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278 results about "Particle capture" patented technology
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Particle capture devices and methods of use thereof
ActiveUS20110045994A1Facilitate fluid communicationFacilitate communicationLibrary screeningLaboratory glasswaresChemical reactionSpecific chemical reaction
The present invention provides a device and methods of use thereof in microscale particle capturing and particle pairing. This invention provides particle patterning device, which mechanically traps individual particles within first chambers of capture units, transfer the particles to second chambers of opposing capture units, and traps a second type of particle in the same second chamber. The device and methods allow for high yield assaying of trapped cells, high yield fusion of trapped, paired cells, for controlled binding of particles to cells and for specific chemical reactions between particle interfaces and particle contents. The device and method provide means of identification of the particle population and a facile route to particle collection.
Owner:MASSACHUSETTS INST OF TECH +1
Blood processing apparatus with controlled cell capture chamber and method background of the invention
InactiveUS20070102374A1Large taperWater/sewage treatment by centrifugal separationCentrifugal force sediment separationHigh densityBlood component
A centrifuge for separating blood components, and methods for controlling the centrifuge. The apparatus has a fluid separation chamber having a first frustro-conical segment and a second frustro-conical segment. The second segment has a taper such that particles are subjected to substantially equal and opposite centripetal and fluid flow forces. A camera observes fluid flow, and a controller controls the flow. White blood cells are selectively captured within the second segment and are periodically flushed out of the fluid separation chamber. The camera is used to determine the quantity of particles captured. A limited quantity of high density particles, such as red blood cells, may be captured within the first segment before capturing relatively low density particles, such as white blood cells, within the second segment.
Owner:CARIDIANBCT
Particle capture devices and methods of use thereof
ActiveUS9201060B2Facilitate communicationLibrary screeningLaboratory glasswaresChemical reactionSpecific chemical reaction
Owner:MASSACHUSETTS INST OF TECH +1
Apparatus and method for separating magnetic particles
InactiveUS20060011552A1Reduce the amount requiredLimited amountMicrobiological testing/measurementWater/sewage treatment by magnetic/electric fieldsEngineeringFluid supply
An apparatus for separating a predetermined amount of magnetic particles in a fluid, including a fluid conveyance portion having at least a first flow channel for supplying a fluid containing the magnetic particles, a second flow channel for discharging the separated magnetic particles, and an intersection at which the first flow channel and the second flow channel intersect each other, a capture unit for capturing a predetermined amount of the magnetic particles in the fluid supplied from the first flow channel to the intersection when a magnetic field is applied to the intersection of the fluid conveyance portion, and a discharge unit for removing the magnetic field applied to the intersection to discharge the magnetic particles captured by the capture unit by way of a medium introduced into the second flow channel.
Owner:CANON KK
Liquid analysis cartridge
InactiveUS20060127275A1Rapidly and effectively reconstituteEasy to reorganizeFlow mixersTransportation and packagingStream flowDiluent
Owner:UNIV OF WASHINGTON
Sensor for nano gold particles and preparation method thereof
InactiveCN103630515ASimple structureReduce volumeMaterial analysis by optical meansFiberGold particles
The invention provides a sensor for nano gold particles and a preparation method thereof. The end surface of a multi-core optical fiber is of a conical-platform structure; a total-reflection film is plated on the surface of the conical platform; the nano gold particles which are distributed regularly are fixed on the end surface of the optical fiber plated with the total-reflection film; exciting light is injected into one fiber core of the multi-core optical fiber, is reflected to the end surface of the optical fiber at the film-plated position of the conical platform and generates total internal reflection on the end surface of the optical fiber, and a generated evanescent field excites a localized surface plasmon resonance effect of the nano gold particles; the reflected light is collected by the fiber core symmetrical to the fiber core injected with the exciting light, and the change of the physical quantity of external substances is sensed by the spectrum of the reflecting light. The sensor and the preparation method have the advantages that the multi-core optical fiber, a self-assembly technology of a near-field optical tweezer and the localized surface plasmon resonance effect of the nano gold particles are combined, and the near-field optical tweezer of the multi-core optical fiber can be utilized for capturing the nano gold particles, so that the optical self-assembly and regular distribution is carried out on the nano gold particles according to the distribution rule of the capturing areas; the structure is simple, the volume is smaller and the repeatability is high.
