| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 209208000 | Grading deposition | 13 |
| 20090014360 | SYSTEMS AND METHODS FOR PARTICLE FOCUSING IN MICROCHANNELS - Various systems, methods, and devices are provided for focusing particles suspended within a moving fluid into one or more localized stream lines. The system can include a substrate and at least one channel provided on the substrate having an inlet and an outlet. The system can further include a fluid moving along the channel in a laminar flow having suspended particles and a pumping element driving the laminar flow of the fluid. The fluid, the channel, and the pumping element can be configured to cause inertial forces to act on the particles and to focus the particles into one or more stream lines. | 01-15-2009 |
| 20160146717 | PILLAR ARRAY STRUCTURE WITH UNIFORM AND HIGH ASPECT RATIO NANOMETER GAPS - A technique related to sorting entities is provided. An inlet is configured to receive a fluid, and an outlet is configured to exit the fluid. A nanopillar array, connected to the inlet and the outlet, is configured to allow the fluid to flow from the inlet to the outlet. The nanopillar array includes nanopillars arranged to separate entities by size. The nanopillars are arranged to have a gap separating one nanopillar from another nanopillar. The gap is constructed to be in a nanoscale range. | 05-26-2016 |
| 209209000 | Chronometric | 1 |
| 20090230028 | LIGHT GUIDING FLUID CONDUIT HAVING A LIQUID-FILLED INTERSPACE BETWEEN INNER AND OUTER CONDUITS - A fluid conduit comprises an inner conduit configured for conducting a fluid, and an outer conduit circumferentially enclosing the inner conduit. The outer conduit's inner diameter is larger than the inner conduit's outer diameter, with an interspace being formed between the inner conduit's outer surface and the outer conduit's inner surface. The interspace between the inner conduit's outer surface and the outer conduit's inner surface contains an interspace liquid. The inner conduit is configured for guiding light coupled into the inner conduit, and dependent on the light's angle of incidence, total reflection occurs at a boundary between the inner conduit's outer surface and the interspace between the inner conduit and the outer conduit. | 09-17-2009 |
| 209210000 | With deflection | 3 |
| 20090101547 | CONCENTRATION OF PARTICLES IN A FLUID WITHIN AN ACOUSTIC STANDING WAVE FIELD - A device for performing the manipulation of particles suspended in a fluid is disclosed. The device comprises a duct for the flow of a fluid in which particles are suspended, an acoustic transducer, and a reflector for establishing an acoustic standing wave field across the width of the duct. It has been unexpectedly found that optimum performance of the device occurs when the spacing between the transducer and a reflector is 300 microns or less. The device seeks to overcome prior engineering difficulties that prevented one from observing the individual particle bands or separating the individual particle bands from the duct. | 04-23-2009 |
| 20100032350 | METHOD AND APPARATUS FOR SORTING PARTICLES - 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. | 02-11-2010 |
| 20110024335 | Acoustic Concentration of Particles in Fluid Flow - An apparatus for acoustic concentration of particles in a fluid flow includes a substantially acoustically transparent membrane and a vibration generator that define a fluid flow path therebetween. The fluid flow path is in fluid communication with a fluid source and a fluid outlet and the vibration generator is disposed adjacent the fluid flow path and is capable of producing an acoustic field in the fluid flow path. The acoustic field produces at least one pressure minima in the fluid flow path at a predetermined location within the fluid flow path and forces predetermined particles in the fluid flow path to the at least one pressure minima. | 02-03-2011 |
| 209724000 | Including circularly flowing liquid separation agent | 2 |
| 20090014365 | METHOD AND DEVICE FOR CONCENTRATING SUBSTANCES IN SOLID PARTICLE STATE - A method for concentrating a particulate matter, comprising at least two constituents of different densities, in which a slurry of particulate matter is subjected to centrifugation and to centripetal pulses in a centrifugation chamber. A dense fraction of the slurry and a light fraction of the slurry are drawn off separately from the centrifugation chamber. In order to produce the centripetal pulses, a fluid is injected into the slurry, in a direction oblique or tangential to the direction of centrifugation. The fluid is injected substantially continuously into the slurry. | 01-15-2009 |
