Entries |
Document | Title | Date |
20080227647 | Current lead with high temperature superconductor for superconducting magnets in a cryostat - A cryostat assembly ( | 09-18-2008 |
20090170706 | Superconducting cable line - A superconducting cable line includes a heat insulation pipe for a fluid for transporting a fluid having a temperature lower than an ordinary temperature and a superconducting cable housed in the heat insulation pipe for a fluid. The superconducting cable including a cable core in a heat insulation pipe for a cable is housed in the heat insulation pipe for a fluid to make a temperature difference between the inside and outside of the heat insulation pipe smaller than that in a situation of laying in an atmosphere. In addition, the superconducting cable has a double heat insulation structure formed with the heat insulation pipe for a cable and the heat insulation pipe for a fluids. Therefore, the superconducting cable line can effectively reduce heat intrusion from the outside into the cable. | 07-02-2009 |
20090197769 | Electric power feed structure for superconducting apparatus - An electric power feed structure for a superconducting apparatus, which is used to input or output electric power between the cryogenic-temperature side and the room-temperature side, comprises a coolant vessel containing a superconducting section provided in the superconducting apparatus, a vacuum thermal insulation vessel arranged to surround the outer periphery of the coolant vessel, and a feed conductor part having one end arranged in the room temperature side and having the other end connected to the superconducting section. The feed conductor part is divided into a cryogenic-temperature side conductor connected to the superconducting section and a room-temperature side conductor arranged in the room temperature side such that the cryogenic-temperature side conductor and the room-temperature side conductor can be detachably attached to each other. Thus, provided are the electric power feed structure for a superconducting apparatus and a superconducting cable line equipped with the electric power feed structure in which the electric power fed between the cryogenic-temperature side and the room-temperature side can be easily varied by changing an effective conductor cross-sectional area. | 08-06-2009 |
20090239751 | ELECTRICAL CONNECTION STRUCTURE FOR A SUPERCONDUCTIVE ELEMENT - The invention relates to a high voltage electrical connection structure for a superconductive element cooled by a cryogenic fluid in a cryostat and connected to an electrical bushing that passes through at least one enclosure at ambient temperature, said bushing comprising a central conductor having its top end connected by means of a connection arrangement to a connection part extending to outside the enclosure at ambient temperature and passing through a top wall of said enclosure, said central conductor being surrounded over the major fraction of the length by an electrically insulating sheath fastened rigidly to the bottom wall of said enclosure at ambient temperature. According to the invention, said connection arrangement comprises a conductive part mounted on said top end at ambient temperature of the central conductor and a plurality of deformable conductive elements connected to said conductive part and to said connection part, said conductive part having a cylindrical wall surrounding said conductive elements and forming a screen relative to the electric field. | 09-24-2009 |
20090275476 | CRYOSTAT ASSEMBLY - A cryostat assembly includes a first thermal shield positioned outside a working volume and a second thermal shield positioned outside the first thermal shield. A first cryocooler has at least two cooling stages operating with He | 11-05-2009 |
20090275477 | Cryostat Having A Magnet Coil Syste,Which Comprises An LTS Section And A Heatable HTS Section - A cryostat ( | 11-05-2009 |
20090275478 | METHOD AND APPARATUS FOR MAINTAINING A SUPERCONDUCTING SYSTEM AT A PREDETERMINED TEMPERATURE DURING TRANSIT - A superconductor system cooling apparatus, the apparatus comprising a casing, a solid coolant and a cooling circuit; wherein the cooling circuit comprises a heat exchanger, and a connector to couple the heat exchanger to a pre-cool loop of the superconductor system; wherein the cooling circuit further comprises a heat exchange medium to transfer heat between the solid coolant and the superconducting system. | 11-05-2009 |
20090280989 | Control of Egress of Gas from a Cryogen Vessel - A method for controlling egress of gas from a cryogen vessel ( | 11-12-2009 |
20100022395 | CRYOSTAT FOR SUPERCONDUCTING MR MAGNETS - A cryostat has a tank for accommodation of a coolant and at least one superconducting magnet coil to generate a magnetic field. The tank has on a top side at least one tower pipe for filling the coolant and/or for venting vaporized coolant. In order to immediately indicate if and when sealing of filling pipes and discharging pipes with (for example) ice has occurred, a pressure sensor is connected via a pressure sensor pipe with the inside of the tank. | 01-28-2010 |
20100087322 | ELECTRICITY TRANSMISSION COOLING SYSTEM - A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough. The system may further include a second section of high temperature superconducting (HTS) cable configured to receive a second flow of coolant and to permit the second flow of coolant to flow therethrough. The system may further include a cable joint configured to couple the first section of HTS cable and the second section of HTS cable. The cable joint may be in fluid communication with at least one refrigeration module and may include at least one conduit configured to permit a third flow of coolant between said cable joint and said at least one refrigeration module through a coolant line separate from said first and second sections of HTS cable. Other embodiments and implementations are also within the scope of the present disclosure. | 04-08-2010 |
20100099570 | SUPERCONDUCTOR CABLE - Superconductor cable having a plurality of flat, tape-shaped ribbon superconductor wires assembled to form a stack having a rectangular cross section, the stack having a twist about a longitudinal axis of the stack. Multiple superconductor cables including twisted stacked-cables of the flat-tape-shaped superconductor wires, and power cable comprising the twisted flat-tape stacked cables are disclosed. Superconducting power cable disposed within and separated from an electrical insulator with a space passing cryo-coolant between the superconducting cable and insulator is also disclosed. | 04-22-2010 |
20100113282 | SUPERCONDUCTOR COOLING SYSTEM AND SUPERCONDUCTOR COOLING METHOD - A superconductor cooling system has: a first superconductor; a first cooling conductor used for cooling the first superconductor; a first cooling unit configured to cool the first cooling conductor to a first temperature; and a current lead configured to supply a current to the first superconductor. Here, a part of a path of the current is formed of a second superconductor. The superconductor cooling system further has: a second cooling conductor used for cooling the second superconductor; a second cooling unit configured to cool the second cooling conductor to a second temperature; and a first thermal conduction switch connected between the first cooling conductor and the second cooling conductor to ON and OFF heat transfer between the first cooling conductor and the second cooling conductor. | 05-06-2010 |
20100152049 | ARRANGEMENT HAVING A SUPERCONDUCTING CABLE - An arrangement is specified having a superconducting cable (SK) which comprises a superconducting conductor ( | 06-17-2010 |
20100179062 | ARRANGEMENT FOR CURRENT LIMITING - An arrangement is specified for current limiting having a superconducting cable (SK) which is arranged in a cryostat (KR) which has an outer wall which comprises two metallic tubes ( | 07-15-2010 |
20100227764 | Susperconductive Multi-Phase Cable System, a Method of Its Manufacture and Its Use - The invention relates to a superconductive multi-phase, fluid-cooled cable system comprising a) a cable comprising at least three electrical conductors constituting at least two electrical phases and a zero- or neutral conductor, said electrical conductors being mutually electrically insulated from each other, and b) a thermal insulation defining a central longitudinal axis and having an inner surface and surrounding the cable, said inner surface of said thermal insulation forming the radial limitation of a cooling chamber for holding a cooling fluid for cooling said electrical conductors. The invention further relates to a method of manufacturing a cable system and to its use. The object of the present invention is to provide a simplified manufacturing and installation scheme for a fluid cooled cable system. The problem is solved in that said cable—at least over a part of its length—is located eccentrically relative to said central longitudinal axis when viewed in a cross section perpendicular to said longitudinal axis and where the eccentric location has the function of accommodating thermal shrinkage and expansion of the cable with respect to the thermal insulation. | 09-09-2010 |
20100267567 | SUPERCONDUCTING MAGNET SYSTEM WITH COOLING SYSTEM - A magnet system, in particular for a magnetic resonance examination system, comprises a superconductive main magnet having a near group of coil windings and a remote group of coil windings. A gradient coil system forms a source of power dissipation into at least part of the coil windings. The near group of coil windings and the remote group of coil windings are near and remote from the source of power dissipation, respectively A cooling system has a high-temperature cooling station and a low-temperature cooling station. The high-temperature cooling station cools mainly the near group of coil windings. The low temperature cooling station cools mainly the remote group of coil windings. The near and remote group optionally are made of different superconductive materials. Thus, additional degrees of freedom are achieved which allow less expensive magnet design. | 10-21-2010 |
20100279874 | ARRANGEMENT HAVING A SUPERCONDUCTIVE CABLE - An arrangement is provided having a superconductive cable (SK) which consists of a superconductive conductor ( | 11-04-2010 |
20100285967 | USE OF A TWO-PHASE SUPERCONDUCTING CABLE AS A POWER SUPPLY CABLE - An arrangement of a two-phase superconducting cable as a power supply cable in two-phase power distribution networks for electric railways include two phase conductors which are arranged coaxially with respect to one another and are separated from one another by an inner dielectric. A cryostat, with the superconducting cable arranged therein, has two tubes which run co-axially and at a distance from one another with vacuum insulation between them, where in addition to the superconducting cable, the cryostat surrounds a free space for a coolant to be passed through, and where an outer dielectric is fitted over the outer phase conductor of the superconducting cable. | 11-11-2010 |
