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JPS6449286A |
PURPOSE:To prevent a superconducting apparatus from being quenched by a method wherein a superconductor whose critical temperature or critical magnetic field is different from that of a superconductor for the superconducting apparatus is...
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JPS648538B2 |
A superconductive rotor of a dynamoelectric machine comprising a rotor shaft, a support rim, a plurality of slot teeth (86) formed at the outer periphery of said rim, said teeth located between rotor slots, and a plurality of slot assemb...
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JPS6439262A |
PURPOSE: To make a motor torque higher by using a superconducting material for either a stator or a rotor. CONSTITUTION: In a motor, triangular protrusions are periodically formed on the circumference 5a of a rotor 5 composed of a superc...
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JPS6436298A |
PURPOSE: To obtain an actuator used for a microphone or speaker which is so constituted as to generate a larger output than applied electric power by using an electromagnet which has a superconducting field coil as a magnet. CONSTITUTION...
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JPS6426362A |
PURPOSE: To compact a stator coil, and to reduce loss by immersing the stator coil composed of a high-temperature superconducting wire rod into a low- temperature refrigerant in a stator vessel with a heatinsulating layer. CONSTITUTION: ...
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JPS6419961A |
PURPOSE: To improve the thermal stability of a rotor winding by applying a high-temperature superconducting material to the rotor winding. CONSTITUTION: In a superconducting generator being cooled by liquid nitrogen 4 and having a multip...
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JPS6419962A |
PURPOSE: To eliminate the need for the supply of exciting power during revolution by bringing a field winding for a synchronous machine to a superconductive state, supplying exciting power under the state of the stoppage of the synchrono...
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JPS6419960A |
PURPOSE: To increase the capacity of generation, and to reduce the loss of a stator coil by filling a vessel with a heat-insulating layer with a low- temperature liquid and immersing the normal-temperature superconducting stator coil int...
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JPS6418618A |
PURPOSE: To obtain a synthetic resin injection-molding machine minimizing the electric energy loss with at least a part of operating components being driven by a super-conductive magnetic apparatus and chilling the conductor used for the...
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JPS6416251A |
PURPOSE: To reduce the heating loss such as Jule heat or friction heat by arranging a current lead and a slip ring to a refrigerant supply line of a refrigerant circulating circuit. CONSTITUTION: A current lead 21 is led by insulating th...
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JPS645350A |
PURPOSE: To obtain a rotor to generate field flux efficiently, by making the current density high at near-interpolar coils and low at near-polar coils. CONSTITUTION: Each coil 4A∼4F is composed of turns of superconductive conductors 5 ...
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JPS63314163A |
PURPOSE: To enhance stability, by providing both field winding and armature winding to a stator facing both of them and by adding a means to change the flux interlinking the armature winding. CONSTITUTION: A field winding 2 is provided t...
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JPS63310367A |
PURPOSE: To prevent quench of field winding, by employing a liquid helium flow-out port having specific shape thereby promoting flow of liquid helium through a superconducting field winding. CONSTITUTION: Superconducting field windings 1...
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JPS63310364A |
PURPOSE: To facilitate starting of a rotary induction machine, by employing a closed circuit comprising superconductors and a cooling means therefor as the secondary winding of the rotary induction machine. CONSTITUTION: A secondary wind...
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JPS63310363A |
PURPOSE: To improve reliability, by arranging a damper winding employing superconducting wire material having high resistance against variation of magnetic field in a rotor. CONSTITUTION: Rotor for superconducting rotary machine is const...
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JPS63310365A |
PURPOSE: To make superconducting turbine generator compact, by placing a normal conducting limit resistor at rotary side, and providing a superconducting generator to be used exclusively for feeding power to the limit resistor upon inter...
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JPS63310366A |
PURPOSE: To improve maintainability and controllability, by employing superconducting field winding in a synchronous machine and feeding current through a rotary transformer therefor. CONSTITUTION: A rotor having a magnetic pole 7 is pro...
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JPS63194550U |
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JPS63305747A |
PURPOSE: To simplify the cooling structure of a superconducting magnetic field coil while enhancing stability in cooling, by cooling the end part of a heat transmitting member, which is brought into contact with the superconducting magne...
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JPS63305746A |
PURPOSE: To obtain a rigid superconducting rotor, wherein a cooling structure for a superconducting magnetic field coil is simplified, by protruding one end of a heat transmitting member, which comes into contact thermally with a superco...
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JPS63299765A |
PURPOSE: To improve reliability, by a method wherein the title rotary machine is structured so that outside refrigerant is isolated from inside refrigerant by a partitioning plate and refrigerant whose temperature is increased does not f...
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JPS63294253A |
PURPOSE: To reduce vibrations by simple constitution by fixing a casing on the installation foundation side without a ball bearing. CONSTITUTION: A superconducting field winding 1 cooled by liquid nitrogen is mounted to a torque tube 2. ...
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JPS63277466A |
PURPOSE: To increase reliability, by a method wherein a rectangular, tube type connecting case, made of an electroconductive material, is provided in a connecting device between coils of superconductive field coils. CONSTITUTION: A reces...
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JPS63265560A |
PURPOSE: To reduce the weight and the moment of intertia of a motor, by arranging superconductive bodies on the surface of a rotor. CONSTITUTION: A plurality of superconductive bodies 8a∼8h are arranged on the cylindrical surface of a ...
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JPS63249466A |
PURPOSE: To improve the energy efficiency of a refrigerating machine by employing a superconducting motor which uses a nonmetallic superconducting material. CONSTITUTION: A refrigerating machine is composed of a superconducting motor bod...
