181 |
Method and apparatus for cleaning and surface conditioning objects using non-equilibrium atmospheric pressure plasma |
US11040222 |
2005-01-21 |
US20060162740A1 |
2006-07-27 |
Peter Kurunczi |
A method and apparatus for cleaning and surface conditioning objects using plasma is disclosed. One embodiment of the method discloses providing a plurality of elongated dielectric barrier members arranged adjacent each other, the members having electrodes connected therein, introducing the objects proximate the members, and producing a dielectric barrier discharge to form plasma between the objects and the members for cleaning the objects. One embodiment of the apparatus for cleaning objects using plasma discloses a plurality of elongated dielectric barrier members arranged adjacent each other, and a plurality of electrodes, each contained within, and extending substantially along the length of, respective ones of the elongated dielectric barrier members. |
182 |
Electrode discharge, non-thermal plasma device (reactor) for the pre-treatment of combustion air |
US10211936 |
2002-08-02 |
US07029636B2 |
2006-04-18 |
Pascal J. Ricatto; Edward J. Houston; Richard Crowe |
A device for the pre-treatment of combustion air by exposure to non-thermal plasma at substantially atmospheric pressure and a method for operating the same. The device includes an inner electrode having a longitudinal channel defined therein to receive a fuel. An outer dielectric layer is separated a predetermined distance from the inner electrode so as to form a non-thermal atmospheric pressure plasma region therebetween for receiving the combustion air to be treated. The outer dielectric has at least one opening (e.g., capillaries or slots) defined therethrough from which the non-thermal plasma is emitted. At least one outer electrode (e.g., in the shape of a pin or ring) is disposed in fluid communication with the at least one opening. The treated combustion air and fuel are combined in a mixing region. The pretreatment device may be disposed in an unsealed or a sealed combustion burner. |
183 |
Spinning cold plasma apparatus and methods relating thereto |
US11064300 |
2005-02-23 |
US20050274122A1 |
2005-12-15 |
Choongseock Chang; Jemo Kang; Jaeyoung Park |
Disclosed herein is an apparatus for generating a spinning cold plasma. A preferred embodiment of the spinning cold plasma apparatus is portable and includes a vortex tube having an inner wall to form a vortex reaction chamber. The vortex tube preferably has a cold gas outlet formed at a first end of the vortex tube and a hot gas outlet formed at a second end of the vortex tube. The vortex tube preferably has a plurality of gas inlet openings formed therein for directing pressurized gas tangentially to the inner wall into the vortex reaction chamber. A preferred embodiment of the portable spinning cold plasma apparatus also includes a valve positioned at least partially within the cold gas outlet and a valve positioned at least partially within the hot gas outlet. The portable device preferably also includes an ionizing device, such as an RF source or microwave source, for transmitting electromagnetic energy into the vortex reaction chamber to ionize pressurized gas therein. Additional apparatus and methods are also disclosed herein. |
184 |
Methods for natural gas and heavy hydrocarbon co-conversion |
US11051682 |
2005-02-03 |
US20050167260A1 |
2005-08-04 |
Peter Kong; Lee Nelson; Brent Detering |
A reactor for reactive co-conversion of heavy hydrocarbons and hydrocarbon gases and includes a dielectric barrier discharge plasma cell having a pair of electrodes separated by a dielectric material and passageway therebetween. An inlet is provided for feeding heavy hydrocarbons and other reactive materials to the passageway of the discharge plasma cell, and an outlet is provided for discharging reaction products from the reactor. A packed bed catalyst may optionally be used in the reactor to increase efficiency of conversion. The reactor can be modified to allow use of a variety of light sources for providing ultraviolet light within the discharge plasma cell. Methods for upgrading heavy hydrocarbons are also disclosed. |
185 |
Method and apparatus for non-thermal pasteurization of living-mammal-instillable liquids |
US10364599 |
2003-02-11 |
US06911225B2 |
2005-06-28 |
R. Roger Ruan; Hongbin Ma; Paul L. Chen; Shaobo Deng; Xiangyang Lin |
