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8490results about "Wet separation" patented technology
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Peer-to-Peer Redundant File Server System and Methods
InactiveUS20090271412A1Digital data information retrievalMultiple digital computer combinationsHash functionFile system
Peer-to-peer redundant file server system and methods include clients that determine a target storage provider to contact for a particular storage transaction based on a pathname provided by the filesystem and a predetermined scheme such as a hash function applied to a portion of the pathname. Servers use the same scheme to determine where to store relevant file information so that the clients can locate the file information. The target storage provider may store the file itself and / or may store metadata that identifies one or more other storage providers where the file is stored. A file may be replicated in multiple storage providers, and the metadata may include a list of storage providers from which the clients can select (e.g., randomly) in order to access the file.
Owner:OVERLAND STORAGE
Water-absorbent resin powder and its production process and use
The present invention provides a water-absorbent resin powder and its production process and use, wherein the water-absorbent resin powder has high liquid permeability and high water absorbency. The production process for a water-absorbent resin powder, according to the present invention, comprises the step of obtaining water-absorbent crosslinked polymer particles by an aqueous solution polymerization step, and grinding the resultant crosslinked polymer particles until the bulk density thereof increases to not lower than 0.72 (g / ml). The water-absorbent resin powder is characterized by being arbitrarily pulverized and having a bulk density of not lower than 0.74 (g / ml) and a water absorption capacity of not lower than 20 (g / g) for 0.9 weight % physiological saline under a load of 0.7 psi (4.83 kPa). In addition, the absorbent structure comprises the above water-absorbent resin powder and a fibrous material. The absorbent article comprises an absorbent layer including the above absorbent structure.
Owner:NIPPON SHOKUBAI CO LTD
User interface and anti-phishing functions for an anti-spam micropayments system
ActiveUS20060075028A1Control contentEffective controlMultiple digital computer combinationsFlotationTrademarkSpamming
Owner:ICONIX INC
Systems and methods for particle focusing in microchannels
ActiveUS8186913B2Improve concentrationEvenly distributedImmobilised enzymesSolvent extractionSuspended particlesEngineering
Owner:THE GENERAL HOSPITAL CORP
Compactor Feeder
A compactor feeder and methods for feeding relatively low-density biomass materials into a grinding device (such as a hammer mill) is described. The compactor feeder increases the density of the relatively low-density biomass materials in order to fill the grinding device with the biomass materials at a rate that is sufficient to substantially equal the design capacity of the grinding device.
Owner:SURE CHAMPION INVESTMENT LTD
Method and apparatus for separating particles by size
InactiveUS7108137B2Easy to manufactureLow costWater/sewage treatment with mechanical oscillationsParticle size analysisUltrasonic radiationHigh pressure
A method and apparatus for separating a mixture of particles of various sizes in a capillary tube into groups by size using multiple forces of controlled amplitude. Ultrasonic radiation at a first selected frequency is applied to set up a standing pressure wave in the capillary tube, resulting in a first aggregating force which causes particles of all sizes to aggregate at positions within the capillary tube which correspond to nodes or anti-nodes of the standing wave. Transverse vibrations are also applied to the capillary tube. The frequency of the ultrasonic radiation is adjusted to reduce the magnitude of the first aggregating force. Inertial forces resulting from the transverse vibrations then cause the particles to separate by size. The apparatus and method allows a mixture of particles to be separated by size quickly, without requiring the use of high voltages.
Owner:WISCONSIN ALUMNI RES FOUND
Method and apparatus for sorting particles
InactiveUS7157274B2Low costImprove sorting rateBioreactor/fermenter combinationsBiological substance pretreatmentsParticle sortingComputer module
A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The particle sorting system may further include a buffer for absorbing the pressure pulse. The particle sorting system may include a plurality of closely coupled sorting modules which are combined to further increase the sorting rate. The particle sorting system may comprise a multi-stage sorting device for serially sorting streams of particles, in order to decrease the error rate.
Owner:CYTONOMEST
Electrowetting electrode device with electromagnetic field for actuation of magnetic-bead biochemical detection system
InactiveUS20050056569A1Reduce dissipationEnhanced magnetic forceMaterial thermal conductivityMicrobiological testing/measurementElectricityMagnetic bead
A detecting device for biochemical detections is provided. The detecting device includes a first substrate, a magnetic layer located on the first substrate, an isolation layer located on the magnetic layer, at least a first electrode located on the isolation layer, a first dielectric layer located on the first electrode, a first hydrophobic layer located on the first dielectric layer, a second substrate, at least a second electrode located on the second substrate and having a cathode and an anode, a second dielectric layer located on the second electrode and a second hydrophobic layer located on the second dielectric layer. The first electrode is zigzag-shaped, and the cathode and the anode of the second electrode are comb-shaped and interlaced with each other.