Owner:HARBIN ENG UNIV
Method for applying a low coefficient of friction coating
The present invention provides a composite coating and a method of preparing a composite coating resistant to galling and fretting. The coating is applied to a substrate and includes a mixture of hard carbide particles in an alloy matrix or oxides and solid lubricant particles captured in a binder. The coating is produced by using a thermal spray process to apply a powder containing both the hard face or oxide phases as well as the self lubricating phases. Thus, the applied coating of the present invention combines the benefits achieved with previous thermal spray coatings in terms of wear, abrasion, heat and corrosion with those afforded by solid lubricants. In addition, the coating of the present invention provides consistently distributed surface porosity to retain liquid lubricant on the coating surface.
Owner:SULZER METCO (US) INC
Oil injection combustion-supporting regeneration temperature control method for DPF diesel engine particle filter system
ActiveCN104454085APrevent agingAvoid breakingInternal combustion piston enginesExhaust apparatusTemperature controlLoop control
The invention discloses an oil injection combustion-supporting regeneration temperature control method for a DPF diesel engine particle filter system. The method comprises the steps that a DPF system temperature numerical value is collected through a temperature sensor in real time and transmitted to an electronic control unit, the electronic control unit is used for working out the fuel injection amount needed for adjusting the current temperature of a DPF into a target temperature through an open loop control algorithm and a closed loop PID control algorithm according to the temperature numerical value and transforming the fuel injection amount into a corresponding pulse width signal to drive a fuel control valve, the accurate control over the current fuel injection amount of a DOC catalyst is achieved, the exhaust temperature of an engine is controlled, and thus the temperature of the DPF is controlled. According to the method, the amount of fuel injected by the fuel control valve is controlled through open loop control and closed loop control, the flexible variable control over the temperature of the DPF diesel engine particle filter system in the regeneration process is achieved, it can be ensured that smoke particles captured in the DPF are combusted, and the phenomenon that the regeneration temperature is out of control, and consequently the DPF diesel engine particle filter system is aged and damaged can be avoided.
Owner:KAILONG HIGH TECH
Method and apparatus for treating, sorting and recycling oil-containing discharged catalyst
ActiveCN107597201AHigh oil removal efficiencyIncrease update rateCatalytic crackingDispersed particle separationEngineeringProduct gas
Owner:SHANGHAI HUACHANG ENVIRONMENT PROTECTION +1
System and method comprising same for measurement and/or analysis of particles in gas stream
InactiveUS20060172428A1Reduce impurityReduce pressureComponent separationWithdrawing sample devicesParticle counterImpurity
A system and method comprising same for measuring and analyzing particles within a gas feed stream. In one aspect, the system comprises a particle counter and a particle capture filter that are arranged in parallel. In another aspect, the system comprises a purifying device to remove trace molecular impurities from a gas feed stream to reduce the presence of impurities.
Owner:VERSUM MATERIALS US LLC
Sintered fiber filter
ActiveUS20090165651A1Efficient removalLower overall pressure dropDispersed particle filtrationCeramic shaping apparatusPorosityMetal fiber
Sintered fiber filters are provided that can afford high particle capture efficiency and / or low pressure drop during operation, and are useful in applications such as semiconductor processing. The shape of at least a portion of the individual fibers (e.g., metal fibers) used to make the filter have a three-dimensional aspect, which allows for a low packing density and high porosity filtration media. Certain filters have a cylindrical or tube-like shape with tapered ends of higher density. Methods of making such filters, for example, using axial pressing, are also described.
Owner:MOTT CORP
Particle accelerator having wide energy control range
InactiveUS7208889B2Varying amountReduced strengthStability-of-path spectrometersLaser detailsParticle acceleratorEnergy control
A particle accelerator system for producing a charged particle beam having pulses of charged particles that have different energy levels from pulse to pulse. The system enables independent adjustment of the RF power delivered to first and second accelerating sections thereof without adjustment of the RF power generated by an RF source. Such independent adjustment enables the RF power provided to the first accelerating section to be maintained at a level appropriate for optimal particle capturing therein and for producing a tightly bunched beam of particles having different energy levels from pulse to pulse, while enabling the RF power provided to the second accelerating section to be varied in order to vary the energy levels of the charged particles of the charged particle beam from pulse to pulse.