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JPS63249464A |
PURPOSE: To improve power generating and holding capacity, by shifting a generating rod to a coil and by inserting it into inside the coil or pulling it out. CONSTITUTION: A pair of output terminals 2 are connected to a closed loop circu...
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JPS63249465A |
PURPOSE: To use as a freezing mixture inexpensive liquid nitrogen by employing a nonmetallic superconducting material as a superconducting material used for a superconducting motor. CONSTITUTION: A DC superconducting motor is composed of...
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JPS63242163A |
PURPOSE: To enhance reliability, by setting a 'U'-formed connecting case made of conductive material, for the coil connecting device of superconductive field coils. CONSTITUTION: The connecting device of superconductive field coils 1 is ...
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JPS63232404A |
PURPOSE: To prevent quenching effectively by forming cooling channels, into which a refrigerant flows, among arbitrary layers in the winding of an extremely fine multiconductor filament while burying clearances among a wire rod except th...
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JPS63232403A |
PURPOSE: To obtain structure having an excellent stationary stability of a wire rod and also having superior cooling properties of the inside by rolling in spacers among the layers of a winding at the same time as a coil is wound and for...
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JPS63146473U |
The invention relates to the connection means used in a superconducting rotor to mechanically connect a "cold" inductor to a "hot" shaft. An inner ring (50) locks against an outer ring (52) under the effect of centrifugal force applied b...
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JPS63228961A |
PURPOSE: To permit the prevention of the welding part of a helium outer tube from damage without spoiling the flow of liquid helium necessary for cooling a superconducting field coil, by fitting the helium outer tube to the outer periphe...
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JPS63228963A |
PURPOSE: To secure an electric insulating distance without employing insulating bodies in respective grooves, which are provided with a large thickness, by a method wherein at least two places among connecting surfaces between the connec...
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JPS63228962A |
PURPOSE: To minimize the reduction of the volume of a superconducting field coil and permit the increase of an insulating distance efficiently, by providing insulating materials having L-shape sections at four corners between the inner s...
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JPS63228960A |
PURPOSE: To eliminate the restriction of the length of a connecting part to reduce the electric resistance of the same part and improve the stability of superconduction, by connecting neighboring partial coils mutually at the straight pa...
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JPS63228959A |
PURPOSE: To reduce the electric resistance of a connecting part and improve the stability of superconduction, by a method wherein a circumferential groove for connection is provided on the end of a coil mounting shaft and connecting part...
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JPS63228957A |
PURPOSE: To permit the prevention of the damage of welded parts on a helium outer tube without spoiling the flow of liquid helium, necessary for the cooling of a superconducting field coil, by a method wherein both ends of the helium out...
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JPS63228964A |
PURPOSE: To prevent the welding parts of an outer tube from damage without spoiling the flow of liquid helium necessary for cooling a coil, by a method wherein the outer tube, having axial grooves or spiral grooves on the inner periphera...
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JPS63228958A |
PURPOSE: To minimize the reduction of the volume of a superconducting field coil and permit the increase of an insulating distance efficiently, by a method wherein the title rotor is equipped with an insulating material, provided so as t...
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JPS6346968B2 |
PURPOSE:To recognized a spreading extent of quenching of a superconductor coil with an exciter which can regulate the coil current, by a method wherein the values related to the resistance produced in the coil are calculated every time b...
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JPS6343977B2 |
This invention relate to a structure for supporting a power lead connected to a superconductive field coil and refrigerant supply and discharge pipes in the hollow shaft of the superconductive rotor. A plurality of spacers for holding th...
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JPS6343992B2 |
PURPOSE:To enable to effectively attain a hermetical seal of a superconductive rotor even in any state by forming a safety valve system having an emergency gas exhaust passage by disposing a metal safety valve and a nonmetallic safety va...
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JPS63206157A |
PURPOSE: To maintain a liquid level position in a rotor in a predetermined range and to automatically regulate a stable liquid surface level position by balancing the pressure in a vapor refrigerant supplying tube and the pressure in an ...
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JPS63194562A |
PURPOSE: To enhance the reliability and the safety of a superconducting rotor by disposing a heat insulating wall having small thermal conductivity between the torque tube of an inner cylinder and liquid helium. CONSTITUTION: In a superc...
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JPS63190712A |
A new class of superconducting compositions, and methods for making and using them are described. These compositions exhibit superconductivity at temperatures in excess of 26° K. and are comprised of transition metal oxides having at le...
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JPS6336227B2 |
PURPOSE:To cool the conductor assuredly and to enhance the cooling effect in the container furthermore, by providing an exhausting means to reduce the pressure to the value lower than the pressure in the central part of the shaft in the ...
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JPS63161863A |
PURPOSE: To reduce a heat shrinkage factor by impregnating a section between conductors for field windings with an epoxy resin to which powder fillers such as silica are mixed. CONSTITUTION: An enamel-insulated superconducting wire 1 is ...
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JPS63144761A |
PURPOSE: To improve cooling and insulating properties of a winding by winding a surface of superconductive wire with a tape made by providing a nonwoven fabric with longitudinal and lateral grooves and by heating said fabric to bring it ...
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JPS63140660A |
PURPOSE: To enable long-term operation of a helium liquefier by providing a central part of rotation of rotor with a refrigerant supply and exhaust means and by forming said means from a condensation heat exchanger. CONSTITUTION: A centr...
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JPS6328330B2 |
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