Abstract: A water treatment device and methods of treating water such as cooling tower water, swimming pool water, and hot tub or spa water, are described. The water treatment device utilizes ultraviolet radiation, a magnetic field, and ozone fortified air to treat the water, typically resulting in reduced microbial contamination and reduced alkalinity in cooling tower water. Cooling tower water may consequently be run at higher cycles of concentration while reducing or eliminating deposition of minerals on cooling tower components. Swimming pool water and hot tub water treated with the water treatment device typically requires less chlorine, and chlorine levels are typically more stable than without the device.

Abstract: A magnetic filter assembly 1 is described which is suitable for incorporating into a fluid system such that a process fluid flows through the filter to remove ferromagnetic particles in the fluid. The filter assembly 1 comprises a housing 2 having a flow chamber. The housing also comprises one or more elongate hollow sleeves 10 extending into the flow chamber such that, in use, an exterior surface of each sleeve 10 is exposed to the process flow and an interior surface of each sleeve 10 is sealed from the process flow. Each sleeve 10 has an opening via which the interior surface of the sleeve is open or openable to the environment whilst remaining sealed from the process flow. Each sleeve has received in it a magnet 12, the magnet being removable from the sleeve via the opening. In this way, cleaning of the filter by removal of the magnets is facilitated, without exposing the process flow.

Abstract: A magnetic separator including a magnetic structure is provided. The magnetic structure includes magnetic structure units. The magnetic structure units form at least one continuous fluid channel. Each of the magnetic structure units has at least one protrusion. The magnetic structure has the protrusions facing towards each other between at least a portion of the adjacent two magnetic structure units.

Abstract: In at least one illustrative embodiment, an electromagnetic filter may include a transfer pipe and multiple electromagnetic filter elements positioned in an interior volume of the pipe. Each electromagnetic filter element includes a support comb, a solenoid coupled to the support comb, and multiple magnetic members arranged in a planar array positioned within an opening of the support comb. Each magnetic member may rotate about an end that is coupled to the support comb. The magnetic members may be magnetostrictive sensors and may include a biorecognition element to bind with a target microorganism. A method for fluid filtration includes coupling the electromagnetic filter between a fluid source and a fluid destination, energizing the solenoids of each electromagnetic filter elements, and flowing a fluid media through the transfer pipe of the electromagnetic filter. The fluid media may be liquid food such as fruit juice. Other embodiments are described and claimed.

Abstract: This invention relates to a sample holder for isolating magnetically labelled particles from a non-magnetic medium in a plurality of samples. The holder comprises a magnetic base for applying a magnetic force to the magnetically labelled particles and a body which is mountable on the base and demountable therefrom. The body comprises an array of sample holding portions and a magnetizable member which is magnetically urged towards the magnetic base when the body is seated on the base, whereby the body is urged to remain seated on the base. The invention also relates to use of the sample holder to separate magnetic particles from a non-magnetic medium and methods of performing such a separation.

Abstract: The present disclosure provides an apparatus for sorting a particulate material. The apparatus comprises a receiving portion for receiving the particulate material having a particle size within a predetermined range of sizes. The apparatus also comprises a distributor for receiving the particulate material at an upper end thereof and having a sloped distribution surface along which, in use, the particulate material passes substantially by gravity. A surface area of the sloped distribution surface increases towards a lower end of the distributor to facilitate a monolayer feed stream of the particles exiting and falling from a lower end of the distributor distributed as a curtain-like stream of particles. The apparatus further comprises a magnetic element for generating a magnetic force that is directed such that the particles of the falling feed stream that exit the lower end of the distributor have pathways that depend on magnetic properties of the particles.

Abstract: Systems, methods, and media for transparently optimizing a workload of a containment abstraction are provided herein. Methods may include monitoring a workload of the containment abstraction, the containment abstraction being at least partially hardware bound, the workload corresponding to resource utilization of the containment abstraction, converting the containment abstraction from being at least partially hardware bound to being entirely central processing unit (CPU) bound by placing the containment abstraction in a memory store, based upon the workload, and allocating the workload of the containment abstraction across at least a portion of a data center to optimize the workload of the containment abstraction.

