Abstract: A magnetic assembly includes magnets arranged in a Halbach array. The magnets include a first magnet and a second magnet positioned adjacent the first magnet. The first magnet and the second magnet have adjacent surfaces. A cavity is formed in the each of the adjacent surfaces and is aligned with the cavity formed in the adjacent surface of the adjacent magnet. The magnetic assembly also includes a ferromagnetic pin positioned within the aligning cavities to connect the first magnet and the second magnet. The ferromagnetic pin has a size, a shape, and a magnetic permeability that facilitate a magnetic force between the first surface and the second surface inducing a magnetic flux path through the ferromagnetic pin such that an apparent magnetic force between the first surface and the second surface is one of i) a repelling force less than 5 newtons (N) and ii) an attracting force.

Abstract: Embodiment of the present invention includes a magnetic structure and a magnetic structure used in a direct current (DC) to DC energy converter. The magnetic structure has an E-core and a plate, with the plate positioned in contact or in near contact with the post surfaces of the E-core. The E-core has a base, a no-winding leg, a transformer leg, and an inductor leg. The no-winding leg, the transformer leg, and the inductor leg are perpendicular and magnetically in contact with the base. The plate is a flat slab with lateral dimensions generally larger than its thickness. The plate has a plate nose that overlaps a top no-winding leg surface of the no-winding leg with a no-winding gap area to form a no-winding gap with a no-winding gap reluctance. The plate also has a plate end that overlaps a top inductor leg surface of the inductor leg with an inductor gap area to form an inductor gap with an inductor gap reluctance. In some embodiments, e.g.

Abstract: A new type of two-terminal magnetic memory device, referred to as antiferromagnetic voltage-controlled memory (AVM) device is disclosed. Antiferromagnetic (AFM) materials have zero magnetization, which makes it immune to external magnetic fields and opens to the possibility to implement high-density arrays without dipole coupling between adjacent devices. The AVM device combines a new state variable e.g., Néel vector l in a metallic (or non-metallic) AFM material with an electric-field-induced switching mechanism for writing of information. Utilizing electric fields E via an interfacial voltage-controlled magnetic anisotropy (VCMA) effect is a more efficient writing mechanism. The AVM device implements an antiferromagnetic tunnel junction (AFM-TJ) structure to exhibit high or low resistance states (HR, LR) corresponding to binary logic states of zero (0) or one (1). Both the AVM device structure and methods of writing a signal to the AVM device are disclosed.

Abstract: Exemplary embodiments of the present disclosure provide a spin valve and a spintronic device comprising the same. The spin valve may comprise two or more magnetic layers stacked in sequence, wherein the spin valve further comprises at least one pair of nonmagnetic semiconductor layers arranged between any two adjacent magnetic layers among the two or more magnetic layers, wherein a built-in electric field is formed between the at least one pair of nonmagnetic semiconductor layers.

Abstract: A pediatric magnetic resonance imaging (MRI) system includes a magnet (9), an isolette (14) including a patient section for accommodating a patient, the isolette positionable relative to the magnet; and a radio frequency (RF) array (10) positionable within the patient section of the isolette (14). The RF array (10) includes a plurality of coils configured for simultaneous imaging of different portions of a patient, the plurality of coils being distinct from one another.

Abstract: A solenoid is provided with a valve body having a cylindrical shape extending along a front-rear direction, and a device connector including leg portions projecting outward from a side wall of the valve body and a connector housing provided on sides of the leg portions opposite to the valve body with a clearance provided between the side wall of the valve body and the connector housing, and a magnetic shield member made of metal, to be mounted outside the valve body and having a tubular shape open on one end part. The magnetic shield member includes avoidance recesses formed into a concave shape from an opening end to avoid interference with the leg portions and an inserting portion to be inserted into the clearance between the side wall of the valve body and the housing.

Abstract: A power supply includes a power source, a primary inductive path, and a secondary inductive path. The primary inductive path coupled to receive input current from the power source. The secondary inductive path is magnetically coupled to the primary inductive path to adjust current flow through the primary inductive path, the primary inductive path operable to produce an output voltage.