Owner:SCANTECHIBS IP HLDG
Method of forming and separately exporting single particle wrapped drop in micro-fluidic chip
ActiveCN109772480ALittle effect on activityFast screening and removalLaboratory glasswaresBiomass after-treatmentEngineeringMechanical engineering
The invention provides a micro-fluidic chip capable of being used for single particle screening and forming drop wrappage for exporting. The micro-fluidic chip comprises at least one sample channel and at least one oil reservoir. The micro-fluidic chip is connected with a liquid sample introduction device to form a micro-fluidic chip device for forming a single particle wrapped drop, and the micro-fluidic chip device and a particle capture device can further form a microfluidic operating system capable of being used for forming the single particle wrapped drop. The invention further provides amethod of forming and separately exporting the target single particle wrapped drop in the micro-fluidic chip.
Owner:青岛星赛生物科技有限公司
Porous multi-layer hollow fiber, filtering moudle and method for producing porous multi-layer hollow fiber
InactiveCN1507939AAvoid enteringNo cloggingSemi-permeable membranesThin material handlingFiberParticle trapping
A porous multilayered hollow fiber for outer side pressed filtration is made of a multilayer comprising a supporting layer constituted of the thickness of an expanded porous polytetrafluoroethylene tube, and a filtration layer provided on the outer surface of the supporting layer, wherein pores surrounded by fibrous frameworks in the filtration layer are smaller than those of the supporting layer, and the mean of the maximum fibril length (L) of the fibrous frameworks surrounding each pore in the outer surface of the filtration layer is designed to be small such that (X) and (Y) fall within the range on the XY plane, where (X) is a particle diameter of particles captured when the particle trapping ratio is equal to or more than 90% in the case where the filtration is done under an elevated pressure of 0.1 MPa, and (Y) is a value designated as RFL obtained by dividing (L) by (X). Thus, the degradation of flow rate due to the elapse of time can be prevented, since solid particles to be separated do not enter into pores, and dogging and blockade of the pores do not occur even in the case of filtering a solution of high turbidity. As a result, it is possible to recover filtration property easily by performing back-wash reverse filtration and to maintain excellent filtration property for a long time.
Owner:SUMITOMO ELECTRIC IND LTD
An apparatus and method for particulate capture from gas streams and a method of removing soluble particulate from a gas
ActiveUS20160303502A1Reduce concentrationUrea derivatives preparationOrganic compound preparationHigh concentrationParticulates
Disclosed is a method for the removal of soluble particulate matter from a gas stream, such as urea dust from the off-gas of a finishing section of a urea production plant. The method comprises subjecting the off-gas to at least two quenching stages an aqueous quenching liquid. The quenching liquid used in a first, upstream quench stage, is allowed to have a higher concentration of dissolved particulate matter than the quenching liquid in the second, downstream quench stage. The quenched gas is led through a particle capture zone, typically comprising one or more of a wet scrubber, a Venturi scrubber, and a wet electrostatic precipitator.
Owner:STAMICARBON BV
Operation instrument for optical tweezers
InactiveCN103676126AControl movementExpand the capture rangeRadiation/particle handlingMicroscopesPlane mirrorDisplay device
The invention relates to an operation instrument for optical tweezers. The operation instrument comprises a laser source, a convex lens, a plane mirror, a two-tone spectroscope, optical wedges, a focusing objective lens, a sample table, a sample pool, an illuminating light source and a CCD camera. Light beams are emitted by the laser source, expanded and shaped by a light beam coupler, and then are converged and irradiated by the plane first mirror, the two-tone spectroscope, the two deflection optical wedges and the focusing objective lens into the sample pool to capture target particles, the first optical wedge and the second optical wedge are driven by a motor to deflect around the Y axis and the X axis respectively in an orthogonal mode, the deflection angle can be measured through an angle sensor, the deflection of the light beams is controlled, and the target particles are moved; the particle capturing and moving process can be visually acquired through the CCD camera and a displayer. When the particles move in the plane parallel to the XOY plane, the sample pool does not need to move, namely, the particles are not affected by external vibration in the moving process; in addition, due to the fact that the two orthogonal deflection optical wedges can achieve the light beam deflection hundredfold-order reduction ratio, the deflection directions of the light beams can be accurately controlled, and the light beams can capture the particles accurately and carry the particles to move firmly.
