Abstract: A particle separator is provided that separates small particulate from large particulate from an intermixed material feed. The separator finds particular utility in the field of separation of thermoplastic regrind particulate from intermixed debris which constitutes a smaller particulate relative to the thermoplastic regrind. Embodiments of the separator use a rotary shaft for mounting an spiral blade fed by a material feeder bin that meters material into the separator. The spiral blade is configured so that the material moves along a peripheral mesh screen to separate any smaller particulate that passes through the mesh screen leaving the large particulate to traverse though the separator, while small particulate is sieved therefrom the surrounding mesh and into a separate collection stream.

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 method and apparatus for assigning IP addresses to occupants in a communications system chassis with an Ethernet backplane and at least one internal chassis occupant, comprising receiving a request for an IP address from a component, determining whether the component is an internal chassis occupant, if the component is an internal chassis occupant, assigning an IP address to the component.

Abstract: Electrodynamic separation of non-ferromagnetic, free-flowing materials, in which at least one component of the material to be processed is electrically conductive, whereby such material is caused to free-fall into a region of space permeated by time and space varying magnetic fields which induce eddy currents in the electrically conductive particles which produce forces on such particles that result in substantially different free-fall trajectory than that of nonconductive particles. Conductive particles are separated on the basis of mass, electrical conductivity and magnetic susceptibility. The time and space varying magnetic fields are generated by a plurality of permanent magnets or electromagnets attached to a rotor assembly such that the polarity of adjacent magnets is caused to reverse so that rotation of the rotor assembly generates magnetic fields which may vary in time and space to the maximum extent.

Abstract: A magnetic separator comprising a rotatable drum including an axis of rotation and a periphery comprising a plurality of magnet blocks. The magnet blocks are mounted and arranged as circular rings about the axis of rotation. The ith magnet block is magnetized in a predetermined direction defined by .psi..sub.i =-n.rho..sub.i where n is a positive number and .phi..sub.i is an angle described by a line from the center of gravity of the ith block to the axis of rotation and a predetermine radius vector. The spacing between neighboring centers of gravity of the magnetic blocks, expressed as a sector angle, is smaller than or equal to about .pi./2 (n+1).

Abstract: Materials separator apparatus for segregating electrically conductive particles having a wide range of sizes from a stream of commingled materials. The apparatus includes a material feeder device disposed for directing the commingled particles into a stream. A spatially alternating, steady-state array of juxtaposed, oppositely directed magnetic fields of varying widths is established adjacent the stream. As the materials pass through the magnetic fields, forces exerted on the electrically conductive particles cause lateral deflection of these particles from the stream thereby providing the desired separation. Because the widths of the magnetic fields vary over a wide range, the apparatus provides effective separation of a wide range of sizes of electrically conductive particles.

Abstract: A continuous flow magnetic separator is disclosed for classifying magnetic and paramagnetic particles as concentrate from their mixture with ambient tailings. The separator includes a helical classifying path interior of a non-magnetic, non-conductive conduit, with the conduit wound along a path having an "uphill-downhill" slope with respect to the ambient gravitational bias. A magnetic field (preferably generated by an AC or DC energized coil) is aligned substantially coincident to the axis of generation of the helical path. This magnetic field is confined interior of a high permeability (preferably laminated) magnetic field conducting core having two elements. The first element, to which the coil is attached, is an outer cylindrical conductor (preferably closed at the bottom) defining interiorly thereof a cylindrically shaped inner volume. The second element is a cylindrical rotor having serrated edges and mounted for rotation about the axis of the helical path.

Abstract: A magnetic system is mounted for rotation in a housing along the inner surface thereof. The housing is stationarily supported in a jacket having an inlet and outlet and defining with the outer surface of the housing a passage for a material containing magnetically attractable particles between the inlet and the outlet. As the material passes through the passage, the magnetically attractable particles are attracted to the outer surface of the housing and dragged along the same to a predetermined location.