Class / Patent application number | Description | Number of patent applications / Date published |
505166000 | Dynamoelectric machine (e.g., motor, generator, etc.), rotational system or device (e.g., clutch, rotor, bearing, etc.), or components thereof | 21 |
20080227648 | Winding for Use in High Temperature Superconducting Generator - A winding for use in a superconducting electric generator having a rotating rotor assembly surrounded by a non-rotating stator assembly is provided. The winding comprises at least one conductor structure associated with a component in the superconducting electric generator. The conductor structure comprises a plurality of conductive elements formed from a high temperature superconductive material. At least a portion of the conductive elements is arranged in a transposed relationship. A protective shell is positioned about the conductive elements and formed from a high strength alloy suitable for cryogenic temperatures. | 09-18-2008 |
20080274897 | Primary Part Of A Linear Motor And Linear Motor Therewith - The invention relates to a primary part of a linear motor having a receptacle for a secondary part which can move along an axis in the receptacle, having a plurality of annular coils which are arranged coaxially with respect to the receptacle, and having a yoke, with teeth which are composed of a soft-magnetic material being arranged or formed between the end faces of adjacent coils. In order to provide a primary part or a linear motor which has a high power density in a compact form and allows good cooling with coolant, cooling gaps in which spacers are arranged are formed between the end faces of the coils and the teeth. | 11-06-2008 |
20090082208 | 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 to pass through said gap on said core, wherein the diamagnet momentarily blocks the normal magnetic field causing a voltage to be induced within said coil. | 03-26-2009 |
20090088324 | Outer rotor superconductor journal bearing - An outer rotor superconductor journal bearing that comprising modules and including an outer rotor superconductor journal bearing that cools a superconductor that is mechanically fixed to a module below a critical temperature, attains a strong magnetic fixing force in an axial direction and a radial direction, prevents the superconductor from being damaged due to a different thermal expansion between the superconductor and a cryostat when cooled, and is easier for assembling and repair and maintenance. Preferably, the outer rotor superconductor journal bearing includes a rotor in which a solid of revolution magnet is magnetized in an axis direction in an inner portion of an inner circumference thereof; and a stator comprising a cryostat in the shape of a cylinder in which a superconductor that is tightly adhered to an inner circumference of the rotor is mounted in an outer circumference of the cryostat. | 04-02-2009 |
20090093369 | SUPERCONDUCTING SYNCHRONOUS MACHINE - Disclosed herein is a superconducting field coil of a homopolar type superconducting synchronous machine. The superconducting synchronous machine includes a superconducting field coil which comprises a single or double pancake coil formed by winding a superconducting wire, a core-type rotor which is made of a magnetic material, and an armature winding excited to three phases on a surface of a core of a stator. The field coil of the homopolar type superconducting synchronous machine is not rotated when the machine is in operation. Thus, there is no part for coupling the rotating field coil to a stationary cryo-cooler for cooling a refrigerant, so that the structure is simple, reliability is high, and various cooling methods are available. | 04-09-2009 |
20090156408 | HIGH TEMPERATURE SUPERCONDUCTING DIELECTRIC CERAMIC INSULATION - High-temperature superconductive devices and assemblies are provided. According to one embodiment, a high-temperature superconductive device includes a superconducting substrate and a dielectric ceramic insulator. The superconducting substrate comprises a superconducting material having superconductive properties above about 60 K. The dielectric ceramic insulator is applied to the superconducting substrate. The dielectric ceramic insulator comprises a thermal conductivity of at least about 0.2 W/cm-K at a temperature ranging from about 60 K to about 90 K and has a grain size of at least about 2 microns. Additional embodiments are disclosed and claimed. | 06-18-2009 |
20090170707 | DAMPING AND SUPPORT IN HIGH-TEMPERATURE SUPERCONDUCTING LEVITATION SYSTEMS - Methods and apparatuses to provide improved auxiliary damping for superconducting bearings in superconducting levitation systems are disclosed. In a superconducting bearing, a cryostat housing the superconductors is connected to a ground state with a combination of a damping strip of material, a set of linkage arms to provide vertical support, and spring washers to provide stiffness. Alternately, the superconducting bearing may be supported by a cryostat connected to a ground state by posts constructed from a mesh of fibers, with the damping and stiffness controlled by the fiber composition, size, and mesh geometry. | 07-02-2009 |
20090280990 | SYNCHRONOUS MACHINE HAVING MAGNETIC BEARINGS EXCITED BY THE ROTOR - A superconductive synchronous machine having superconductive magnetic bearings. A superconductor ( | 11-12-2009 |
20100248969 | OXIDE SUPERCONDUCTING WIRE, SUPERCONDUCTING STRUCTURE, METHOD OF PRODUCING OXIDE SUPERCONDUCTING WIRE, SUPERCONDUCTING CABLE, SUPERCONDUCTING MAGNET, AND PRODUCT INCORPORATING SUPERCONDUCTING MAGNET - The invention offers an oxide superconducting wire, a superconducting structure, a method of producing an oxide superconducting wire, a superconducting cable, a superconducting magnet, and a product incorporating the superconducting magnet. The oxide superconducting wire is a tape-shaped oxide superconducting wire in which a plurality of filaments, each of which has a Bi-2223-based oxide superconductor, are embedded in a matrix. The oxide superconducting wire has a cross-sectional area of at most 0.5 mm | 09-30-2010 |
20100323899 | Superconductive element and relative preparation process - A superconductive element is described, comprising a rigid support made of a non-superconductive material, said support comprising at least one superconductive track formed by a groove containing a superconductive material having a density equal to at least 85% of the value of its theoretical density, and the process for producing said element. The present invention also relates to the possible uses of the superconductive elements, and also to superconductive devices comprising said superconductive elements. | 12-23-2010 |