20100298148 | Superconducting magnet system with refrigerator for re-liquifying cryogenic fluid in a tubular conduit - A superconducting magnet system with a superconducting magnet coil system, which is disposed in a cryogenic fluid tank ( | 11-25-2010 |
20110003696 | SUPERCONDUCTING DEVICE - A superconducting device comprises a vacuum chamber and means to evacuate the vacuum chamber. A base plate is provided within the vacuum chamber and first, second and third cylindrical walls extend from the base plate. The second and third cylindrical walls are arranged coaxial with the first cylindrical wall. A first chamber is defined between the first cylindrical wall and the second cylindrical wall, a second chamber is defined between the second cylindrical wall and the third cylindrical wall and a third chamber is defined within the third cylindrical wall. A superconducting wire is arranged within the second chamber and a cryogenic insulating material is arranged within the second chamber to encapsulate the superconducting wire. A material having a high specific heat capacity is arranged within the first chamber and there are means to cool the base plate. | 01-06-2011 |
20110039707 | SUPERCONDUCTING MAGNET SYSTEMS - A superconducting magnet system comprises an annular cryogenic vessel ( | 02-17-2011 |
20110045987 | TERMINAL APPARATUS WITH BUILT-IN FAULT CURRENT LIMITER FOR SUPERCONDUCTING CABLE SYSTEM - A terminal apparatus for a superconducting cable system connects an overhead transmission cable or power appliance such as a breaker in an ambient temperature state to a superconducting cable through which power is transmitted at a cryogenic temperature. The terminal apparatus has: a refrigerant tub which is connected to the end of a superconducting cable and is filled with a refrigerant; a vacuum heat insulating container that surrounds the exterior of the refrigerant tub; a current lead having one end connected to the end portion of the superconducting cable and the other end connected to the overhead transmission cable or power appliance through the refrigerant tub and the vacuum heat insulating container; and a superconducting fault current limiter installed at a center portion of the current lead in the interior of the refrigerant tub to limit fault current. As the superconducting fault current limiter is built in the terminal apparatus, the terminal apparatus itself can play the role of a fault current limiter too. Hence, the terminal apparatus can protect a superconducting cable from a fault current directly by limiting the fault current flowed into the superconducting cable when a power transmission fault occurs. | 02-24-2011 |
20110077161 | SUPERCONDUCTING MAGNET DEVICE FOR SINGLE CRYSTAL PULLING APPARATUS - A superconducting magnet device for a single crystal pulling apparatus is arranged outside a pulling furnace containing a crucible for melting a single crystal material therein so as to apply a magnetic field to the melted single crystal material. The superconducting magnet device for a single crystal pulling apparatus includes a cryostat containing a superconducting coil therein, and a refrigerator port arranged on the outer circumferential surface of the cryostat and provided with a cryogenic refrigerator that cools the superconducting coil. The cryogenic refrigerator is provided in a region of the outer surface region of the cryostat at which the intensity of the magnetic field generated by the superconducting coil is weak. | 03-31-2011 |
20110105335 | SYSTEM HAVING AT LEAST ONE SUPERCONDUCTING CABLE - A system is specified having at least one superconducting cable (SK) which has at least one superconducting conductor ( | 05-05-2011 |
20110130293 | SUPERCONDUCTION APPARATUS - A superconduction apparatus includes: a superconductor; a first vacuum vessel configured to accommodate said superconductor; a cooling unit which comprises a cold head configured to generate a temperature at which the superconductor is set to a superconduction state; and a second vacuum vessel configured to accommodate the cooling unit. The head and the superconductor are connected through a first connection hole which communicates the first vacuum vessel and the second vacuum vessel. | 06-02-2011 |
20110136671 | DISPLACER AND SUPERCONDUCTING MAGNET - A displacer for adjusting a level of a liquid cryogen in a cryostat. The displacer including an expandable member at least partially defining a sealed chamber. The expandable member being configured to transition from a collapsed state where the sealed chamber has a smaller volume to an expanded state where the sealed chamber has a larger volume. The displacer includes a first end piece attached to a first end of the expandable member and a second end piece attached to a second end of the expandable member. | 06-09-2011 |
20110160063 | SUPERCONDUCTING CABLE SYSTEM - A superconducting cable system in which at least one superconducting electrical cable is arranged in a cryostat which consists of two metallic tubes, which are arranged concentrically and at a distance from one another. Vacuum insulation is fitted in the circumferential gap formed by the distance between the tubes, which vacuum insulation consists of spaces composed of a material having low thermal conductivity and plastic films coated with a metal and having high reflectivity. The gap is evacuated. In addition, thermally insulating material ( | 06-30-2011 |
20110160064 | HORIZONTAL FINNED HEAT EXCHANGER FOR CRYOGENIC RECONDENSING REFRIGERATION - A cryogenic system includes a superconducting magnet ( | 06-30-2011 |
20110177954 | SUPERCONDUCTING ELECTRICITY TRANSMISSION SYSTEM - The present disclosure generally relates to a superconducting power grid having one or more AC/DC converters. The superconducting grid may further include one or more pairs of superconducting DC cables connecting each AC/DC converter. Each pair of superconducting DC cables may include a first positive polarity cable and a first negative polarity cable. The grid may also include at least one switching device configured to operatively connect at least one of the first and second AC/DC converters with at least one of the pairs of superconducting DC cables, the switching device further configured to adjust the polarity of at least one of the polarity cables. Other embodiments and implementations are also within the scope of the present disclosure. | 07-21-2011 |
20110207611 | SUPERCONDUCTING CABLE WITH ALUMINUM CRYOSTAT - Provided is a superconducting cable configured to improve superconductivity by increasing reflectivity of cryostats and enhancing cooling performance. The superconducting cable includes: a core provided with a conductor; and a cryostat surrounding a periphery of the core. A material of the cryostat is aluminum or an aluminum alloy and a surface roughness of the cryostat is 30 microns or less in terms of RMS value. | 08-25-2011 |
20110218110 | SUPERCONDUCTING POWER TRANSFORMING APPARATUS - The present invention relates to a superconducting power transforming apparatus. The superconducting power transforming apparatus according to the present invention comprises a transformer housing having a transforming cable passing hole and filled with a liquid cooling means; a superconducting transformer housed in the transformer housing in a state that the superconducting transformer is immersed in the liquid cooling means; a tap changer housing having a tap changing cable passing hole and vacuum-sealed from outside; a power tap changer housed in the vacuum tap changer housing; and a cable linking pipe vacuum-sealed from the transformer housing and the tap changer housing, and linking the transforming cable passing hole with the tap changing passing hole in order that a transformer winding tap cable connecting the superconducting transformer and the power tap changer passes through. Consequently, it is possible to guarantee stable operation of a superconducting transformer which works at an extremely low temperature and a power tap changer as like On-Load Tap Changer which works at low temperature. | 09-08-2011 |
20110218111 | HIGH TEMPERATURE SUPERCONDUCTING PARALLEL CONDUCTORS, HIGH TEMPERATURE SUPERCONDUCTING COIL USING THE SAME, AND HIGH TEMPERATURE SUPERCONDUCTING MAGNET - A parallel conductor comprising a bundle of a plurality of high temperature superconducting wire materials, ends of the wire materials being electrically connected to each other, wherein each of the high temperature wire materials has at least one short-circuited portion where the wire materials are connected by means of a non-superconducting conductive material, and portions other than the short-circuited portion being covered with an insulating material. | 09-08-2011 |
20110269630 | ARRANGEMENT WITH A SUPERCONDUCTIVE CABLE - An arrangement for an electrically conducting connection of a superconductive electric cable ( | 11-03-2011 |
20110275521 | TRANSMISSION SYSTEM WITH A SUPERCONDUCTING CABLE - A transmission system is provided with a superconductive cable having three phase conductors and a cryostat, surrounding the phase conductors, and encasing a hollow space, for conducting a cooling agent. For the three phase conductors, a common neutral conductor is provided, being made of electrically normally conducting material, carried out as insulating round conductor and placed outside the cryostat and next to it. The cryostat is made of a circumferentially enclosed, thermally insulated sheath. | 11-10-2011 |
20110294669 | SUPERCONDUCTING DIRECT-CURRENT ELECTRICAL CABLE - A superconductive electrical direct current cable with at least two conductors insulated relative to each other is indicated, where the cable is placed with at least two conductors insulated relative to each other, where the conductors are arranged in a cryostat suitable for guidance of the cooling agent, wherein the cryostat is composed of at least one metal pipe which is surrounded by a circumferentially closed layer with thermally insulating properties. In the cryostat is arranged a d-shaped carrier composed of insulating material, where the carrier has at least two diametrically oppositely located outwardly open grooves in each of which is arranged one of the conductors. Each conductor is composed of a plurality of superconductive elements. | 12-01-2011 |
