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4996496 |
Bending magnet
In a bending magnet, a core which is substantially sectoral or semi-circular in horizontally sectional configuration and in which opposed magnetic poles are formed and a vacuum chamber for storage...
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4994633 |
Bend-tolerant superconductor cable
An electric cable for shielding the conductor therein from tensile stresses during bending of the conductor in a predetermined lateral direction. An elongated duct having a pair of opposed...
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4992696 |
Apparatus having reduced mechanical forces for supporting high magnetic fields
The present invention identifies several configurations of conducting elements capable of supporting extremely high magnetic fields suitable for plasma confinement, wherein forces experienced by...
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4990878 |
Superconducting magnet device
A superconducting magnet device includes a superconducting coil for generating a magnetostatic field, and a pulsating magentic field generating coil disposed on the inner diameter side of the...
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4986078 |
Refrigerated MR magnet support system
A magnet cartridge and thermal shield are supported by three concentric nested thin wall tubes from a vacuum vessel. The innermost tube of thermal insulating material is affixed to magnet cartridge...
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4982571 |
Safety apparatus for superconducting magnetic energy stored system
A self contained, self charging automatic hydraulic activation mechanism (AHAM) for a superconducting energy magnetic storage (SMES) system is disclosed. The AHAM is operatively coupled to arc...
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4979704 |
Apparatus for retaining a superconducting cable in a coil stack
An apparatus for holding a superconducting cable comprising a support structure having grooves and a slot that receives the cable. The apparatus is also comprised of at least one cable retaining...
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4978936 |
Superconducting magnetic coil element having terminals bonded to the coil body
A superconducting magnetic element is provided wherein the terminals are bonded to the coil body and are independent of that coil body supporting structure. The technology employs a terminal...
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4978920 |
Magnetic field screens
The screen is provided by surrounding the coil producing the magnetic field with a set of electrical conductors the currents within the conductors being controlled in such a manner that the field...
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4977384 |
Micropole undulator
Micropole undulators for use in the generation of x-rays from moving charged particles are disclosed. Two rows of spaced apart poles are arranged so that each pole produces a magnetic field aligned...
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4975669 |
Magnetic bottle employing Meissner effect
The Meissner effect is employed to generate a magnetic bottle in the interior region of a hollow superconductor, such as a hollow cylinder. One or both ends of the interior region of the hollow...
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4974113 |
Shielding superconducting solenoids
A self-shielding system of closed superconducting circuits shields a specific volume from changes in an external magnetic field in which the circuits are located; the configuration of circuits is...
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4970483 |
Coil-like conductor of sintered superconducting oxide material
A coil-like conductor of superconducting material is made from a solid element of sintered superconducting oxide, having a high critical temperature, with the shape of said conductor being imparted...
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4968961 |
Superconducting magnet assembly with suppressed leakage magnetic field
A superconducting magnetic assembly has a first superconducting coil for generating a magnetic field in an internal magnetic space in the first superconducting coil, a pair of second...
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4969064 |
Apparatus with superconductors for producing intense magnetic fields
Apparatus for generating a magnetic field includes a superconducting coil winding and a conducting, non-magnetic electrical field member in proximity to and insulated from the winding. The winding...
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4963852 |
Superconductor switch
A current controlled superconducting switch has a current controlling constriction such that the level of the input determines the condition of the switch. A plurality of the superconducting...
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4956608 |
Apparatus for propagating a quench in a superconducting magnet
In one aspect of the present invention a superconductive magnet for use in a magnetic resonance imaging and spectroscopy is provided. The magnet comprises a cylindrical coil form having a plurality...
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4943781 |
Cyclotron with yokeless superconducting magnet
A cyclotron having a cylindrical superconducting magnet which generates an axial magnetic field and has a central opening or chamber of substantially circular cross-section. The accelerating beam...
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4943792 |
Superconducting switch pack
A superconducting switch pack has six switch elements arranged with three in each of two planes. Each switch element is made of a length of cupro-nickel matrix multi-filamentary superconducting...
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4942378 |
High-speed superconducting switch and method
A high-speed superconducting switch and method. A body of superconductive material has a primary conductive plane through which primary current flows in an electrical circuit. Control current is...
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4942379 |
Superconductor for magnetic field shield
A superconductor for magnetic field shield comprising closed-ring disc-shaped superconductive magnetic field shielding members and spacing members having the same shape as that of the magnetic...
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4939120 |
Superconducting rotating assembly
A non-contacting superconducting rotating assembly is described which includes a floating, unsupported and stable rotor. The assembly includes first and second bearings comprised of a material...
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4939493 |
Magnetic field generator
A magnetic field generating device provides a useful magnetic field within a specific retgion, while keeping nearby surrounding regions virtually field free. By placing an appropriate current...
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4935714 |
Low thermal conductance support for a radiation shield in a MR magnet
A low thermal conductance support for a radiation shield in a magnetic resonance magnet is provided. Spacer means are situated partially in apertures in a cylindrical coil form having...
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4928081 |
Method of mass producing superconducting persistent current rings
Superconducting persistent current rings are mass produced by passing each uperconducting ring through a tapered magnetic field that is tapered in strength so that when each ring passes through the...
