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| Number | Title | Issue Date |
| 7335847 | Method and apparatus for foreign-body separation from a material flow Method and apparatus for the separation of foreign bodies from a material flow, in particular a tobacco stream. Method is characterized in that at least a portion of the material from the material flow is conveyed into the area of a foreign-body detection device in ... | 02/26/2008 |
| 7275644 | Apparatus and method of separating and concentrating organic and/or non-organic material An apparatus for segregating particulate by density and/or size including a fluidizing bed having a particulate receiving inlet for receiving particulate to be fluidized. The fluidized bed also includes an opening for receiving a first fluidizing stream, an exit for... | 10/02/2007 |
| 7104403 | Static two stage air classifier A two-stage static air classifier has a feed duct through which particles of a granular mixture fall. A classifying louver plate having fins forming upwardly inclined classifying channels is fitted into a side opening in the feed duct. Particles of a set size are dr... | 09/12/2006 |
| 6942103 | Static two stage air classifier A two-stage static air classifier has a feed duct through which particles of a granular mixture fall. A classifying louver plate having fins forming upwardly inclined classifying channels is fitted into a side opening in the feed duct. Particles of a set size are dr... | 09/13/2005 |
| 6907996 | Application of complex-mode vibration-fluidized beds to the separation of granular materials of different density Opposite ends of a dry vibration-fluidized separator are moved with complex vibrations, including linear, whirl, linear plus whirl, oscillation, linear plus oscillation, pitch and roll. Near zero to large amplitudes up to about ±0.050 inches and low frequencies of ... | 06/21/2005 |
| 6902067 | In-shell nut sorting and debris removal assembly An in-shell nut sorting and debris removal assembly for removing debris including empty shells and sorting out unacceptable in-shell nuts includes multiple spaced belt sorting assemblies to removed materials having desired size characteristics and send them into a c... | 06/07/2005 |
| 6889842 | Apparatus and method for dry beneficiation of coal A method of beneficiating coal in a dry process includes separating raw coal from a coal mine into coal fines and larger pieces of coal using pressurized air, separating the larger pieces of coal according to size, removing ash from the larger pieces of coal on an a... | 05/10/2005 |
| 6422392 | Ammonia removal from fly ash in an acoustically enhanced fluidized bed A process for removing ammonia from fly ash during processing on an inclined fluidized bed. The process begins by introducing a mixture of particulates having ammonia adsorbed therein into an inclined fluidized bed. Concurrently, a fluidizing gas is pre-h... | 07/23/2002 |
| 6131741 | Method and device for the treatment of waste or residual waste To improve a method for the treatment of waste or residual waste (1), the waste or residual waste (1) is sorted into a fraction (16) with specifically light material and a fraction (18) with specifically heavy material first by sieving and then followed b... | 10/17/2000 |
| 5996808 | Fly ash processing using inclined fluidized bed and sound wave agitation A process and device for separating different types of particulates from a mixture, which is especially suited for separating unburned carbon from raw fly ash. The process entails separating raw fly ash by size into a fine component and a coarse component... | 12/07/1999 |
| 5975309 | Fluidized-bed classifier A fluidized-bed classifier has a vessel defining a space divided into an upper fluidized-bed chamber and a lower gas chamber by a perforated dispersion plate having the shape of a funnel. Rising currents of a gas, such as air, are blown through the disper... | 11/02/1999 |
| 5964355 | Procedure and apparatus for separating heavy particles of material from lighter ones Procedure for separating heavy particles of material from lighter particles, e.g. for separating impurities from powdery or fragmental material, such as fibers or chips, in which procedure the material (2) to be treated is supplied onto a carrier surface ... | 10/12/1999 |
| 5957297 | Apparatus for separating heavy particles of material from lighter ones Apparatus for separating heavy particles of material from lighter particles, e.g. for separating impurities from powdery or fragmental material, such as fibers or chips. The apparatus includes a carrier surface (1) which is pervious to gas, onto which the... | 09/28/1999 |
| 5660282 | Method and apparatus for separating resource materials from solid waste A method of separating solid waste materials, in the form of dried particles of substantially uniform size, into constituent materials on the basis of density, with primary stage processing utilizing one or more fluidized bed and cyclonic separator assemb... | 08/26/1997 |
| 5392922 | High capacity dry separation apparatus with air-heavy medium fluidized bed A high capacity dry separation apparatus with air-heavy medium fluidized bed having a separation chamber (3) with a fluidized bed above an air distributor (4), a scraper conveyer (2) in the separation chamber (3) having a double-scraper structure made up ... | 02/28/1995 |
| 5280837 | Door for an improved separation device A door (20) for a separation table (10) is pivotably installed within discharge chute (12). The door is pivotable between a closed position and an open position. The door has a distal planar section (24) that lies horizontally against the floor wall (38) ... | 01/25/1994 |
| 5209840 | Separation of active catalyst particles from spent catalyst particles by air elutriation Spent hydrotreating catalyst having carbonaceous and metallic deposits and of regular geometric shape after being stripped of process oil is fluidized by flowing air upwardly through the catalyst at a velocity sufficient to expand the bed thereby segregat... | 05/11/1993 |
| 5197398 | Separation of pyrite from coal in a fluidized bed Processes and arrangements that provide for the separation of pyrite from coal in a fluidized bed. The processes provide for more efficient and complete stratification of the bed materials in a vertical direction, so that the very top layer of the fluidiz... | 03/30/1993 |
| 5169517 | Process for the treatment of petroleum fractions containing metals, in the presence of solid particles, including a magnetohydrostatic separation stage for the said particles and the recycling of part of them Process for the treatment of a hydrocarbon fraction containing metals and comprising the following stages: (a) the said hydrocarbon fraction is treated in the presence of mean density particles (do) under conditions for eliminating at least par... | 12/08/1992 |