Abstract: The present invention discloses a method and a device for axial separation by the inner surface of a permanent magnetic arched groove, comprising: adsorbing materials to be selected that axially flow through the inner surface field strength and the gradient area of a rotating separation drum (2) by using the energy on the inner surface of a permanent magnetic arched groove (1); wherein materials with lower specific susceptibility pass through a selected material channel (13) and flow out of a low magnetic material outlet (9); materials with higher specific susceptibility are adsorbed on the rotating separation drum (2) and fall into a high magnetic material groove (7) under the action of its gravity; and materials with higher specific susceptibility flow through a high magnetic material outlet (8) and then are collected; thereby various materials with different specific susceptibilities can be separated.

Abstract: The present invention discloses a method for axial separation by an eccentric inner surface of a permanent magnetic drum, comprising: adsorbing materials to be selected that flow through the inner surface field strength and the gradient area of a rotating eccentric drum (2) by using the energy on the inner surface of a rotating permanent magnetic drum (1), wherein materials with lower specific susceptibility pass through a selected material channel (14) consisted of the eccentric drum (2) and the outer surface of the arched drum of a field strength gradient regulating mechanism (5), and flow out of a low magnetic material outlet (9); materials with higher specific susceptibility are absorbed on the rotating eccentric drum (2), and in an area with higher eccentricity, materials with higher specific susceptibility are stripped off, fall into a high magnetic material groove (7), flow to a high magnetic material outlet (8), and then are collected.

Abstract: A magnetic drum separator, for separating ferrous and non-ferrous materials from a material stream. The magnetic drum separator comprising an outer shell that is rotatable around a central axis by a drive mechanism. The outer shell having a tubular length parallel to the central axis and a circular cross-section perpendicular to the central axis. An electromagnet pickup magnet positioned at a fixed location within the circular cross-section has a cross-section perpendicular to the central axis. The pickup magnet has a first end closest to the inner circumference of the outer shell and a second end located near the central axis. The pickup magnet comprises a core, with a backbar abutting it at the second end. The core comprises a plurality of blocks of different widths, in a cross-section perpendicular to the central axis, with the narrowest block at the first end and the widest block abutting the backbar.

Abstract: Method for handling microparticles in such a manner, that at least two treatment steps are performed for microparticles in the same vessel without moving the particles to another vessel. There are organs in the device for changing the solution without having to move the microparticles to another vessel.

Abstract: A magnetic separation apparatus (10) for separating magnetic materials from non-magnetic materials in a material flow comprising self cleaning magnetic separators (15) comprising: a cylinder (20) having a first end closer to a material flow than its second end in use, a piston (25) slidingly mounted within the cylinder (20), and a magnetic shaft (30) extending from the piston (25), the piston (25) and cylinder (20) adapted to move the magnetic shaft (30) between an extended position (31) and a retracted position (32), such that in the extended position (32), at least a sleeveless portion of an outer surface of the magnetic shaft (30) is exposed to the material flow and in the retracted position the magnetic portion is retracted substantially or wholly within the cylinder (20), the apparatus including a protected shaft wiper (120) and shaft seal (125) within the first end of the cylinder (20) for removing extracted magnetics.

Abstract: An object of the present invention is to provide a magnetic field forming device for active water capable of uniformly forming a high magnetic field free from any unevenness in its intensity, activating a fluid regardless of the orientation of magnetic polarity of the magnets, bringing about excellent assembling efficiency not requiring assembling while checking the orientation of the magnets, being manufactured at a high product yield ratio without occurrence of defective products resulting from a difference in the orientation of the magnets, remarkably easily taking out the magnets without use of any exclusive special tool, and removing rust and stains adhered to the magnets by wiping off the magnets one by one, the maintenance efficiency of which is excellent.

Abstract: Electromagnetic separator comprising two or more solenoids (6, 7) arranged inside a rotatable drum (1) and connected to a continuous current power supply (8) for generating a magnetic field suitable for separating ferromagnetic parts, wherein said power supply (8) supplies a current being substantially constant in time. The invention also relates to a separation method that can be carried out by means of said electromagnetic separator.

