angle regions. The rotational velocities of plasmas P2, P4 are greater than those of plasmas P1, P3. Thus, the rotating plasma, which rotates at a periodically varied rotational velocity as plasma P1, plasma P2, plasma P3, and plasma P4 in that order while traveling in a circular orbit C, can be used for irradiation therewith, thereby performing uniform film formation treatment in first quadrant Z1 to fourth quadrant Z4.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: August 23, 2016
    Assignee: Ferrotec Corporation
    Inventors: Keisuke Sagisaka, Yoshifumi Noguchi
  • Patent number: 9376740
    Abstract: The present disclosure generally relates to systems, apparatus and methods of plasma spraying and plasma treatment of materials based on high specific energy molecular plasma gases that may be used to generate a selected plasma. The present disclosure is also relates to the design of plasma torches and plasma systems to optimize such methods.
    Type: Grant
    Filed: October 6, 2015
    Date of Patent: June 28, 2016
    Inventor: Vladimir E. Belashchenko
  • Patent number: 9293299
    Abstract: In an inductively coupled plasma processing apparatus, it is possible to control a plasma density distribution while suppressing a wavelength effect within a RF antenna. Provided at a ceiling of a chamber 10 or above a dielectric window 52 is a circular ring-shaped RF antenna 54 for generating inductively coupled plasma within the chamber 10. This RF antenna 54 includes two coil segments 84(1) and 84(2) each having a semicircular arc shape. The coil segments 84(1) and 84(2) are electrically connected to each other in parallel with respect to a high frequency power supply unit 62. On the dielectric window 52, a circular ring-shaped floating coil 60 having a variable capacitor 58 coupled to the RF antenna 54 by an electromagnetic induction is provided. The variable capacitor 58 is varied in a certain range by a capacitance varying unit 82 under the control of a main controller 80.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: March 22, 2016
    Assignee: TOKYO ELECTRON LIMITED
    Inventor: Yohei Yamazawa
  • Patent number: 9277954
    Abstract: Cartilage and other tissues are treated by generating a plasma in an interior space of a probe and exposing the tissue to the plasma. The plasma is released through a gap in a working end of the probe.
    Type: Grant
    Filed: October 30, 2012
    Date of Patent: March 8, 2016
    Assignee: ARQOS Surgical, Inc.
    Inventors: Aaron Germain, Balazs Lesko, Benedek Orczy-Timko
  • Patent number: 9203203
    Abstract: A device for the excitation of a gas medium (10) contained in a casing (12), the device being coupled to the casing (12) and disposed outside same and including an applicator that can generate lateral excitation inside the casing (12) over at least a portion thereof. The device is characterized in that the casing (12) is a hollow-core photonic dielectric structure (16), in which the core has a diameter smaller than 300 ?m, and in that the applicator is of the microwave type and can be used to generate a surface wave that can create and confine a microplasma from the gaseous medium contained in the casing (12).
    Type: Grant
    Filed: April 26, 2012
    Date of Patent: December 1, 2015
    Assignee: UNIVERSITE DE LIMOGES
    Inventors: Fetah Benabid, Jean-Marc Blondy, Benoit Debord, Frederic Gerome, Raphael Jamier, Philippe Leprince
  • Patent number: 9168084
    Abstract: Disclosed herein is a distal end electrode assembly for use in connection with electrosurgical devices, particularly those adapted for the modification, sculpting, resection, removal, or vaporization of tissue, configured for coagulation, cauterization or hemostasis purposes, or utilized for thermal treatment of normal and tumorous tissues. In the context of the present invention, mechanical fastening means, epoxies and other high-temperature adhesives connecting electrode(s) to insulator(s) are replaced with brazed joints to yield electrosurgical devices capable of safely and reliably operating at high power densities and elevated temperatures without thermal failure of the bonds between the electrode and the insulator.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: October 27, 2015
    Assignee: ElectroMedical Associates, LLC
    Inventors: Yuval Carmel, Anatoly Shkvarunets, Robert A. Van Wyk
  • Patent number: 9024230
    Abstract: A method of starting a multi-gas plasma arc torch for cutting a workpiece is provided that includes directing a pre-flow gas within the plasma arc torch and switching the pre-flow gas to a plasma gas before a pilot arc is transferred to the workpiece. The plasma gas is supplied initially at a first gas pressure when the pre-flow gas is switched to the plasma gas. The gas pressure is switched to a second gas pressure that is different than the first gas pressure after the pilot arc is transferred. The method provides a smooth transition from the pre-flow gas to the plasma gas and reduces the time delay in replacing the pre-flow gas with the plasma gas in the plasma arc torch, thereby improving cut or marking quality.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: May 5, 2015
    Assignee: Victor Equipment Company
    Inventors: Daniel Wayne Barnett, Nakhleh Hussary
  • Publication number: 20150103860
    Abstract: An inductively coupled plasma device includes a rotary furnace tube and an inductively coupled plasma source. The rotary furnace tube has a first end, a second end and a longitudinal axis. In a first embodiment, the inductively coupled plasma source is disposed proximate to the first end of the rotary furnace tube and is aligned with the longitudinal axis of the rotary furnace such that the inductively coupled plasma source discharges a plasma into the rotary furnace tube. In a second embodiment, the inductively coupled plasma source is a ground electrode disposed within and aligned with the longitudinal axis of the rotary furnace tube, and a second electromagnetic radiation source disposed around or within the rotary furnace tube that generates a wave energy. The inductively coupled plasma source discharges a plasma within the rotary furnace tube.
    Type: Application
    Filed: December 4, 2014
    Publication date: April 16, 2015
    Inventor: Todd Foret
  • Patent number: 8981250
    Abstract: An apparatus for synergistically combining a plasma with a comminution means such as a fluid kinetic energy mill (jet mill), preferably in a single reactor and/or in a single process step is provided by the present invention. Within the apparatus of the invention potential energy is converted into kinetic energy and subsequently into angular momentum by means of wave energy, for comminuting, reacting and separation of feed materials. Apparatuss of use of the apparatus in the practice of various processes are also provided by the present invention.
    Type: Grant
    Filed: August 22, 2011
    Date of Patent: March 17, 2015
    Assignee: Foret Plasma Labs, LLC
    Inventor: Todd Foret