A non-thermal plasma reactor is provided for treating a liquid with non-thermal plasma species. The reactor includes a liquid inlet, a liquid outlet, a reaction volume between the liquid inlet and the liquid outlet and at least one non-thermal plasma electrode adjacent to the reaction volume. The non-thermal plasma electrode is isolated physically and electrically from the flow path by a dielectric barrier. |
186 |
Nonthermal plasma systems and methods for natural gas and heavy hydrocarbon co-conversion |
US10059669 |
2002-01-29 |
US06896854B2 |
2005-05-24 |
Peter C. Kong; Lee O. Nelson; Brent A. Detering |
A reactor for reactive co-conversion of heavy hydrocarbons and hydrocarbon gases and includes a dielectric barrier discharge plasma cell having a pair of electrodes separated by a dielectric material and passageway therebetween. An inlet is provided for feeding heavy hydrocarbons and other reactive materials to the passageway of the discharge plasma cell, and an outlet is provided for discharging reaction products from the reactor. A packed bed catalyst may optionally be used in the reactor to increase efficiency of conversion. The reactor can be modified to allow use of a variety of light sources for providing ultraviolet light within the discharge plasma cell. Methods for upgrading heavy hydrocarbons are also disclosed. |
187 |
Non-thermal plasma reactor and method-structural conductor |
US09812071 |
2001-03-19 |
US06692704B2 |
2004-02-17 |
David Emil Nelson; Bob X. Li; Mark David Hemingway; Suresh Baskaran; Joachim Kupe; Gregory Stephen Sims; Delbert L. Lessor; Carl Elmer Miller; Darrell R. Herling |
A non-thermal plasma (NTP) reactor structural conductor element includes a base conductor support and a high dielectric constant (“high k”) barrier layer supported by and substantially surrounding the base conductor support to form a structural conductor NTP reactor element. The structural conductor element may comprise a variety of shapes such as plates, sheets, half-box, I shapes, C shapes, or comb shapes, among others. In one embodiment, the dielectric barrier layer includes a coating applied to the base conductor support. In another embodiment, the dielectric barrier layer includes a high k film laminated to the base conductor support. In yet another embodiment, the base conductor support integrally forms the dielectric barrier layer via conversion of surfaces of the base conductor using electrochemical, thermal or chemical means to form the dielectric barrier layer. |
188 |
Remote exposure of workpieces using a plasma |
US10156394 |
2002-05-28 |
US06676802B2 |
2004-01-13 |
J. Reece Roth |
An OAUGD plasma is generated using, for example, paraelectric or peristaltic electrohydrodynamic (EHD) techniques, in the plasma generator of a remote-exposure reactor, wherein one or more active species, especially oxidizing species in the plasma are convected away from the plasma-generation region and directed towards a workpiece that is located outside of the plasma-generation region (e.g., within an optional remote-exposure chamber configured to the plasma generator). In this way, the workpiece can be subjected to the one or more active species without directly being subjected to either the plasma or to the electric fields used to generate the plasma. The plasma generator may have a set of flat panels arranged within an air baffle to convect the active species in a serpentine manner through the plasma generator. The remote-exposure reactor can also be configured as a portable backpack unit with tubing that is used to direct the active species onto the workpiece, rather than placing the workpiece within a remote-exposure chamber of the reactor. |
189 |
Method and apparatus for non-thermal pasteurization of living-mammal-instillable liquids |
US10364599 |
2003-02-11 |
US20030180421A1 |
2003-09-25 |
R.
Roger
Ruan; Hongbin
Ma; Paul
L.
Chen; Shaobo
Deng; Xiangyang
Lin |
A non-thermal plasma reactor is provided for treating a liquid with non-thermal plasma species. The reactor includes a liquid inlet, a liquid outlet, a reaction volume between the liquid inlet and the liquid outlet and at least one non-thermal plasma electrode adjacent to the reaction volume. The non-thermal plasma electrode is isolated physically and electrically from the flow path by a dielectric barrier. |
190 |
Electrode discharge, non-thermal plasma device (reactor) for the pre-treatment of combustion air |
US10211936 |
2002-08-02 |
US20030031610A1 |
2003-02-13 |
Pascal
J.
Ricatto; Edward
J.
