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| Number | Title | Issue Date |
| 8078242 | Internal impedance converting superconducting acyclic power converter An electromechanical power converter that has a rotor assembly with a conductive shell, a first conductor made from superconducting material that is in series electrical contact with the conductive shell and a second conductor made from superconducting material and ... | 12/13/2011 |
| 7983726 | Superconducting generator A generator that comprises at least one ferromagnetic core including a gap, a magnet capable of producing a normal magnetic field within said gap and at least one coil positioned within the normal magnetic field on the core. At least one diamagnet that is positioned... | 07/19/2011 |
| 7463914 | Superconducting acyclic homopolar electromechanical power converter An acyclic homopolar electromechanical power converter that uses superconducting series connected rotor elements for series summation of magnetomotive and electromotive force. The novel rotor assembly comprises a plurality of conductor elements connected in series b... | 12/09/2008 |
| 7382072 | Generator An efficient and reconfigurable permanent magnet generator that comprises a permanent magnet subassembly and at least one exciter is disclosed. The permanent magnet generator may comprise a mainframe comprising at least one exciter, and a permanent magnet subassembl... | 06/03/2008 |
| 7355307 | Rotary transformer for supplying electric power to a superconducting rotor A device for supplying electric energy to at least one superconductor, with the superconductor being cooled in a cooled region to at least one predetermined temperature for achieving superconductivity, includes at least one electric energy source, and a transformer ... | 04/08/2008 |
| 7342341 | Rotor for electrical rotating machines A rotor for electrical rotating machines includes a rotor core with axial grooves for receiving axial conductors. A first element on the axial grooves and a corresponding second element on the axial conductors interact with one another to fix the axial conductors in... | 03/11/2008 |
| 7339303 | Electrical machine An electrical machine incorporates a rotor core assembly (30) wherein the core (33) has rotor bars (31) extending into and secured within slots of end rings (34) either side of the core (33). The core (33) is secured in axia... | 03/04/2008 |
| 7282832 | Axially-expandable EM shield A superconducting rotating machine includes a stator assembly having at least one stator coil assembly. A rotor assembly, which includes an axial shaft, is configured to rotate within the stator assembly. The rotor assembly includes at least one superconducting wind... | 10/16/2007 |
| 7256523 | Magnetic mounting of a rotor shaft relative to a stator, using a high-Tsuperconductor A first bearing part is arranged fixedly in terms of rotation on a rotor shaft with permanent magnetic elements arranged next to one another and flux guide elements arranged between them. A second bearing part, separated from the first bearing part by a bearing gap,... | 08/14/2007 |
| 7235906 | Magnetic bearing using displacement winding techniques The present invention provides a linear, rotary spherical motor with an integrated magnetic bearing. The motor can be a toothless permanent magnet, BLDC design composed of a permanent magnet rotor and a Zigzag stator winding containing at least two-phase windings, w... | 06/26/2007 |
| 7226893 | Superconductive articles having density characteristics A superconductive article is disclosed, having a substrate a buffer layer overlying the substrate, and a superconductive layer overlying the buffer layer. According to embodiments, the article may have low density characteristics, associated with the article as a wh... | 06/05/2007 |
| 7180534 | Scanning assemblies, printing devices, and related methods Scanning assemblies, printing devices, and related methods are described. In one embodiment, pole pieces are configured to be coupled with an input voltage source that can produce phase-shifted input voltages, the pole pieces defining at least first and second phase... | 02/20/2007 |
| 7168848 | Axial-pumping impeller apparatus and method for magnetically-coupled mixer An impeller apparatus for use with a magnetically coupled mixer includes in one embodiment an axial-pumping impeller spaced axially apart from a driven magnet by a shaft. In another embodiment the impeller apparatus includes an up-pumping impeller spaced axially apa... | 01/30/2007 |
