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| Number | Title | Issue Date |
| 7935176 | Oxygen extraction apparatus and process A facility and process capable of extracting oxygen in extraterrestrial environments from materials available in extraterrestrial environments, for example, on planets, planetoids, etc. The facility extracts oxygen from a mineral-containing solid material and is con... | 05/03/2011 |
| 7364553 | Breath aerosol management and collection system Aerosol collectors 10, 120 include pre-collection filters 100, 126, aerosol collection chambers 30, 130, and other exhaled breath conditioning and control features for providing not only accurate and efficient, but also reliable and reproducible... | 04/29/2008 |
| 7332347 | Apparatus and method for concentrating and collecting analytes from a flowing liquid stream An apparatus for concentrating and collecting one or more analytes in a flowing liquid stream of a carrier solvent composed of one or more solvent components is provided, which includes a transfer tube which forms a bore having an inlet and an outlet, the inlet bein... | 02/19/2008 |
| 7261008 | Air sampler An air sampler having a fan; an air inlet tube; a main body having a cyclonic cup, a stripping column and a demister; and fluidic circuitry for inputting fluids to the main body and the air inlet tube, and for outputting fluids from the main body. Air flow through t... | 08/28/2007 |
| 7261007 | Circumferential slot virtual impactor for concentrating aerosols A circumferential slot virtual impactor includes a disk-shaped housing with an endless circumferential slot for receiving aerosols. The slot forms an acceleration nozzle, and a receiver nozzle spaced apart radially inwardly from the acceleration nozzle exit. In an a... | 08/28/2007 |
| 7260483 | Real-time detection method and system for identifying individual aerosol particles An improved method and system of identifying individual aerosol particles in real time. Sample aerosol particles are collimated, tracked, and screened to determine which ones qualify for mass spectrometric analysis based on predetermined qualification or selection c... | 08/21/2007 |
| 7256396 | Sensitive glow discharge ion source for aerosol and gas analysis A high sensitivity glow discharge ion source system for analyzing particles includes an aerodynamic lens having a plurality of constrictions for receiving an aerosol including at least one analyte particle in a carrier gas and focusing the analyte particles into a c... | 08/14/2007 |
| 7232477 | Environmental continuous air monitor inlet with combined preseparator and virtual impactor An inlet for an environmental air monitor is described wherein a pre-separator interfaces with ambient environment air and removes debris and insects commonly associated with high wind outdoors and a deflector plate in communication with incoming air from the pre-se... | 06/19/2007 |
| 7173257 | Integrated assembly for delivery of air stream for optical analysis An integrated particle detection apparatus for optical detection of particles in an air stream. The particle detection apparatus includes a scalper for removing large panicles from the air stream, a concentrator for separating out small particles and increasing the ... | 02/06/2007 |
| 7150100 | Method of forming a jacketed steam distribution tube A method of forming a jacketed steam distribution tube assembly includes simultaneously extruding an inner tube, an outer tube, and a plurality of connecting members for connecting the inner tube to the outer tube, thereby forming a jacketed steam distribution tube ... | 12/19/2006 |
| 7051540 | Methods for fluid separations, and devices capable of separating fluids Wick-Containing apparatus capable of separating fluids and methods of separating fluids using wicks are disclosed. ... | 05/30/2006 |
| 7051605 | Bioaerosol slit impaction sampling device A slit impaction sampling device is for collecting airborne contaminants for subsequent analysis, includes a base with a microscope slide disposed thereon. The microscopic slide has an adhesive media located thereon to assist in adhering airborne particles on the mi... | 05/30/2006 |
| 7041153 | Method of measuring floating dusts In a method of measuring particles floating in an atmosphere, the atmosphere containing the particles is sucked into a container, ions are generated from a discharge electrode disposed in the container to charge the particles with the ions. A dust-collecting electro... | 05/09/2006 |
| 6969160 | Ballistic aerosol marking apparatus A toner gating apparatus for supplying toner through an aperture to a gas channel having a propellant stream. The toner gating apparatus has a traveling wave grid having electrodes. A first gating electrode is located proximate a first side of the aperture. A second... | 11/29/2005 |
| 6923848 | Collecting apparatus of floating dusts in atmosphere A collecting device for collecting particles floating in the atmosphere includes a collecting container; a pump for sucking the atmosphere into the collecting container; a discharge electrode disposed in the collecting container for generating single polarity ions t... | 08/02/2005 |
| 6827761 | Particle concentrator Particles in a fluid flow are concentrated by a combination of electrical charging and focussing and passage through a virtual impact concentrator. The fluid is passed through an electrical charging section and an electrical focussing section and then to a virtual i... | 12/07/2004 |
| 6827219 | Impactor with cooled impaction plate and method for classifying and collecting aerosols using the same The present invention discloses an impactor with a cooled impaction plate capable of efficiently separating aerosols by cooling the impaction plate below a temperature of fluid inflowing into the impactor and a method for classifying and collecting the aerosols usin... | 12/07/2004 |
| 6776825 | Supersonic separator apparatus and method An apparatus and method of removing a selected component from a stream of fluid containing a plurality of components is provided. The stream is induced to flow at supersonic velocity through a conduit so as to decrease the temperature of the fluid to below a selecte... | 08/17/2004 |
| 6589314 | Method and apparatus for agglomeration A size preferential electrostatic agglomerator is provided for agglomerating small particles with larger "carrier" particles. The agglomerator includes an inlet for receiving a gas flow, a separator for separating the gas flow into flow streams based on t... | 07/08/2003 |
| 6447574 | System, process and apparatus for removal of pollutants from gaseous streams Pollutant molecules and/or particles are removed from a stream of polluted gas utilizing moisture-containing sonic or supersonic shock waves passing through the stream of polluted gas stream to alter, change, modify, grow or otherwise change the molecules... | 09/10/2002 |