Abstract: Methods to separate certain valuable elements and/or minerals that utilize wet screens, hydro-cyclones, low intensity magnetic separators and/or Mag Wheel™ separators, including a specially designed magnetic field amplifying matrix. The methods are applicable to mining, manufacturing, mineral processing, or other treatment processes or systems.

Abstract: An electronic ferrous metal detector with an alarm includes a non-ferrous core positioned circumferentially about an opening in an object, such as a hole in a garbage can lid. A pick-up coil having a sufficient number of windings is wound about the non-ferrous core for detecting magnetized objects passing therethrough and generating a voltage. The voltage is passed through an op-amp and into a comparator/detector, where a preset reference point is compared to the voltage from the op-amp. Once the voltage passes the preset reference point, the comparator goes to a high output and powers a switch, such as a SCR or Triac, which is gated on and carries the current and feeds the voltage to an alarm that provides an audible or visual signal that a magnetized piece of ferrous material has passed through the metal detector.

Abstract: A system and method for enabling home power management. The method includes polling a plurality of power managed appliances in a network to determine a power state for each of the power managed appliances. Based on a corresponding power rating for the power state of each of the power managed appliances, determining an overall power utilization for the network. If policy has been enacted for updating the power state of any of the plurality of power managed appliances, adjusting the power state of the power managed appliances to provide an optimized power management network.

Abstract: The invention relates to the concentration of useful minerals and may be used in the concentration of iron ores. The magnetic hydroseparator includes a body with an upper drain, a supply device, a driving scraping device, set up with the possibility of interacting with the inner surface of an annular magnetic system and made with a changing number of revolutions, the annular magnetic system being set up within the upper part of the body, an unloading device with a washing device made with the possibility of regulating the supply of the washing liquid, gas or mixture of these, the lower part of the body being made in the shape of a cone. The claimed invention permits increasing the efficiency of concentration. One dependent claim, two illustrations.

Abstract: A magnetic filter removes magnetic particles from fluid communicated through the filter. The filter includes elongated, circumferentially spaced magnetic elements which capture magnetic particles entrained in the turbulent passing fluid. The magnetic elements must be cleaned periodically to remove the particles from the elements by moving a scraper plate from one end of the housing to the other. At the end of travel of the scraper plate, the particles are scraped upon non-magnetic end portions (which may contain residual magnetism) of the magnetic elements, from which they are flushed by fluid communicated through the inlet port out through other ports provided on the housing.

Abstract: A system and method for manipulating magnetically responsive particles in a solution to separate nucleic acid molecules from cell components in a cell solution. The system and method employ a device capable of receiving a plurality of tubes, each of which contain respective sample and magnetically responsive particles. The device includes heating and cooling devices to facilitate a lysing step to release the nucleic acid molecules from the cells in the cell solution. The device further includes moveable magnets which can be moved proximate to and away from the tube to hold the magnetically responsive particles to which the nucleic acid molecules become bound, so that the molecule-bound particles can be separated from the remainder of the solution, and washed as appropriate. The system also employs an electromagnet which is capable of demagnetizing the particles to allow the particles to freely mix with solution, such as elution solutions which are used to unbind the molecules from the particles.

Abstract: A magnetic filter removes magnetic particles from fluid communicated through the filter. The filter includes elongated, circumferentially spaced magnetic elements which capture magnetic particles entrained in the fluid. The magnetic elements must be cleaned periodically to remove the particles from the elements by moving a scraper plate from one end of the housing to the other. At the end of travel of the scraper plate, the particles are scraped upon non-magnetic end portions (which may contain residual magnetism) of the magnetic elements, from which they are flushed by fluid communicated through the inlet port out through other ports provided on the housing.

Abstract: The method includes placing a vessel containing a solution having magnetized substances into a magnetic device. The solution is then incubated in the device for a period of time sufficient to allow the magnetized substances to migrate radially toward the interior wall of the vessel, and a sample of the solution removed from the center of the vessel would contain non-magnetized particles. The magnetic device is made of four polar magnets and a plurality of interpolar magnets disposed therebetween. The interpolar magnets are positioned to progressively rotate towards the orientation of the four polar magnets creating an even flux within the solution thereby causing the radial movement of the magnetized substances toward the inner wall of the surrounding magnets.

