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JP4732053B2 |
To obviate necessity for providing a torque tube with a thermal elongation absorbing mechanism and shorten the overall axial length of an entire rotor. The rotor of a superconducting rotary electric machine includes: a cylindrical windin...
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JP4733989B2 |
A rotating machine comprising a superconductive coil (12) and a temperature sensor (38) operable to provide a signal representative of superconductive coil temperature. The rotating machine may comprise a control system (20) communicativ...
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JP4728139B2 |
To provide a dynamo-electric machine for utilizing an inductive repulsion/attraction principle, using a magnetic bearing for eliminating a necessity of a control, improving the reliability, and extending a lifetime. The dynamo-electric m...
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JP4704869B2 |
To use a coolant supplied, to and exhausted from a superconducting rotary electric machine at cryogenic temperatures, and to suppress the ingress of heat from external to the coolant to make a cooling device for cooling the coolant again...
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JP4706351B2 |
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JP4706350B2 |
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JP4701294B2 |
The device (1) has a superconductive component (22) for producing magnetic field when electric power is supplied to the component. A permeable yoke (21) produces magnetic flux of the magnetic field. A low temperature section (3) cools a ...
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JP4690032B2 |
A series coupling synchronous axial gap type motor where rotors and stators are alternately stacked with required air gaps in the axial direction of a rotary shaft as a main shaft, is provided. The rotors are fixed to the rotary shaft, a...
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JP2011103708A |
To suppress the fluctuation of a gap interval in the radial direction of two rotor parts in a superconducting rotating machine structured by arranging the two rotor parts in the radial direction by sandwiching a stator in between.In the ...
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JP4688079B2 |
A system (20) and method for protecting a superconductor (12). The system (20) may comprise a current sensor (22) operable to detect a current flowing through the superconductor (12). The system (20) may comprise a coolant temperature se...
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JP4680708B2 |
An axial motor includes an armature side stator (13), a pair of rotors, and a pair of stators, which are arranged with gaps left therebetween in the axial direction of a drive shaft (34). The armature side stator (13) includes armature c...
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JP4680584B2 |
In a cooling structure of a superconducting motor in which a superconducting coil 22 is attached to a rotor, grooves 24, 25, and 26 are concavely provided on an outer surface of a rotating shaft 23 that penetrates and is fixed to the rot...
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JP2011091893A |
To provide a stacked superconductive coil, which can suppress drift and lessen necessary space, and a rotator using the stacked superconductive coil.This stacked coil includes a first superconductive coil 10, in which a group of wires, w...
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JP4661263B2 |
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JP4653648B2 |
There is provided field stators 11, 15 having field coils 18, 31 by which an N-pole and an S-pole are concentrically formed, rotors 12, 14 to which a rotating shaft 34 is fixed and has N-pole inductors 20, 28 disposed so as to face the N...
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JP2011040567A |
To provide a superconducting coil device having a connection structure of an electrode featuring excellent maintainability, without giving excessive stress to a superconducting wire when connecting an electrode with the terminal of the s...
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JP4622458B2 |
To provide a simple cooling structure which can increase the amount of current application to the normally conductive coil of a superconducting motor. A superconducting coil 22 is fixed to a rotor 17. The normally conductive coil 19 is f...
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JP4616640B2 |
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JP4602397B2 |
A cryogenic fluid supply/discharge device for supplying/discharging a cryogenic fluid to/from a plurality of internal space channels (25) in the rotor assembly (20) of a superconducting motor (2) comprising a rotary joint shaft (32) and ...
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JP4598855B2 |
A superconducting apparatus includes a magnetic field generating portion including a superconducting coil, an extremely low temperature generating portion maintaining the superconducting coil at an extremely low temperature and in a supe...
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JP4593963B2 |
An electrical motor/generator (10) is provided with at least one of a superconducting rotor (100), a stator (200) including dovetailed winding dividers, and a stator cooling arrangement (300) with at least one cooling tube (310) per wind...
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JP2010263122A |
To provide a superconducting coil capable of suppressing degradation of electrical characteristics, and to provide a superconducting apparatus using the same. The superconducting coil includes: race track type coils each constituting, fo...
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JP2010252491A |
To provide a rotary machine which suppresses the variations in cooling a superconducting coil and attain full cooling.The rotary machine with a superconducting coil 111 disposed within a slot 130 includes a container 131, a superconducti...
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JP2010213489A |
To provide a motor device advantageous in reducing a contact area between a surrounding member and a stator.The motor device includes: coils 22; a stator 20; a moving member 27; a surrounding member 44 to surround an outer wall surface 2...
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JP2010178486A |
To provide a superconducting rotating electric machine which inhibits the freezing of a seal member and improves a rate of recovery of a cooling medium to keep a cooling medium cooling cost low.The superconducting rotating electric machi...
