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| Number | Title | Issue Date |
| 7766994 | Ultrasonic solution separating method and ultrasonic separating apparatus used in this method An ultrasonic solution separating method wherein a solution is ultrasonically vibrated and atomized into mist in a carrier gas in an ultrasonic atomizing chamber (4) and the carrier gas including atomized mist is transferred to a collecting part (5) an... | 08/03/2010 |
| 7594953 | Separating solid particles from gas in a fluid bed reactor This invention is directed to a process for removing catalyst particles from a gas. The invention is particularly suited to separating particles from the gas in a vessel that has a dilute phase zone and a dense phase zone. An acoustic waveform is applied to the dilu... | 09/29/2009 |
| 7326269 | NBC filtration unit providing unfiltered and filtered air paths A filtration unit for use with an environmental control unit (ECU), usually a portable ECU, which includes at least two air flow paths wherein at least one of the air flow paths allows for use of air which has not passed through a nuclear, biological, and chemical (... | 02/05/2008 |
| 7318849 | Cyclonic fluid separator equipped with adjustable vortex finder position A cyclonic fluid separator for separating one or more condensable components, such as water, and/or solids, such as smoke or sand particles, from a fluid mixture has a tubular housing having a fluid inlet section in which the fluid mixture is accelerated to a supers... | 01/15/2008 |
| 7314502 | Method and system for separating a component from a multi-component gas A method and apparatus for separating a component from a multi-component feed gas stream has a flow conduit (14) having a semi-permeable section (15) that permeates the component to be separated from feed gas stream (12). A sweep gas is provided... | 01/01/2008 |
| 7288137 | Particulate trap A particulate trap has a plurality of filters and an air distributor. The air distributor has a first flow member and a second flow member. Each of the first and second flow members have a plurality of openings to allow exhaust flow through the plurality of filters.... | 10/30/2007 |
| 7261766 | Supersonic fluid separation enhanced by spray injection The separation of liquid and/or solid components from a multiphase fluid stream passing through a supersonic fluid separator is enhanced by injecting a surface active agent into the fluid stream passing through the separator. Preferably the spray is injected via an ... | 08/28/2007 |
| 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 |
| 7251932 | Exhaust system and method for controlling exhaust gas flow and temperature through regenerable exhaust gas treatment devices A reconfigurable exhaust system provides selective positioning of exhaust gas treatment devices either near, or spaced from, the exhaust gas outlet port of a turbine of a turbocharged Diesel engine. In some embodiments, auxiliary air or a heat exchanger are arranged... | 08/07/2007 |
| 7247495 | Mass spectrometer method and apparatus for analyzing a sample in a solution The invention provides a mass spectrometric method for analyzing a sample in a solution, including the steps of directing a flow of a solution containing sample compounds to be analyzed towards a supersonic nozzle having an input end and an output end; vaporizing th... | 07/24/2007 |
| 7241470 | Method for monitoring the course of a process using a reactive gas containing one or several hydrocarbons The method applies to a process such as cementation or chemical vapor infiltration or deposition, the process being carried out in an oven and the method comprising setting operating parameters of the oven, introducing a reagent gas into the oven, the reagent gas co... | 07/10/2007 |
| 7238223 | Acoustical stimulation of vapor diffusion system and method An apparatus for removing constituents from a fluid stream is provided. The apparatus includes a duct, a collection device, a sorbent injector, and an acoustic generator. The duct has a fluid passageway to receive a fluid stream having constituents. The collection d... | 07/03/2007 |
| 7175695 | Apparatus and method for enhancing filtration Disclosed is a filtration enhancement apparatus and an associated method. The apparatus includes a number of electromagnetic grids that are placed in series. The first grid conditions ambient particles to generate particles with both a positive and a negative charge... | 02/13/2007 |
| 7150779 | Modulated acoustic agglomeration system and method An acoustic agglomerator for agglomerating constituents in a fluid is provided. The acoustic agglomerator includes an area containing a fluid having constituents and an acoustic generator operable to generate a modulated acoustic field to enhance agglomeration of th... | 12/19/2006 |
| 7146797 | Exhaust gas purification system An exhaust gas purification system including a catching reactor for attracting particulate matters in an exhaust gas from an engine by electrostatic force, a main exhaust path and an auxiliary exhaust path provided on the exit side of the catching reactor, a PM filt... | 12/12/2006 |
| 7125437 | Method and apparatus for enhanced particle collection efficiency A method and apparatus for particle collection (30) that is characterized by co-aerosolizing fluids (62) into an air stream (34) containing the particles to be analyzed to significantly enhance their collection and identification efficiency is p... | 10/24/2006 |
| 7108137 | Method and apparatus for separating particles by size A method and apparatus for separating a mixture of particles of various sizes in a capillary tube into groups by size using multiple forces of controlled amplitude. Ultrasonic radiation at a first selected frequency is applied to set up a standing pressure wave in t... | 09/19/2006 |
| 7101420 | Self cleaning air filtration machine and a method for using the same Self cleaning air filtration machine and a method for using same comprising; a filter with a motor driven belt or disk or counter rotating disks that are perforated, a spray bar, a recirculation pump and supply line, a wet tank, a ultrasonic transducer, ultraviolet ... | 09/05/2006 |
