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| Number | Title | Issue Date |
| 7404847 | 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... | 07/29/2008 |
| 7319222 | Mass spectrometer and mass analysis method A linear trap which allows for charge separation and ion mobility separation in a speedy manner, and enables measurement with high duty cycle. A mass spectrometer comprises an ion source, an ion trap for trapping ions ionized by the ion source, an ion trap controlle... | 01/15/2008 |
| 7276103 | Method and device for separating molecules having different excitation spectra The invention relates to a method for the separation of molecules having different excitation spectra, which form components of a gas. The molecules are excited by laser pulses in a way that the molecules to be separated are transferred into a state of excitation du... | 10/02/2007 |
| 7183104 | Separator and particle detection system The present invention is embodied in a system for collecting biological samples from air including a collection assembly to store at least one biological sample and a separator to remove selected particles from the air prior to entry into the collection assembly. In... | 02/27/2007 |
| 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 |
| 6989049 | Airborne conductive contaminant handler An example airborne conductive contaminant handling system is described. The airborne conductive contaminant handling system may include a handling circuit that is configured to selectively pass an electric current through a conductive contaminant. The airborne cond... | 01/24/2006 |
| 6956217 | Mass separator with controlled input A device for separating particles according to their respective masses includes a substantially cylindrical wall of inner radius, “Rwall”, that surrounds a chamber and defines a longitudinal axis. A multi-species plasma having relatively cold ions is ... | 10/18/2005 |
| 6939469 | Band gap mass filter with induced azimuthal electric field A band gap mass filter for separating particles of mass (M1) from particles of mass (M2) in a multi-species plasma includes a chamber defining an axis. Coils around the chamber generate an axially aligned magnetic field defined (B=B0... | 09/06/2005 |
| 6797176 | Plasma mass filter with inductive rotational drive A device for separating high mass to charge particles (M1) from low mass to charge particles (M2) in a plasma includes a cylindrical wall that surrounds a chamber and defines an axis. Rectangular shaped coils are mounted on the wall to establis... | 09/28/2004 |
| 6787044 | High frequency wave heated plasma mass filter A material separator includes a chamber and electrode(s) to create a radially oriented electric field in the chamber. Coils are provided to generate a magnetic field in the chamber. The separator further includes a launcher to propagate a high-frequency electromagne... | 09/07/2004 |
| 6730231 | Plasma mass filter with axially opposed plasma injectors A device for separating the constituents of a multi-constituent material includes a substantially cylindrical plasma chamber and two, axially opposed plasma injectors. The injectors convert the multi-constituent material into a multi-species plasma and inject the mu... | 05/04/2004 |
| 6726844 | Isotope separator An isotope separator includes a cylindrical chamber having first and second ends, and a length “L.” Inside the chamber, an E×B field is applied to produce plasma rotation. The energy in the plasma rotation is chosen to be much higher than the electron temperatu... | 04/27/2004 |
| 6723248 | High throughput plasma mass filter A high throughput plasma mass filter includes a substantially cylindrical shaped plasma chamber with structures for generating a magnetic field (B) that is crossed with an electric field (E) in the chamber (E×B). An injector introduces into the chamber a multi-spec... | 04/20/2004 |
| 6719909 | Band gap plasma mass filter A device and method for selectively establishing predetermined orbits, relative to an axis, for ions of a first mass/charge ratio (m1), requires crossing an electric field with a substantially uniform magnetic field (E×B). The magnetic field is oriented ... | 04/13/2004 |
| 6579454 | Magnetic separator In order to produce a magnetic separator for separating particles from a fluid, comprising a collection chamber through which the fluid is arranged to flow, and a device for producing a magnetic field by means of which the particles are retained in a coll... | 06/17/2003 |
| 6515281 | Stochastic cyclotron ion filter (SCIF) A stochastic cyclotron ion filter for separating ions in a multi-species plasma according to mass uses an electrical field (E) crossed with a magnetic field (B). In particular, the electric field is stochastically generated by an amplified noise source wi... | 02/04/2003 |
| 6355178 | Cyclonic separator with electrical or magnetic separation enhancement A cyclone or hydrocyclone for separating fluids and particles includes an electrostatic charge generator, a direct current power source, a magnet or an electromagnet for augmenting the centrifugal separation forces generated by the cyclone or hydrocyclone... | 03/12/2002 |
| 6322706 | Radial plasma mass filter A plasma filter for separating particles includes a hollow semi-cylindrical chamber that is enclosed by a wall. At least one plasma source is mounted in the chamber between the longitudinal axis of the chamber and the wall for generating a multi-species p... | 11/27/2001 |
| 6287463 | Collector cup A collector cup for the collection and removal of the low-mass particles that exit from a plasma mass filter includes a cylindrical shaped wall, an internally cooled. getter plate and a plurality of internally cooled baffles. The baffles are concentricall... | 09/11/2001 |
| 6264842 | Continuous magnetic separator A method and apparatus for magnetically separating magnetizable particles from a mixture of magnetizable and nonmagnetizable particles of similar size and density by passing the particles through a magnetic field generated by a cylindrical coil around the... | 07/24/2001 |