20110319270 | Apparatus for Melting Metal Pieces - An apparatus for melting down metal pieces and/or metal powders in a heat-resistant crucible which is enclosed by at least one coil arrangement generating a DC magnetic field predominantly penetrating the crucible transversely to its central axis and inducing short-circuit currents during rotation of the crucible around its central axis. The coil arrangement comprises at least one superconducting winding in a cryostat and a lowerable stamp rotates in the same direction as the crucible. | 12-29-2011 |
20120010079 | METHOD AND SYSTEM FOR LONG RANGE WIRELESS POWER TRANSFER - A wireless energy transfer system includes a primary and one (or more) secondary oscillators for transferring energy therebetween when resonating at the same frequency. The long range (up to and beyond 100 m) efficient (as high as and above 50%) energy transfer is achieved due to minimizing (or eliminating) losses in the system. Superconducting materials are used for all current carrying elements, dielectrics are either avoided altogether, or those are used with a low dissipation factor, and the system is operated at reduced frequencies (below 1 MHz). The oscillators are contoured as a compact flat coil formed from a superconducting wire material. The energy wavelengths exceed the coils diameter by several orders of magnitude. The reduction in radiative losses is enhanced by adding external dielectric-less electrical capacitance to each oscillator coil to reduce the operating frequency. The dielectric strength of the capacitor is increased by applying a magnetic cross-field to the capacitor to impede the electrons motion across an air gap defined between coaxial cylindrical electrodes. | 01-12-2012 |
20120010080 | SUPERCONDUCTING MOTOR - A motor and a method of operating the motor are provided. The motor includes a plurality of cylinders. Each cylinder includes a piston configured to move within the cylinder. Each cylinder further includes a high-temperature superconductor material at a temperature. The superconductor material is in a superconducting state in the presence of an external magnetic field below a critical field strength, wherein the critical field strength is a function of the temperature of the superconductor material. Each cylinder further includes a permanent magnet mechanically coupled to the piston and configured to move within the cylinder and to have a magnetic field that interacts with the superconductor material. A sum of a non-zero time-invariant magnetic field strength and a time-varying magnetic field strength cycles between at least a first field strength below the critical field strength for the superconductor material at the temperature and at least a second field strength above the critical field strength for the superconductor material at the temperature, such that the superconductor material cycles between a superconducting state and a non-superconducting state. A time-varying force is applied to the magnet by an interaction of the magnet's magnetic field with the superconductor material. | 01-12-2012 |
20120010081 | SUPERCONDUCTING ROTARY MOTOR - A motor and a method of operating the motor are provided. The motor includes a stator including a high-temperature superconductor material at a temperature. The superconductor material is in a superconducting state in the presence of an external magnetic field below a critical field strength, wherein the critical field strength is a function of the temperature of the superconductor material. The motor further includes a rotor including a plurality of permanent magnets and configured to rotate about an axis, wherein each magnet of the plurality of permanent magnets has a magnetic field that interacts with the superconductor material. A sum of a non-zero time-invariant magnetic field strength and a time-varying magnetic field strength cycles between at least a first field strength below the critical field strength for the superconductor material at the temperature and at least a second field strength above the critical field strength for the superconductor material at the temperature, such that the portions of the material cycles between a superconducting state and a non-superconducting state. A time-varying force is applied to the rotor by an interaction of the rotor's magnetic field with the portions of the superconductor material. In certain embodiments, a motor is provided. | 01-12-2012 |
20120010082 | SUPERCONDUCTING V-TYPE MOTOR - A motor and method of operation are provided. The motor includes a plurality of cylinders, wherein at least two of the cylinders are positioned at a non-zero angle relative to one another. Each cylinder includes a piston configured to move within the cylinder and a high-temperature superconductor material in a superconducting state in the presence of an external magnetic field below a critical field strength, wherein the critical field strength is a function of the temperature of the superconductor material. Each cylinder further includes a permanent magnet mechanically coupled to the piston and configured to move within the cylinder and to have a magnetic field that interacts with the superconductor material. A sum of a non-zero time-invariant magnetic field strength and a time-varying magnetic field strength cycles between at least a first field strength below the critical field strength for the superconductor material at the temperature and at least a second field strength above the critical field strength for the superconductor material, such that the superconductor material cycles between a superconducting state and a non-superconducting state, applying a time-varying force is applied to the magnet. | 01-12-2012 |
20120035058 | COIL NODE VOLTAGE OUTPUTS FOR SUPERCONDUCTING MAGNETS - In a superconducting magnet assembly a plurality of superconducting coils, joined in series, are housed within a cryostat. A coil node between two electrically adjacent of the superconducting coils provides an input voltage. A coil node voltage output is provided comprising a series resistor connected between the coil node and a further node. A non-linear element is connected between the further node and a ground voltage, and an output connector is electrically connected to the further node and traverses a boundary of the cryostat. | 02-09-2012 |
20120046174 | SUPERCONDUCTING AC GENERATOR - An alternating current (AC) generator and method of operating the generator are provided. The generator includes a pair of two opposing cylinders. Each cylinder includes a high-temperature superconductor material at a temperature. The superconductor material is in a superconducting state in the presence of an external magnetic field below a critical field strength, wherein the critical field strength is a function of the temperature of the superconductor material. A sum of a non-zero time-invariant magnetic field strength and a time-varying magnetic field strength cycles between at least a first field strength below the critical field strength for the superconductor material at the temperature and at least a second field strength above the critical field strength for the superconductor material at the temperature, such that the superconductor material cycles between a superconducting state and a non-superconducting state. The generator further includes a piston configured to move within the two cylinders. The piston includes a permanent magnet having a magnetic field that interacts with the superconductor material of each of the two opposing cylinders. A time-varying force is applied to the magnet by an interaction of the magnet's magnetic field with the superconductor material. The generator further includes a pickup coil positioned so that movement of the magnet induces an electrical current in the pickup coil. | 02-23-2012 |
20120071326 | QUENCH PROTECTION CIRCUIT FOR SUPERCONDUCTING MAGNET COILS - A superconducting magnet includes at least one superconducting coil and a quench protection circuit electrically coupled to said at least one coil in parallel. The circuit includes at least one quench heater assembly thermally coupled to the at least one coil, and at least one superconducting current limiter electrically connected in series with the at least one quench heater assembly. The superconducting current limiter has a superconducting state with zero resistance, and a normal state with a normal resistance to decrease an electric current flowing through the quench heater assembly. | 03-22-2012 |
20120108433 | SUPERCONDUCTING MAGNET COIL SUPPORT WITH COOLING AND METHOD FOR COIL-COOLING - A superconducting magnet coil support with cooling and a method for coil cooling are provided. One superconducting coil support arrangement includes a superconducting coil and at least one support beam supporting the superconducting coil and defining a tank for storing a cooling fluid therein. The superconducting coil support arrangement further includes a plurality of cooling tubes coupled to the superconducting coil and connected to the at least one support beam, wherein the plurality of cooling tubes are configured to transfer the cooling fluid therethrough. | 05-03-2012 |
20120165198 | SUPERCONDUCTING ELECTRIC MOTOR - A superconducting electric motor includes: a rotor that is rotatably arranged; and a stator that is arranged in a radial direction of the rotor so as to face the rotor. The stator has a plurality of superconducting coils that are wound at a radial end portion of a stator core and that are formed of a superconducting wire material. The superconducting electric motor includes a refrigerator that has at least one narrow tube that flows low-temperature refrigerant inside. The at least one narrow tube is in thermal contact with the stator core and at least one of the coils. | 06-28-2012 |
20120190553 | SUPERCONDUCTING JOINTS - In a cold superconducting joint, a joint cup is provided. Lengths of superconducting filaments are placed in the joint cup. A superconducting material fills the joint cup in contact with the superconducting filaments and in thermal and mechanical contact with a pipe carrying a cryogen. The pipe extends into the joint cup and the superconducting material extends around the pipe within the joint cup. | 07-26-2012 |
20120196753 | COOLING SYSTEM AND METHOD FOR COOLING SUPERCONDUCTING MAGNET DEVICES - A cooling system and method for cooling superconducting magnet coils are provided. One magnet system for a superconducting magnet device includes a cooling system having at least one coil support shell, a plurality of superconducting magnet coils supported by the at least one coil support shell and a plurality of cooling tubes thermally coupled to the at least one coil support shell. The magnet system also includes a cryorefrigerator system fluidly coupled with the plurality of cooling tubes forming a closed circulation cooling system. | 08-02-2012 |
