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1. 发明专利

JPH03220492A SUPPORTING DEVICE FOR ELECTROMAGNETIC FORCE OF NUCLEAR FUSION REACTOR 失效
公开(公告)号：JPH03220492A
公开(公告)日：1991-09-27
申请号：JP1486490
申请日：1990-01-26
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： YOSHIDA KIYOSHI , KOIZUMI KOICHI , TSUJI HIROSHI , TADA EISUKE , OKUNO KIYOSHI , TACHIKAWA NOBUO , OMORI JUNJI , AKAHORI HIDEO
IPC分类号： G21B1/11 , G21B1/00 , G21B1/25 , H01F7/20
摘要： PURPOSE:To enable firm supporting even against a large electro-magnetic force and to prevent rapture of a keying member between a toroidal coil and a support member by forming an insulation layer of a keying member so as to corrugate in the poloidal direction of the toroidal magnetic field coil. CONSTITUTION:A support member 2 which supports electro-magnetic force Q, is provided between toroidal coils 1 which are arranged radially in a tolus direction of a vacuum chamber. A keying member 3 for supporting poloidal electro-magnetic force P is inserted in between the member 2 and the coil 1. The member 3 is formed as to be a three layers structure by being inserted by an insulation layer 5 which is formed corrugatedly between metal layers 4a and 4b in the poloidal direction of the coil 1. Also, on surfaces of the member 2 and the coil 1, an insulation layer 5 is formed. By corrugatedly forming of the insulation layer 5, the large electro-magnetic forces P and Q can be supported by the members 2 and 3, when the two forces work. Moreover, by providing the metal layers 4a and 4b on the both sides of the insulation layer 5, rapture of the member 3 can be avoided when the member 3 is driven in, and reliability of the member 3 is much improved.

2. 发明专利

JPH02309611A SUPERCONDUCTING MAGNET 失效
公开(公告)号：JPH02309611A
公开(公告)日：1990-12-25
申请号：JP13071289
申请日：1989-05-24
申请人： JAPAN ATOMIC ENERGY RES INST , TOSHIBA CORP
发明人： YOSHIDA KIYOSHI , OKUNO KIYOSHI , TSUJI HIROSHI , KOIZUMI KOICHI , NISHI MASATAKA , WACHI ARIHIRO
IPC分类号： H01F6/06
摘要： PURPOSE:To improve the mechanical strength of the title magnet and, at the same time, to improve the electric characteristics by uniformizing the stress distribution in the radial direction of a winding section by winding a double conduit conductor by a prescribed number of turns and preventing the occurrence of shearing force between the conductor and an insulating materiel. CONSTITUTION:A winding section 4 is constituted by housing a superconducting wire 6 in the first conduit 5 together with a coolant and winding a double conduit conductor 8 holding the first conduit 5 by a prescribed number of turns after the second conduit 7 is arranged so as to cover the outer peripheral part of the conduit 5. During the course of constituting the winding section 4, the stress distribution in the radial direction of the winding section 4 is made uniform and the occurrence of shearing force between the double conduit conductor 8 and an insulating material 9 is prevented by gradually increasing the thickness of the second conduit 7 in the radial direction from the inside diameter side to the outside diameter side of the winding section 4. Therefore, the mechanical strength can be increased and, at the same time, the electrical characteristics can be improved.

3. 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.

4. 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.

5. 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.

6. 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.

7. 发明专利

JPS57154776A SUPERCONDUCTIVE CONDUCTOR 失效
公开(公告)号：JPS57154776A
公开(公告)日：1982-09-24
申请号：JP3932581
申请日：1981-03-20
申请人： JAPAN ATOMIC ENERGY RES INST , HITACHI LTD
发明人： SHIMAMOTO SUSUMU , ANDOU TOSHINARI , YOSHIDA KIYOSHI , OKUNO KIYOSHI , YAMAGIWA TAKESHI , SATOU TOMOAKI
IPC分类号： H01R4/68 , H01B5/00 , H01B12/02

8. 发明专利

JPH0660747A MULTIPLE STRAND METHOD OF SUPERCONDUCTIVE STRAND 失效
公开(公告)号：JPH0660747A
公开(公告)日：1994-03-04
申请号：JP21306092
申请日：1992-08-10
申请人： JAPAN ATOMIC ENERGY RES INST
发明人： TSUJI HIROSHI , TAKAHASHI YOSHIKAZU , OKUNO KIYOSHI , KOIZUMI NORIKIYO
IPC分类号： D07B3/00 , H01B12/08 , H01B13/00
摘要： PURPOSE:To prevent current distribution unevenness among insulated strands of a large current conductor and improve the critical current density as a whole. CONSTITUTION:To manufacture a large current superconductive conductor by stranding a large number of superconductive strands, the stranding direction is reversed every time one stranding time increases while the times of stranding increase from one to n times.

9. 发明专利

JPH02222120A METHOD AND APPARATUS FOR WINDING OF CONDUCTOR 失效
公开(公告)号：JPH02222120A
公开(公告)日：1990-09-04
申请号：JP4270689
申请日：1989-02-22
申请人： JAPAN ATOMIC ENERGY RES INST , MITSUBISHI ELECTRIC CORP
发明人： TSUJI HIROSHI , NAKAJIMA HIDEO , OKUNO KIYOSHI , YOSHIDA KIYOSHI , SATO TAKASHI , SASAKI TAKASHI
IPC分类号： H01F41/06 , H01F6/06
摘要： PURPOSE:To form a winding conductor of a flat side face by pressure molding a conductor before winding it. CONSTITUTION:Pressure molding means 10 is provided between an uncoiler 1 and winding means 3. The means 10 pressure-molds a conductor 2 in a direction parallel to the axis 4a of a winding shaft 4. The means 10 has a stationary mold 11 for receiving the conductor 2, a movable mold 12 so disposed as to hold the conductor 2, and a driving mechanism 13. Thus, in order to form the side face of the conductor 2 to be deformed ln an uneven state during winding in a state having no deformation after winding, it is pressure molded in advance before winding. In this manner, a winding conductor having a flat side face including no deformation can be formed after winding.

10. 发明专利

JPS58111303A SUPERCONDUCTING COIL 失效
公开(公告)号：JPS58111303A
公开(公告)日：1983-07-02
申请号：JP20931381
申请日：1981-12-25
申请人： JAPAN ATOMIC ENERGY RES INST
发明人： ANDOU TOSHINARI , OKUNO KIYOSHI , SHIMAMOTO SUSUMU
IPC分类号： G21B1/11 , H01B12/10 , H01F6/06 , H01L39/00
摘要： PURPOSE:To relax the bending strain, by a method wherein after a superconducting coil is heat-treated in the state it has a radius of curvature about twice as large as the minimum radius of curvature, the coil is made linear and then wound. CONSTITUTION:The superconducting coil is formed from an intermetallic compound. The radial thickness of the portion constituted by a superconducting material after the final heat treatment is represented by 2t, and the minimum radius of curvature of the superconducting coil formed by winding the conductor is represented by RW. In case of producing a superconducting coil having the ratio, t/Rw, which is not less than 0.005, the superconductor is subjected to the final heat treatment for forming the superconducting material in the state where the conductor has a radius of curvature from 1.5 to 4 times as large as Rw, and made linear and is then wound to the final radius Rw.

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