| 20160074871 | Sluice Plate with Spiral Pockets - A sluice plate for capturing and concentrating heavy metal particles has a main plate and a plurality of spiral pockets. The main plate includes a main body and a drafting surface over which a processing mixture flows. The plurality of spiral pockets traverses into the main body through the drafting surface, wherein the plurality of spiral pockets collects heavy metal particles from the processing mixture. Each of the plurality of spiral pockets has a lateral wall that tapers from an upper opening to a lower face. An inner lip is perimetrically and helically positioned along the lateral wall. The inner lip and the tapered nature of each of the plurality of spiral pockets facilitates the movement of the processing mixture within the plurality of spiral pockets, along with the stratification of the heavy metal particles. | 03-17-2016 |
| 209725000 | Rotational hydrodynamic extraction (e.g., unidirectional hydrocyclone, vortical, whirlpool, etc.) | 5 |
| 20090120850 | HYDROCYCLONE AND ASSOCIATED METHODS - A hydrocyclone can be used for separating components of a fluid. The hydrocyclone can include a substantially open cylindrical vessel and a helical confined path connected upstream of the cylindrical vessel. The open vessel can include an open vessel inlet configured to introduce a fluid tangentially into the open vessel. The helical confined path can be connected to the open vessel at the open vessel inlet. One or more wash inlets can be used to introduce a wash fluid into the helical confined path and/or the open vessel. An overflow outlet and underflow outlet can be operatively attached to the open vessel for removal of the separated fluid components. Although a number of fluids can be effectively treated, de-sanding of bitumen slurries from oil sands can be readily achieved. | 05-14-2009 |
| 20140091017 | METHOD AND APPARATUS FOR PARTICLE SEPARATION - The invention relates to the dynamic separation of particles such as those resulting from crushing and grinding extracted minerals or recycled materials (glass, plastic, etc.). The separation is carried out by multi-stage dynamic separators ( | 04-03-2014 |
| 209727000 | Including oppositely directed axial flows around evacuated core (e.g., hydrocyclone having reverse free-vortexes formed, etc.) | 3 |
| 209728000 | Plural individual interconnected, oppositely directed axial flow producing separation phases (e.g., system arrangements, multiple hydrocyclones, etc.) | 1 |
| 209729000 | Serially connected | 1 |
| 20150041374 | METHOD FOR REDUCING THE CONTENT OF FINE MATERIAL IN FGD GYPSUM - A method for obtaining gypsum using a flue-gas desulfurization system (FGD) having a gypsum suspension, which includes fine materials such as active carbon particles or residual carbonate particles for example, accumulates in the scrubber of a wet flue gas scrubber. The gypsum-containing suspension is thickened by at least one hydrocyclone, and the thickened gypsum suspension is discharged via the underflow of the hydrocyclone. Water is fed to the hydrocyclone in addition to the gypsum suspension via a dedicated feed line such that the content of fine material is thus reduced with respect to the suspension volume in the underflow. | 02-12-2015 |
| 209732000 | Including specific overflow discharge feature (e.g., adjustable vortex finder, shape, size, etc.) | 2 |
| 20100326895 | Cyclone for Dense Medium Separation - This invention relates to a cyclone for dense medium separation that includes an inverted conical shaped cyclone body which provides an interior space having an inner wall surface a vortex finder including a lower end that extends longitudinally into an upper region of the interior space of the cyclone body an overflow outlet associated with an upper end of the vortex finder a feed inlet that is in fluid communication with the upper region of the interior space of the cyclone body an outlet associated with a lower region of the interior space and the inner wall surface of the interior space curves inwardly and downwardly from the upper region curves inwardly and downwardly from the upper region of the interior space to the lower region of the interior space. | 12-30-2010 |
| 20110240532 | Hydrocyclone Reject Orifice Treated to Prevent Blockage - A reject port of a hydrocyclone has an orifice that is treated or coated to prevent blockage thereof when materials pass therethrough, such as produced water, asphaltenes, waxes, “schmoo” or other materials having high potential for scaling. Such surfaces may include, but are not necessarily limited to, superhydrophobic surfaces and/or superoleophobic surfaces such as polytetrafluoroethylene (PTFE), fluorinated ethylene propylene (FEP), perfluoroalkoxy (PFA), tungsten disulfide (WS2), siloxanes, nanomaterials, surfaces created by diffusion of carbon into a stainless steel without forming chromium carbides (e.g. KOLSTERISING®), anti-scale treatment materials, and combinations thereof. The treated orifice may optionally be removable from the reject port. | 10-06-2011 |