20120202697 | STIFFENED GRADIENT COIL - In a cylindrical superconducting magnet system for magnetic resonance imaging, primary superconducting coils are positioned within an outer vacuum chamber. A thermal radiation shield surrounds the primary superconducting coils. A gradient coil assembly is axially aligned with the primary superconducting coils. A mechanical support assembly is radially positioned outside of the primary superconducting coils and is mechanically attached to the gradient coil assembly by mechanical attachments which pass through through-holes through the outer vacuum chamber and the thermal radiation shield. | 08-09-2012 |
20120214672 | ARRANGEMENT METHOD OF SUPERCONDUCTING WIRES OF A SUPERCONDUCTING CABLE - The arrangement method of superconducting wires of a superconducting cable, includes: in a case where a refrigerator is installed at one of terminal structures provided on both sides of a superconducting cable, and a cooling fluid is passed through the superconducting cable by a pump for cooling, setting the numbers of superconducting wires of sections of the superconducting cable installed between the terminal structures on both the sides to be different depending to temperatures of the sections, wherein the numbers of superconducting wires are increased from the section of the superconducting cable having the lowest temperature to the section thereof having the highest temperature while maintaining a current-carrying capability. | 08-23-2012 |
20120238453 | Supported Superconducting Magnet - A supported superconducting magnet includes a superconducting magnet arranged within an outer vacuum container and a support structure bearing the weight of the superconducting magnet against a support surface. The support structure includes a tubular suspension element located between the magnet and the support surface, the tubular suspension element retaining the magnet in a fixed relative position with reference to the outer vacuum container by means of complementary interface surfaces arranged to transmit the weight of the superconducting magnet to the support structure. The tubular suspension element is arranged about a generally vertical axis, and supports a solenoidal magnet structure which is arranged about a generally horizontal axis. | 09-20-2012 |
20120252677 | SUPERCONDUCTIVE CABLE - A superconductive electric cable is provided in which a cable core is arranged in a cryostat, where the cable core is composed of three phase conductors arranged concentrically around an inner cooling duct, with an electric insulation arranged between the phase conductors, and where the cryostat is surrounded by an electric insulation, which is surrounded by a neutral conductor of normally conductive materials. In this cable, a neutral conductor or a screening is arranged only outside of the cryostat, and is formed by normally conductive material which surrounds the cryostat as a common neutral conductor, where an insulating material is arranged between this neutral conductor and the cryostat. | 10-04-2012 |
20120252678 | LOW-NOISE COOLING APPARATUS - A low-noise cooling apparatus is provided. The cooling apparatus includes an outer container and an inner container. A thermal insulation layer in a vacuum state is disposed between the outer container and the inner container. The inner container includes a Dewar containing a liquid refrigerant, a prepolarization coil arranged inside the inner container and immersed in the liquid refrigerant, a pick-up coil immersed in the liquid refrigerant, and a superconducting quantum interference device (SQUID) electrically connected to the pick-up coil and immersed in the liquid refrigerant. The prepolarization coil is made of a superconductor. | 10-04-2012 |
20120289405 | CONTACT ELEMENT INTENDED FOR A SUPERCONDUCTING CABLE UNIT - A contact element ( | 11-15-2012 |
20120289406 | SUPERCONDUCTING MAGNET SYSTEM FOR HIGH POWER MICROWAVE SOURCE FOCUSING AND CYCLOTRON ELECTRONIC APPARATUS - A superconducting magnet system for high power microwave source focusing and cyclotron electronic apparatus is provided, wherein, the superconducting magnet comprises an inner superconducting main coil, an outer superconducting main coil, two end compensation coils, a regulating coil and a central regulating coil. These coils are formed by coiling Nb | 11-15-2012 |
20120289407 | Superconducting System For Enhanced Natural Gas Production - Provided is a natural gas processing facility for the liquefaction or regasification of natural gas. The facility includes a primary processing unit, e.g., refrigeration unit, for warming natural gas or chilling natural gas to at least a temperature of liquefaction. The facility also has superconducting electrical components integrated into the facility. The superconducting electrical components incorporate superconducting material so as to improve electrical efficiency of the facility by at least one percent over what would be experienced through the use of conventional electrical components. The superconducting electrical components may be one or more motors, one or more generators, one or more transfonners, switch gears, one or more electrical transmission conductors, variable speed drives, or combinations thereof. | 11-15-2012 |
20120295792 | ARRANGEMENT FOR ELECTRICALLY CONDUCTIVELY CONNECTING TWO ELECTRICAL UNITS - An arrangement for electrically conductively connecting two electrical units by means of a bipolar high voltage direct current transmission, in which between the units are arranged at least two electrical direct current cables constructed as superconductive cables. The superconductive cables are mounted separately from each other in a cryostat ( | 11-22-2012 |
20120316070 | Superconducting Fault Current Limiter Monitoring - A superconducting fault current limiter (SCFCL) includes a cryogenic tank defining an interior volume, a superconductor disposed in the interior volume, and a voltage detector configured to detect a voltage drop across the superconductor and provide a voltage signal representative of the voltage drop. This voltage detector enables real time monitoring of a condition of the superconductor during steady state operation of the SCFCL. If the voltage drop exceeds an acceptable voltage drop, corrective action such as maintenance, repair, and/or replacement may be taken. | 12-13-2012 |
20120322664 | Transportable Rapid Deployment Superconducting Transformer - A transformer including: a transformer housing having an interior, a superconducting wire winding disposed within the housing interior, a dry dielectric medium in contact with a superconducting wire winding, and a temperature control device in heat exchange communication with the dry dielectric medium, adapted to utilize a gaseous medium for controlling the temperature of the superconducting wire winding. | 12-20-2012 |
20130012393 | APPARATUS TO CONFINE A PLURALITY OF CHARGED PARTICLES - The present invention is an apparatus to confine a plurality of charged particles that include a plurality of coil heads that includes a plurality of superconducting coils, a bobbin and a plurality of insulation material and a plurality of support legs that include 2 support legs that are in conductive contact with each coil head and 2 support legs that are in physical contact with each coil head. The apparatus includes a base with a cryocooler inlet and a vacuum flange and a conductive cold element that is in the interior of the base, the conductive cold element is attached to the conductive rods of the 2 support legs that are in conductive contact with each coil head and the superconducting coils. | 01-10-2013 |
20130045870 | METHOD AND APPARATUS FOR SHIPPING AND STORAGE OF CRYOGENIC DEVICES - An International Organization for Standardization (ISO) shipping container | 02-21-2013 |
20130065766 | ELECTRICITY TRANSMISSION COOLING SYSTEM - A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough. The system may further include a second section of high temperature superconducting (HTS) cable configured to receive a second flow of coolant and to permit the second flow of coolant to flow therethrough. The system may further include a cable joint configured to couple the first section of HTS cable and the second section of HTS cable. The cable joint may be in fluid communication with at least one refrigeration module and may include at least one conduit configured to permit a third flow of coolant between said cable joint and said at least one refrigeration module through a coolant line separate from said first and second sections of HTS cable. | 03-14-2013 |
20130090242 | Techniques for Sub-Cooling in a Superconducting System - Techniques for sub-cooling in a superconducting (SC) system is disclosed. The techniques may be realized as a method and superconducting (SC) system comprising at least one insulated enclosure configured to enclose at least a first fluid or gas and a second fluid or gas, and at least one superconducting circuit within the at least one insulated enclosure. The superconducting (SC) system may be sub-cooled using at least the first fluid or gas. | 04-11-2013 |
20130090243 | SUPERCONDUCTING FAULT CURRENT LIMITER - This invention relates to a superconducting fault current limiter, including: an input segment of an input transformer core and an output segment of an output transformer, each segment having a first end and a second end; a length of superconductor which forms a winding around the input segment and a winding around output segment, wherein the windings are connected in series to form a closed loop; a cryostat in which the superconductor is housed; wherein each end of the input and output segments are exposed to the exterior of the cryostat. | 04-11-2013 |
20130109574 | SYSTEMS AND METHODS FOR ALTERNATINGLY SWITCHING A PERSISTENT CURRENT SWITCH BETWEEN A FIRST MODE AND A SECOND MODE | 05-02-2013 |
20130150246 | SUPERCONDUCTIVE MULTI-PHASE CABLE SYSTEM, A METHOD OF ITS MANUFACTURE AND ITS USE - The invention relates to a superconductive multi-phase, fluid-cooled cable system comprising a) a cable comprising at least three electrical conductors constituting at least two electrical phases and a zero- or neutral conductor, said electrical conductors being mutually electrically insulated from each other, and b) a thermal insulation defining a central longitudinal axis and having an inner surface and surrounding the cable, said inner surface of said thermal insulation forming the radial limitation of a cooling chamber for holding a cooling fluid for cooling said electrical conductors. The invention further relates to a method of manufacturing a cable system and to its use. The object of the present invention is to provide a simplified manufacturing and installation scheme for a fluid cooled cable system. The problem is solved in that said cable—at least over a part of its length—is located eccentrically relative to said central longitudinal axis when viewed in a cross section perpendicular to said longitudinal axis and where the eccentric location has the function of accommodating thermal shrinkage and expansion of the cable with respect to the thermal insulation. | 06-13-2013 |