Abstract: A tool system including a housing fastened to a tool, the housing being formed of a non-magnetic material, a magnet module embedded in the housing, a pair of mounting grooves in the housing and located below the magnet module, a changer body provided on a manipulator, the changer body being formed a non-magnetic material, a metal bar mounted on the changer body, a pair of terminals provided at both ends of the metal bar, the pair of terminals being formed of magnetic material, the pair of terminals facing the magnet module, a fixing bar outside the housing, the fixing bar being formed of a magnetic material, and a pair of mounting pins extending vertically from both ends of the fixing bar, the pair of mounting pins being formed of magnetic materials, and the pair of mounting pins are inserted into the pair of mounting grooves is provided.

Abstract: A rotary-linear actuation assembly is provided, in particular of a kind suitable to provide in independent manner at its output, either sequentially or simultaneously, a rotary movement and a linear translation movement. The assembly comprises a casing internally housing an output shaft arranged coaxial with an actuation axis (A) in a translationally and rotationally movable manner; and at least two electromagnetic actuators each comprising a respective electromagnetic stator and a respective magnetic rotor, a first of which being a linear actuator adapted to impart, at its output, a translational movement along the actuation axis (A), and a second of which being a rotary actuator adapted to impart, at its output, a rotary movement around the actuation axis (A). The electromagnetic stators of the electromagnetic actuators are arranged in a mutually coaxial and concentric manner, and each actuator independently acts on the output shaft.

Abstract: A helical superconducting undulator includes a cylindrical magnetic core through which a bore hole allows the passage of charged particles. A single superconducting wire wraps the magnetic core guided by helical flights and cylindrical protrusions, to create interleaved helical windings on the magnetic core. An electrical current may be supplied to the superconducting wire to generate a periodic helical magnetic field in the bore. The helical superconducting undulator also includes a strong-back enclosure that acts as an epoxy mold during epoxy impregnation, a structural support to ensure straightness of the undulator after epoxy impregnation, and assists in cooling and thermal control of the magnetic core and superconducting wire during device operation.

Abstract: Embodiments describe a receiving element that includes a ferromagnetic structure axially symmetrical around a central axis disposed along a length of the ferromagnetic structure. The ferromagnetic structure includes a groove region defining two end regions on opposing sides of the groove region, where the groove region has a smaller length than the two end regions. The receiving element also includes an inductor coil wound about the groove region of the ferromagnetic structure and in between the two end regions.

Abstract: The current invention relates to a magnetic pole assembly, providing flux to an air gap, comprising one or more magnetic pole pieces and one or more sources of magnetic flux. Said one or more sources of magnetic flux lie adjacent to the axial faces and circumferential faces and one of the radially inner face or radially outer face of each magnetic pole piece. Thereby to allow flux created by said one or more sources of magnetic flux to enter the one or more magnetic pole pieces in order to focus the magnetic flux of said pole piece towards and out of the radial surface not having a source of magnetic flux adjacent thereto. Such an arrangement, increases the flux density in the air gap adjacent to said radial surface not having a source of magnetic flux adjacent thereto.

Abstract: A ceramic core, which is made of a ferrite material including Ni and Zn, includes an axial core extending in a length direction and a pair of flange portions disposed at both ends of the axial core in the length direction. The dimension L of the ceramic core in the length direction satisfies 0 mm<L?1.1 mm. The surface roughness of a ridge portion of the axial core is less than or equal to 2.5 ?m.

Abstract: A ferrite powder for bonded magnets having a high iHc value usable even in a low temperature environment, a method for producing the same, and a bonded magnet using the ferrite powder and having high iHc value which can be used even in a low temperature environment, wherein a specific surface area is 2.20 m2/g or more and less than 3.20 m2/g; a compression density is 3.30 g/cm3 or more and less than 3.60 g/cm3, and a compressed molding has a coercive force of 3250 Oe or more and less than 3800 Oe.

