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1. 发明专利

JPS63193409A SUPERCONDUCTIVE CONDUCTOR 失效
公开(公告)号：JPS63193409A
公开(公告)日：1988-08-10
申请号：JP2255087
申请日：1987-02-04
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： TAKAHASHI YOSHIKAZU , SHIMAMOTO SUSUMU , TSUJI HIROSHI , OKUNO KIYOSHI , HAMASHIMA KOTARO
IPC分类号： H01B12/08
摘要： PURPOSE:To improve stability of a superconductive conductor without increasing AC loss by compressing strand wires for mutually sticking such strand with solder. CONSTITUTION:A surface of a core 1a is applied with a prescribed amount of solder plating 2, and six pieces of surrounding strands are arranged centering about the core 1a for being stranded. Then, the whole is compressed and heated by high-frequency heating or the like to melt solder, with which the core 1a is coated, for sticking the surrounding strands to the core 1a. By compressing each strand 1 including the core 1a in this way, and mutually sticking with the solder 2, a thermal conductive area among respective strands, especially between the core 1a and the surrounding strands 1 is increased so as to sufficiently cool the core 1a also. Further, since the core 1a is electrically connected with the surrounding strands 1, it becomes a flow path of the current even being in a constantly conductive state to be able to reduce calorific value.

2. 发明专利

JPS63192211A CURRENT LEAD FOR SUPERCONDUCTING MAGNET 失效
公开(公告)号：JPS63192211A
公开(公告)日：1988-08-09
申请号：JP2255187
申请日：1987-02-04
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： TADA EISUKE , HIYAMA TADAO , KATO TAKASHI , YOSHIDA KIYOSHI , SHIMAMOTO SUSUMU , SASAKI KATSUTOKI
IPC分类号： H01F6/00
摘要： PURPOSE:To improve mechanical strength, insulating strength and a cooling effect by mounting a conductor, in which a plurality of hollow square copper bodies are arranged and unified, an insulator surrounding the outer circumferential section of the conductor and a lead vessel surrounding the conductor and the insulator, flowing low-temperature helium into the hollow section of the conductor and cooling the conductor. CONSTITUTION:A conductor 10 in which a plurality (twenty-five) of hollow square copper bodies are disposed and unified, an insulator 14 surrounding the outer circumferential section of the conductor 10 and a lead vessel 11 surrounding the conductor 10 and the insulator 14 are set up, and low-temperature helium gas 13 is flowed through the hollow section of the conductor 10 and the conductor 10 is cooled. Accordingly, a cooling effect can be improved, the outer circumference of the conductor is insulated by the insulator and insulating strength is increased, and the conductor and the lead vessel are unified and mechanical strength can be elevated.

3. 发明专利

JPH01173604A SUPERCONDUCTING COIL 失效
公开(公告)号：JPH01173604A
公开(公告)日：1989-07-10
申请号：JP33053387
申请日：1987-12-26
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： SHIMAMOTO SUSUMU , TSUJI HIROSHI , ANDO TOSHINARI , NISHI MASATAKA , NAGANUMA MASAMITSU
IPC分类号： H01F6/04 , H01F6/06 , H01F41/04
摘要： PURPOSE:To simplify a forming process and ensure the accuracy of dimensions of a coil by providing an insulating layer so as to surround the supporting container housing a sheath tube. CONSTITUTION:A sheath tube 11 wherein in the hollow part a supercoonducting wire 12 is housed, a supporting container 14 prepared in a coil form and constituted dividably along an axial direction and housing a sheath tube 11, and an insulating layer 16 so as to surround the supporting container 14 are provided. In other words, since the sheath tube 11 can withstand an internal pressure and electromagnetic force at quenching by the intensity of the supporting container 14, a thin one for the sheathe tube 11 itself can be used. This enables forming process to be easily performed without creating a deformation. Thus, since the supporting container 14 machined beforehand is used, the dimensional accuracy as a coil can be ensured.

4. 发明专利

JPS6428904A SUPERCONDUCTING MAGNET DEVICE 失效
公开(公告)号：JPS6428904A
公开(公告)日：1989-01-31
申请号：JP18361687
申请日：1987-07-24
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： SHIMAMOTO SUSUMU , NISHI MASATAKA , KIMURA SHINICHI
IPC分类号： H01L39/04 , H01F6/04
摘要： PURPOSE:To cool legs of a container of helium which are hard to cool not only from the inside of the container but also from lower ends, to shorten a cooling duration and to reduce a thermal stress by a method wherein a circulation passage of a coolant is formed inside of heat-insulating support legs. CONSTITUTION:Heat-insulating support legs 7 which are installed between lower parts of legs 2a of a container of helium and a bottom face of a vacuum container 4 are composed of, e.g., fiberglass-reinforced plastic (FRP) pipes; liquid nitrogen, low-temperature gas helium or the like inside a circulation pipe 8 for a coolant from the outside of the vacuum container 4 is supplied to the inside of the pipes; the coolant is guided to the outside of the vacuum container 4 through the circulation pipe 8. The arbitrary low-temperature gas helium during a preliminary cooling stage is fed through an injection pipe 5; it cools a coil 1 and the container of helium 2 sufficiently. If the liquid nitrogen or the low-temperature gas helium which is supplied from the circulation pipe 8 for the coolant is fed to the inside of the heat-insulating support legs 7, the legs 2a of the container of helium which are hard to cool are cooled from lower ends. By this setup, a cooling duration can be shortened; if a flow rate at both legs is controlled, a thermal stress can be reduced considerably.