20130165324 | SUPERCONDUCTING CABLE - A superconducting cable is provided. The superconducting cable includes a core part including a former disposed at the center of the core part, one or more superconducting conductive layers with each electric phase disposed at the outside of the former in a radial directions, a insulating layer disposed at the outside of each the conductive layer in a radial direction and a shielding layer disposed at the outermost of the insulating layer; and a cryostat disposed at the outside of the core part in a radial direction with first space being interposed therebetween, having a vacuum part disposed therein and electrically wired to neutral pole (N pole). | 06-27-2013 |
20130165325 | APPARATUS AND METHOD FOR COOLING A SUPER CONDUCTING MACHINE - An apparatus and a method for cooling a super conducting machine are disclosed, in which at least two condenser areas each make thermal contact with a cold head, and in which the at least two condenser areas each have a connecting line, via which the at least two condenser areas are connected fluidically to an evaporator area. A liquid cooling fluid can be moved or pumped from at least one condenser area into the evaporator area by way of a temperature difference, and a pressure difference associated therewith, in the at least two condenser areas. | 06-27-2013 |
20130184159 | CRYOGENIC POWER CONTROL - An apparatus | 07-18-2013 |
20130190183 | ARRANGEMENT WITH A SUPERCONDUCTIVE ELECTRICAL DIRECT CURRENT CABLE SYSTEM - An arrangement with a superconductive electrical direct current cable system is specified which includes at least one direct current transmission element ( | 07-25-2013 |
20130190184 | DEVICE AND METHOD FOR DAMPED, NON-CONTACT SUPPORT OF A COOLANT FEED LINE FOR SUPERCONDUCTING MACHINES - A superconducting machine for supporting a coolant feed line for superconducting machines includes a hollow shaft that can be connected to the superconducting machine in a first region, the coolant feed line being disposed in the interior thereof for feeding the coolant from the refrigeration unit to the superconducting machine. A magnetic support is disposed in the first region of the hollow shaft so that a radial and thus motion-damping, centering force is exerted on the coolant feed line. The magnetic support has a first and a second magnetic cylinder, wherein the first magnetic cylinder is disposed on the outer jacket of the coolant feed line and the second magnetic cylinder is disposed on the inner face of the hollow shaft. The first magnetic cylinder is a cylinder made of highly electrically conductive material having ohmic resistance. | 07-25-2013 |
20130225414 | TECHNIQUES FOR IMPROVING RELIABILITY OF A FAULT CURRENT LIMITING SYSTEM - Techniques for improving reliability of a superconducting fault current limiting system (SCFCL) are provided. In one particular exemplary embodiment, the techniques may be realized with a superconducting fault current limiting system (SCFCL) comprising: an input current lead and an output current lead, each current lead coupled to a power distribution/transmission network; a container; a superconductor contained in the container; a shunt disposed outside the container and in parallel with the superconductor; a cryogenic system configured to provide coolant into the container; and at least one sensor disposed near and configured to monitor at least one operating condition of at least one of the input current lead and the output current lead, the superconductor, and the shunt. | 08-29-2013 |
20130225415 | SUPERCONDUCTING ROTATING ELECTRICAL MACHINE AND MANUFACTURING METHOD FOR HIGH TEMPERATURE SUPERCONDUCTING FILM THEREOF - The present disclosure relates to a superconducting rotating electrical machine and a manufacturing method for a high temperature superconducting film thereof. The superconducting rotating electrical machine includes a stator, and a rotor rotatable with respect to the stator, the rotor having a rotary shaft and a rotor winding. Here, the rotor winding includes tubes disposed on a circumference of the rotary shaft and each forming a passage for a cooling fluid therein, superconducting wires accommodated within the tubes, and a cooling fluid flowing through the inside of the tubes. This configuration may allow for direct heat exchange between the superconducting wires and a refrigerant, resulting in improvement of heat exchange efficiencies of the superconducting wires. | 08-29-2013 |
20130231249 | SYSTEMS, METHODS, AND APPARATUS FOR CRYOGENIC REFRIGERATION - Cryogenic refrigeration employs a pulse tube cryo-cooler and a dilution refrigerator to provide very low temperature cooling, for example, to cool superconducting processors. Continuous cryogenic cycle refrigeration may be achieved using multiple adsorption pumps. Various improvements may include multiple distinct thermal-linking points, evaporation pots with cooling structures, and/or one or more gas-gap heat switches which may be integral to an adsorption pump. A reservoir volume may provide pressure relief when the system is warmed above cryogenic temperature, reducing the mass of the system. Additional heat exchangers and/or separate paths for condensation and evaporation may be provided. Multi-channel connectors may be used, and/or connectors formed of a regenerative material with a high specific heat capacity at cryogenic temperature. Flexible PCBs may provide thermal links to components that embody temperature gradients. Various components may be pre-cooled, for example via a switchable thermalization system. | 09-05-2013 |
20130237425 | Multi Orientation Cryostats - A multi-orientation cryostat | 09-12-2013 |
20130237426 | SUPERCONDUCTING MAGNET - A superconducting magnet includes a superconducting coil, a heat shield surrounding the superconducting coil, a vacuum chamber accommodating the heat shield, a magnetic shield covering at least a part of the vacuum chamber, and a refrigerating machine fixed to the vacuum chamber to cool the superconducting coil through a heat conducting body. The magnetic shield abuts against said vacuum chamber with an elastic body therebetween to support the vacuum chamber. | 09-12-2013 |
20130244881 | SUPERCONDUCTING ELEMENT JOINT, A PROCESS FOR PROVIDING A SUPERCONDUCTING ELEMENT JOINT AND A SUPERCONDUCTING CABLE SYSTEM - The invention relates to a superconducting element joint comprising a joint between two superconducting elements comprising at least one direct SC-SC transition joint. By the invention an improved superconducting element joint may be obtained. | 09-19-2013 |
20130260999 | OPEN-CORE FLYWHEEL ARCHITECTURE - Apparatuses, systems and methods are described for a flywheel system incorporating a rotor made from a high-strength material in an open-core flywheel architecture with a high-temperature superconductive (HTS) bearing technology to achieve the desired high energy density in the flywheel energy storage devices, to obtain superior results and performance, and that eliminates the material growth-matching problem and obviates radial growth and bending mode issues that otherwise occur at various high frequencies and speeds. | 10-03-2013 |
20130296171 | COOLING DEVICE FOR A SUPER CONDUCTOR AND SUPER CONDUCTING SYNCHRONOUS MACHINE - A super conductor is disclosed, in particular a high temperature super conductor of a synchronous machine, including a cooling circuit for a coolant. The liquefied coolant in the cold head provided with a condenser is guided to the super conductor which is to be cooled, in particular in the rotor of the synchronous machine and is returned to the condenser in a gaseous form. In order to guide the coolant from the condenser to the super conductor, pressure generated by a component of the coolant evaporated by a heat source is used. | 11-07-2013 |
20140024534 | SUPERCONDUCTING JOINTS - A superconducting joint and a cooling surface are provided as a combination. The superconducting joint joins superconducting wires each comprising superconducting filaments electrically joined together. The cooling surface comprises a thermally and electrically conductive material. An electrically isolating surface coating is provided on the cooling surface. The superconducting joint, the surface coating and the cooling surface are in thermal contact. The superconducting joint is electrically isolated from the cooling surface by the surface coating. The tails of the superconducting wires are wrapped around the electrically isolating surface coating. | 01-23-2014 |
20140038827 | ARRANGEMENT WITH AT LEAST ONE SUPERCONDUCTIVE CABLE - An arrangement is provided with at least one superconductive cable and a cryostat surrounding the cable is disclosed. The cryostat includes at least one thermally insulated pipe which encloses the superconductive cable and a hollow space for conducting a cooling agent therethrough. The cryostat is constructed in the same manner as the superconductive cable located in the cryostat for connection to stationary parts of a transmission path for electrical energy. At each of the ends of the cryostat (KR) constructed for connection to the stationary parts of the transmission path, two spaced apart bellows are mounted in the cryostat (KR), and between the two bellows each of the two ends of the cryostat (KR) a thermally insulated and curved pipe piece is mounted belonging to the cryostat (KR). | 02-06-2014 |
20140051581 | SYSTEM WITH A THREE PHASE SUPERCONDUCTIVE ELECTRICAL TRANSMISSION ELEMENT - A system with a three phase superconductive electrical transmission element is indicated, in which three superconductive electrical phase conductors are arranged insulated relative to each other and concentrically relative to each other, and in which a thermally insulated tubular cryostat is arranged which has a free space for conducting a cooling medium therethrough. The transmission element has at least two identically constructed cables (K | 02-20-2014 |
20140051582 | ARRANGEMENT WITH AT LEAST ONE SUPERCONDUCTIVE CABLE - An arrangement with at least one superconductive cable ( | 02-20-2014 |
20140066313 | MGB2 SUPERCONDUCTING MULTI-CORE WIRES, SUPERCONDUCTING CABLES, AND SUPERCONDUCTING MAGNETS - The present invention provides a MgB | 03-06-2014 |
