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| Number | Title | Issue Date |
| 7841477 | Cyclone separator Described is a cyclone separator comprising a cyclone housing (1), a discharge duct (5) and a central tube (3) for diverting gases, said central tube (3) extends axially into the cyclone housing (1) and being composed by a number o... | 11/30/2010 |
| 7735658 | Classification apparatus for powdery substance A classification apparatus including a magnetic stirrer composed of main body (1) and rotor (2) and, arranged on the main body of the magnetic stirrer, classification tube (3). The interior of the classification tube is provided with classificat... | 06/15/2010 |
| 7424956 | Separation method and separation device A method of the present invention separates lightweight grains from raw grains. In a primary separation step, raw grains containing the lightweight grains are whirled upward with primary air along the inner wall of the cylindrical section for allowing raw grains and... | 09/16/2008 |
| 7255790 | Hydrocyclones A hydrocyclone which includes a main body having a chamber therein, the chamber including an inlet section, and a separating section, the separating section having an inner side wall which tapers inwardly away from the inlet section, the hydrocyclone further includi... | 08/14/2007 |
| 7051880 | Air classifier to separate solids while eliminating emissions An air classifier to separate solids by air classification while eliminating emissions. The air classifier includes an in-feed delivery mechanism, such as a continuous conveyer belt in order to deliver solids to an input chamber. A hanging curtain is movable in resp... | 05/30/2006 |
| 6935513 | Method and apparatus for mixture separation A separator that provides a convergent conical flow path for a mixture introduced into the separator at fairly high velocity. Within the convergent flow path, the angular velocity of the spiraling mixture increases such that heavier species are segregated from light... | 08/30/2005 |
| 6607079 | System and method for controlling particle flow distribution between the outlets of a classifier An apparatus for separating coarse particles from a stream of gas entrained with a mixture of coarse and fine particles includes an outer casing, an inner casing disposed within the outer casing and configured to define a passageway between the outer casi... | 08/19/2003 |
| 6596169 | Cyclone Disclosed is dense medium cyclone for separating particles of varying sizes from within a fluid stream. The particles to be separated are entrained within the fluid stream. The fluid stream is then introduced into a cyclone that includes a body and a side... | 07/22/2003 |
| 6588598 | Multi-outlet diffuser system for classifier cones A diffuser system for multi-outlet pipe structures of the type found in coal pulverizer classifier skirts and in the piping between such classifiers and combustion chambers in coal-fired power plant delivery systems. A plurality of vertical and horizontal... | 07/08/2003 |
| 6461499 | Hydrocyclone with removal of misplaced coarse fraction in overflow A hydrocyclone has an inlet head, one or more chambers located beneath the inlet head and terminating in an underflow outlet, a vortex finder located within the inlet head, and an overflow outlet connected to the vortex finder. The overflow outlet has a p... | 10/08/2002 |
| 6398973 | Cyclone separator A cyclone separator has an inlet chamber 52 and an outlet chamber 53, means 51 for introducing a fluid mixture into the inlet chamber so that it swirls around the chamber and passes to the outlet chamber in which it swirls about an outlet chamber axis, th... | 06/04/2002 |
| 6257415 | Multi-outlet diffuser system for classifier cones An apparatus for preventing uneven distributions of coal fines in the upper, outlet end of a coal mill classifier. A plurality of static diffuser elements is positioned in the upper end of the classifier, preferably within the classifier skirt if the clas... | 07/10/2001 |
| 6190543 | Cyclonic separator A cyclonic separator for separating fluids of differing densities comprises a first chamber having a vortex finder and a core member. The vane is arranged co-axial with and adjacent the internal surface of the vortex finder to increase the rotational velo... | 02/20/2001 |
| 6024874 | Hydrocyclone separator A hydrocyclone separator (10) has an outer housing (12) including an upper housing portion (14) and a lower housing portion (16). Upper housing portion (14) has a cylindrical chamber (22) and an involuted entrance (20) to cylindrical chamber (22). A vorte... | 02/15/2000 |
| 5879545 | Cyclonic filter assembly A compact cyclonic filter assembly used for separating unwanted debris from a fluid. The cyclonic filter assembly uses the centrifugal forces to separate large pieces of debris from the fluid and a filter to separate the remaining unwanted debris from the... | 03/09/1999 |
| 5858237 | Hydrocyclone for separating immiscible fluids and removing suspended solids The invention relates to a cyclone separator for separating oil and water and removing suspended solids. It comprises a generally cylindrical first portion with an open end and a closed end. A generally axial overflow outlet is provided in the closed end ... | 01/12/1999 |
| 5693225 | Downhole fluid separation system A downhole fluid separation system is used with submergible pumping systems to separate downhole fluids into different density fluids, recover the lighter fluids to the earth's surface, and dispose the heavier fluids downhole. The fluid separation system ... | 12/02/1997 |
| 5667687 | Cyclone A cyclone having a deblocking device comprising a rod relatively moveable into or out of an orifice to dislodge any solid matter therein. The rod may be provided with a formation to enhance the dislodgement.... | 09/16/1997 |
| 5635068 | Combination centrifugal separator for air and solids A combination centrifugal separator for air and solids has a cylindrical vessel with cylindrical side wall and closing end walls, a vortex finder internally and coaxially disposed within the vessel, an inlet mounted on the vessel in a direction tangential... | 06/03/1997 |
| 5597492 | Device for discharge limitation and simultaneous temporary storage of waste water and also separation of settleable and floating matter from foul water and such a method The invention relates to a device for discharge limitation and simultaneous temporary storage of waste water and also separation of settleable and floating matter from foul water and is notable for the fact that it comprises a cyclone chamber (2) which is... | 01/28/1997 |