Owner:NATIONAL TSING HUA UNIVERSITY +1
Processes for recovery of corn germ and optionally corn coarse fiber (pericarp)
Owner:THE BOARD OF TRUSTEES OF THE UNIV OF ILLINOIS +1
Trailer mounted mobile apparatus for dewatering and recovering formation sand
InactiveUS7240681B2Prevent leakageElectrostatic cleaningMultistage water/sewage treatmentDrive wheelHigh pressure water
An apparatus for removing formation sand from an oil storage tank. The apparatus is mounted to a truck towable trailer so that it may be transported to remote sites. Mounted to the truck towable trailer is a container adapted to accept and dewater a sand-water slurry pumped from the oil storage tank. The slurry is formed by injecting high pressure water from a water reservoir mounted to the truck towable trailer into the approximate centre of mass of the formation sand by way of a pipe having a nozzle generating a spherical spray pattern within the slurry. The pipe is forced into the slurry by way of a two counter-rotating drive wheels in frictional contact with the pipe. Included in the apparatus is a bifurcated conduit adapted for attachment to the storage tank drain port adapted for the injection of high pressure through one branch of the conduit and withdrawal of slurry from the other branch and into the container by way of a slurry pump. The dewatering of the slurry takes place by a plurality of screen filters mounted to the bottom, side and front inside walls of the container. Oil and water extracted from the slurry is recycled back into the storage tank for later removal and treatment. All pumps and conduits are mounted to the truck towable trailer so that the apparatus is self-contained.
Owner:SAIK LARRY
Particle separation and concentration system
This invention is based on size and mass separation of suspended particles, including biological matter, which are made to flow in a spiral channel. On the spiral sections, the inward directed transverse pressure field from fluid shear competes with the outward directed centrifugal force to allow for separation of particles. At high velocity, centrifugal force dominates and particles move outward. At low velocities, transverse pressure dominates and the particles move inward. The magnitudes of the two opposing forces depend on flow velocity, particle size, radius of curvature of the spiral section, channel dimensions, and viscosity of the fluid. At the end of the spiral channel, a parallel array of outlets collects separated particles. For any particle size, the required channel dimension is determined by estimating the transit time to reach the side-wall. This time is a function of flow velocity, channel width, viscosity, and radius of curvature. Larger particles may reach the channel wall earlier than the smaller particles which need more time to reach the side wall. Thus a spiral channel may be envisioned by placing multiple outlets along the channel. This technique is inherently scalable over a large size range from sub-millimeter down to 1 μm.
Owner:XEROX CORP
Peer-to-peer redundant file server system and methods
InactiveUS8296398B2Digital data information retrievalMultiple digital computer combinationsHash functionFile system
Owner:OVERLAND STORAGE INC
Leaves and seeds hand grinder
A grinder includes a grinder housing having a grinder actuator, a first grinding plate, a second grinding plate and a detachable coupling arrangement. The first grinding plate is detachably coupling with the grinder actuator, wherein the first grinding plate has a plurality of first grinding knifes downwardly and spacedly extended from a bottom side of the first grinding plate. The second grinding plate has a plurality of second grinding knifes upwardly and spacedly extended from the top side of the second grinding plate at a position that the first and second grinding knifes are spacedly disposed within a grinding compartment, such that when the grinder actuator is turned with respect to the grinder base to drive the first grinding plate to rotate, the first and second grinding knifes are correspondingly moved within the grinding compartment to provide a grinding action.
Owner:BAO FAN
Electrowetting electrode device with electromagnetic field for actuation of magnetic-bead biochemical detection system
InactiveUS7189359B2Reduce dissipationEnhanced magnetic forceMaterial analysis by electric/magnetic meansLaboratory glasswaresElectricityMagnetic bead
Owner:NATIONAL TSING HUA UNIVERSITY +1
Apparatus and method for continuous particle separation
The invention is directed to an apparatus and a method of separating particles, such as cells, from a heterogeneous fluid, such as blood, where the particles have a large range of sizes.