| 6372019 | Method of and apparatus for the separation of components of gas mixtures and liquefaction of a gas An apparatus for liquefying a gas has a nozzle having a convergent nozzle portion and a nozzle throat, and a divergent nozzle portion (in the case of supersonic flow), and a working section. Vanes or another mechanism for creating a swirl velocity are con... | 04/16/2002 |
| 6280502 | Removing solids from a fluid A method and apparatus are provided for removing solid particles from a particle containing stream of fluid, the method including the steps of: inducing the stream to flow at supersonic velocity through a conduit; inducing a swirling motion to the superso... | 08/28/2001 |
| 6062392 | Micromachined virtual impactor A separation plate (10) includes a first surface and an opposing second surface. Plural pairs of a nozzle (14) and a virtual impactor (16) are provided on the first surface. Each nozzle tapers from an inlet end (14a) to an outlet end (14b). Each virtual i... | 05/16/2000 |
| 6010554 | Micro-machined virtual impactor and method of operation A micro-machined virtual impactor device to permit the separation, collection and concentration of a significant portion of environmental particulates having a diameter of less than ten microns and its method of operation. The device includes a plurality ... | 01/04/2000 |
| 5858043 | Virtual impactors with slit shaped nozzles without slit ends The invention relates to virtual impactors with slit-shaped nozzles. Virtual impactors serve to enrich aerosol particles of certain magnitudes from gases, particularly from ambient air, for the purpose of examining these particles. For very strong enrichm... | 01/12/1999 |
| 5788741 | Virtual impactor process for removing particles from an air stream A virtual impactor that can remove essentially all of the particles from an airstream is disclosed. Disclosed are a method of separating particles from the airstream using this virtual impactor, a method of concentrating the particulate matter in an airst... | 08/04/1998 |
| 5447553 | Method for interfacing liquid chromatography-mass spectrometry systems Close coupled momentum separator with integral removable source volume for particle beam liquid chromatography/mass spectrometry is provided. The inventive PB LC/MS system comprises a momentum separator wherein the skimmers are designed to accommodate the... | 09/05/1995 |
| 5425802 | Virtual impactor for removing particles from an airstream and method for using same A virtual impactor that can remove essentially all of the particles from an airstream is disclosed. Also disclosed are a method of separating particles from the airstream using this virtual impactor, a method of concentrating the particulate matter in an ... | 06/20/1995 |
| 5306330 | Method and mechanism for the supersonic separation of droplets from a gas stream In the present invention separation is effected by means of a convergent-divergent nozzle, in which the divergent portion is convex. A supersonic flow of a gas-droplets mixture is introduced into the convergent-divergent nozzle and at the throat thereof a... | 04/26/1994 |
| 5175433 | Monodisperse aerosol generator for use with infrared spectrometry A monodisperse aerosol generator forms a stable jet of liquid at a velocity allowing columnar breakup into droplets of uniform size and spacing. To prevent degradation of the monodisperse aerosol, it is disposed by entrainment in a high velocity gaseous s... | 12/29/1992 |
| 5137553 | Molecular jet separator A molecular jet separator includes a body which defines an evacuation chamber. A bore in the body traverses the chamber so that the bore has two segments on opposite sides of the chamber. Respective tubes are seated in these bore segments, with their oppo... | 08/11/1992 |
| 5106514 | Material extraction nozzle A material extraction nozzle for separating a mixture of materials having different densities, comprising: a nozzle body shell having an outer surface with a tangentially located material inlet at an upper portion thereof and an inner surface defining in ... | 04/21/1992 |
| 4977785 | Method and apparatus for introduction of fluid streams into mass spectrometers and other gas phase detectors Methods and apparatus for introduction of sample from a flowing stream into mass spectrometers or other analyzing apparatus for analytical and process stream analysis of the sample. The apparatus generates an aerosol during the decompression of a gas, liq... | 12/18/1990 |
| 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 |
| 4551157 | Method for separating light additive gas in separating nozzle cascades A process for the separation of light additive gas at the end of and/or at the location of the change in stage sizes in a separating nozzle cascade which is operated with a mixture of gaseous or vaporous substances to be separated. The separation of the l... | 11/05/1985 |
| 4541845 | Process and apparatus for separating solid and/or liquid particles from gases or liquids A process for the separation of solid and/or liquid particles from gases or solids from liquids, as well as for the separation of gases or liquids with different densities is proposed, in which a Venturi tube is used. The gas and/or liquid mixture is intr... | 09/17/1985 |
| 4447965 | Process and apparatus for drying with latent heat recovery Vapor laden effluent from a drying chamber is dehumidified by condensing the vapor through the acceleration thereof, and by subsequent condensate removal as through inertial separation. The resultant effluent is recirculated to the drying chamber after be... | 05/15/1984 |
| 4366379 | Isotope separation apparatus and method The invention relates to a method and apparatus for laser isotope separation by photodeflection. A molecular beam comprising at least two isotopes to be separated intersects, preferable substantially perpendicular to one broad side of the molecular beam, ... | 12/28/1982 |
| 4344780 | Apparatus for the separation of fluids An apparatus for the separation of components of a fluid (gas or vapor) by mass difference, especially for the enrichment of a particular isotopic component in the fluid, e.g. in uranium enrichment, comprises a block of generally rectangular plane configu... | 08/17/1982 |
| 4284418 | Particle separation method and apparatus A method and apparatus for separating molecules or particles of different mass comprises combining the molecules or particles in a carrier gas of lighter molecular weight, accelerating the composite mixture in a supersonic free jet, decelerating the free ... | 08/18/1981 |