20140087950 | FAULT CURRENT LIMITER - Provided is a fault current limiter that uses a superconductor and can rapidly restore a superconducting state after a current limiting operation. The fault current limiter is configured to perform a current limiting operation through the use of a superconductor and includes a superconducting member (a member including a holding container, a filler and a superconducting wire) including the superconductor, a cooling container, and a suppression member (fins). The cooling container is configured to hold therein the superconducting member and house therein a coolant for cooling the superconducting member. The suppression member (fins) is configured to prevent a boiling state of the coolant from transiting from a nucleate boiling state to a film boiling state in the case where the coolant boils on a surface of the superconducting member (a surface of the holding container) due to a temperature rise of the superconductor during the current limiting operation. | 03-27-2014 |
20140087951 | OXIDE SUPERCONDUCTOR THIN FILM AND SUPERCONDUCTING FAULT CURRENT LIMITER - An oxide superconducting thin film includes a substrate, and an intermediate layer and a superconducting layer provided in this order on the substrate. The intermediate layer has an average thickness of from 10 nm to 20 nm and a surface roughness Ra of 0.5 nm or less. The superconducting layer is formed on a surface of the intermediate layer and includes an oxide superconductor as a main component. A superconducting fault current limiter including the oxide superconducting thin film is also provided. | 03-27-2014 |
20140100113 | REMOTE ACTUATED CRYOCOOLER FOR SUPERCONDUCTING GENERATOR AND METHOD OF ASSEMBLING THE SAME - In one embodiment, a cryocooler assembly for cooling a heat load is provided. The cryocooler assembly includes a vacuum vessel surrounding the heat load and a cryocooler at least partially inserted into the vacuum vessel, the cryocooler including a coldhead. The assembly further includes an actuator coupled to the cryocooler. The actuator is configured to translate the cryocooler coldhead into thermal engagement with the heat load and to maintain constant pressure of the coldhead against the heat load to facilitate maintaining thermal engagement with the heat load as the heat load shrinks during a cool down process. | 04-10-2014 |
20140100114 | COOLING ASSEMBLY FOR ELECTRICAL MACHINES AND METHODS OF ASSEMBLING THE SAME - A cryocooler assembly for cooling a field winding of an electrical machine having an axis of rotation is provided. The assembly includes a cryocooler and a reservoir coupled in flow communication to the cryocooler and configured to contain a cooling agent. A flow assembly is coupled in flow communication to the reservoir. The flow assembly includes a first flow loop coupled in flow communication to the reservoir; a second flow loop coupled in flow communication to the reservoir; and a plurality of flow members coupled in flow communication to the first flow loop and the second flow loop and coupled to the field winding. Each flow member is configured to thermosiphon the cooling agent in a first state from the reservoir and in a second state to the reservoir. | 04-10-2014 |
20140135222 | TERMINATION UNIT - Cable end section comprises end-parts of N electrical phases/neutral, and a thermally-insulation envelope comprising cooling fluid. The end-parts each comprises a conductor and are arranged with phase | 05-15-2014 |
20140162882 | CABLE TERMINATION FOR HIGH VOLTAGE POWER CABLES COOLED BY A GASEOUS CRYOGEN - A cable termination utilizing liquid and gaseous cryogen. The liquid cryogen maintains cryogen temperatures of all dielectric surfaces exposed to gaseous cryogen and to high voltage potential. The invention further includes capacitive grading, minimizing the electric field on the surface of the bushing in the vapor phase of the cryogen used in the liquid cryogen compartment. The cross-section of the conductor within the cable termination is adjusted along its axis enabling thermal optimization for reduction in the loss of liquid cryogen. Heat sink, for helium gas cooling of superconducting power devices, is surrounded by a metal of high thermal conductivity and placed near the area needed to be cooled. Cryogenic gaseous coolant flows through two tubes connected to the heat sink. Fins inside heat sink increase metal surface in contact with the coolant. The coolant flows from first tube, passes through the finned are and exits through the second tube. | 06-12-2014 |
20140162883 | ARRANGEMENT WITH AT LEAST ONE SUPERCONDUCTIVE CABLE - An arrangement is provided at least one superconductive cable ( | 06-12-2014 |
20140171330 | ELECTRIC MACHINE - The invention relates to an electric machine ( | 06-19-2014 |
20140179535 | ELECTRIC DRIVE DEVICE FOR AN AIRCRAFT - The invention relates to a drive device for an aircraft ( | 06-26-2014 |
20140194293 | ARRAY ANTENNA APPARATUS - According to one embodiment, an array antenna apparatus includes a distributor, transmission phase shifters, transmission amplifiers, transmission filters, transmission/reception switches, limiters, reception filters, low-noise amplifiers, reception phase shifters, a combiner, a vacuum vessel, a refrigerating unit, and a cooling plate. | 07-10-2014 |
20140221213 | SUPERCONDUCTING CABLE, SUPERCONDUCTING CABLE LINE, METHOD OF INSTALLING SUPERCONDUCTING CABLE, AND METHOD OF OPERATING SUPERCONDUCTING CABLE LINE - A superconducting cable includes a superconducting conductor layer; and a flow path of a coolant cooling the superconducting conductor layer to a superconducting state. This cable includes a core including the superconducting conductor layer and an insulating layer; a coolant tube forming a coolant flow path and arranged in parallel to the core so as to cool the superconducting conductor layer; and a housing tube of the core and the coolant tube. | 08-07-2014 |
20140221214 | DEVICE AND METHOD FOR COOLING A UNIT - The present invention relates to a method and a device ( | 08-07-2014 |
20140235449 | METHOD OF COOLING A SUPERCONDUCTIVE CABLE - A method of cooling at least one superconductive cable is disclosed which is arranged in a cryostat having at least one thermally insulated pipe with a free space surrounded by the pipe, wherein the cable and at least one tubular structure are arranged in the free space, and wherein a cooling agent is conducted through the free space from a feeding point located at one end to a distal end. The cooling agent is conducted through the cryostat and the tubular structure exclusively in one direction of the cable until it reaches its temperature of operation and is discharged to the outside at the distal end. After reaching the temperature of operation, the cooling agent is returned from the distal end of the arrangement through the tubular structure to the feeding point. | 08-21-2014 |
20140243206 | CRYOGENIC HEAT SINK FOR GAS COOLED SUPERCONDUCTING POWER DEVICES - A heat sink and method for gaseous cooling of superconducting power devices. Heat sink is formed of a solid material of high thermal conductivity and attached to the area needed to be cooled. Two channels are connected to the heat sink to allow an inlet and an outlet for cryogenic gaseous coolant. Inside the hollow heat sink are fins to increase metal surface in contact with the coolant. The coolant enters through the inlet tube, passes through the finned area inside the heat sink and exits through the outlet tube. | 08-28-2014 |
20140249034 | SUPERCONDUCTING ELEMENT FOR SUPERCONDUCTING FAULT CURRENT LIMITER, METHOD FOR MANUFACTURING SUPERCONDUCTING ELEMENT FOR SUPERCONDUCTING FAULT CURRENT LIMITER, AND SUPERCONDUCTING FAULT CURRENT LIMITER - A superconducting element for a superconducting fault current limiter, including a substrate | 09-04-2014 |
20140274722 | SUPERCONDUCTING MAGNETS WITH THERMAL RADIATION SHIELDS - A cylindrical superconducting magnet has a number of axially-aligned annular coils of superconducting wire, arranged for cooling by thermal conduction through a cooled surface in mechanical contact with the coils. The coils are provided with a cryogenic radiation shield located between respective radially inner surfaces of the coils and respective axes of the coils. The cryogenic radiation shield is formed of a metal layer in thermal contact with the cooled surface. | 09-18-2014 |
20140274723 | COOLING DEVICE FOR A SUPERCONDUCTOR OF A SUPERCONDUCTIVE SYNCHRONOUS DYNAMOELECTRIC MACHINE - A cooling device for a superconductor, in particular a high-temperature superconductor of a synchronous machine includes a cooling circuit for a coolant, wherein the coolant liquefied in a cold head having a condenser is conveyed to the superconductor to be cooled, and is returned to the condenser in a gaseous state. In order to convey the coolant to the superconductor to be cooled, pressure is applied to the coolant. | 09-18-2014 |
20140274724 | SUPERCONDUCTING MAGNET - A superconducting magnet includes a superconducting coil, a helium tank that accommodates the superconducting coil and stores liquid helium therein, a radiation shield that surrounds a periphery of the helium tank, a vacuum vessel that accommodates the radiation shield, an exhaust port that is connected to the helium tank and exhausts gasified helium, a lead that electrically connects an external power supply and the superconducting coil and is attachable to and removable from the vacuum vessel, a connector that connects the lead and the superconducting coil, and a thermal conductive member having one end in contact with at least one of the connector and the exhaust port, and having the other end located outside the vacuum vessel and attachable to and removable from the vacuum vessel. | 09-18-2014 |
20140296075 | COMPACT SUPERCONDUCTING CYCLOTRON - The present disclosure relates to a cyclotron. Embodiments of the present disclosure may include an upper and lower magnet pole, an upper and lower superconducting coil arranged around each of the magnetic poles, a ring-shaped magnetic return yoke, a beam chamber between the upper and lower magnetic poles having one or more electrodes configured to accelerate ions moving substantially in the median plane, and a cryostat. The ring-shaped magnetic return yoke and the coils may form a cold mass contained within the cryostat. Further, the cryostat may not contain the upper and lower poles. | 10-02-2014 |
20140302994 | APPARATUSES, SYSTEMS, AND METHODS RELATING TO SUPERCONDUCTING TRAPPED FIELD MAGNET CARTRIDGES - A cryostat cartridge is disclosed. The cryostat cartridge may include a cryostat having a cryogen inlet, a cryogen outlet, and a superconductor material inside the cryostat configured to be cooled by a cryogen entering the cryostat through the cryogen inlet and exiting the cryostat through the cryogen outlet. The cryogen inlet is configured to be detachable from a cryogen source. The cryostat cartridge may be inserted into an activation module for activating the superconductor material and may also be inserted into a superconductor device. | 10-09-2014 |