Owner:THE TRUSTEES FOR PRINCETON UNIV
Spiral Microchannel Particle Separators, Straight Microchannel Particle Separators, and Continuous Particle Separator and Detector Systems
A spiral microchannel particle separator includes an inlet for receiving a solution containing particles, at least two outlets, and a microchannel arranged in a plurality of loops. Particles within a solution flowing through the spiral microchannel experience a lift force FL and a Dean drag force FD. The spiral radius of curvature R and the hydraulic diameter Dh of the spiral microchannel are such that for a flow rate U of the solution, the lift force FL and a Dean drag force FD are approximately equal and act in opposite directions for particles of a first size. The particles of the first size are focused in a single stream located at an equilibrium position near an inner wall of the microchannel. In another embodiment, a straight microchannel particle separator separates particles by modulating shear rates via high aspect ratios that focuses particles of a first size along two first walls.
Owner:UNIVERSITY OF CINCINNATI
Apparatus and method for continuous particle separation
Owner:THE TRUSTEES FOR PRINCETON UNIV
Device and method for separation
InactiveUS20040069717A1Raise the possibilityHigh particle separationOther blood circulation devicesHaemofiltrationElectricityEngineering
The present invention provides a device and a method for separating particles from fluids using ultrasound, laminar flow, and stationary wave effects comprisinga micro-technology channel system with an integrated branching point or branching fork, and a single ultrasound source. One of the characteristics of the invention is that the single ultrasound source, which generates the standing waves, excites the complete structure including the channel system. No special reflectors or the like are needed. Extremely thin dividers can separate the flow, thereby enhancing the effectiveness of the device. The device could be manufactured in silicon and the ultrasound energy could preferably be delivered by a piezoelectric element.
Owner:ERYSAVE
Method and apparatus for sorting particles
InactiveUS20050183995A1Low costImprove sorting rateValve arrangementsCircuit elementsParticle sortingEngineering
A method and apparatus for sorting particles moving through a closed channel system of capillary size comprises a bubble valve for selectively generating a pressure pulse to separate a particle having a predetermined characteristic from a stream of particles. The particle sorting system may further include a buffer for absorbing the pressure pulse. The particle sorting system may include a plurality of closely coupled sorting modules which are combined to further increase the sorting rate. The particle sorting system may comprise a multi-stage sorting device for serially sorting streams of particles, in order to decrease the error rate.
Owner:CYTONOMEST
Dissimilar materials sorting process, system and apparata
InactiveUS20070187299A1Improve uniformityUnified operationGas current separationSolid waste disposalElectricityMagnetic separator
An automated system for sorting dissimilar materials, and in particular for sorting plastics from other materials and for sorting different types of plastics from one another comprises, depending upon the embodiment, combinations of a sizing mechanism, a friction separation, an air separator, a magnetic separator, a dielectric sensor sortation bed, shaker screening, a ballistic separator, an inductive sensor sortation system and a float / sink tank. The dielectric sensor sortation system may be either analog or digital, depending upon the particular implementation. One or more float / sink tanks can be used, depending upon the embodiment, each with a media of a different specific gravity. The media may be water, or water plus a compound such as calcium chloride. In addition, multiples of the same general type of module can be used for particular configurations. A heavy media system or a sand float process can be used either alternatively or additionally.
Owner:VALERIO THOMAS A
Powder recycling system
ActiveUS20150298397A1More user-friendlyCost-effectiveAdditive manufacturing apparatusGas current separationParticulatesPressure generation
A powder recycling system includes a powder feeder, a remaining powder collector, a bridge breaker, a block powder filter, a cyclone separator, a particulate filter cleaner, an air pressure generation device and an electrostatic precipitator. The powder feeder provides a construction powder to a construction platform. The remaining powder collector for collects the remaining powder. The cyclone separator is used to separate the large-size powdery particles and the small-size powdery particles of the remaining powder from each other through a rotating gaseous stream. The large-size powdery particles fall down to the powder feeder due to gravity, and the small-size powdery particles of the remaining powder is removed from the rotating gaseous stream and transmitted to the particulate filter cleaner. After the small-size powdery particles of the remaining powder are filtered by the particulate filter cleaner, the suspended small-size powdery particles are transmitted to the electrostatic precipitator.
Owner:MICROJET TECH
Beneficiation method for recycling specularite
InactiveCN101428248AReduce consumptionReduce the number of equipmentDifferential sedimentationFlotationIronstoneSlag
Owner:SINOSTEEL MAANSHAN INST OF MINING RES
Device and Method For Particle Manipulation in Fluid
InactiveUS20100193407A1Water/sewage treatment with mechanical oscillationsLaboratory glasswaresPlanar substrateEngineering
A device for manipulating particles present in a fluid medium is disclosed. The device comprises a planar substrate, formed with at least one primary microchannel to allow passage of the fluid medium therethrough. The primary microchannel(s) has walls and a base and being in fluid communication with a plurality of secondary microchannels via at least one branching point. The device further comprises one or more ultrasound transmission pairs, positioned at opposite sides of the walls to generate ultrasound waves propagating through the fluid medium, substantially parallel to the planar substrate, such as to form a standing wave within the primary microchannel.