5. 发明专利

JPH01183008A SUPERCONDUCTOR 失效
公开(公告)号：JPH01183008A
公开(公告)日：1989-07-20
申请号：JP360888
申请日：1988-01-11
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： SHIMAMOTO SUSUMU , TSUJI HIROSHI , TAKAHASHI YOSHIKAZU , OKUNO KIYOSHI , HAMASHIMA KOTARO
IPC分类号： H01L39/12 , H01B12/04 , H01B13/00
摘要： PURPOSE:To improve stability to the superconductive condition by setting the relation values such as the critical temperature of a superconductor, the applied magnetic field, the heat flux by joule heat when the superconductive cable changed to the normal conductive condition, the transmissibility of an insulating substance, the temperature of liquid He, etc., to the values which meet the cover thickness of the insulating substance and the specified formula. CONSTITUTION:The thickness t of an insulating substance 4 such as formal, etc., which covers the surface of a superconductive cable 3 constituted of a superconductive substance 1 consisting of NbTi or Nb3Sn and a stabilizing material 2 consisting of Cu, is made to the thickness that can meet such conditions as formula I so as to constitute a superconductor. That is when the critical temperature of the superconductive cable 3 is defined as Tc, the applied magnetic field, B, the heat flux by the joule heat when the superconductive cable 3 changed to the normal conductive condition, Qg, the heat transmissibility of the insulating substance 4, k, and the temperature of liquid He, Tc, the cover thickness t of the insulating substance 4 is constituted in the thickness that meets the formula I.

6. 发明专利

JPH01183009A SUPERCONDUCTOR 失效
公开(公告)号：JPH01183009A
公开(公告)日：1989-07-20
申请号：JP361088
申请日：1988-01-11
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： SHIMAMOTO SUSUMU , TSUJI HIROSHI , OKUNO KIYOSHI , TAKAHASHI YOSHIKAZU , HAMASHIMA KOTARO
IPC分类号： H01B12/08 , H01B12/16
摘要： PURPOSE:To improve stability of construction by winding a tape round a center core so as to form space which can reserve cooling medium between the core and a superconductive cable. CONSTITUTION:A tape 4 is wound spirally along the axial direction round a center core 1. And a superconductive cables 2 are twined and wound in the opposite direction to the winding direction of this tape 4. As this tape 4, metal, or insulating material, or both mixed one is used. Since the tape 4 is wound spirally round the center core 1 like this, much liquid He are reserved in space between the center core 1 and the superconductive cable 2, and further since the conductor is connected also in the longitudinal direction because this space is made spirally, even if a part of the superconductor 2 is heated for any cause and the liquid He is evaporated, sufficient liquid He can be replenished from the outside periphery and the inside periphery and the stability is improved.

7. 发明专利

JPH01136316A SUPERCONDUCTING MAGNET 失效
公开(公告)号：JPH01136316A
公开(公告)日：1989-05-29
申请号：JP29571587
申请日：1987-11-24
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： SHIMAMOTO SUSUMU , NISHI MASATAKA , NAGANUMA MASAMITSU
IPC分类号： H01F6/04 , H01L39/04
摘要： PURPOSE:To implement a compact configuration and to improve safety, by forming through holes so as to face each other in a sheath pipe, in which a superconductive wire bundle is contained so as to provide a helium flow path, and a reinforcing pipe, arranging a helium feeding pipe through both through holes so that the end part is placed at the superconductive wires, and bonding the parts by welding. CONSTITUTION:Superconductive wires 1 are contained in a thin sheath pipe 2 comprising nonmagnetic metal. Thus a superconductor in a cable-inconduct shape is formed. A thick reinforcing pipe 3, which reinforces the sheath pipe 2 in strength, is provided. A hole 20, through which helium is supplied, is provided in the sheath pipe 2. A hole 30, which supplies the helium, is provided at a position facing the hole 20 of the reinforcing pipe 3. In this way, the holes are provided in the sheath pipe 2 and the reinforcing pipe 3. A pipe 7 is inserted into the holes 20 and 30 and welded. Thus a helium feeding part can be provided without enlarging the cross section of the conductor.