| 7109625 | Conductor optimized axial field rotary energy device The present invention provides an axial rotary energy device which is arranged in a multi-phase electric current configuration. The device includes a rotor having a plurality of permanent magnet poles secured thereto and further includes a stator formed by stacking ... | 09/19/2006 |
| 7086778 | System using a levitating, rotating pumping or mixing element and related methods A system for pumping or mixing a fluid using a levitating, rotating pumping or mixing element and various other components for use in a pumping or mixing system are disclosed. The pumping or mixing element is placed in a fluid-containing vessel in close proximity to... | 08/08/2006 |
| 7048824 | Device for treating silicon wafers A device (1) for treating objects, in particular silicon wafers (2), with a fluid (3), comprising a container (4) that holds the fluid (3); a rotatable carrying arrangement (5) for accommodation of the objects to be treated,... | 05/23/2006 |
| 7038348 | Dynamo electric machine A dynamo-electric machine comprises a stator having a plurality of salient poles wound with a coil, and a rotor fixed with a plurality of permanent magnets and disposed to rotate freely on an outer circumference of the stator. Salient poles becoming in-phase are arr... | 05/02/2006 |
| 7002273 | Magnetic bearing A magnetic bearing of a rotor shaft relative to a stator is described, which has the following features: (a) the rotor shaft (1) contains an arrangement of permanent-magnet elements (2) arranged side by side in the re... | 02/21/2006 |
| 6922885 | High temperature superconducting racetrack coil A racetrack shaped high temperature superconducting (HTS) coil is fabricated by layer winding HTS tape under tension on a precision coil form with a binder such as pre-preg filament-ply interlayer insulation. The coil form includes a racetrack shaped bobbin, two sid... | 08/02/2005 |
| 6911759 | Stator coil assembly for superconducting rotating machines A stator for use in a rotating machine includes a first conductor; and a second conductor wound, in-hand, over the first conductor and along a longitudinal axis of the stator. The second conductor is electrically isolated from the first conductor along the length of... | 06/28/2005 |
| 6899454 | Set-up kit for a pumping or mixing system using a levitating magnetic element A kit for assisting in the set-up of a fluid pumping or mixing system including a superconducting element capable of reaching a transition temperature during a field cooling process is disclosed. In one embodiment, the kit comprises at least one pumping or mixing el... | 05/31/2005 |
| 6837613 | Sterile fluid pumping or mixing system and related method A system for pumping or mixing a fluid using a levitating, rotating magnetic element and various other components for use in a pumping or mixing system are disclosed. The magnetic element is placed in a vessel or container that can be positioned in close proximity t... | 01/04/2005 |
| 6812601 | Superconductor rotor cooling system A system for cooling a superconductor device includes a cryocooler located in a stationary reference frame and a closed circulation system external to the cryocooler. The closed circulation system interfaces the stationary reference frame with a rotating reference f... | 11/02/2004 |
| 6806604 | Centrifuge with a magnetically stabilized rotor for centrifugal goods A centrifuge with a rotor set-up having at least one magnetic bearing is invented to operate a novel centrifuge. The rotor arrangement is connected with at least one permanent magnet configuration which is radially separated by small gap from a passive superconducti... | 10/19/2004 |
| 6795720 | High temperature superconducting synchronous rotor coil having multi-piece rotor core A rotor for a synchronous machine comprising: a superconducting field winding assembly having a coil winding and at least one winding support extending between opposite sides of the winding, and a rotor core formed of a plurality of rotor core sections, each of said... | 09/21/2004 |
| 6791216 | Exciter for superconducting rotating machinery An exciter assembly for supplying power to a superconducting load, such as a superconducting field coil, disposed within a cryogenic region of a rotating machine. The exciter assembly provides an efficient and reliable approach for transferring the electrical power ... | 09/14/2004 |
| 6791229 | Thin film superconducting motor with magnetically-quenched rotor A superconductor motor operates as a squirrel cage induction motor. The rotor is covered with a thin film of superconducting material and the magnetic field created by the stator is strong enough to quench the superconducting material to its normal state at periodic... | 09/14/2004 |