Owner:TONGJI UNIV
Flue gas desulfurization dust and mist removal method
InactiveCN105013311AReduce material requirementsLow investment costCombination devicesCycloneFlue gas
The present invention provides a flue gas desulfurization dust and mist removal method, a desulfurization medium is an alkaline liquid; a desulfurization tower bottom zone liquid enters respectively from absorption reaction zone bottom and upper parts into a desulfurization tower, a circulating fluid entering from the bottom part is atomized into small liquid drops, parallelly flows with fuel gas, and meanwhile complete sulphide absorption reaction with the countercurrent circulating liquid; by use of alkaline liquid small liquid drop parallel flow capture and venturi particle capture two-level dust removal, and arrangement of surface coalescing and multi-stage cyclone for mist removal, flue gas purification can be achieved.
Owner:QINGDAO JINGRUN PETROCHEM ENG
Method for preparing silicon dioxide (SiO2) aerogel with continuous density gradient
InactiveCN102030337ALarge density differenceFormed structure is completeSilicaSupercritical dryingThermal insulation
The invention provides a method for preparing silicon dioxide (SiO2) aerogel with continuous density gradient. The method comprises the following steps of: mixing precursor sol with high target density and precursor sol with low target density continuously by using tetraethoxysilane as an organic silicon source, by adopting a continuous forming process and by automatically designing and constructing a density gradient mixed forming device so as to obtain SiO2 sol with continuous density gradient; standing to gelate; and preparing the SiO2 aerogel with continuous density gradient by an aging replacement process and a supercritical drying process. The physical property of the SiO2 aerogel is in gradient distribution along with the change of density, so the application range is widened. The SiO2 sol with continuous density gradient prepared by the method has the characteristics of large density gradient, complete forming structure, continuous distribution of density, simpleness, convenience and controllability of preparation process and the like, so the SiO2 sol can be applied in the fields of space particle capture for aerospace, research on impact wave characteristics for an inertial confinement fusion test, acoustic resistance anti-gradient matching application, high-resolution Cerenkov detectors, high-vacuum thermal insulation materials and the like.
Owner:TONGJI UNIV
Method and device for generating radial polarized array beam
InactiveCN105589203AHigh practical research valueImprove work efficiencyOptical elementsLight beamOptical polarization
The invention relates to a method and a device for generating a radial polarized array beam. The method comprises the steps of performing spatial polarization regulation and control on linearly polarized laser, thereby obtaining a radial polarized beam; reducing spatial association characteristic of the radial polarized beam, and obtaining a radial polarized Gaussian-Schell model beam of which the spatial association characteristic accords with Gaussian distribution; regulating the association characteristic of the radial polarized Gaussian-Schell model beam by means of a two-dimensional comb-shaped function, and obtaining a Gaussian array association radial polarized beam; and after the Gaussian array association radial polarized beam is focused by a thin lens, and obtaining the radial polarized array beam at a focus point. Compared with a single-mode beam, the radial polarized array beam generated through the method and the device has advantages of greatly improving working efficiency in application fields such as particle capture and high-density storage, and realizing high research value.
Owner:NANJING UNIV OF SCI & TECH
Sintered fiber filter
ActiveUS8097071B2High efficiency removal of particulateHigh porosityDispersed particle filtrationCeramic shaping apparatusPorosityHigh density
Sintered fiber filters are provided that can afford high particle capture efficiency and / or low pressure drop during operation, and are useful in applications such as semiconductor processing. The shape of at least a portion of the individual fibers (e.g., metal fibers) used to make the filter have a three-dimensional aspect, which allows for a low packing density and high porosity filtration media. Certain filters have a cylindrical or tube-like shape with tapered ends of higher density. Methods of making such filters, for example, using axial pressing, are also described.
Owner:MOTT CORP
Automatic cleaning system for filtration of an air circulation system
InactiveUS20070095027A1Dispersed particle filtrationTransportation and packagingFiltrationFilter system
An automatic cleaning system for a filtration system of an air delivery system is disclosed. The automatic cleaning system includes a filter constructed of a fine mesh material. The filter is mounted within a track running the width of the filter. An air intake device is mounted in the track and is driven along the track by a motor. The air intake device provides suction to remove particles captured by the filter within the air delivery system. The air intake device stores the removed particles in a collection tank. The automatic cleaning system may be utilized in an air conditioning unit having a filter or a clothes dryer having a lint tray.