Houston; Richard
Crowe |
A device for the pre-treatment of combustion air by exposure to non-thermal plasma at substantially atmospheric pressure and a method for operating the same. The device includes an inner electrode having a longitudinal channel defined therein to receive a fuel. An outer dielectric layer is separated a predetermined distance from the inner electrode so as to form a non-thermal atmospheric pressure plasma region therebetween for receiving the combustion air to be treated. The outer dielectric has at least one opening (e.g., capillaries or slots) defined therethrough from which the non-thermal plasma is emitted. At least one outer electrode (e.g., in the shape of a pin or ring) is disposed in fluid communication with the at least one opening. The treated combustion air and fuel are combined in a mixing region. The pretreatment device may be disposed in an unsealed or a sealed combustion burner. |
191 |
Non-thermal plasma reactor and method-structural conductor |
US09812071 |
2001-03-19 |
US20020131916A1 |
2002-09-19 |
David
Emil
Nelson; Bob
X.
Li; Mark
David
Hemingway; Suresh
Baskaran; Joachim
Kupe; Gregory
Stephen
Sims; Delbert
L.
Lessor; Carl
Elmer
Miller; Darrell
R.
Herling |
A non-thermal plasma (NTP) reactor structural conductor element includes a base conductor support and a high dielectric constant (nullhigh knull) barrier layer supported by and substantially surrounding the base conductor support to forma structural conductor NTP reactor element. The structural conductor element may comprise a variety of shapes such as plates, sheets, half-box, I shapes, C shapes, or comb shapes, among others. In one embodiment, the dielectric barrier layer includes a coating applied to the base conductor support. In another embodiment, the dielectric barrier layer includes a high k film laminated to the base conductor support. In an alternate embodiment, the base conduct support integrally forms the dielectric barrier layer via conversion of surfaces of the base conductor using electrochemical, thermal or chemical means to form the dielectric barrier layer. Non-thermal plasma reactors are prepared from multi-cell stacks of the present structural base conductor elements, such as structural base conductors plates, C-shaped structural base conductors, I-shaped structural base conductors, and inter-digitized tine shaped elements prepared from comb-shaped structural base conductors. |
192 |
Remote exposure of workpieces using a recirculated plasma |
US09362471 |
1999-07-28 |
US06406759B1 |
2002-06-18 |
J. Reece Roth |
An OAUGD plasma is generated using, for example, paraelectric or peristaltic electrohydrodynamic (EHD) techniques, in the plasma generator of a remote-exposure reactor, wherein one or more active species, especially oxidizing species in the plasma are convected away from the plasma-generation region and directed towards a workpiece that is located outside of the plasma-generation region (e.g., within an optional remote-exposure chamber configured to the plasma generator). In this way, the workpiece can be subjected to the one or more active species without directly being subjected to either the plasma or to the electric fields used to generate the plasma. The plasma generator may have a set of flat panels arranged within an air baffle to convect the active species in a serpentine manner through the plasma generator. The remote-exposure reactor can also be configured as a portable backpack unit with tubing that is used to direct the active species onto the workpiece, rather than placing the workpiece within a remote-exposure chamber of the reactor. |
193 |
Cold Plasma Treatment Devices and Associated Methods |
US16114998 |
2018-08-28 |
US20190254154A1 |
2019-08-15 |
Gregory A. WATSON; Robert M. HUMMEL; Marc C. JACOFSKY; David J. JACOFSKY |
A compact cold plasma device for generating cold plasma having temperatures in the range 65 to 120 degrees Fahrenheit. The compact cold plasma device has a magnet-free configuration and an induction-grid-free configuration. An additional configuration uses an induction grid in place of the input electrode to generate the cold plasma. A high voltage power supply is provided that includes a controllable switch to release energy from a capacitor bank to a dual resonance RF transformer. A controller adjusts the energy input to the capacitor bank, as well as the trigger to the controllable switch. |
194 |
STABILIZED ANTI-CANCER COLD ATMOSPHERIC PLASMA (CAP)-STIMULATED MEDIA AND METHODS FOR PREPARING AND USING THE SAME |
US15767313 |
2016-10-26 |
US20180296830A1 |
2018-10-18 |
Dayun YAN; Michael KEIDAR; Jonathan SHERMAN |