| 5148921 | Pneumatic separation of particulate material The invention relates to apparatus for the pneumatic separation of particulate material particularly but not solely for the separation of objectionable material such as stem from cut lamina or cut rolled stem tobacco (CRS). Apparatus for the pneumatic sep... | 09/22/1992 |
| 5087351 | Fluidized bed peanut sorter A modified fluidized bed separates materials differing in weight by as little as one percent. A fluidized bed is formed by directing air through vanes on an underside of a screen. Products, such as peanuts, delivered to a central portion of the screen are... | 02/11/1992 |
| 5074992 | Woodwaste processing system with contaminate separation A system for processing wastewood. The system may be mounted on a towable chassis. The wastewood is received at one end of the system and metal contaminants are removed from the wastewood. The wastewood is then separated according to size wherein a first ... | 12/24/1991 |
| 5025929 | Air classifier for light reusable materials separation from a stream of non-shredded solid waste An air classifier for separating light reusable materials from a stream of non-shredded solid waste is provided. The air classifier employs two operating phases. The first operating phase, the desired light fraction is entrained in an air stream and is co... | 06/25/1991 |
| 5006226 | Fluidized, dry bed, ore concentrator A fluidized, dry bed, ore concentrator in which a uniform air stream is utilized to fluidize ore particles within a region defined in part by two, moving, riffled surfaces. The particles are statically charged to enhance separation of particles within the... | 04/09/1991 |
| 4946044 | Aeration separator An aeration separator for separating lighter and heavier materials in a separation chamber in which the material flows through a downwardly sloping passage in the lower region of the separation chamber toward a lower discharge while air flows upwardly thr... | 08/07/1990 |
| 4877516 | Manipulating particulate matter An acoustic standing wave is established in a fluid medium with a varying energy density in its nodal planes. Particles in the fluid medium responsive to the acoustic energy accumulate at these nodal planes and by the action of the variations of energy de... | 10/31/1989 |
| 4755284 | Elutriator An elutriator (1) for separating different grades of leaf vegetable material comprises an elutriation zone (17) disposed above a flow distributor, and gaseous supply means (13) for supplying a gaseous medium to the elutriation zone (17) through the flow d... | 07/05/1988 |
| 4747939 | Particle classifier The invention is directed to a method and system for classifying particulate matter wherein unclassified particulate is projected into a spiraling fluid stream passing through an annular classifying zone. The particulate is projected into the fluid stream... | 05/31/1988 |
| 4715950 | Vibratory separation apparatus A vibratory particle separation apparatus of the type having at least two plateau conveying surface interrupted by a drop-out opening. A composite mixture is conveyed by a vibrating action beyond the upper plateau and over a foraminous section in the uppe... | 12/29/1987 |
| 4606739 | Method of increasing the separating efficiency of a cyclone separator and a cyclone for carrying out the method The separating efficiency of a cyclone separator used for removing solid particles from a gas stream (for example ash particles from the combustion gas which is passed to a gas turbine) is increased by retarding the particles before they arrive at the cyc... | 08/19/1986 |
| 4565647 | Foaming surfactant compositions Foaming compositions containing an alkylpolysaccharide surfactant and a sulfate, sulfonate and/or carboxylate cosurfactant and processes for utilizing foams containing these compositions.... | 01/21/1986 |
| 4490247 | Air stream separator An air stream separator for separating heavier and lighter fractions from a mixture, includes a first vibrating conveyor which conveys the mixture of materials into an upwardly directed air stream at the output end of the conveyor, and a second vibrating ... | 12/25/1984 |
| 4360379 | Process for the removal of rust from cast iron borings and the like in preparation for melting Process and means for the removal of iron rust from cast iron borings or chips to prepare the same for melting. The process involves the heating and agitation of such borings or chips, converting the rust of the same to magnetite and chemically uncombined... | 11/23/1982 |
| 4279740 | Light-material segregating method and apparatus An apparatus and method for separating light and heavy materials from one another. Materials to be separated are transported on a conveyer belt past a set of overhead rollers. Air is sucked through gaps between the rollers with covers surrounding groups o... | 07/21/1981 |
| 4231998 | Method for separating carbon black from fiberglass In processes for making carbon black from automobile tires containing fiberglass, or the like, a mat of fiberglass strands intertwined with carbon black trapped in the interstices thereof can be produced. The present invention discloses method and apparat... | 11/04/1980 |
| 4116814 | Method and system for effecting catalytic cracking of high boiling hydrocarbons with fluid conversion catalysts A method and system for cracking hydrocarbons with distinct fluid catalyst particles differing in activity, selectivity and physical characteristics is described wherein a common catalyst regeneration system is employed which will measurably contribute to... | 09/26/1978 |
| 4055486 | Method and apparatus for handling solid fluidized particles A source of fluid and entrained particles including fines is connected to the entrance of a cyclone particle separator lying above a particle storage vessel that has an outlet near its bottom. The particle separator has a particle exit connected to the st... | 10/25/1977 |
| 3997433 | Method and apparatus for generating dry dust particles A method and apparatus for generating dry dust particles of a constant concentration from dry solid particles. The apparatus has a dust dispersion section receiving powdered material from a dust feeding section. The dust dispersion section includes a bed ... | 12/14/1976 |
| 3984306 | Pinched sluice separators Granular materials are separated on a dry pinched sluice separator having at its discharge end a conical concave surface. The material to be separated is allowed to flow downwardly over the separator chute under gravity and fluidization and the so separat... | 10/05/1976 |