Owner:RUTH VENDING
Method for coating active component cellular carrier
A process for coating the active component on the cellular carrier having particles capturing function includes such steps as standing the cellular carrier vertically, spraying the active component slurry on its top end while applying vacuum (0-85 KPa) to its bottom end, turning said cellular carrier over by 180 deg., repeating above steps, turning the carrier over by 180 deg to release the excess slurry, and drying.
Owner:CHINA PETROLEUM & CHEM CORP +1
Particle capturing and releasing device based on bulk acoustic wave excitation and moving bubbles
ActiveCN107583696AThe output energy density is smallDirectional movement controllableFlexible member pumpsLaboratory glasswaresPiezoelectric actuatorsAcoustic radiation force
The invention discloses a particle capturing and releasing device based on bulk acoustic wave excitation and moving bubbles. The particle capturing and releasing device based on bulk acoustic wave excitation and moving bubbles can be used in fields such as life engineering, medical science, micro assembly, and chemical analysis, and comprises a micro-fluidic upper chip, a PDMS membrane, a piezoelectric actuator, a glass substrate, and a magnet exciting coil; the micro-fluidic upper chip is provided with a liquid inlet, a main runner, a side runner, and a liquid outlet; when particles are captured by bubbles successively, the particles are stored in the side runner, and are released back into the main runner based on requirements. The particle capturing and releasing device is prepared viamicro machining, bulk acoustic wave generated by the piezoelectric actuator is capable of exciting bubbles in the runners to perform radial vibration, and radial vibration of the bubbles is capable ofacoustic radiation force on nearby particles, so that particle capturing is realized. Expansion of the volume of paraffin is capable of providing the PDMS membrane with force so as to realize deformation of the PDMS membrane, the pressure in the side runner is changed, the positions of the bubbles carrying the particles in the side runner are controlled, and particle moving is realized.
Owner:BEIJING UNIV OF TECH
System and method comprising same for measurement and/or analysis of particles in gas stream
Owner:VERSUM MATERIALS US LLC
Anisotropic conductive adhesive tape and adhesive tape roll, binding structure and display apparatus
ActiveCN107452438AImprove number uniformityReduced risk of poor bonding processNon-insulated conductorsFilm/foil adhesivesAnisotropic conductive adhesiveEngineering
The invention provides an anisotropic conductive adhesive tape and adhesive tape roll, a binding structure and a display apparatus, relates to the technical field of display, and can improve uniformity of the number of conductive particles captured by an electrode, lower risk of poor binding process of a display module, and improve product yield. The anisotropic conductive adhesive tape comprises an insulating adhesive layer and capsule structures scattered in the insulating adhesive layer in preset regions, wherein the insulating adhesive layer comprises multiple preset regions which are arranged at intervals and are corresponding to to-be-bound electrodes; and the capsule structures are used for realizing conductive connection perpendicular to the direction of the adhesive tape surface when the anisotropic conductive adhesive tape suffers from pressure in a direction perpendicular to the adhesive tape surface, wherein the number of the capsule structures in each preset region is greater than a preset number.
Owner:BOE TECH GRP CO LTD +1
Brake Assembly with Particle Capture
InactiveUS20150122601A1Performance is not affectedEasy to integrateAxially engaging brakesBraking elementsImpellerParticle capture
Nonpolluting brake assembly comprising a rotor, a pad comprising friction material capable of releasing particles resulting from abrasion, an autonomous suction device for drawing off said particles which comprises an intake opening arranged in the immediate vicinity of the pad and the rotor, a collection chamber for collecting the particles, an impeller driven by the rotor by means of a roller pressing on the rotor, for drawing off the particles through the opening and propelling them into the collection chamber, such that the particles are trapped as close as possible to their emission.