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JP4507561B2 |
To prevent a refrigerant from being lacked beforehand by informing the remaining amount of the refrigerant used to cool a superconducting motor to a driver. A cooling system in a superconducting motor vehicle includes the superconducting...
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JP4501449B2 |
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JP2010154682A |
To provide a rotor and a motor which have high durability by suppressing thermal conduction to a superconducting member. The motor 100 includes a rotor 10, a stator core 23 arranged around the rotor 10, and an output shaft 51 for outputt...
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JP2010154698A |
To provide a superconducting motor device, capable of suppressing propagation of vibration of a superconducting motor and/or external vibrations to a very low temperature generating part. The superconducting motor device includes a super...
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JP2010522529A |
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 alterna...
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JP2010148200A |
To provide a super conducting motor in which a frame efficiently receives a motor repulsive force by reducing or solving the possibility that a stator and the frame move relatively even if the motor repulsive force is large or the gap be...
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JP2010092967A |
To provide: a quench position determination device which do not require long-time operation such as learning, and can specify possibility of a sound source position calculation result (a quench start position determination result); a sup...
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JP4419588B2 |
To effectively cool a converter that converts AC obtained on a rotor side to a DC, by performing non-contact power feeding to a superconducting coil installed in a rotor. The field superconducting coil 15 is fixed to the rotor 12, an arm...
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JP2010028904A |
To provide a superconducting motor in which the cooling structure of a superconducting coil is simplified by using the superconducting coil as a coil for generating a magnetic field on the rotor side and so configuring the superconductin...
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JP4400532B2 |
A magnetic repulsion force is generated from a secondary coil by conducting current through a primary coil and the secondary coil is moved in the direction receding from the primary coil or approaching the primary coil. A superconducting...
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JP2009303314A |
To smoothly operate a superconductive motor comprising a squirrel-cage rotor and a stator where a superconductive coil is wound concentratedly, and to increase its torque.This device is equipped with a motor, in which a stator where a su...
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JP4376869B2 |
A rotor assembly includes a substantially cylindrical support structure having at least one first region, and at least one second region. At least one rotor coil is positioned within each first region of the substantially cylindrical sup...
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JP4367157B2 |
To solve a problem of the dependance of regenerative energy force on the rotational speed of a motor. The field current of a superconducting coil 17 is increased or decreased according to a breaking force requested by an operating portio...
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JP2009240061A |
To sustain levitation stably even if an actuator is rotated by vibration of a secondary coil in an actuator which levitates a secondary coil by a magnetic repulsive force induced in the secondary coil by energizing a primary coil.In a su...
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JP4332890B2 |
To provide a motor cooling structure of a superconducting-motor automobile that can prevent excessive generation of gaseous hydrogen from liquid hydrogen that is a cooling medium, while achieving effective cooling of a motor and reductio...
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JP2009189223A |
To achieve the simplification of a coil configuration, the simplification of a whole motor-coil structure in a motor, and loosening of regulations to the minimal radius of a winding in a high-temperature superconductive coil.A method of ...
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JP4309274B2 |
A device for supplying electric energy to at least one superconductor, with the superconductor being cooled in a cooled region to at least one predetermined temperature for achieving superconductivity, includes at least one electric ener...
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JP4308308B2 |
A superconducting motor which operates in a synchronous mode of operation, can also be operated in an induction mode in the event that the superconducting components of the motor lose their superconducting properties (e.g., due to coolin...
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JP2009170715A |
To promptly discharge a cooling medium vaporized in a cooling vessel of a superconducting coil from the cooling vessel.In this laminated superconducting coil 21, a plurality of pancake coils 21a each formed by winding a superconductive w...
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JP2009170724A |
To efficiently cool a superconductive coil housed in a ring-like cooling vessel from the inner peripheral side also.This cooling vessel wherein a superconductive coil formed by winding a superconductive wire is housed, and the supercondu...
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JP2009516487A |
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 recep...
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JP4247273B2 |
A machine has an uncooled rotor body, which is mounted to rotate about a rotational axis, and has a superconducting rotor winding that is located in at least one cryostat and is cooled by a coolant. To facilitate the assembly of the wind...
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JP2009033918A |
To attain saving of superconducting wires, compactizing and cost reduction of a super conducting motor by setting a critical current value of the superconducting wire against the current value in being energized at high-power output lowe...
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JP4212336B2 |
A synchronous machine (50) is disclosed comprising a rotor (54) coupled to a rotor cooling system ; a stator (52) around the rotor (54) and separated from the rotor (54) by an annular gap (57) between the rotor (54) and an inner surface ...
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JP4203416B2 |
Superconducting electrical machines, for example motors or generators, especially high-temperature superconducting machines, include a rotor equipped with superconductors, especially high-temperature superconductors. They further include...
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