Abstract: A method for traversing a magnetically inducible surface using a multidirectional wheel is provided. The method includes providing a vehicle having the multidirectional wheel, rotating a hub of the wheel along a first axial direction of rotation, continuing rotation of the hub of the wheel so as to cause a first roller disposed about a periphery of the hub to move out of contact with a first portion of the magnetically inducible surface and to cause a second roller disposed about the periphery of the hub in a plurality of rollers to contact a second portion of the magnetically inducible surface, wherein at least one roller among the plurality of rollers is in contact with the magnetically inducible surface throughout rotation of the wheel, and wherein the flux of the at least one magnet is concentrated toward portions of the surface being traversed adjacent to one or more of the plurality of rollers throughout rotation of the wheel.

Abstract: Wireless power transfer systems comprising of special arrangements of magnetic field generating materials within the wireless power transmitter and the wireless power receiver. The arrangement enables a greater amount of the magnetic field to be contained within the air gap between the wireless power transmitter and the wireless power receiver than outside of the air gap.

Abstract: A variable-frequency magnetoresistive effect element includes a magnetoresistive effect element, a magnetic-field applying mechanism that applies a magnetic field to the magnetoresistive effect element, an electric-field applying mechanism that applies an electric field to the magnetoresistive effect element, and a control terminal connected to the electric-field applying mechanism and used for applying a voltage that varies in at least one of magnitude and polarity to the electric-field applying mechanism. The magnetoresistive effect element contains an antiferromagnetic material or ferrimagnetic material having a magnetoelectric effect. A spin torque oscillation frequency or spin torque resonance frequency of the magnetoresistive effect element is controlled by varying the voltage applied via the control terminal in at least one of magnitude and polarity.

Abstract: This invention entails the use of fractal shapes as cores for electromagnets, and a concurrent shape of a fractal for the windings which surround it. The novelty of this invention lies not only with the shaping, but the advantage of such shaping, which includes producing a smaller form factor electromagnet for the same desired magnetic field strength, when compared to a conventional electromagnet. It will be appreciated that a range of devices including electromagnets, based on such fractal shaping, are additionally novel and include but are not limited to solenoid switches, relays, and other devices in which the fractal electromagnets are used to make a change in state of some device.

Abstract: According to some aspects, a low-field magnetic resonance imaging system is provided. The low-field magnetic resonance imaging system comprises a magnetics system having a plurality of magnetics components configured to produce magnetic fields for performing magnetic resonance imaging, the magnetics system comprising, a B0 magnet configured to produce a B0 field for the magnetic resonance imaging system at a low-field strength of less than 0.

Abstract: A continuous winding method produces a continuously wound electrical device, such an undulator. A continuous tape is wound about a series of turn around pins and in grooves in a magnetic core. A plurality of winding stacks are created, each transitioning to the next sequential stack by a transition tape portion extending from one turn around pin to the next turn around pin, which is position opposite with regard to the location of the pin on the magnetic core.

Abstract: A magnetic trap is configured to arrange at least one diamagnetic rod. The magnetic trap includes first and second magnets on a substrate that forms the magnetic trap defining a template configured to self-assemble diamagnetic material. Each of the first and second magnets extends along a longitudinal direction to define a magnet length, and contact each other to define a contact line. The first magnet and the second magnet have a diametric magnetization in a direction perpendicular to the contact line and the longitudinal direction so as to generate a longitudinal energy potential that traps the diamagnetic rod along the longitudinal direction.

Abstract: An improved wireless transmission system for transferring power over a distance. The system includes a transmitter generating a magnetic field and a receiver for inducing a voltage in response to the magnetic field. In some embodiments, the transmitter can include a plurality of transmitter resonators configured to transmit wireless power to the receiver. The transmitter resonators can be disposed on a flexible substrate adapted to conform to a patient. In one embodiment, the polarities of magnetic flux received by the receiver can be measured and communicated to the transmitter, which can adjust polarities of the transmitter resonators to optimize power transfer. Methods of use are also provided.