Owner:TALLANO TECH
Emission aftertreatment system and method applied to gasoline engine
InactiveCN106762040AEasy to handleConvert faster and more efficientlyInternal combustion piston enginesExhaust apparatusEngineeringTreatment system
The invention discloses an emission aftertreatment system and method applied to a gasoline engine and relates to the field of tail gas treatment. The emission aftertreatment system comprises a three-way catalysis device, a particle capturing device, an electric heating device and a control module. A carrier in the three-way catalysis device is a metal carrier and is arranged behind an exhaust manifold in an engine room. The particle capturing device is installed at the outlet end of the three-way catalysis device. A filter element of the particle capturing device is formed by ceramic, and the surface of the ceramic is coated with a precious metal catalyst. The electric heating device is fixed to the outer surface of the three-way catalysis device and is used for heating the three-way catalysis device. The control module is connected with an electric heating module and is used for controlling the electric heating device. The invention further provides a corresponding method. The emission aftertreatment system applied to the gasoline engine is adopted, by means of reasonable arrangement of the three-way catalysis device and the particle capturing device and reasonable control over the electric heating device, the treatment capacity of the emission aftertreatment system is improved, and the pollutant emission is reduced.
Owner:NINGBO GEELY ROYAL ENGINE COMPONENTS
System and method for classification of particles in a fluid sample
ActiveUS20150347817A1Simple and reliable processThe process is simple and fastImage enhancementImage analysisControl systemOptical axis
A particle classifier system and a method of training the system are described. The particle classifier system is suitable for classification of particles in a liquid sample, said particle classifier system comprises—an optical detection assembly comprising at least one image acquisition device with an optical axis, the image acquisition device is configured to acquire images of an image acquisition area perpendicular to said optical axis; —a sample device comprising at least one sample container suitable for holding a sample in liquid form; —a translating arrangement configured to translate said image acquisition area through at least a part of said sample container; —a control system configured to controlling said optical detection assembly and said translating unit to acquire images of a plurality of image acquisition areas; —an image analyzing processing system programmed to analyze said acquired images by a method comprising creating objects (sub-images) of individual particles captured by said acquired images, creating stacks of objects of each individual particle, identifying complete stacks of objects comprising at least one object wherein said particle is in-focus, and two objects wherein said particle is out-of-focus, and determining, for each of said complete stacks of objects, a set of values for a set of features of at least N features, wherein N is larger than or equal to 1, and wherein the determination of said values of said set of features involve data obtained from said at least one object wherein said particle is in-focus, and / or said at least two objects wherein said particle is out-of-focus; and —an artificial intelligent processing system programmed to associate said set of values for said determined set of features for each individual particle to a particle classification.
Owner:KONINKLJIJKE PHILIPS NV
Gradient type anisotropic conductive film and manufacturing method thereof
ActiveCN101877335AIncrease capture rateAvoid lateral conductionSemiconductor/solid-state device detailsSolid-state devicesAnisotropic conductive filmParticle density
The invention discloses a gradient type anisotropic conductive film and a manufacturing method thereof. The gradient type anisotropic conductive film comprises a plurality of adhesive material layers, and each adhesive material layer has different conducting particle densities. The manufacturing method comprises the following steps of: firstly manufacturing the adhesive material layers with different conducting particle densities, and then assembling the adhesive material layers in a stack mode; or firstly coating raw adhesive material layers to which no conducting particles are added, then spraying the conducting particles to be embedded into the raw adhesive material layers in an ink jet method to form the adhesive material layers, repeating the step and changing ink jet pressure so as to form the multi-layered gradient type anisotropic conductive film. The manufacturing method not only reduces the addition quantity of the conducting particles, but also increases particle capture rate and excellent product rate.
Owner:ULTRA -PAK INDS
Wafer container door with particulate collecting structure
InactiveUS7325698B2Reduce contaminationEliminate the effects ofClosure with auxillary devicesSemiconductor/solid-state device manufacturingParticulatesEngineering
A substrate container having an enclosure with an access opening for inserting and removing substrates into an interior of the enclosure and a door chassis that is configured to selectively enclose the opening, the door chassis comprising a first wall having a peripheral wall extending therefrom. The substrate container includes a latch mechanism that is operably coupled with the chassis, the latch mechanism configured to operably secure the chassis to the opening. The door of the substrate container includes a textured particle capture region wherein particles generated by the latch mechanism and elsewhere are captured by the particle capture region.
Owner:ENTEGRIS INC
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