Owner:YEDA RES & DEV CO LTD
Cyclone separator having a variable longitudinal profile
InactiveUS6277278B1Reduce the numberEasy to separateReversed direction vortexDispersed particle filtrationCycloneEngineering
Owner:OMACHRON INTPROP
Method for sorting and comprehensively using urban mixed garbage
InactiveCN102671928AStructural innovationRealize full mechanizationBio-organic fraction processingSolid waste disposalRefuse-derived fuelPulp and paper industry
Owner:SICHUAN CRUN ENVIRONMENTAL PROTECTION ENERGY TECH CO LTD +1
Separation of single wall carbon nanotubes
ActiveUS20030168385A1Good solubilization effectImproved size fractionationSievingMaterial nanotechnologySemiconductorNanotube
A method has been developed for the post-synthesis separation of nanotubes by size and / or type. Solubilized, functionalized nanotubes are passed over a GPC column such that length-separated fractions are collected. These length-separated fractions can then further be separated by diameter or type. Particularly useful are methods for separating nanotubes into metallic and semiconducting fractions.
Owner:UNIV OF CONNECTICUT
Portable baby bottle blender
ActiveUS20110024537A1Simple and inexpensive to manufactureEasy to useFeeding-bottlesTeatsCouplingEngineering
A portable baby bottle blender includes a baby bottle having a top collar with external threads and a bottom collar with external threads. A top cap has a central aperture. The top cap is internally threaded to be removable threaded onto the top collar of the baby bottle and holds a feeding nipple extending through the central aperture of the top cap onto the top collar. A sealing O-ring fits onto the bottom collar of the baby bottle. A bottom cap has a rim internally threaded. An agitating unit is centrally retained within the bottom cap. When the rim of the bottom cap is removably threaded onto the bottom collar of the baby bottle and against the sealing O-ring, the agitating unit extends into the bottom collar of the baby bottle. A base member has a top recess to receive the bottom cap on the baby bottle therein. A spur-crown gear coupling is for operating the agitating unit, so that the mixing blade assembly mixes formula within water placed through the top collar of the baby bottle.
Owner:EASY PARENTS
Apparatus and method for efficient estimation of the energy dissipation of processor based systems
ActiveUS8397088B1Maintain working temperatureImprove energy efficiencyEnergy efficient ICTDigital data processing detailsOperational systemProcessor register
A system and method of scheduling tasks, comprising receiving activity and performance data from registers or storage locations maintained by hardware and an operating system; storing calibration coefficients associated with the activity and performance data; computing an energy dissipation rate based on at least the activity and performance data; and scheduling tasks under the operating system based on the computed energy dissipation rate.
Owner:THE RES FOUND OF STATE UNIV OF NEW YORK
Passenger location information system, portable information terminal, and server
ActiveUS20060041374A1Reduce the impactEasy to receive informationInstruments for road network navigationData processing applicationsMobile phoneInformation system
The present invention provides a passenger location information system that provides information on the current location of a user during a trip in real time and in a mode suitable for each user. A configuration is provided in which passenger location information, at least including information on the ends (station, stop, etc.) of a transportation line interval in which a portable information terminal is located, is output at a predetermined time on a user terminal 1 such as a mobile phone terminal connectable to a network. In addition, using notification means such as a ringing tone or a vibrator, the user terminal 1 notifies the user, under a condition set by the user in advance, that the user is approaching a destination to prevent the user from riding past a destination due to dozing.
Owner:LENOVO INNOVATIONS LTD HONG KONG
Biopolymer extraction from plant materials
Disclosed is a method and apparatus for the extraction of high molecular weight biopolymers from plants. Specifically, invention described herein relates to the commercial processing of plant material, including that from desert plants native to the southwestern United States and Mexico, such as the guayule plant (Parthenium argentatum), for the extraction of biopolymers, including natural rubbers. More specifically, the invention relates to laboratory to commercial scale extraction of high molecular weight biopolymers from plant materials including the chemical and mechanical processing of the plants and purification of the extracted biopolymer.
Owner:YULEX LLC
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