Abstract: A plasma mass filter for separating low-mass particles from high-mass particles in a multi-species plasma includes a substantially cylindrically shaped barrier surrounding a chamber and defining a longitudinal axis. Helically shaped coils are mounted on the barrier to establish a magnetic field in the chamber. Conducting rings are provided to establish a radially directed electric field in the chamber. The plasma is injected into the chamber for interaction with the electric and magnetic fields, placing the high-mass particles onto trajectories rotating about a guiding center that travels within a surface having a hyperbolic shape. The low-mass particles are placed onto trajectories rotating about a guiding center that travels within a surface having an elliptical shape. The fields create an axial force directing the particles away from the injection point. As such, the high-mass particles strike the inner wall of the barrier, while the low-mass particles transit through the chamber.

Abstract: The invention concerns a device for collection of magnetic particles. The invention further concerns a system for transfer of material from a plurality of source vessels to a plurality of target vessels, the device comprising a plurality of collecting members each of which can be manipulated independently. The invention further concerns a method for detection of biological entities being fluorescent label, wherein the entities are bound to magnetic particles. The fluorescent emission is concentrated by clustering the magnetic particles utilizing magnetic force.

Abstract: A multi-mass filter for separating particles of a multi-species plasma includes a chamber, which defines an axis. A radial electric field is crossed with a magnetic field (E×B) to move the particles of different mass (M1, M2 and M3) on respective trajectories into respective first, second and third regions. Specifically, particles M1 are confined in the first region, while both particles M3 and M2 are ejected from the first region into the second region and only the particles M3 are ejected from the second region into the third region.

Abstract: A multi-mass filter for separating particles of a multi-species plasma includes a chamber, which defines an axis. A radial electric field is crossed with a magnetic field (E×B) to move the particles of different mass (M1, M2 and M3) on respective trajectories into respective first, second and third regions. Specifically, particles M1 are confined in the first region, while both particles M3 and M2 are ejected from the first region into the second region and only the particles M3 are ejected from the second region into the third region.

Abstract: Disclosed is a system and method for implementing a distributed network system, such as the World Wide Web, in which distributed location services are utilized and include a collection of server processes that map from resource identifiers to a resource's controlling server. In addition, distributed location services provide an architecture for assigning resource identifiers and set of protocols for accessing server processes. The server processes are logically defined to provide a more flexible system. Each of these logical server processes are an abstraction which provides the external view of the server. The logical server processes may be implemented by different numbers of physical processes running on different machines at different points in time.

Abstract: A multi-mass filter for separating particles according to their mass-charge ratio includes a chamber for receiving a multi-species plasma that includes particles therein having different mass-charge ratios (with M1<M2<M3). Inside the chamber, which defines an axis, a radial electric field is crossed with a magnetic field (E≦B) to move the particles (M1, M2 and M3) on respective trajectories into respective first, second and third regions. For one embodiment, the filter is configured so that az2Bz is held constant in the expression for cut-off mass, Mcz=eaz2Bz2/(8Vctr). For this embodiment, only the heavier particles M3 are ejected into the third region (M3>Mc3) and only the intermediate particles M2 are ejected into the second region (M2>Mc2). In another embodiment, the radial electrical field is increased outwardly from the axis to a radial distance a2 (r2) at a first rate.

Abstract: 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 outside of the column of the separator, and enhanced by a ferrous metal mass or ring within the column located generally centrally of the coil.

Abstract: A matrix separation element for use in magnetic separation devices is produced by winding stainless steel filament around a porous mandrel at a controlled tension. Controlling the tension on the filament produces a matrix separation element having a uniform, predetermined density. Further compression of the filament is not necessary. The tension may be controlled by varying the rotational velocity of the mandrel and/or the filament supply spool during winding. The matrix separation element preferably is used in a radial flow canister magnetic separation apparatus, but also may be used in axial flow and in multi-axial flow magnetic separation devices.

