| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 209127100 | ELECTROSTATIC | 24 |
| 20090107893 | Deflection plate - The present invention provides deflection plates for use in a flow-type particle sorter that are resistant to wetting. The deflection plates include a gas-porous, conductive plate. A gas, such as air, is passed through the plate from the outer face (away from the particle flow) towards the inner face (towards the particle flow). The flow of gas prevents condensation on the inner face of the defection plate. | 04-30-2009 |
| 20090173670 | Classification Apparatus and Fine Particle Measuring Apparatus - A classification apparatus for classifying and separating particles having particle sizes within a predetermined range is disclosed. In a preferred embodiment of the classification apparatus, a center electrode ( | 07-09-2009 |
| 20110073531 | DYNAMIC EQUILIBRIUM SEPARATION, CONCENTRATION, AND MIXING APPARATUS AND METHODS - Particles are separated, concentrated, or mixed within a fluid by means of a fluid-containing cell having a longitudinal axis, a cross-sectional area generally perpendicular to the longitudinal axis, and at least one particle motivating force directionally interacting with at least one recurrent circulating fluid flow generally aligned with the longitudinal axis within the fluid containing cell. | 03-31-2011 |
| 20120043261 | ELECTROSTATIC SEPARATION METHOD AND ELECTROSTATIC SEPARATION DEVICE - The present invention provides an electrostatic separation method and an electrostatic separation device each of which, even in a case where the concentration of unburned components of coal ash produced by a boiler of a coal-fired power plant is as high as 15% to 30%, can stably separate the ash without generating spark, reuse the high unburned component ash as fuel, and reuse the low unburned component ash as, for example, an auxiliary material of concrete. The electrostatic separation device may include a substantially flat plate lower side electrode and an upper side electrode including a high dielectric resin element. A separation zone is formed in a region of electrostatic force between the lower side electrode and the upper side electrode, with one of the electrodes having positive polarity and the other having negative polarity. Unburned carbon ash in the coal ash supplied to the separation zone is separated. | 02-23-2012 |
| 20130105365 | METHODS FOR CREATING HIGH PURITY STREAMS OF PLASTICS RECOVERED FROM DURABLE GOODS | 05-02-2013 |
| 20130180893 | FAIMS APPARATUS AND METHOD COMPRISING AN ION SEPARATION CHANNEL OF HELICAL SHAPE - A method and apparatus for high resolution separation of ions based on their high field and low-field mobility properties is described. | 07-18-2013 |
| 20130256197 | FLOW CHANNEL DEVICE, PARTICLE SORTING APPARATUS, AND PARTICLE SORTING METHOD - A flow channel device includes a flow channel in which a fluid containing a particle flows, a plurality of branch channels branched from the flow channel, and an electrode unit. The electrode unit includes a first electrode having a first area and a second electrode having a second area different from the first area, and is configured to form a guide electrical field in the flow channel, which guides the particle to a predetermined branch channel out of the plurality of branch channels. The second electrode is opposed to the first electrode so that the flow channel is sandwiched between the first electrode and the second electrode. | 10-03-2013 |
| 20140076786 | Device for Removing Dirt and Short Fibers from a Fibrous Material - The invention relates to a method and a device for separating dirt and short fibers from a fiber material ( | 03-20-2014 |
| 20140262970 | SORTING APPARATUS AND SORTING METHOD - Provided is a sorting apparatus including: a flow channel device including a flow channel through which a fluid including particles flows and an operation electrode portion that causes a dielectrophoretic force to act on the particles in the flow channel; and a controller configured to detect characteristics of the particles flowing through the flow channel, generate a voltage signal by a pulse modulation using a square pulse based on the detected characteristics of the particles, and output the voltage signal to the operation electrode portion. | 09-18-2014 |
| 20140262971 | TUBULAR STRUCTURE COMPONENT WITH PATTERNED RESISTIVE FILM ON INTERIOR SURFACE AND SYSTEMS AND METHODS - The present invention relates to a component comprising a tubular structure having interior and exterior surfaces with the interior surface defining an interior passage through the tubular structure, said tubular structure extending longitudinally between opposed ends. The component also includes a resistive film bound to the interior surface of the tubular structure having a pattern configured so that when the resistive film is connected to an electrical source, an electric field is established within the interior passage with an electrical potential that differs along the length of the interior passage while each plane perpendicular to the length of the interior passage is equipotential. Also disclosed are a method of making the component, a charged particle transportation chamber system comprising the component, and a method of identifying and/or separating charged particles. | 09-18-2014 |
