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| Number | Title | Issue Date |
| 5677193 | Method and apparatus for processing a test sample to concentrate an analyte in the sample from a solvent in the sample A method of processing a test sample to concentrate an analyte in the sample from a solvent in the sample includes: a) boiling the test sample containing the analyte and solvent in a boiling chamber to a temperature greater than or equal to the solvent bo... | 10/14/1997 |
| 5183481 | Supersonic virtual impactor A supersonic gas flow is employed with a virtual impactor to separate fine particles completely from the gas. The carrying gas and fine particles are accelerated to supersonic speeds and then impacted against a virtual impactor. When the supersonic stream... | 02/02/1993 |
| 5168835 | Pulsating combustion device A water or fluid-cooled device consists of a plurality of exhaust tubes of uniform cross-section, similar to the tubes in a boiler. The tubes are connected to an elongate combustion chamber into which a combustible mixture is aspirated via one or a series... | 12/08/1992 |
| 5147562 | Acoustophoresis method and apparatus A method and apparatus are provided for acoustophoresis, i.e., the separation of species via acoustic waves. An ultrasonic transducer applies an acoustic wave to one end of a sample container containing at least two species having different acoustic absor... | 09/15/1992 |
| 5085673 | Compact air scrubber Method and apparatus for removing material from a gas. A mist created by a piezoelectric ultrasonic transducer is contacted with the gas and both gas and mist are passed through baffled separators. Liquid effluent from the separators contains solid materi... | 02/04/1992 |
| 5085783 | Acoustically driven particle separation method and apparatus A method for separating particles from a flowing fluid suspension comprises the steps of providing an elongated chamber having closed first and second ends, flowing into the elongated chamber a fluid medium in which particles to be separated are suspended... | 02/04/1992 |
| 4948497 | Acoustically fluidized bed of fine particles An apparatus to acoustically fluidize a bed of fine particles comprises a generally box-shaped hollow chamber. An acoustic source is located at the bottom of the chamber and a convection inhibiting heater is located at the top of the chamber. An acoustic ... | 08/14/1990 |
| 4863491 | Interface for liquid chromatography-mass spectrometry systems A particle separation for use as an interface between a liquid chromatograph and a mass spectrometer comprises a vacuum chamber, an inlet nozzle for the chamber, a conical skimmer, and a vacuum exhaust port. The nozzle admits a stream of gas containing de... | 09/05/1989 |
| 4860547 | Process and apparatus for extracting liquids from aggregates and from gas/vapor mixtures A process and an apparatus is presented for at least partially extracting a liquid from an aggregate, by evaporation in a stream of carrier gas, followed by separation of at least a portion of the evaporated liquid from the stream of carrier gas. The sepa... | 08/29/1989 |
| 4770675 | System and method for separating gases of differing masses by enhanced diffusion produced by tuned oscillations A system for separating gases of differing masses by enhanced diffusion comprising a gas separating device which consists of a pair of gas reservoirs, at least one duct connecting the reservoirs and device for establishing oscillatory axial movement of ga... | 09/13/1988 |
| 4535633 | Method and apparatus for the protection of analyzers and other sensitive components from soiling and corrosion A method and an apparatus which, when interposed or integrated into sensitive pressure analyzers of pressure and vacuum measuring engineering equipment, prevent the intrusion of corrosive or condensable gases, or vapors, into the inside of the analyzer, a... | 08/20/1985 |
| 4475921 | Acoustic agglomeration methods and apparatus Methods are described for using acoustic energy to agglomerate fine particles on the order of one micron diameter that are suspended in gas, to provide agglomerates large enough for efficient removal by other techniques. The gas with suspended particles, ... | 10/09/1984 |
| 4405594 | Photo separatory nozzle A system for the thermal dissociation of gaseous matter into its component parts using solar energy and a molecular beam skimmer.... | 09/20/1983 |
| 4378976 | Combined sonic agglomerator/cross flow filtration apparatus and process for solid particle and/or liquid droplet removal from gas streams A gas filtration apparatus and process is disclosed combining heating to maintain undesired material in the form of liquid droplets, sonic agglomeration and porous cross flow filtration. The apparatus and process are particularly suited to gas streams com... | 04/05/1983 |
| 4319891 | Combined sonic agglomerator/cross flow gas filtration system and method A gas filtration apparatus and process combining sonic agglomeration with porous cross flow filtration. The apparatus and process is particularly suited to gas streams comprising particulates of under 10 microns in diameter, such as the effluent gas strea... | 03/16/1982 |
| 4313920 | Carbon black agglomerate production Smoke containing unagglomerated carbon black is subjected to sonic carbon black agglomeration thereby reducing the filter load and the danger of heat exchanger blockage.... | 02/02/1982 |
| 4197094 | Method and apparatus for electromechanical gas separation Electromechanical apparatus is provided for continuous separation of gas components from a gas mixture having similar properties or atomic numbers. A vibrating bar, maintained in a resonant flexural mode by electromechanical means, achieves a density sepa... | 04/08/1980 |