Abstract: A magnetic separator for separating magnetisable particles from a slurry is described. The separator includes means for establishing a magnetic field (10) in a separation zone. At least one separation chamber (12) with an inlet and outlet containing a fluid permeable magnetizable separating packing material, and, at least one compensating chamber (4) containing a magnetizable compensating packing, are linked and are movable such that movement of the separation chamber or chambers into the separation zone results in movement of the compensating chamber or chambers out of the separation zone and vice-versa. The magnetization characteristics and/or the demagnetization factors of the separating and compensating packings are substantially the same.

Abstract: A magnetic separator having a chamber for receiving material to be separated. The magnetic separator utilizes magnets either along the outer surface of an elongated cylindrical chamber or as the shaft of a helical conveyor. Two outputs are provided for discharging the non-magnetic material and the magnetic material separately from each other.

Abstract: A mobile apparatus and process for the separation and recovery of abrasive grit material from blasting material containing waste material and contaminants. The mobile apparatus has a low profile which facilitates the movement of the apparatus to job sites. At the job site the blasting material is collected by the mobile apparatus through a flexible hose connected to a chamber which is under sub atmospheric pressure. A vacuum generator that reduces the pressure in the chamber has sufficient power to allow vacuum collection of the blasting material through the flexible hose when material flow might otherwise clog the hose. The abrasive grit material is removed from the blasting material by self-contained, multi-step separation process situated within the chamber. The mobile apparatus utilizes an initial physical separator, a rotary screen separator, a magnetic separator, and an air wash separation device that are interconnected by a rotary lift wheel.

Abstract: A method for processing wastes from the machining of ferromagnetic materials in which the wastes are mixed with a washing solution in a first tank and oil or oil-and-water emulsion adhering to the wastes is dissolved. Ferromagnetic components of the wastes are then separated from the washing solution in the first tank by means of a magnetic field, and non-magnetic components are then subjected to a washing in a following second tank. The ferromagnetic components are fed to an additional tank where they are washed again. The separated and degreased components are then filtered out of the washing liquids using suitable filtering apparatus.

Abstract: A process for beneficiating a particulate zeolite petroleum cracking catalyst having metal values in excess of 1000 ppm nickel equivalents. The particulate catalyst is passed through a magnetic field in the range of from about 2 Tesla to about 5 Tesla generated by a superconducting quadrupole open-gradient magnetic system for a time sufficient to effect separation of said catalyst into a plurality of zones having different nickel equivalent concentrations. A first zone has nickel equivalents of about 6,000 ppm and greater, a second zone has nickel equivalents in the range of from about 2000 ppm to about 6000 ppm, and a third zone has nickel equivalents of about 2000 ppm and less. The zones of catalyst are separated and the second zone material is recycled to a fluidized bed of zeolite petroleum cracking catalyst. The low nickel equivalent zone is treated while the high nickel equivalent zone is discarded.

Abstract: The improved self-cleaning magnetic separator includes a tube and a conveying flight spiralled about the tube. The separator has a magnetic material collecting portion, a magnetic material discharge portion and a bar-like magnet providing a lobe-like magnetic field. The field is of generally uniform strength along the material collecting portion and diminishes in strength along the discharge portion. In a highly preferred arrangement, the magnet is stationary and the tube and flight rotate with respect to it. Because the magnetic material is "trapped" by the stationary field, such rotation causes the magnetic material to be urged by the flight from the collecting portion to the discharge portion. The field, of diminished strength in the discharge portion, permits magnetic material to fall away from the discharge portion.

Abstract: A bar filter is disclosed which is fit for use in an apparatus for removing phosphates from waste water. Thereto phosphates are chemically bound to magnetic material, like magnetite, and subsequently the liquid containing the suspended particles is fed through a filter according to the present invention. The magnetic particles adhere to the bars of the magnetic filter so that the filter gradually fills with the particles. According to the present invention, the configuration of the bars of the filter is such that the gradient of the magnetic field is substantially constant, leading to an even filling of the filter, so that the frequency of flushing the filter to empty it is limited as far as possible. Preferably the density of the bars is a plane perpendicular to the bars is constant.