| 5587078 | Centrifugal cleaner A centrifugal cleaner is constructed so that its efficiency is less sensitive to consistency changes of the feed slurry, and so that it can operate at a higher consistency than conventional cleaners, yet optimizes separation efficiency. This is accomplish... | 12/24/1996 |
| 5514271 | Underflow cyclone with perforated barrel A cyclone and process for fluidized catalytic cracking of heavy oils is disclosed. Gas and entrained solids are added tangentially around a vapor outlet tube in a cylindrical tube cyclone body. Solids and some gas is withdrawn via a plurality of openings ... | 05/07/1996 |
| 5478484 | Apparatus and method including a hydrocyclone separator in combination with a tubular filter A separator comprises a cyclone for removing more dense particles e.g. sand and a filter for removing less dense particles e.g. organic material from a liquid e.g. water. The arrangement is such that the filter experiences a shearing/scouring force which ... | 12/26/1995 |
| 5201422 | Classifier for powdery material A classifier for powdery material has a cylindrical casing formed at an upper portion thereof with an inlet port for introducing the material to be classified into the casing in a tangential direction of an inner wall thereof. The casing has a conical por... | 04/13/1993 |
| 5188237 | Device for the separation of powders into coarse and fine components A device for the separation of a powder into a coarse component and a fine omponent with a housing 1, a material feed 3, 4 into the housing for the material to be fed and a coarse material discharge 8 for the housing and a fines discharge 19 for the housin... | 02/23/1993 |
| 5180257 | Straightening instrument and cyclone A cyclone comprising a swirl cylinder, an inner tube disposed in the upper section of the swirl cylinder, an inlet duct arranged tangentially to the outer periphery of the swirl cylinder, a drop opening formed in the lower section of the swirl cylinder, a... | 01/19/1993 |
| 5074719 | Method of regulating the overflow from a cyclone, hydrocyclone or similar device A method of regulating the overflow from a cyclone, hydrocyclone or similar device (1) comprises the steps of passing the overflow (1C) to the main inlet (3C) of a fluidic valve (3) and passing at least a proportion of the underflow (1B) from the device (... | 12/24/1991 |
| 4975100 | Particle separator device and apparatus for the pneumatic conveyance of granular materials The present invention relates to a particle separator device which comprises a centrifugal separator with a loading duct, a duct for discharging the agglomerated particles and a duct for the discharge of the gaseous flow. The device comprises Venturi-mete... | 12/04/1990 |
| 4872973 | Cyclone classifier In a cyclone classifier wherein the material to be processed is swirled in a tubular casing having a conical lower portion and classified, a cylindrical body is provided in the casing, so as to surround the lower end of a fluid outlet pipe and extends dow... | 10/10/1989 |
| 4842145 | Arrangement of multiple fluid cyclones A special form of fluid cyclone in which the velocity energy in the exit fluid is converted into exit pressure, thus permitting the device to discharge to atmospheric pressure or a higher pressure while a vacuum may exist in the central core of the vortex... | 06/27/1989 |
| 4789476 | Cyclone separator with two separating zones and static guide mechanisms Cyclone separator with two separating zones and static guide mechanisms. As a result of an immersion tube column (5, 6, 7), which surrounds the cyclone axis (1) over the entire separating zone height h, which is arranged in the vortex core of the conventi... | 12/06/1988 |
| 4629555 | Cyclone separator A cyclone separator for the separation of lighter material (i.e. discontinuous or dispersed phase) can cope with fluctuating proportions of lighter material in the feed stream. A retractable plug 15 at the place where the cyclone overflow outlet meets the... | 12/16/1986 |
| 4617114 | Vortex cleaner for cleaning and deaerating paper pulp suspensions A vortex cleaner for fractionating particle-liquid suspensions comprises an elongate, upstanding vortex chamber having a circular cross-section and narrowing downwardly to its bottom end. A substantially tangential suspension inlet means is disposed in th... | 10/14/1986 |
| 4572727 | Cyclone A cyclone is disclosed, which comprises a cylindrical shell, an inverted conical hopper depending from the cylindrical shell, a cylindrical dust exhaust duct leading from the lower end of the inverted conical hopper, a gas supply duct extending tangential... | 02/25/1986 |
| 4479817 | Pressurized hot cyclone A cyclone for use at elevated temperature and pressure has a refractory lining and a metallic vortex finder supported by a thermal sleeve.... | 10/30/1984 |
| 4337068 | Methods for removing entrained solids from gases A method for the removal of entrained solids from gases in a cyclone separator having a dipleg attached to the bottom thereof comprises the basic steps of, (1) injecting the gases with the entrained solids in an inlet (54) of cyclone separator in the rang... | 06/29/1982 |
| 4316729 | Highly efficient cyclone separator A cyclone separator for the removal of entrained solids from gases, the cyclone separator having a barrel portion and a conical portion which cooperatively define a separation chamber, a gas inlet in open communication with the portion of the separation c... | 02/23/1982 |
| 4268294 | Method and apparatus for producing fiber product A filter system and method for extracting entrained lint particles from an effluent air stream prior to discharge into the atmosphere. The system and method are intended for use in combination with a cyclonic separator of the type having a vertical settli... | 05/19/1981 |
| 4257786 | Cyclone separator Cyclone separator for separating solid particles from particle laden gas having an outlet pipe assembly which includes a pair of co-axial outlet pipes radially spaced apart from each other to form an annular passage therebetween. A plurality of accelerati... | 03/24/1981 |
| 4246013 | Cyclone type air/particulate concentrator and collector A cyclone vortex type air cleaner and particulate concentrator is provided having greatly improved air cleaning efficiency as the dirty gas stream is subjected to two distinct skimming operations; one between the gas inlet scroll and the outlet tube and t... | 01/20/1981 |
