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| Number | Title | Issue Date |
| 7959722 | Device and process for separating wet paint overspray A device for separating wet paint overspray from an exhaust air flow containing overspray particles is disclosed. The overspray particles pass into the exhaust air flow in an application region of a painting assembly and the device includes a separation device for s... | 06/14/2011 |
| 7351326 | FCC closed cyclone with snorkel Thermal cracking in a riser cracking, closed cyclone, fluidized catalytic cracking process is reduced. A snorkel or flow conduit having an inlet just above the catalyst stripper moves stripper vapor into the closed cyclone. The system preferably operates without a s... | 04/01/2008 |
| 7347332 | Cyclone having a vibration mechanism A cyclone for classifying materials has at least one vibrator attached to the downwardly tapering conical housing thereof to set up vibrations which interrupt the normal flow pattern of the downwardly swirling slurry of materials so that some of the smaller particle... | 03/25/2008 |
| 7311746 | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid A highly efficient vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a substantially cylindrical vertical drum having an upper cap section, a middle section comprising a circular wall, a lower cap sect... | 12/25/2007 |
| 7169201 | Cyclone separating apparatus and a vacuum cleaner having the same A cyclone separating apparatus and a vacuum cleaner having the same are disclosed. More specifically, the cyclone separating apparatus for a vacuum cleaner comprises a first cyclone for separating drawn-in air, and a plurality of second cyclones installed on an oute... | 01/30/2007 |
| 7159723 | Cyclone separator A cyclone separator including an initial cyclone arrangement (1) arranged first in relation to a flow direction (18) through the separator; a second cyclone arrangement (2) connected in series with the initial cyclone arrangement; a bypass chann... | 01/09/2007 |
| 7128770 | Cyclone dust-collector A cyclone dust-collector which filters out dust and dirt from drawn-in air at least two times, comprising a multiple cyclone unit having a first cyclone and a plurality of second cyclones arranged at the outside of the first cyclone, for centrifugally separating the... | 10/31/2006 |
| 7115157 | Gas separation apparatus and methods Novel gas separation apparatus and methods are provided that help reduce the amount of process gas lost through the discharge outlet of either a cyclone separating gas/solid mixtures or a hydroclone separating gas/liquid mixtures. Significant savings are realized by... | 10/03/2006 |
| 7056372 | Air treatment device having various selections An air treatment device includes a housing, a filter element disposed in the housing, an air forcing device for forcing air to flow through the filter element, and a light device disposed in front of the filter element for generating light and for germ killing purpo... | 06/06/2006 |
| 7048783 | Vacuum cleaner air/liquid separator A vacuum cleaner air/liquid separator is provided according to the invention. The separator includes an offset air/liquid airflow inlet for receiving an air/liquid airflow, with the offset air/liquid airflow inlet possessing a width and a height. The separator furth... | 05/23/2006 |
| 6716750 | System and method for processing residual gas A system for processing residual gas that includes a chamber having at least one baffle for increasing gas flow path, a residual gas inlet mechanism connected to the chamber for supplying residual gas to the chamber, at least one first gas inlet mechanism connected ... | 04/06/2004 |
| 6464944 | Apparatus and method for controlled decomposition oxidation of gaseous pollutants An apparatus is provided for treating pollutants in a gaseous stream. The apparatus comprises tubular inlets for mixing a gas stream with other oxidative and inert gases for mixture and flame production within a reaction chamber. The reaction chamber is h... | 10/15/2002 |
| 6187080 | Exhaust gas treatment apparatus including a water vortex means and a discharge pipe An exhaust gas treatment apparatus for treating exhaust gas generated in semiconductor manufacturing processes. It includes a main pipe, a gas vortex means, a water vortex means, an U pipe and a discharge pipe. The main pipe transforms the exhaust gases t... | 02/13/2001 |
| 6153150 | Apparatus and method for controlled decomposition oxidation of gaseous pollutants An apparatus is provided for treating pollutants in a gaseous stream. The apparatus employs curved tubular inlets for mixing a gas stream with other oxidative and inert gases for mixture and flame production within a reaction chamber. The reaction chamber... | 11/28/2000 |
| 5935283 | Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system A clog-resistant inlet structure for introducing a particulate solids-containing and/or solids-Forming gas stream to a gas processing system. The structure is composed of a gas-permeable wall enclosing a gas flow path, and an outer annular jacket circumsc... | 08/10/1999 |
| 5855652 | Aerosol collector and concentrator Apparatus is disclosed for rapidly collecting aerosols containing solid particles and micro organisms, such as viruses and bacteria, from relatively large volumes of air and concentrating these particulates as samples in water. This apparatus operates und... | 01/05/1999 |
| 5846275 | Clog-resistant entry structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system A clog-resistant inlet structure for introducing a particulate solids-containing and/or solids-forming gas stream to a gas processing system, including: a gas-permeable wall enclosing a gas flow path, and an outer annular jacket circumscribing the gas-per... | 12/08/1998 |
| 5749944 | Process and apparatus for the removal of dimethyl ester vapors or particles emitted during the storage of dimethyl esters In a method for removing dimethyl ester vapors or particles emitted from a molten dimethyl ester storage tank, a gaseous mixture containing dimethyl ester vapors or particles and an inert gas are supplied to an inlet port of a water scrubber. Water is con... | 05/12/1998 |
| 5743939 | Waste gas processing apparatus and method for semiconductor fabricating equipment The waste gas processing apparatus and method thereof for semiconductor device fabricating equipment includes a water spraying chamber, and an exhaust tube. A demister and an external gas introducer, for causing external gas to enter the exhaust tube adja... | 04/28/1998 |