Abstract: The magnet filter (10,100) has a frame for supporting a plurality of elongated, non-magnetic tubes (20, 108) in a regular, spaced-apart array. A plurality of magnetic bodies (38,112), which can take a variety of forms, are situated in the spaces between the tubes of the array, for imposing a magnetic field within each tube over substantially the full length of each tube. The upstream end of each tube is adapted for receiving a fluid to be magnetically filtered and the downstream end is adapted for discharging such fluid. As the fluid passes through each tube, the magnetic field imparts a force to the magnetizable particulates, which are drawn toward the magnetized internal structure within the tube where they are deposited, thus filtering the fluid. The magnetic bodies may produce a field that is oriented either substantially parallel to the tube, or transverse to the tube.

Abstract: A pulsed superconducting magnet system includes a vacuum vessel and a cryogenic containment vessel assembly disposed within the vacuum vessel. A superconducting coil is positioned within the cryogenic containment vessel assembly for providing a magnetic field. The vessel assembly includes a helium vessel including a relatively thin metallic inner tube for holding liquid helium and the coil. The helium vessel also includes a relatively thick outer tube encompassing the inner tube with a relatively rigid insulative spacer positioned between the inner and outer tubes so that the tubes are not in contact with each other. The outer tube is predominantly metallic and has at least one joint formed of insulative material to prevent the outer tube from forming a low electrical resistance loop. The inner tube provides a vacuum seal and the outer tube provides structural support for the inner tube so that eddy current losses resulting from ramping of the current to the coil are reduced.

Abstract: An improved magnetic separator arrangement is provided. One major improvement relates to modifications facilitating utilization of relatively dense and tightly packed matrix material within races, through which a slurry of ore material passes during separation. The tightly packed matrix material is accommodated through utilization of flexible race walls, and compression and expansion mechanisms selectively operable to facilitate separation. A cover mechanism inhibits water flow turbulence, during an initial setting up of a magnetic field to entrap magnetic material within the matrix element of each race. A preferred retainer mechanism is provided which facilitates mounting of flap members for use in association with a cover mechanism, as well as retention of the matrix material in a desired position. In a preferred embodiment, the previous features are incorporated into a system fed with an ore material from an inner portion of a circular race, i.e. the center of a rotating drum.

Abstract: An apparatus (10,10') for handling articles by magnetic attraction includes a cylindrical casing (12,12') of nonmagnetic material having upper (22,22') and lower (24,24') ports. A rotatable helix (32,32') is disposed within the casing (12,12') between the ports (22,22',24,24'). Magnetic elements (42,42') are disposed outside of the casing (12,12') for directing a magnetic field through the casing (12,12') and into the casing as the ramp (32,32') rotates. The magnetic field extends along the length of the helical ramp (32,32').

Abstract: The present invention relates to methods and apparatus for segregating paramagnetic from diamagnetic particles in particulate material and, in particular, to the open gradient magnetic separation of ash producing components and pyritic sulfur from coal. The apparatus includes a vertical cylinder and a rotatable vertical screw positioned within the cylinder, the screw having a helical blade angled downwardly and outwardly from the axis. Rotation of the vertical screw causes denser particles, which in the case of coal include pyritic sulfur and ash, which are paramagnetic, to migrate to the outside of the screw, and less dense particles, such as the low sulfur organic portion of the coal, which are diamagnetic, to migrate towards the center of the screw. A vibration mechanism attached to the screw causes the screw to vibrate during rotation, agitating and thereby accommodating further segregation of the particles.

Abstract: A substantially cylindrically shaped rubber scrap block is mounted over a variable size opening on a steel dish cleaning table with any type of disposal system located below the table. The interior of the scrap block includes a plurality of magnets partially embedded in the interior wall thereof in a specific preferred configuration and a slitted flexible diapram attached to the wall intermediate the ends of the scrap block. The exterior of the scrap block deviates from its substantially cylindrical shape only by an alteration of the outside diameter so that it fits any standard opening as various disposal systems have different dimensional specifications. Wastes scraped from dishware pass through the scrap block to be disposed but stainless steel flatware and other metal items are attracted to and held by the magnets.