Abstract: A solid-core ring-magnet having one or more cavities is provided. The magnet can have an overall cylindrical shape or a rectangular-prism shape. In either case, a portion of cavity walls of the magnet are ring shaped, causing the magnetic field lines to emanate from the magnet in the shape of a ring. The diameter of the ring shaped cavities can be constant throughout, constant through a portion of the cavity, variant throughout, or variant through a portion of the cavity. The cavities open to the end of the magnet, and terminate toward the core of the magnet. Also provided are systems and kits having solid-core ring-magnets. Methods of purifying a macromolecule using the solid-core ring-magnets are also provided.

Abstract: A sensor assembly includes a housing, a shield member, a magnetic field sensor, and a sensing magnet. The housing is configured to be mounted at least proximate to an electromagnetic coil that generates a first magnetic field to cause a movable component to move linearly along an axis based on the strength of the first magnetic field. The sensing magnet is configured to be coupled to the movable component to move therewith. The magnetic field sensor and the sensing magnet are disposed within a shielded chamber defined by the shield member, which is ferrous to shield the magnetic field sensor and sensing magnet from the first magnetic field. The magnetic field sensor detects an electrical characteristic responsive to a second magnetic field produced by the sensing magnet to monitor a position of the movable component along the axis.

Abstract: A speaker assembly includes a shellpot for receiving a speaker motor, the shellpot including an upstanding rim on an upper portion of the shellpot, and speaker basket including a base portion having an opening therein for receiving the shellpot. An insert member is disposed adjacent the speaker basket and the rim, wherein a plurality of sections of the rim are displaced to abut the insert member and couple the shellpot to the speaker basket. A method of assembling the speaker assembly is also provided.

Abstract: A solid-core ring-magnet having one or more cavities is provided. The magnet can have an overall cylindrical shape or a rectangular-prism shape. In either case, a portion of cavity walls of the magnet are ring shaped, causing the magnetic field lines to emanate from the magnet in the shape of a ring. The diameter of the ring shaped cavities can be constant throughout, constant through a portion of the cavity, variant throughout, or variant through a portion of the cavity. The cavities open to the end of the magnet, and terminate toward the core of the magnet. Also provided are systems and kits having solid-core ring-magnets. Methods of purifying a macromolecule using the solid-core ring-magnets are also provided.

Abstract: The present invention provides a soft magnetic powder core with a high electrical resistivity and a high strength. The soft magnetic powder core of the present invention is characterized in that in the soft magnetic powder core containing soft magnetic metal particles with Fe as the main component, the powder core has the structure in which oxide portions are present among soft magnetic metal particles, and the oxide portions are composed of oxides containing V, B and Fe. Further, the amount of B contained in the oxide portions of the powder core is 0.5 or more times and 5.0 or less times of the amount of V in terms of mass ratio.

Abstract: A drum assembly includes a drum, a stimulus processor assembly and a Tesla coil. The stimulus processor assembly receives a stimulus, generates an input signal, and converts the input signal to an output signal. The Tesla coil receives the output signal from the stimulus processor assembly. The Tesla coil emits an electrical discharge in response to the output signal. The electrical discharge occurs at least partially within the drum interior. The stimulus processor assembly uses a conversion algorithm to convert the input signal to an output signal. The Tesla coil can be positioned inside or outside of a drum interior of the drum. A discharge router can send the electrical discharge from the Tesla coil to the drum interior. The electrical discharge can have an intensity that is correlative to the decibel level of the stimulus. The stimulus can be generated by the drum or by a source remote from the drum.

Abstract: A bonded magnet is provided which includes first and second components. The first and second components have first and second non-action surfaces, and first and second action surfaces that intersect the first and second non-action surfaces, respectively. First and second flux groups curve inside the first and second components from the first and second non-action surfaces to the first and second action surfaces, respectively. The areas of the first and second non-action surfaces are greater than the first and second action surfaces, respectively. The flux densities on the first and second action surfaces are higher than the first and second non-action surfaces, respectively. The pole on the first non-action surface is opposite to the second non-action surface. The first and second non-action surfaces are coupled to each other. The first flux groups continuously extend from one to another.