20120021916 | METHOD AND APPARATUS FOR HEATING SHEET MATERIAL - A method and an apparatus for heating a sheet material made of an electrically conductive, non-magnetic material, the apparatus including at least one coil arrangement with DC-carrying windings that is made to rotate around an axis oriented perpendicular to the sheet material and to thereby induce eddy currents in the sheet material. | 01-26-2012 |
20120129700 | LINEAR MACHINE HAVING A PRIMARY PART AND A SECONDARY PART - A linear machine comprises a primary part and a secondary part. The primary part forms a receptacle around an axis and has a plurality of annular primary coils, which are arranged concentrically with respect to the axis, can have alternating current applied to them, and are separated by intermediate elements, in order to produce a magnetic field in the receptacle. The secondary part, which can be moved relative to the primary part by the magnetic field in the receptacle along the axis, is provided with secondary coils having superconductor windings. In order to produce a linear motor which allows high force densities, the intermediate elements are produced from non-magnetizable material and the primary coils and the secondary coils are arranged with an air-gap winding, wherein the secondary coils are manufactured from a high-temperature superconductor and direct current can be applied or is applied to them. Force densities of more than 18 N/cm | 05-24-2012 |
20120190554 | ELECTRIC DRIVE SHAFT AND VEHICLE COMPRISING SUCH AN ELECTRIC DRIVE SHAFT - An electric drive shaft is disclosed including at least one speed-variable generator for generating a voltage with a variable amplitude and a variable frequency, and at least one speed-variable drive motor supplied with the voltage. The drive shaft enables repercussions on the voltage during sudden load changes, and therefore the complexity of the regulation for stabilising the voltage, to be reduced due to the generator including a supraconductor winding, especially a high-temperature supraconductor winding. | 07-26-2012 |
20130005579 | SUPERCONDUCTING RADIAL MOTOR - A motor and method of operating the motor are provided. The motor includes a plurality of cylinders arranged in a ring relative to one another and positioned at a non-zero angle relative to one another. Each cylinder includes a piston configured to move within the cylinder. Each cylinder further includes 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 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. A time-varying force is applied to the magnet by an interaction of the magnet's magnetic field with the superconductor material. | 01-03-2013 |
20130172196 | HIGH-TEMPERATURE SUPERCONDUCTOR (HTS) COIL - A high-temperature superconductor (HTS) coil includes a coil winding with a superconducting material and a coil former for carrying the coil winding. When the high-temperature supercon-ductor (HTS) coil cools down from a room temperature to an operating temperature, the coil winding or the coil former counteract a thermal shrinkage of the coil winding in order to avoid or reduce a longitudinal compression of the superconducting material of the coil winding. | 07-04-2013 |
20130252819 | CRYO-MAGNETIC MOTOR - A cryo-magnetic motor is described. The motor includes a magnetic rotor having a first portion and a second portion. The motor can also include a stator assembly having an insulated casing, a liquid chamber, and a superconducting plate. | 09-26-2013 |
20130261000 | WIDE ELECTRICAL CONDUCTOR HAVING HIGH C-AXIS STRENGTH - A rotating machine includes a stator and a rotor configured to rotate within the stator. Rotor windings are supported in the rotor and are formed of a laminated electrical conductor in a single-layer saddle coil configuration. The conductor includes a first support lamina, a second support lamina, an insert including a high temperature superconductor disposed between the first and second support lamina, and a filler material surrounding the insert that bonds the insert to each of the first and second support lamina. At the location between the first support lamina and second support lamina corresponding to the location of the insert, the width dimension of the filler material on each side of the insert is at least 10 percent of a width of the conductor. The conductor is configured to carry at least 600 Amperes per turn and have a C-axis tensile strength of at least 21 MPa. | 10-03-2013 |
20130261001 | NESTED-ROTOR OPEN-CORE FLYWHEEL - Methods and apparatuses are disclosed for incorporating a plurality of independently rotating rotors made from high-strength materials with a high-temperature superconductive (HTS) bearing technology into an open-core flywheel architecture to achieve a desired high energy density in the flywheel energy storage devices and to obtain superior results and performance. | 10-03-2013 |
20140100115 | ROTOR FOR AN ELECTRIC MACHINE AND ELECTRIC MACHINE - A rotor for an electric machine includes a pole core having a coolable magnetisable rotor section which is made of a super-conducting material. The rotor section has a rotationally symmetric geometry. The pole core is formed as a cylinder and the rotor section is arranged on an outer surface of the cylinder so as to be encircling. | 04-10-2014 |
20150018219 | FIELD ROTOR OF SUPERCONDUCTING ROTARY MACHINE - A field rotor of a superconducting rotary machine, includes a rotary shaft, a plurality of coil boxes, and a plurality of superconducting coils; wherein the coil boxes extend in a center axis direction of the rotary shaft, have walls defining spaces within the coil boxes, respectively, and are removably fastened to a peripheral surface of the rotary shaft; wherein the superconducting coils are disposed in the spaces of the coil boxes, respectively, and constitute field windings of the superconducting rotary machine. | 01-15-2015 |
20160114896 | Alternative Fuel Source Vehicle - The production of energy from sources other than traditional hydrocarbons, such as fossil-fuels, is presented herein. Furthermore, an exemplary vehicle that utilizes such fuel sources is also presented herein. The exemplary vehicle is a helicopter with contra-rotating blades and winglets that provide stability and directional control. The helicopter possesses novel features, components, and abilities that form inventive elements not found within the prior art. | 04-28-2016 |