| 6251282 | Plasma filter with helical magnetic field A plasma mass filter using a helical magnetic field for separating low-mass particles from high-mass particles in a multi-species plasma includes a cylindrical outer wall located at a distance "a" from a longitudinal axis. Also included is a coaxial cylin... | 06/26/2001 |
| 6251281 | Negative ion filter A plasma filter for separating positive ions from negative ions in a multi-species plasma includes a cylindrical shaped chamber. Magnetic coils surrounding the chamber generate a magnetic field that is aligned substantially parallel to the chamber's longi... | 06/26/2001 |
| 6248240 | Plasma mass filter A method for separating charged particles according to their mass requires providing a multi-species plasma in a chamber. The plasma includes both relatively low-mass charged particles (M1) and relatively high-mass charged particles (M2 | 06/19/2001 |
| 6235202 | Tandem plasma mass filter A tandem plasma mass filter for separating low-mass particles from high-mass particles in a multi-species plasma includes a cylindrical shaped wall which surrounds a hollow chamber. A magnet is mounted on the wall to generate a magnetic field that is alig... | 05/22/2001 |
| 6217776 | Centrifugal filter for multi-species plasma A centrifugal filter for separating low-mass particles from high-mass particles in a rotating multi-species plasma includes a pair of annular shaped coaxially oriented conductors. The conductors are both aligned along a central axis and are spaced apart t... | 04/17/2001 |
| 6214223 | Toroidal plasma mass filter A toroidal shaped plasma mass filter for separating heavy mass ions (M2) from light mass ions (M1) includes a platform having an annular shaped surface with a circular axis of rotation located midway between the inner and outer circu... | 04/10/2001 |
| 6096220 | Plasma mass filter A plasma mass filter for separating low-mass particles from high-mass particles in a multi-species plasma includes a cylindrical shaped wall which surrounds a hollow chamber. A magnet is mounted on the wall to generate a magnetic field that is aligned sub... | 08/01/2000 |
| 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 |
| 6077332 | Magnetic trap for removal of iron from amines A process for reducing iron containing contaminants from a process stream of amine used for acid gas stripping by passing the process stream of amine adjacent a magnet sufficient to extract at least a portion of the iron containing contaminants from the p... | 06/20/2000 |
| 5858223 | Magnetic separators A magnetic separator for separating magnetizable particles from a fluid is described. The separator is of the type comprising a separating chamber having an inlet and an outlet with means for establishing an axial magnetic field within the chamber. Two or... | 01/12/1999 |
| 5779770 | Magnetic field type oxygen enriched air producing apparatus An oxygen enriched air producing apparatus includes a casing, at least one rotor rotatably disposed in the casing to thereby define a space between the casing and the rotor, and a magnetic field generating device for generating a magnetic flux extending a... | 07/14/1998 |
| 5242587 | Filter with porous media and electrostatic and magnetic plates A fluid filter is designed primarily but not exclusively to filter spent fluids which may contain particulate contaminants. The filter has an assembly which may be slid into or out of a canister housing for manufacture, repair, or replacement. The assembl... | 09/07/1993 |
| 5106491 | Device for eliminating boiler scale using arrangement of magnetic coils and baffle plates To accomplish this object, a device is designed and is characterized in that in the interior of the housing there is provided at least two baffle plates which are offset in the direction of the housing axis and between them form at least one third chamber... | 04/21/1992 |
| 5089128 | Apparatus for separation of ferromagnetic materials from fluid media An apparatus for separation of ferromagnetic materials has a working chamber occupied by a ferromagnetic attachment in the form of plates with openings edged by shaped projections, a magnetizing system and means for consolidation of the plates made in the... | 02/18/1992 |
| 5076914 | Apparatus for separating ferromagnetic materials from fluid media An apparatus for separating ferromagnetic materials from fluid media has a working passage divided by a partition into sections filled with an insert of ferromagnetic material. A magnetizing system is arranged coaxially with the working passage. An arrang... | 12/31/1991 |
| 5039312 | Gas separation with rotating plasma arc reactor Method of separating components from gaseous mixtures in an arc plasma reactor energized by surrounding magnetic field coil windings by producing an electrical arc discharge of at least about 600A at about 22V between a positively charged centrally dispos... | 08/13/1991 |
| 4936879 | Filtration system with apparatus for altering the shape and dimension of particles Apparatus for treating particles while the particles are suspending in a circulating stream of air or other fluid. The apparatus causes particles to rotate around a vertical axis in confined circular paths of travel generally lying in a horizontal plane.... | 06/26/1990 |
| 4923488 | Apparatus for altering the density of particles Apparatus for treating particles while the particles are suspending in a circulating stream of air or other fluid. The apparatus causes particles to rotate around a vertical axis in confined circular paths of travel generally lying in a horizontal plane.... | 05/08/1990 |
| 4902428 | Method and apparatus for separating magnetic material Separation of admixtures of particles, fluids or gases having different magnetic susceptiblities is effected by subjecting a moving stream of the mixture to simultaneous gravitational and magnetic forces in a manner such that relatively non-magnetic mater... | 02/20/1990 |
| 4865747 | Electromagnetic fluid treating device and method An electromagnetic field treating device includes a conduit formed of nonmagnetic material having an inlet and an outlet such that fluid can pass through the conduit in a direction which is parallel to the axis of the conduit, and a ferromagnetic core whi... | 09/12/1989 |