Abstract: A magnetic circuit that forms an arc-shaped magnetic field space is provided. Of two magnets constituting a first magnetic circuit 10, a first magnetic pole 1 is provided with a first yoke 11 that is arc-shaped in planar view, a first magnet 13 that is arc-shaped in planar view and a magnetic pole piece 15. On the other hand, a second magnetic pole 2 is provided with a second yoke 21 that is arc-shaped in planar view, a second magnet 23 that is arc-shaped in planar view and a magnetic pole piece 25. The first magnetic pole piece 15 and the second magnetic pole piece 25 are disposed so as to be opposed to each other while being separated from each other. The first magnet 13 and the second magnet 23 are formed by arranging a plurality of small magnets.

Abstract: The present disclosure discloses a DC-DC converter and a DC-DC converter system thereof. The DC-DC converter includes: a power conversion circuit; and a current detection circuit for detecting current flowing into or flowing out of the power conversion circuit, which includes: an inductor coupled to the power conversion circuit; a detection module including an induction winding and an impedance component electrically connected in series, the detection module and the inductor being connected in parallel; and an output module coupled to two ends of the impedance component for generating a current detection signal reflecting the current flowing into or flowing out of the power conversion circuit.

Abstract: Disclosed herein are a power transmitting coil used to wirelessly transmit a power and a wireless power transmitting apparatus wirelessly transmitting a power using the power transmitting coil. The power transmitting coil includes at least one first coil mounted on a central portion of a core in which, when the power transmitting coil transmits a power, a current flows in a first direction; and at least one second coil disposed at an outer side of the first coil in which, when the power transmitting coil transmits a power, a current flows in a second direction opposite to the first direction. The wireless power transmitting apparatus wirelessly transmits the power using the power transmitting coil including the first coil and the second coil.

Abstract: Method and apparatus for a mechanical latching of at least one pole of a relay selected from SPST, SPDT, DPDT, reversing DPDT, multi pole MPST and MPDT using a mechanical latching device attached to or actuated by an armature for pulling a springy element for maintaining engagement between at least one pole contact and at least one of a terminal contact, including PCB assembly for controlling the relay and operating electrical loads by feeding electric power pulse to a relay coil for pulling the armature including a CPU program for providing communication and controlling for the relay to switch on-off or change over, or from cross to straight and straight to cross.

Abstract: Method and apparatus for a mechanical latching of at least one pole of an hybrid switch selected from SPST, SPDT, DPDT, reversing DPDT, multi pole MPST and MPDT including the integration of one of a single and plurality of hybrid SPDT or DPDT switches using springy element to maintain the engagement between the poles and one of the contacts including PCB assembly, for operating electrical loads via the switch manual key including the introduction of a key-plunger combination into the latching hybrid switch and remotely by powering the coil by a power pulse, including a CPU program for providing any of the manual keys of each SPDT or DPDT connected in a traveler lines to the integrated switch-relay to switch on-off group of loads and all the loads of home automation network or grid via optical cable, RF, IR in line of sight and bus line.

Abstract: The present invention provides a Fe-group-based soft magnetic powder that is used for the pressed powder magnetic cores for a choke coil, reactor coil, etc., and that has a higher magnetic permeability. At least one selected from Fe, Co, or Ni that is generally used is used as the main component of the Fe-group-based alloy (iron-based alloy) soft magnetic powder. The soft magnetic powder is produced by adding a small amount (0.05-4 wt %) of Nb, V, Ta, Ti, Mo, or W, to the molten metal and by means of an inexpensive method such as the water-atomizing method.