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4926289 |
Actively shielded, superconducting magnet of an NMR tomography apparatus
An actively shielded, superconducting magnet of a nuclear magnetic resonance tomography apparatus has an inner coil system and an outer coil system connected in series to avoid an increase in the...
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4924198 |
Superconductive magnetic resonance magnet without cryogens
A superconductive magnet for magnetic resonance imaging not requiring consumable cryogens or requiring cryogen liquid or vapor cooling of superconducting coils is provided having a resin...
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4920095 |
Superconducting energy storage device
A superconducting energy storage device for storing electric power in superconducting magnets in the form of magnetic energy. The superconducting magnets are include a superconducting toroidal...
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4920011 |
Magnetic field shield including a superconductive film
A magnetic field shield including a superconductive film characterized in that the magnetic field shield comprises a superconductive film layer constituted primarily of a mixed crystalline body of...
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4918409 |
Ferrite device with superconducting magnet
A ferrite device has a closed superconductor which encircles a ferrite element. The closed superconductor continuously circulates a current to produce a magnetic field for biasing the ferrite element.
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4916404 |
Electron storage ring
A pair of iron magnetic poles are disposed at the exit of electrons of each of deflecting magnets in an electron storage ring, in which electrons are stored during a certain period of time while...
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4912444 |
Superconducting solenoid coil structure with internal cryogenic coolant passages
In a superconducting solenoid disposed in a cryogenic bath, the solenoid being in the form of a cylindrical annulus having a vertical axis and being composed of: two conductors (2,4) each...
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4912443 |
Superconducting magnetic energy storage inductor and method of manufacture
A superconducting coil conductor composed of a plurality of strands (10) twisted together to form a cylindrical structure, each strand (10) being composed of a core (2) composed of a plurality of...
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4910626 |
Current limiter
A current limiter comprising a cryostat provided with a first insulating feedthrough for an inlet conductor and a second insulating feedthrough for an outlet conductor, and a conductor running from...
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4904970 |
Superconductive switch
A superconducting switch is bifilarly wound with two cupro-nickel matrix superconductors. Three layers of the wire is wound, with each layer of windings wrapped with four wires in hand and input...
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4905316 |
Magnetic field generating system for magnetic resonance imaging system
A magnetic field generating system for use in a magnetic resonance imaging system to apply a static magnetic field and additionally a gradient field and a high frequency field to a body under...
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4904971 |
Superconductive electromagnet
A superconducting electromagnet comprising an outer core having an aperture; an inner core having a periphery characterized for complementary insertion into the outer core aperture leaving a...
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4902995 |
Cable suspension system for cylindrical cryogenic vessels
A magnetic resonance magnet is provided having a cylindrical vacuum vessel and a cylindrical cartridge having superconductor windings, situated inside the vacuum vessel. The cartridge defines a...
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4901047 |
Magnetic field transfer device and method
A magnetic field transfer device includes a pair of oppositely wound inner coils which each include at least one winding around an inner coil axis, and an outer coil which includes at least one...
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4894360 |
Method of using a ferromagnet material having a high permeability and saturation magnetization at low temperatures
A ferromagnet material having a high permeability and saturation magnetizon at low temperatures is used to induce superconducting currents in a ring of a superconducting material where the...
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4893103 |
Superconducting PYX structures
A permanent magnet structure comprising one or more truncated hollow cyliical flux source (HCFS) segments with the end faces of each segment covered by superconducting sheets. In the case of a...
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4890082 |
Coil for generating a homogeneous magnetic field
A coil for generating a homogeneous magnetic field has a first coil unit composing three pairs of coils each including a common central axis and being symmetric with respect to the center of the...
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4887058 |
Periodic permanent magnet structures
Periodic permanent magnet structures comprise a plurality of paired axially ligned sections of hollow spherical flux sources each of which produces a uniform high-field in its central cavity. Each...
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4881035 |
Magnetic structural arrangement of an installation for nuclear magnetic resonance tomography with superconducting background field coils and normal-conducting gradient coils
Magnetic structural arrangement of an installation for nuclear magnetic resonance tomography with superconducting background field coils and normally conducting gradient coils. The magnetic...
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4879537 |
Magnetic suspension and magnetic field concentration using superconductors
A device is provided for suspending an external load by means of a magnetic field and a superconductor. The superconductor is supported in a magnetic field which penetrates the superconductor. A...
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4873503 |
Electrical coils
A magnetic field of required strength is provided in a desired space by a set of electrical conductors supplied with an electrical current or currents the current distribution being determined by...
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4872322 |
Power operated contact apparatus for superconductive circuit
A power operated contact apparatus extends and retracts one or more electrical leads into and out of a cryostat for making and breaking, at a cryogenic temperature, electrical contacts with a...
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H000693 |
PYX twister with superconducting confinement
Permanent magnet structures are fabricated from a plurality of hollow cylrical flux sources, the sources displaced radially from each other progressively along the structures' elongate axes so as...
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4870379 |
Superconducting switching device
In a superconducting switching device including a switching member comprising a superconducting wire, and a magnetic field generation section for controlling superconducting-normal conducting...
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4868531 |
Superconducting magnetic apparatus
In a superconducting magnet apparatus comprising a liquid helium container accommodating a superconducting magnet in liquid helium and a vacuum insulating vessel surrounding the liquid helium...
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