20140309117 | SUPERCONDUCTING DIRECT CURRENT TRANSMISSION SYSTEM - A DC superconducting coaxial transmission system provides electrical transmission of 5,000 megawatts of energy while simultaneously delivering liquid hydrogen. The transmission system includes a coaxial transmission segment including an inner superconductor, an outer superconductor disposed in surrounding relation to the inner conductor, and a dielectric insulator disposed between the inner superconductor and the outer superconductor. Liquid hydrogen surrounds the superconductors. Three phase transformers and poly phase rectifier/inverters provide a DC voltage source to the superconductors from the electrical grid. In one embodiment, a switching circuit connected between the voltage source and the superconductor injects a cancellation current component into the direct current flow. The cancellation current component is polarized to flow in a direction opposite to the direct current flow to produce a current zero, thus enabling safe interruption of the high DC current while minimizing the magnitude of transient voltages during switching. | 10-16-2014 |
20140357491 | SUPERCONDUCTING MAGNET APPARATUS - A superconducting magnet apparatus includes: a bobbin around which a superconducting coil is wound, the bobbin serving as a protective resistor; a persistent current switch for supplying a persistent current to the superconducting coil; a first closed circuit with the superconducting coil and the persistent current switch connected in series to the coil; and a second closed circuit with the superconducting coil and the bobbin connected in series to the coil. | 12-04-2014 |
20140357492 | SUPERCONDUCTING COIL AND SUPERCONDUCTING DEVICE - A superconducting coil includes: first and second pancake coils that are formed by winding a superconducting wire, are stacked in a thickness direction, and are adjacent to each other; and a cooling substrate that is provided in contact with an end surface of the first pancake coil and is separable into a plurality of cooling plates. | 12-04-2014 |
20140378310 | Superconducting Rotating Machine and Cooling Method Thereof - Provided are a superconducting rotating machine which improves the cooling efficiency of a rotor by using schemes of passively or actively circulating a coolant and a cooling method thereof. The superconducting rotating machine includes a rotor supported rotatably about a rotation axis and including: at least one superconductive coil; and a central cavity; and a cooling apparatus disposed at an exterior of the rotor and configured to communicate with the cavity, wherein the cooling apparatus includes: a condenser configured to condense a gas coolant supplied through a gas coolant supplying pipe to generate a condensed coolant; a coolant circulating unit configured to supply the condensed coolant into the cavity, configured to recover a vapor coolant evaporated in the cavity into the condenser and configured to circulate the condensed coolant; and a forced circulating unit configured to actively circulate the condensed coolant into the cavity in response to the rotor being tilted. | 12-25-2014 |
20140378311 | METHOD OF ELECTRICALLY CONDUCTIVELY CONNECTING TWO SUPERCONDUCTIVE CABLES - A method of electrically conductively connecting two superconductive cables includes freeing the conductors and screens of surrounding layers at the ends of the two cables. Subsequently, the ends of the two cables ( | 12-25-2014 |
20140378312 | SUPERCONDUCTING CABLE, AND DEVICE AND METHOD FOR COOLING SUPERCONDUCTING CABLE - A superconducting cable comprises a superconductor | 12-25-2014 |
20150011395 | SUPERCONDUCTING MAGNETIC SUSPENSION DEVICE HAVING NO LIQUID HELIUM VOLATILIZATION - A free liquid helium volatilization superconductive magnetic suspension device includes a low temperature container, a refrigeration, a cold screen, a liquid helium container, a superconductive rotor, a suspension coil, a rotor chamber, a liquid tube, a condenser and a pole-axis displacement sensor. The heat generated by the wires of the suspension coil can be prevented transferring to the liquid helium container by the room temperature current lead joint, the high temperature superconducting current lead joint and low temperature superconducting current lead joint. Therefore the volatilization of the liquid helium in the liquid helium container can be reduced. The status of free liquid helium volatilization in the liquid helium container can be reached through refrigeration cooling condenser to liquefy the helium. The device needs not to be input the liquid helium time after time and can run independently for a long term. | 01-08-2015 |
20150018217 | HTS Bearing System and Method - A superconductor-magnet bearing system can include a first bearing portion and a second bearing portion. One of the first and second bearing portions can be at least partially composed of a high-temperature superconductor (HTS) and another can be at least partially composed of a magnet. The first bearing portion can be disposed at least partially within an opening of the second bearing portion with a gap between the first and second portions. A magnetic bearing portion can include a plurality of rings disposed next to one another. An HTS bearing portion can include a magnet. The bearing portions can be biased toward an alignment with one another. One bearing portion can rotate relative to another bearing portion. | 01-15-2015 |
20150018218 | MECHANICAL SUPERCONDUCTING SWITCH - A mechanically operating superconducting switch has two superconducting wires, a respective end of each superconducting wire being embedded in a respective block of superconducting material. A mechanical arrangement is provided for driving respective contact surfaces of the blocks into physical contact with each other, and for separating those services. | 01-15-2015 |
20150031545 | ARRANGEMENT WITH THREE SUPERCONDUCTIVE PHASE CONDUCTORS - An arrangement is provided with three superconductive phase conductors each with a conductor, a dielectric and an electrically conductive screen surrounding the dielectric. The three phase conductors are arranged in a cryostat which conducts a cooling agent and which is made from a pipe with a thermal insulation. The screens of each of the conductors are for forming three, or a whole number multiple of three, sections arranged successively in the longitudinal direction by partial screens in a first, a second and a third section at two locations or at two locations spaced apart from each other. The partial screen of a first section of each phase conductor is electrically conductively connected in series to the partial screens of the second section and further to the third section of the two other phase conductors. | 01-29-2015 |
20150045227 | WIRELESS POWER TRANSMISSION SYSTEM AND WIRELESS POWER RELAY APPARATUS - A wireless power relay apparatus includes a relay resonator configured to relay power from a source resonator configured to wirelessly transmit the power, to a target resonator configured to wirelessly receive the power through a mutual resonance, the relay resonator having a higher quality factor than the source resonator and the target resonator. | 02-12-2015 |
20150051079 | SUPERCONDUCTING MAGNET APPARATUS - 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. | 02-19-2015 |
20150080221 | SUPERCONDUCTING CABLE JOINT - A joint is provided between two abutting cables, where the cables each have, around a central support, at least one phase layer composed of at least one layer of superconducting material and a neutral layer that are concentric and contained in a shell, filled with cryogenic fluid. The neutral layer of each cable is also stripped, at least one bridging support member is placed between the stripped neutral layers, and a layer of conducting or superconducting material, for, the electrical connection of these neutral layers, is placed on the support member. | 03-19-2015 |
20150080222 | CRYOGEN RECONDENSING SYSTEM AND SUPERCONDUCTING MAGNET APPARATUS INCLUDING THE SAME - A cryogen recondensing system and a superconducting magnet apparatus including the cryogen recondensing system are provided. The cryogen recondensing system includes a primary reservoir configured to store cryogen for cooling a superconducting coil, a refrigerator configured to recondense gas cryogen of cryogen stored in the primary reservoir, a secondary reservoir configured to store gas cryogen, and a secondary reservoir tube configured to connect the primary reservoir to the secondary reservoir, and wherein the gas cryogen flows through the secondary reservoir tube. | 03-19-2015 |
20150087522 | SUPERCONDUCTING ANTENNA DEVICE - A superconducting antenna device of an embodiment includes an array antenna made by stacking a flat antenna having one or more antennas made of a superconducting material and a ground pattern on a low-loss dielectric substrate from a short wave band to an extremely-high frequency band, a vacuum chamber configured to accommodate the array antenna, a refrigerator configured to cool the array antenna, and a vacuum insulating window configured to pass an electromagnetic wave from a short wave band to an extremely-high frequency band in a direction of directivity of the array antenna in the vacuum chamber. | 03-26-2015 |
20150087523 | SUPERCONDUCTIVE ELECTRIC MOTOR AND GENERATOR - A non-traditional topology of a superconductive electric motor or generator increases the air gap flux density by reducing stray flux and concentrating lines of flux within the air gap. An electric motor or generator utilizing the invention will include three components: a rotating armature, a permanent magnet stator and a shielding sleeve. The shielding sleeve of the motor is a hollow cylinder that fits between the armature and the stator, and is configured to cool a plurality of high-temperature superconductors within it to a temperature below their critical temperatures. These superconductors are placed at an optimized position to redirect flux and promote greater efficiency. | 03-26-2015 |
20150099639 | SUPERCONDUCTING MAGNET APPARATUS WITH CRYOGEN VESSEL - In a superconducting magnet apparatus, at least one superconducting winding and an outer vacuum chamber are provided. A thermal radiation shield is located between the superconducting winding and the outer vacuum chamber. A cryogen vessel is positioned within the thermal radiation shield and within the outer vacuum chamber. The superconducting winding is positioned outside of the cryogen vessel. A refrigerator is operable to cool the cryogen vessel to a liquid cryogen temperature and to cool the at least one thermal radiation shield to an intermediate temperature between the liquid cryogen temperature and a temperature of the outer vacuum chamber. A substantial portion of an outer surface of the cryogen vessel has a thermal emissivity at the liquid cryogen temperature which is greater than an average surface emissivity of the superconducting winding by at least 0.1. | 04-09-2015 |