Abstract: A magnetic enclosure providing a uniform magnetic field in a test chamber and comprising substantially identical first north magnetic structure and second south magnetic structures that are disposed in geometric mirroring symmetry opposite to each other and separated by an air gap forming the test chamber. Each magnetic structure includes a cap-like permanent magnet assembly covering a convex ferromagnetic pole piece, a ferromagnetic cap-like shield covering the magnet assembly, and a ferromagnetic ring. The ring is in contact with and intermediate the shield of the first and of the second magnetic structure, and has at least one aperture allowing access to the test chamber.

Abstract: In a Hall thruster 10, an acceleration channel 12 ionizes propellant flowing into an annular discharge space 11 to generate ions, and accelerates and discharges the generated ions. A distributor 37 supplies propellant from a plurality of holes 13 arranged azimuthally, via an anode 14 penetrating to the discharge space 11 of the acceleration channel 12, to the discharge space 11 of the acceleration channel 12, an amount of the propellant varying according to positions of the plurality of holes 13, thereby generating a plurality of regions, between adjacent ones of which the mass flow rate of the propellant is different, azimuthally in the discharge space 11 of the acceleration channel 12.

Abstract: Apparatus and methods for an extended-width flexible magnetic sheet (“EWFMS”) are provided. The EWFMS may include a first layer. The first layer may include a first sheet of magnetic material, a second sheet of magnetic material and a joint between the first sheet and the second sheet. The EWFMS may include a second layer. The second layer may include a third sheet of magnetic material, a fourth sheet of magnetic material and a joint between the third sheet and the fourth sheet. The EWFMS may include a first vinyl layer. The first vinyl layer may join the first sheet to the second sheet. The first vinyl layer may cover the joint along a length of the EWFMS. The EWFMS may include a second vinyl layer affixed to the first vinyl layer. The EWFMS may include a polymer layer affixed to an underside of the EWFMS.

Abstract: An apparatus, and method of constructing such an apparatus, conducts and insulates materials with intervening coolant channels, wherein the conducting materials form an electromagnet.

Abstract: A gradient coil is provided. The gradient coil comprises: a first layer comprised of a first plurality of turns of wires; and a second layer of coil comprised of a second plurality of turns of wires. Each turn of wire in the first and second plurality of turns of wires circles along the side walls of a cylindrical substrate and each turn of wire in the first and second plurality of turns of wires include a first portion wound along the inner side wall of the substrate and a second portion wound along the outer side wall of the substrate.

Abstract: An electromagnetic connector is disclosed that is configured to form a first magnetic circuit portion comprising a first core member and a first coil disposed of the first core member. The electromagnetic connector is configured to mate with a second electromagnetic connector, where the second electromagnetic connector is configured to form a second magnetic circuit portion comprising a second core member and a second coil disposed of the second core member. The first core member and the second core member are configured to couple the first coil to the second coil with a magnetic circuit formed from the first magnetic circuit portion and the second magnetic circuit portion when the electromagnetic connector is mated with the second electromagnetic connector. The magnetic circuit is configured to induce a signal in the first coil when the second coil is energized.

Abstract: A nano-patterned system comprises a vacuum chamber, a sample stage and a magnetic-field applying device. The magnetic-field applying device comprises a power supply, magnetic poles, and a magnetic-field generation device having a magnetic conductive soft iron core and a coil connected to the power supply and wound on the soft iron core to generate a magnetic field. The soft iron core is a semi-closed frame structure and the magnetic poles are respectively disposed at the two ends of the semi-closed frame structure. The sample stage is inside the vacuum chamber. The magnetic poles are opposite one another inside the vacuum chamber with respect to the sample stage. The coil and soft iron core are outside the vacuum chamber. The soft iron core leads the magnetic field generated by the coil into the vacuum chamber. The magnetic poles locate a sample on the sample stage and apply a local magnetic field.