8. 发明专利

JPS6428903A SUPERCONDUCTING MAGNET DEVICE 失效
公开(公告)号：JPS6428903A
公开(公告)日：1989-01-31
申请号：JP18361587
申请日：1987-07-24
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： TADA EISUKE , HIYAMA TADAO , YOSHIDA KIYOSHI , KATO TAKASHI , SHIMAMOTO SUSUMU , SASAKI KATSUTOKI
IPC分类号： F17C3/08 , H01F6/06 , H01L39/04
摘要： PURPOSE:To be capable of sufficiently resisting an electromagnetic force exerted on a superconducting coil even at an extremely low temperature by a method wherein a cushion spacer is arranged at a periphery of the superconducting coil, a cotter is inserted between this cushion spacer and a container of helium, a thermoset resin is heated and hardened and the superconducting coil is held so that the superconducting performance can be enhanced. CONSTITUTION:Cushion spacers 5 are inserted between a superconducting coil 1 and inner cotters 4b. The cushion spacers are filler materials composed of a thermoset resin as follows: it is viscous to such an extent that it can be adapted to an outer shape of the coil when the coil is assembled; it is hardened if it is heated; it displays the sufficient strength capable of resisting an electromagnetic force in an extremely low temperature state. The cushion spacers 5 are deformed by an insertion pressure of the inner cotters 4b in accordance with protruding parts and recessed parts on the surface of the superconducting coil 1; they come into contact with the whole periphery of the superconducting coil 1 uniformly and closely. If a superconducting magnet is heated as a whole in this state, the cushion spacers 5 are hardened in such a way that they are adapted to the shape of the surface of the superconducting coil 1 ; accordingly, they can then display the strength which can resist the electromagnetic force at the extremely low temperature.

9. 发明专利

JPS63192281A CRYOGENIC EQUIPMENT 失效
公开(公告)号：JPS63192281A
公开(公告)日：1988-08-09
申请号：JP2255287
申请日：1987-02-04
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： SHIMAMOTO SUSUMU , TSUJI HIROSHI , TAKAHASHI YOSHIKAZU , OKUNO KIYOSHI , SANADA YOSHINAO , HARADA MITSUO
IPC分类号： H01L39/04 , H01F6/04
摘要： PURPOSE:To eliminate excessive evaporation of coolant caused by an eddy current by providing a dummy spacer composed of an insulating member with a small heat, capacity whose outside surface is covered with fiber reinforced plastic which is made in such a manner that glass cloths are laminated and impregnated with epoxy resin and the resin is heated and cured in a coolant storage. CONSTITUTION:A dummy spacer composed of an insulating member 13 with a small heat capacity whose outside surface is covered with fiber reinforced plastic 14 which is made in such a manner that glass cloths are laminated and impregnated with epoxy resin and the resin is heated and cured is provided in a coolant storage in which a cryogenic equipment is housed. As the small heat capacity and light weight dummy spacer is provided, the space in the coolant storage is filled with the dummy spacer to reduce the filling quantity of expensive coolant such as liquid helium. Moreover, the cooling can be performed easily and workability can be improved and the generation of an eddy current is avoided and the evaporation of the coolant such as liquid helium can be suppressed.

10. 发明专利

JPH02173324A PERFORMANCE TESTER FOR SPEED FORM GAS TURBINE 失效
公开(公告)号：JPH02173324A
公开(公告)日：1990-07-04
申请号：JP32714988
申请日：1988-12-23
申请人： KOBE STEEL LTD , JAPAN ATOMIC ENERGY RES INST
发明人： SATO SADAO , NAKAYAMA YOSHIHIRO , KATO TAKASHI , TADA EISUKE , SHIMAMOTO SUSUMU , YAMAMURA HIDEMASA
IPC分类号： F02C1/02 , F01D25/00 , F02C1/10 , F02C6/00 , F02C7/00 , G01M15/00 , G01M15/14
摘要： PURPOSE:To make a highly reliable test possible, by making a constitution in which a high pressure gas from a compressor is depressurized by an ejector and supplied to the entrance of a test turbine, and a low pressure gas out of the turbine is sucked into the ejector through its sucking in opening, and after pressurization, return is made to a compressor sucking inside. CONSTITUTION:When applied to helium freeze cycles equipped at a helium freezer 1 and a compressor 2, an ejector 4 is provided between the entrance side 3i of a test turbine whose performance is to be tested, and the high pressure side 1h of the freezer 1. This ejector 4 is so constituted that it is equipped with a drive fluid supply opening 4a, a discharge opening 4b and a sucking in opening 4c, and the opening 4a is connected to the high pressure side 1h of the freezer 1 and the opening 4b is connected to the entrance side 3i of the turbine 3. And connection between the exit side 3e of the test turbine 3 and the sucking in opening 4c of the ejector 4 is made by means of a pressurizing line 5, and connection between the discharge opening 4b of the ejector 4 and the low pressure side 1l of the freezer 1 is made by means of a gas return line 6.

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