| 7056366 | Method and apparatus for increasing the operating lifetime of gas filters by an acoustic field A method for slowing down the increase in pressure drop across a gas filter caused by clogging as a result of a contaminant particles layer being formed on the filter. The method includes applying acoustic waves from an acoustic wave source to a gas to be filtered a... | 06/06/2006 |
| 6962199 | Method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke The present invention relates to a method for removing condensables from a natural gas stream, at a wellhead, downstream of the wellhead choke thereof. In accordance with the invention there is provided a method for removing condensables from a natural gas stream at... | 11/08/2005 |
| 6872238 | Method and apparatus for particle agglomeration Fine particles of dust and other pollutants in gas streams are agglomerated to form larger particles which are more easily filtered in downstream processing. In one embodiment, particles in successive portions of the gas stream are charged with opposite polarity, an... | 03/29/2005 |
| 6797158 | Method and apparatus for acoustically driven media filtration A method and apparatus for acoustically enhanced particle separation uses a chamber through which flows a fluid containing particles to be separated. A porous medium is disposed within the chamber. A transducer mounted on one wall of the chamber is powered to impose... | 09/28/2004 |
| 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 |
| 6749666 | Modulated acoustic aggiomeration system and method An acoustic agglomerator for agglomerating constituents in a fluid is provided. The acoustic agglomerator includes an area containing a fluid having constituents and an acoustic generator operable to generate a modulated acoustic field to enhance agglomeration of th... | 06/15/2004 |
| 6733569 | Method and apparatus for separating mixtures of gases using an acoustic wave A thermoacoustic device separates a mixture of gases. An elongated duct is provided with first and second ends and has a length that is greater than the wavelength of sound in the mixture of gases at a selected frequency, and a diameter that is greater than a therma... | 05/11/2004 |
| 6605131 | Integrated active noise control with self-cleaning filter apparatus An air induction system with active noise control includes a self-cleaning air filter that is integrated within an air intake housing. The self-cleaning air filter filters out contaminants such as dust and dirt particulates from air flowing through the in... | 08/12/2003 |
| 6524368 | 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 belo... | 02/25/2003 |
| 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 |
| 6224652 | Method and device for the agglomeration of particles in a gaseous flow This invention relates to a method and a device for agglomerating particles in a gaseous flow through an acoustical agglomeration chamber (3). According to the invention a portion of the flow at the outlet of the chamber is selectively extracted by preferring ... | 05/01/2001 |
| 6171366 | Control systems for operating gas cleaning devices Systems and methods for cleaning and operating gas cleaning devices using vibration generators wherein the systems include sensors and programs for monitoring and predicting resonant conditions of different surface areas and zones in order to vary the fre... | 01/09/2001 |
| 6086657 | Exhaust emissions filtering system An exhaust emissions filtering system for filtering of particulate matter from a flow of exhaust. The exhaust emissions filtering system comprises an ultrasonic transducer unit, an ultraviolet light unit, a magnetic particle filter unit, and an electronic... | 07/11/2000 |
| 6042635 | Method for wetting a filter element A method for wetting a filter element by a high viscosity liquid and an apparatus for practicing such method are provided. In the method, a sealable container that is equipped with a vibration device and is capable of holding a pressurized liquid therein ... | 03/28/2000 |
| 5985001 | Separation of a gas A thermodynamic pressure swing adsorption cycle utilizing "loudspeaker" diaphragms or pistons which are located at the top and bottom of a column containing a bed of adsorbent. The diaphragms are vibrated out of phase with each other so as to provide a di... | 11/16/1999 |
| 5900043 | Electrostatic filter with process for fast cleaning without breaking confinement Electrostatic filter in which the enclosure (2) is fitted with a flexible membrane (12) , behind which an acoustic wave generator (14) is placed and which vibrates the gaseous contents of the filter to detach retained dust and clean the filter.... | 05/04/1999 |
| 5866089 | Ultrasound-assisted liquid redox absorber A method and apparatus for removing sulfur from gas streams, utilizing liquid redox, including an improved method for preventing build-up of elemental sulfur in a sulfur absorber. Ultrasonic irradiation of one or more portions of the structure of the abso... | 02/02/1999 |
| 5827350 | Machine and method for separating aerosol particles A machine and method for separating aerosol particles in a cylindrical ultrasonic member in which the particles are agglomerated in the presence of an injected allgomeration initiator, and retaining the agglomerated particles in a filter.... | 10/27/1998 |
| 5824136 | Process for the purification of a gas by scrubbing -- Venturi column for carrying out said process Gas which is contaminated with liquid and/or solid is purified using a vertically oriented Venturi column in conjunction with a sound field. At the throat of the Venturi column, a scrubbing liquid is atomized and injected in a direction substantially perp... | 10/20/1998 |
| 5769913 | Multifrequency acoustic chamber for the agglomeration and separation of particles suspended in gaseous effluents The objective of the present patent is an acoustic chamber for treatment of gaseous effluents containing solid and liquid micro-particles in suspension at various frequencies and high intensities. The acoustic energy agglomerates the micro-particles, ther... | 06/23/1998 |