Abstract: A magnetization controlling element includes a ferromagnetic material layer, an exchange coupling adjustment layer, an antiferromagnetic material layer, an electrode layer, a magnetic field applying mechanism which applies a magnetic field to the antiferromagnetic material layer, and an electric field applying mechanism which applies an electric field to the antiferromagnetic material layer. The antiferromagnetic material layer contains an antiferromagnetic material or ferrimagnetic material having a magnetoelectric effect, the ferromagnetic material layer includes a perpendicular magnetization film having a magnetization component perpendicular to the film surface, the ferromagnetic material layer includes a ferromagnetic material layer that is magnetically connected, through exchange coupling, to the antiferromagnetic material layer. The exchange coupling adjustment layer has a function of adjusting exchange coupling between the ferromagnetic material layer and the antiferromagnetic material layer.

Abstract: A cylindrical magnetic circuit which is able to prevent deformation of a cylindrical yoke for holding two or more magnets without increasing the thickness of the yoke more than required, and a method of producing such a circuit. A cylindrical magnetic circuit (1) for generating a magnetic field in a space inside of plural annularly placed magnets (2), including: a cylindrical yoke (3) which is placed radially outside the magnets (2) and is fixed to the magnets directly or via an intermediate member or substance; and at least one nonmagnetic member 4 existing between pairs of circumferentially adjacent magnets, and a method for producing the cylindrical magnetic circuit (1).

Abstract: A magnet apparatus which comprises a first vacuum chamber, a second vacuum chamber, a first magnet disposed within the first vacuum chamber such that the first magnet can be thermally isolated from the exterior of the first vacuum chamber, and a load connector extending from the first vacuum chamber into the second vacuum chamber so that a load on the first magnet can be transferred to the second vacuum chamber, wherein the load connector is in thermal contact with the first magnet and can be thermally isolated from the exterior of the first vacuum chamber and the exterior of the second vacuum chamber.

Abstract: A magnetic assembly for use in a housing of an electronic device can include a first and a second magnet and a magnetic shield. The magnetic shield can reduce magnetic flux density from the first and the second magnets that can appear on the outside of the housing. A magnetic hinge assembly can include magnets configured to correlate with the first and second magnets. The magnetic hinge can magnetically attach to the housing by cooperating with the first and second magnets with magnets that can be included in the magnetic hinge.

Abstract: An electromagnet device has a spool having a guard portion at at least one end thereof, a coil wound around a body portion of the spool, and a coil terminal press-fitted in the guard portion. A lead wire of the coil is tied up to a tying-up portion of the coil terminal projected from the guard portion. The tying-up portion is folded toward the guard portion of the spool after the lead wire of the coil is tied up to the tying-up portion of the coil terminal extending in a direction receding from the spool.

Abstract: According to one embodiment, a superconducting magnet apparatus includes: a first superconducting coil and a second superconducting coil respectively arranged in a vacuum container; a first cooling unit configured to cool the first superconducting coil; and a second cooling unit configured to cool the second superconducting coil and controlled independently from the first cooling unit by a cooling method different from the cooling method of the first cooling unit.

Abstract: A shunt plate is provided that is associated with a first side of a multi-pole magnetic structure. The shunt plate provides a magnetic short between opposite polarity magnetic sources on the first side of said magnetic structure, the magnetic short causing a magnetic flux of said opposite polarity magnetic sources to be routed from said first side of the magnetic structure through said magnetic structure to the second side of said magnetic structure. The thickness of the shunt plate is selected by determining the integrated flux across a magnetic source of the magnetic structure such that the corresponding flux density in the shunt plate does not substantially exceed the flux density saturation level of a cross section of the shunt plate.

Abstract: A device for the creation of propulsive force comprising a magnet, such as a permanent magnet or a superconductive solenoid, fixedly mounted at the narrow end of a converging nozzle made of a superconductor, such as a type II superconductor, e.g. like the rare earth Ba—Cu—O superconductors Sm—Ba—Cu—O or Y—Ba—Cu—O. The magnetic field generated by the interaction of the magnet with the superconducting nozzle due to Meissner effect, acts in the form of pressure on nozzle thereby producing a propulsive force directed toward the nozzle's converging end. The propulsive force being developed may be used for propelling or actuating any machine or vehicle, as well as in the production of energy.