| 5658373 | Air cleaning methods for mechanical industrial process An air cleaning system for treating contaminated air from a mechanical industrial process containing a heterogenous multi-component mixed density fluid (e.g., mist, vapor and/or smoke) that addresses the cloud-like behavior of this contaminated air. The a... | 08/19/1997 |
| 5413936 | Rotary biofilter A cylindrical vessel having a horizontal, longitudinal axis of rotation is filled with biofilter material and receives gases through a perforated dispersion pipe located along the axis. Humidified gases pass through the biologically active filter material... | 05/09/1995 |
| 5405420 | Flue gas treatment apparatus and flue gas treatment system This invention relates to a flue gas treatment apparatus for treating flue gas in which a contaminant in the form of fine solid particles and a gaseous air pollutant are mixed. In the flue gas treatment apparatus, a gas suction portion (29a) for drawing f... | 04/11/1995 |
| 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 |
| 5096467 | Artificial tornado generating mechanism and method of utilizing generated artificial tornados An array of parallel pipes, each having ports through which jet-like air streams exit, are arranged so that a peripherally directed air curtain is formed. The posts are shielded at both ends, and one end is provided with a chimney along a central axis of ... | 03/17/1992 |
| 4892123 | Pneumatic conveying system In a system for discharging particulate material from a reactor, the material is conveyed pneumatically from a drain zone of the reactor via a first vacuum line to a gas/solids separator and solids we fed from the separator to a receiving vessel via a gas... | 01/09/1990 |
| 4743363 | Classifying cyclone A classifying cyclone efficient at removing very fine particles. In preferred embodiments, the cyclone employs an annular bevel ring positioned along the interior wall to redirect separated particles from the wall back into the path of classifying air. A ... | 05/10/1988 |
| 4692311 | Apparatus for the separation of fluid cracking catalyst particles from gaseous hydrocarbons Catalyst and hydrocarbon vapors are separated in a cyclone zone attached to the discharge of a riser cracking operation. A vortex stabilizer separating the cyclone zone from a stripping zone allows stripping gas from the stripping zone to be passed upward... | 09/08/1987 |
| 4689052 | Virtual impactor Disclosed is a virtual impactor for separating particles of a predetermined size range from an aerosol, and for transporting the separated particles from the region they are separated from the aerosol to an analysis/collection region remote therefrom. The... | 08/25/1987 |
| 4685943 | Filtration apparatus Apparatus for altering the physical properties of particles while the particles are suspended in a circulating stream of air or other fluid. The apparatus includes a mechanism for mechanically forming a vortex in a volume of gas, a mechanism for introduci... | 08/11/1987 |
| 4639311 | Device for separating airborne particles into grain size classes A device is described for separating airborne particles into grain size classes. The principle characteristic of the present invention lies in the fact that it comprises: a first base body formed as a cup in which there are formed three chambers which are... | 01/27/1987 |
| 4470902 | Method and apparatus for classifying particles A mixture of air and particles to be classified is ejected through a nozzle located at a lower portion of a vertical housing to deposit the ejected particles on an inner surface of the housing and to convey separated fine particles by a whirling upward ai... | 09/11/1984 |
| 4409008 | Dust disposal cyclones A cyclone with a tangential peripheral inlet and a central axial outlet is improved as to efficiency by inducting air between the inlet and the outlet. The inducted air is diverted by a baffle that temporarily separates it from the dust-laden inlet air, t... | 10/11/1983 |
| 4394143 | Protective spark eliminating system for a filter baghouse A protective spark eliminating system for removing burning particulates from flue gases prior to introducing the gases into a filter baghouse. The protective system includes a housing enclosing a separating chamber having a gas inlet in the side of the ho... | 07/19/1983 |
| 4312388 | Dust control apparatus and method of transferring dust laden discrete solid particles A dust control apparatus in the form of a hood is disclosed for minimizing or eliminating the evolution of dust when loading dust laden solid discrete particles from a large container to a series of small containers. The apparatus is designed specifically... | 01/26/1982 |
| 4278452 | 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 spaced radially apart from each other to form an annular passage therebetween. The passage is connected ... | 07/14/1981 |
| 4257475 | Recovery of the heat content of corrosive and dust-containing gases The heat content of corrosion and dust particle-laden gases is recovered in a process employing at least two regenerators cyclically interchangeable. In the heat-release cycle, hot waste gases are passed through the regenerator in one direction, thereby r... | 03/24/1981 |
| 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 |
| 4251243 | Induction cyclonic separator An induction type cyclonic separator particularly adapted for handling adherent or sticky materials, comprises downwardly converging lower frustoconical body means having a larger diameter upper circumferential edge and a smaller diameter lower circumfere... | 02/17/1981 |
| 4230465 | Pollution control apparatus and method Pollution control apparatus and a method for removing particulate matter from a gas at temperatures of up to about 3000° F. are disclosed comprising a gas centrifuge having effluent and influent openings and a spray nozzle positioned to inject a stream o... | 10/28/1980 |
| 4221655 | Air classifier An air classifier having a ring-shaped high-pressure air chamber disposed around a classifying chamber and communicating therewith by means of a plurality of small openings, such as air injection nozzles or a louver, these openings face in the direction o... | 09/09/1980 |