Abstract: A high gradient magnet is disclosed having a coil of superconducting material immersed in liquid helium in a toroidal shaped liquid helium vessel, supported in axial spaced concentric relation to a toroidal shaped liquid nitrogen vessel which forms one end of a toroidal heat shield made of high heat conductive material in which the liquid helium chamber is supported by a first coil support ring and a second coil support ring. The heat shield and liquid helium chamber are in turn supported in a toroidal shaped vacuum chamber which is in turn supported in a heavy iron cylindrical enclosure closed at the ends and having an opening through the center of its ends. A slurry containing iron particles may pass through the opening in the center whereby the iron particles from the slurry are retained by a matrix. The first coil support ring has two ends supported on the vacuum vessel and an intermediate part.

Abstract: A magnetic materials separator including an axially inclined drum disposed for axial rotation within the curvature of an arcuate magnet structure which extends axially of the drum and is disposed in close-spaced relationship with the outer surface of the drum. The magnet structure comprises an axially extending series of arcuate magnet yokes, each comprising an axially laminated array of arcuate magnet sub-assemblies which are alternately polarized in opposite axial directions. Each of the sub-assemblies comprises an arcuate magnet axially polarized and sandwiched between a arcuate pair of soft magnetic flux concentrators which have respective axial thicknesses between five and twenty percent of one-half the axial thickness of the sandwiched magnet.

Abstract: Magnetic separator in which the particles forming the mixture to be separated drop from an opening into a separating space, where they are exposed to the action of a magnetic field having a gradient in the horizontal plane and produced outside the separating space.The magnetic field is of the multipole type having a high dipole component in a direction in a horizontal plane in the separating space, in order to apply a high magnetic force to the magnetized particle, in order to increase the separation as a function of their magnetic susceptibility. The magnetic separator according to the invention can more particularly be used for the separation or cleaning of particles having different magnetic properties.

Abstract: The invention relates to apparatus for separating ferromagnetic particles from a slurry, in which the slurry passes through a tunnel-shaped channel which is surrounded by a magnet coil the iron yoke of which is constructed asymmetrically in such a way that the magnetic field strength in the channel increases from the top towards the bottom.

Abstract: The device using high-gradient magnetic separation techniques to extract magnetizable particles from a flowing medium contains a filter structure which has several wire nets made of non-corroding, ferromagnetic material with a predetermined mesh width and wire gauge. These nets are arranged, one behind the other, perpendicular to the direction of flow of the medium. The wire nets are subjected to a magnetic field that is either parallel or antiparallel to the direction of flow of the medium. In order to increase the rate of separation, particularly for particles of varying size and magnetizability, and the maintenance interval for this separation device, the filter structure is divided into at least two parts (10, 11) arranged one after the other along the direction of flow of the medium (M), with the magnetic flux density (B.sub.1) present in the region of the first part (10) of the filter structure that is smaller than the magnetic flux denisty (B.sub.

Abstract: A magnetic separator useful for treating chips in a machine tool is disclosed, which comprises a separating cylinder, a plurality of magnetic plates arranged at an outer periphery of the cylinder and spaced apart each other, an inlet for a fluid suspension at a middle part of the cylinder, outlets for a separated fluid at one end and for the suspended matter, such as machined chips, at the other end of the cylinder, and a screw conveyor inserted into the cylinder in such a way that the screw conveyor is contacted at its peripheral edge with an inner wall of the cylinder. The magnetic plates are arranged in a circle around the cylinder with the polarity of the adjacent magnetic plates arranged in a special sequence for generating a maximum magnetic flux toward the axial center of the cylinder. Also, the magnetic plates extend from the inlet near the middle of the cylinder to both outlets at opposite ends of the cylinder for achieving a strong magnetization of the chips suspended in the fluid.

Abstract: An apparatus including centrifugal, magnetic and screening components for separating contaminating solid magnetic and/or non-magnetic particles from a fluid. The centrifugal, magnetic and screening components, during the operation of the apparatus, are supported by and enclosed within a housing. The housing is readily openable to provide access to all of the components for cleaning and/or repair and/or replacement, and the components are so related that fluid "starving" of a system in which the apparatus is in series with other components is substantially prevented.