This disclosure relates to stabilized anti-cancer cold atmospheric plasma (CAP)-stimulated media, to methods for preparing such media, and to methods of treatment using such media. |
195 |
METHODS OF AND SYSTEM FOR GENERATING ANTIMICROBIAL WIPES |
US15753565 |
2016-08-30 |
US20180242577A1 |
2018-08-30 |
Tsung-Chan Tsai; Jeffrey S. Louis; Daphne Pappas Antonakas; Sameer Kalghatgi; Robert L. Gray |
Exemplary methods of and system for generating an antimicrobial wipe to clean and disinfect a surface contaminated with bacteria, viruses, spores, fungi, or combinations thereof. In some embodiments, the method includes applying non-thermal plasma to a moistened wipe to activate a liquid in the wipe. In some embodiments, the method includes applying non-thermal plasma to a liquid and then applying the activated liquid to a wipe. In one embodiment of a system for generating an antimicrobial wipe the system includes a housing having an opening; a supply of wipes disposed within the housing; a non-thermal plasma generator disposed within the housing; a power supply electrically coupled to the non-thermal plasma generator; and a feed system disposed within the housing, wherein the feed system moves one or more wipes from the supply of wipes past the plasma generator and out of the opening. As the feed system moves the wipes past the plasma generator, the plasma generator applies non-thermal plasma to the wipes. |
196 |
Cold plasma treatment devices and associated methods |
US15431208 |
2017-02-13 |
US10064263B2 |
2018-08-28 |
Gregory A. Watson; Robert M. Hummel; Marc C. Jacofsky; David J. Jacofsky |
A compact cold plasma device for generating cold plasma having temperatures in the range 65 to 120 degrees Fahrenheit. The compact cold plasma device has a magnet-free configuration and an induction-grid-free configuration. An additional configuration uses an induction grid in place of the input electrode to generate the cold plasma. A high voltage power supply is provided that includes a controllable switch to release energy from a capacitor bank to a dual resonance RF transformer. A controller adjusts the energy input to the capacitor bank, as well as the trigger to the controllable switch. |
197 |
NOVEL METHOD FOR THE POLYMERIZATION OF SUGARS |
US15748482 |
2016-07-28 |
US20180223001A1 |
2018-08-09 |
François JEROME; Karine DE OLIVEIRA VIGIER; Joakim DELAUX; Elodie FOURRE; Jean-Michel TATIBOUËT |
The present invention relates to a method for preparing a polysaccharide comprising a step of the polymerization of a saccharide monomer by non-thermal plasma treatment. |
198 |
Plasma directed electron beam wound care system apparatus and method |
US14117119 |
2012-05-10 |
US09993282B2 |
2018-06-12 |
Thomas J. Sheperak |
A plasma generating device that utilizes a cold plasma to contain and direct a stream of electrons with a hand held nozzle to enhance healing of wounds and skin surface abnormalities, and to kill pathogens on skin surfaces in humans and animals wounds, abnormalities and pathogens. |
199 |
DEVICES FOR CONTROLLING NON-THERMAL PLASMA EMITTERS |
US15787603 |
2017-10-18 |
US20180063937A1 |
2018-03-01 |
Bradley N. Eckert; Huan Truong; Bryon K. Eckert |
An array of non-thermal plasma emitters is controlled to emit plasma based on application of an electric current at desired frequencies and a controlled power level. A power supply for an array controller includes a transformer that operates at the resonant frequency of the combined capacitance of the array and the cable connecting the array to the power supply. The power into the array is monitored by the controller and can be adjusted by the user. The controller monitors the phase relationship between the transformer primary winding voltage and the gate drive voltage, and adjusts the drive frequency to resonance. Alternatively the balanced driver is configured as an oscillator which drives the transformer at resonance by default. A signal from the transformer driver generates an interrupt to the controller for synchronizing current and voltage measurements for power control. |
200 |
SYNTHESIS OF NANOPARTICLE IN LIQUID, SEMI-SOLID MEDIA AND IN CELLS AND TISSUES USING COLD PLASMA TECHNOLOGY |
US15611098 |
2017-06-01 |
US20180050120A1 |
2018-02-22 |
Emilia M. Kulaga |
A method of forming metal nanoparticles includes applying a substance to an area of interest, applying cold plasma to the area of interest, and synthesizing nanoparticles from the substance using the cold plasma in the area of interest, wherein the substance is a solution that contains metal ions, and the nanoparticles synthesized are metallic in nature. |