| 20150329699 | PHYSICAL COLORANTS FOR PLASTICS BASED ON THE CHRISTIANSEN EFFECT - Microsphere compositions containing a mixture of at least two materials with same or differing phases are described. The materials have differing optical dispersion curves that intersect at at least one particular wavelength exhibiting the Christiansen effect. The materials may be encompassed by a microsphere, which may also include a separation entity. | 11-19-2015 |
| 20160038950 | RAW MATERIAL SORTING APPARATUS AND METHOD THEREFOR - An apparatus for separating the main component constituting a raw material from impurities includes: a raw material supply unit for supplying a raw material; a charging unit for charging the raw material supplied from the raw material supply unit; an electrostatic sorting unit for sorting the raw material, which has been charged by the charging unit, according to polarity; and a storage unit for collecting the raw material sorted by and falling from the electrostatic sorting unit, wherein the charging unit includes a charging chamber having a space therein for charging the raw material supplied from the raw material supply unit, and a charging rotor rotatably provided in the charging chamber, for impacting the raw material supplied from the raw material supply unit by the rotating force, thus effectively separating the impurities such as ash and sulfur contained in a raw material, e.g. coal. | 02-11-2016 |
| 20160102254 | ELECTROSTATIC FILTRATION OF FINE SOLIDS FROM BITUMEN - Methods are provided for removing fine particles from crude oils extracted from mined oil sands using a non-aqueous extraction solvent. A bitumen derived from non-aqueous extraction of oil from oil sands can undergo optional physical separation to remove larger particles and then processed using electrostatic filtration to remove particle fines. This can allow for production of a bitumen product from a non-aqueous extraction process that has a sufficiently low particle content to be suitable for pipeline transport. | 04-14-2016 |
| 209127300 | With vibrating trough charging of particles | 1 |
| 20090065402 | Electrostatic Separation Method and Electrostatic Separation Device - [Object]The present invention provides an electrostatic separation method and an electrostatic separation device each of which, even in a case where the concentration of unburned components of coal ash produced by a boiler of a coal-fired power plant is as high as 15% to 30%, can stably separate the ash (into high unburned component ash and low unburned component ash) without generating spark, reuse the high unburned component ash as fuel, and reuse the low unburned component ash as, for example, an auxiliary material of concrete. [Means to Achieve the Object] | 03-12-2009 |
| 209127400 | Free fall type particle charging | 2 |
| 20130075308 | METHOD AND A DEVICE FOR SEPARATING PARTICLES OF A DETERMINED SYNTHETIC MATERIAL FROM PARTICLES OF DIFFERENT SYNTHETIC MATERIALS - A method for separating a granular synthetic material from a loose mass of various synthetic materials includes: conveying the granular mass along a trajectory having a rubbing surface subjecting the mass falling from the rubbing surface to an electrical field; and collecting at least one of the masses separated by the electrical field. The mass advances in a single layer on the rubbing surface, while maintaining the single layer contact with the rubbing surface, the rubbing surface being subjected to repeated acceleration in opposite directions in the plane of the rubbing surface, or tangential thereto to move the mass on the surface in order to improve the electrostatic charge. The rubbing surface is made of or clad with a material having intermediate triboelectric properties with respect to those of the granular mass, and is clad with a same material as that which it is intended to separate from the mass. | 03-28-2013 |
| 20140262972 | METALLIC AND SEMICONDUCTING CARBON NANOTUBE SORTING - A method of separating metallic semiconducting carbon nanotubes includes providing a source of a mixture of semiconducting and metallic carbon nanotubes in a carrier liquid with one of the semiconducting and metallic carbon nanotubes being functionalized to carry a charge. The mixture is pressurized to cause a liquid jet of the mixture to be emitted through a nozzle. A drop formation mechanism modulates the liquid jet to form from the jet first and second drops traveling along a path. An electric field modulating device, positioned relative to the jet, produces first and second electric fields. A deflection device applies the first electric field as the first drop is formed to concentrate the functionalized carbon nanotubes in the first drop and applies the second electric field as the second drop is formed. The deflection device causes the first or second drop to begin traveling along another path. | 09-18-2014 |
| 209129000 | Attracting | 7 |