| 6777841 | Device comprising a rotor and a magnetic suspension bearing for the contactless bearing of the rotor The device comprises a) a rotor which can rotate or rotates about a rotational axis and b) at least one magnetic suspension bearing, in which the rotor can be or is mounted in a contactless manner and which comprises at least one super-conductive structure in additi... | 08/17/2004 |
| 6762522 | Magnetic bearing for suspending a rotating shaft using high Tc superconducting material A magnetic bearing magnetically suspends a rotating shaft within a stator. The magnetic bearing has a first bearing element rigidly linked with the shaft which is enclosed by a second bearing element pertaining to the stator, thereby defining a bearing clearance. A ... | 07/13/2004 |
| 6758593 | Pumping or mixing system using a levitating magnetic element, related system components, and related methods A system for pumping or mixing a fluid using a levitating, rotating magnetic bearing and various other components for use in a pumping or mixing system are disclosed. The magnetic bearing is placed in a fluid-containing vessel in close proximity to a superconducting... | 07/06/2004 |
| 6711421 | Structural reinforced superconducting ceramic tape and method of making There is provided a reinforced superconducting tape. The reinforced tape includes a superconducting tape containing a superconducting ceramic material, a first metal reinforcing layer having a greater coefficient of thermal expansion than that of the superconducting... | 03/23/2004 |
| 6711422 | Thin film superconducting synchronous motor An superconducting electric motor is operated as a traditional squirrel-cage induction motor until the rotor reaches synchronous speed, at which point a current is trapped in a superconducting film by heating a portion of the superconducting film above its critical ... | 03/23/2004 |
| 6416215 | Pumping or mixing system using a levitating magnetic element A system capable of pumping or mixing relatively warm fluids using a rotating magnetic element or bearing levitated by a cold superconducting element is disclosed. The magnetic element or bearing carries at least one impeller and is placed in a fluid vess... | 07/09/2002 |
| 6365997 | Magnetic bearing and its use In a magnetic bearing in which a first part is mounted magnetically relative to a second part and the second part has a Type II superconducting material containing an anisotropic crystal or a plurality of grains formed of this anisotropic crystal, this cr... | 04/02/2002 |
| 6355599 | Radiation curable coating composition for superconducting wire This invention provides a radiation curable coating composition for superconducting wires. The coating composition comprises at least one (meth)acrylate terminated urethane oligomer, at least one adhesion promoter, at least one (meth)acrylate functionaliz... | 03/12/2002 |
| 6258753 | Process for producing optimized melt-textured bodies based on the high-temperature superconductor YBa2Cu3O7 (YBCO) The invention concerns a process for producing optimized melt-textured volume samples based on the high temperature superconductor YBa2 Cu3 O7 (YBCO) for use in contact-free self-stabilizing magnetic bearings. The object o... | 07/10/2001 |
| 6231011 | Satellite angular momentum control system using magnet-superconductor flywheels A torque/reactive momentum wheel control system for use in satellites for dynamic attitude maintenance and alteration where the flywheel of each momentum wheel is levitated by a high-temperature superconducting element repulsively interacting with permane... | 05/15/2001 |
| 6175175 | Levitation pressure and friction losses in superconducting bearings A superconducting bearing having at least one permanent magnet magnetized with a vertical polarization. The lower or stator portion of the bearing includes an array of high-temperature superconducting elements which are comprised of a plurality of annular... | 01/16/2001 |
| 5838082 | Superconducting bearing device A superconducting bearing device comprising a superconductor mounted on a stationary member and a magnet section to be mounted on a rotating member, the superconductor and the magnet section being disposed to oppose each other with a gap therebetween. Als... | 11/17/1998 |
| 5831362 | Magnet-superconductor flywheel and levitation systems Disclosed is a flywheel system for storing kinetic energy which utilizes a high temperature superconductor/magnet system for the flywheel bearings. The flywheel includes a first magnet, and having a ring magnet defining an opening. The levitation system i... | 11/03/1998 |