20150099640 | COOLING CONTAINER - A cooling container accommodates an object to be cooled and a liquid coolant in the inside. A lid member can close an upper opening of the coolant container. A cooling device is supported by the lid member and includes a cooling section at a lower end. Electric current leads supported by the lid member make electric current flow into the object to be cooled inside the coolant container. The electric current leads each include a thermal resistance section with higher thermal resistance than surrounding portions, positioned above the liquid surface of the liquid coolant in the coolant container. Between the thermal resistance sections and the cooling section, a partition section made from a heat insulation material with a lower end below the thermal resistance sections is provided. An effect of penetrating heat can be prevented, allowing the inside of the coolant container to be efficiently cooled. | 04-09-2015 |
20150111752 | HIGH SPEED TURBINE - A number of configurations of a high speed electromagnetic turbine ( | 04-23-2015 |
20150111753 | SUPERCONDUCTING MAGNET APPARATUS - A superconducting magnet apparatus is provided, which comprises a superconducting coil, an induction coil to be in inductive coupling with the superconducting coil, a first refrigerant vessel charged with a first refrigerant in which the superconducting coil is installed; and a second refrigerant vessel charged with a second refrigerant having a melting temperature higher than or a boiling temperature higher than a boiling temperature of the first refrigerant, the second refrigerant vessel in which the induction coil is installed, wherein the second refrigerant vessel is thermally isolated from the first refrigerant vessel. | 04-23-2015 |
20150133303 | Electrical Generator - An electrical generator is provided. The generator comprises an outer stator coil comprising an input terminals in the outer stator coil, the outer stator coil adapted to provide an electromagnetic field in response to an excitation current applied to the input terminals; a plurality of inner pick-up coils coupled to an electrical output of the electrical generator; and a rotating cage comprising a plurality of shielding members and openings, the plurality of shielding members at least partially shielding the plurality of inner pick-up coils from an electromagnetic field generated by the outer stator coil while the rotating cage is rotating | 05-14-2015 |
20150325338 | ELECTRICITY TRANSMISSION COOLING SYSTEM - A cooling system includes a first section of high temperature superconducting (HTS) cable configured to receive a first flow of coolant and to permit the first flow of coolant to flow therethrough. The system may further include a second section of high temperature superconducting (HTS) cable configured to receive a second flow of coolant and to permit the second flow of coolant to flow therethrough. The system may further include a cable joint configured to couple the first section of HTS cable and the second section of HTS cable. The cable joint may be in fluid communication with at least one refrigeration module and may include at least one conduit configured to permit a third flow of coolant between said cable joint and said at least one refrigeration module through a coolant line separate from said first and second sections of HTS cable. Other embodiments and implementations are also within the scope of the present disclosure. | 11-12-2015 |
20150364232 | ELECTRICITY TRANSMISSION COOLING SYSTEM - A method for cooling high temperature superconducting (HTS) cable comprising receiving a first flow of coolant at a first section of HTS cable and permitting the first flow of coolant to flow therethrough. The method also includes receiving a second flow of coolant at a second section of HTS cable and permitting the second flow of coolant to flow therethrough. The first section of HTS cable and said second section of HTS cable are coupled via a cable joint, the cable joint electrically connecting the first and second sections of HTS cable. The cable joint is in fluid communication with at least one refrigeration module. The cable joint includes at least one conduit configured to permit a third flow of coolant between the cable joint and the at least one refrigeration module through a coolant line separate from the first and second sections of HTS cable. | 12-17-2015 |
20150371739 | METHOD AND ARRANGEMENT FOR CONSTRUCTING A SUPERCONDUCTIVE CABLE SYSTEM - A method for constructing a superconductive cable system is proposed. Using this method, at least one superconductive cable ( | 12-24-2015 |
20150381025 | LAES OPERATING PHASE CHANGE MATERIALS - In one or more embodiments, a Liquid Air Energy Storage apparatus comprises one or more motors, one or more generators, one or more transformers, and a liquid air storage unit. The one or more motors can be adapted to compress a working fluid. The one or more generators can be adapted to produce electric energy. The one or more transformers can be adapted to convert electric energy. At least one of the motors, the generators, and the transformers can comprise a superconductive material. | 12-31-2015 |
20160049225 | QUENCH PROTECTED STRUCTURED SUPERCONDUCTING CABLE - Quench protected structured (QPS) superconducting cables, methods of fabricating the same, and methods of bending the same are disclosed. The methods of bending the QPS superconducting cables can be employed to produce windings. The QPS superconducting cables can rapidly drive a distributed quench to a normal conducting state in a superconducting cable if a region of the cable spontaneously quenches during high current operation. | 02-18-2016 |
20160049228 | Method for energizing a superconducting magnet arrangement - A method for charging a magnet arrangement having a superconducting tape conductor with a first transition temperature in a cryostat device. The magnet arrangement is temperature-controlled to a first pre-operating temperature between the first transition temperature and the operating temperature, a first pre-operating current is excited, the magnet arrangement is cooled to operating temperature and a first operating current is excited. The magnet arrangement has a second magnet winding composed of a second superconductor material with a second transition temperature above the operating temperature and at least 15 K below the first transition temperature, wherein a second operating current in the second magnet winding is excited at the latest after cooling of the magnet arrangement to the operating temperature, and with the second operating current the second magnet winding generates a second operating magnetic field in the volume of the first magnet winding. | 02-18-2016 |
20160055949 | CRYOSTAT - The purpose of the present invention is to reduce vibration derived from a refrigeration machine. A cryostat comprises: a helium tank ( | 02-25-2016 |
20160071631 | END CLOSURE OF A SUPERCONDUCTIVE ELECTRIC CABLE - An end closure for a superconductive electric cable which has at least one superconductive conductor which is surrounded by a tubular cryostat serving for conducting a cooling agent, which at its end is surrounded by a housing. The housing (G) has two walls ( | 03-10-2016 |
20160071638 | SUPERCONDUCTING MAGNET DEVICE INCLUDING A CRYOGENIC COOLING BATH AND COOLING PIPES - In a method for cooling a superconducting magnet device suitable for magnetic resonance imaging, and a cooling system, a small quantity of cryogen is used by cooling the magnet coils of the magnet device by a cooling pipe assembly, the cooling pipe assembly having one or more cooling pipes through which a cryogen flows. The one or more cooling pipes are in close thermal contact with the magnet coils. Liquid cryogen is filled into a cryogen vessel to provide a cryogenic temperature for at least parts of the magnet device for superconducting operation. The magnet coils are cooled during energizing of the magnet device by this cooling pipe assembly. | 03-10-2016 |
20160078987 | AN ASSEMBLY COMPRISING A TWO-STAGE CRYOGENIC REFRIGERATOR AND ASSOCIATED MOUNTING ARRANGEMENT - An assembly has a two-stage cryogenic refrigerator and an associated mounting arrangement, and a sock having first and second stages corresponding to first and second stages of the refrigerator, with the first stage of the refrigerator being in thermal contact with the first stage of the sock and the second stage of the refrigerator being in thermal contact with the second stage of the sock. | 03-17-2016 |
20160086693 | SUPERCONDUCTING JOINTS - A superconducting joint and a cooling surface are provided as a combination. The superconducting joint joins superconducting wires each comprising superconducting filaments electrically joined together. The cooling surface comprises a thermally and electrically conductive material. An electrically isolating surface coating is provided on the cooling surface. The superconducting joint, the surface coating and the cooling surface are in thermal contact. The superconducting joint is electrically isolated from the cooling surface by the surface coating. The tails of the superconducting wires are wrapped around the electrically isolating surface coating. | 03-24-2016 |
20160380516 | SUPERCONDUCTING GENERATORS AND MOTORS AND METHODS FOR EMPLOYING SAME - A superconducting electrical generator or motor having a plurality of cryostats is described. The cryostats contain coolant and a first cryostat encloses at least one of a plurality of superconducting coils. A first coil is in superconducting electrical communication with a second coil contained in a second cryostat through a superconducting conduction cooling cable enclosing a conductor. The first cryostat and the second cryostat may be in fluid communication through at least one cryogen channel within the at least one superconducting conduction cooling cable. In other embodiments, none of the plurality of cryostats may be in fluid communication and the cable may be cooled by conduction along the conductor from the first or second cryostat, or from both. The conductor may have different segments at temperatures equal to or above the temperature of the coolant and the superconducting conduction cooling cables may be connected through quick connect fittings. | 12-29-2016 |