| 20090152173 | SEPARATION SYSTEM FOR RECYCLABLE MATERIAL - A separation system includes an air separator that, in one embodiment, primarily receives Municipal Solid Waste (MSW) containing a mixture of relatively light MSW recyclable materials such as plastic, paper, cardboard, plastic containers, and/or metal containers and relatively heavy MSW such as textiles, food waste, yard debris, etc. The air separator blows the relatively light MSW recyclable materials up though a chamber and onto a first conveyor while the other relatively heavy MSW material drops down a chute onto a second conveyor. A separation screen receives the relatively light MSW recyclable materials from the air separator and separates the relatively flat fiber and plastic film materials from the other paper, plastic and metal containers. In another separation stage, an electrostatic emitter is positioned adjacent to a conveyor for applying an electrostatic charge to the fiber and plastic materials. The electrostatic charge causes at least some of the plastic materials to at least partially cling to the conveyor belt while being carried over an end of the conveyor so that the plastic materials do not drop out as far from the conveyor as the fiber materials. | 06-18-2009 |
| 20090194464 | High-Tension Electrostatic Separator Lifting Electrode - A lifting electrode for a high-tension electrostatic separator. The high tension electrostatic separator having a rotating drum that is connected to ground and an ionizing electrode that generates a corona discharge of charged ions. The lifting electrode comprising a composite of a non-conductive polymer impregnated with conductive particles. | 08-06-2009 |
| 20110272329 | DEVICE AND METHOD FOR SORTING OUT FINE PARTICLES FROM A PARTICLE MIXTURE - A method for sorting out fine particles from a particle mixture arranged on a surface of a support element wherein the particle mixture comprises particles of different sizes, in particular fine particles with a diameter of up to 1 mm, where the fine particles are at least partially sorted out from the particle mixture by means of an electrostatically charged separating element. | 11-10-2011 |
| 20130292303 | Handling And Sorting Materials Using Electroadhesion - A process for sorting materials using material-selective electroadhesive grippers is disclosed. At least one of an electroadhesive surface or a plurality of articles is manipulated such that multiple ones of the plurality of articles are at least intermittently proximate the electroadhesive surface. Voltage is applied to one or more electrodes in the electroadhesive surface to thereby cause the electroadhesive surface to selectively adhere to a subset of the plurality of articles based on the subset of the plurality of articles having different material properties than others of the plurality of articles. While the voltage is applied, the electroadhesive surface is moved with respect to the others of the plurality of articles to thereby separate the subset of the plurality of articles from the others of the plurality of articles. | 11-07-2013 |
| 20140091012 | Methods, Systems and Apparatus for Size-Based Particle Separation - A microfluidic device for size-based particle separation and methods for its use, where the microfluidic device comprises: (a) an inlet reservoir, where the inlet reservoir is configured for communication with an inlet electrode, (b) an insulator constriction coupled to the inlet reservoir via a microchannel, where the insulator constriction comprises an insulating material, and (c) a plurality of outlet channels each defining a first end and a second end, where the first end of each of the plurality of outlet channels is coupled to the insulator constriction, where the second end of each of the plurality of outlet channels is coupled to one of a plurality of outlet reservoirs, and where the plurality of outlet reservoirs are configured for communication with one or more outlet electrodes. | 04-03-2014 |
| 20140299517 | ELECTROSTATIC SYSTEM AND METHOD OF SORTING PLASTICS - Sorting and separation systems may use the inherent electrostatic properties of plastic as the basis for separating different types of plastics from one another. Plastics of different types may charge to different degrees when subjected to a charging event. By appropriately charging a collection unit, plastic components of one type of plastic may be separated from other plastic components by electrostatic attraction. | 10-09-2014 |
| 20150306605 | CONTINUOUS BELT FOR BELT-TYPE SEPARATOR DEVICES - An improved belt for use in a belt separation apparatus and an improved method to separate a particle mixture based on tribo-electric charging of particles is disclosed. The improved belt is particularly suitable for tribo-electric separation of particles that tend to accumulate on the edges of the belt separation apparatus and/or tend to compound, or blend, with the belt material. The improved belt comprises impermeable longitudinal edges, apertures interior to the longitudinal edges of the belt, and periodic notches formed in the longitudinal edges of the belt at periodic locations in the edge of the belt. | 10-29-2015 |
| 209131000 | Stratifying | 1 |
| 20110132812 | Separation and Manipulation of a Chiral Object - Among other things, to cause directional motion of chiral objects in a mixture in a chamber, a field is rotated relative to a chamber to cause rotation of the chiral objects. The rotation of the objects causes them to move directionally based on their chirality. | 06-09-2011 |
