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41. 发明专利

JPH10238876A HEAT INSULATING VESSEL, HEAT INSULATING DEVICE AND HEAT INSULATING METHOD 失效
公开(公告)号：JPH10238876A
公开(公告)日：1998-09-08
申请号：JP4056997
申请日：1997-02-25
申请人： TOSHIBA CORP
发明人： KURIYAMA TORU , TAKAHASHI MASAHIKO , ROOHANA CHANDLERTIRAKA , OTANI YASUMI , NAKAGOME HIDEKI
IPC分类号： F25B9/00 , F17C13/00 , F25D19/00
摘要： PROBLEM TO BE SOLVED: To prolong sufficiently a heat insulating time by a method wherein a heat insulating device is equipped with one sheet of heat shielding plate and a temperature control means for controlling a temperature while the temperature control means is connected thermally to the heat shielding plate upon regulating the temperature and they are separated thermally after the regulation to insulate heat. SOLUTION: A superconductive coil 23 is arranged in a vacuum vessel 38 and three sheets of heat shielding plates 39, 40, 41 are arranged around the superconductive coil 23. Heat transfer plates 42, 43, 44, 45, connected thermally to the heat shielding plates 39, 40, 41, are connected to thermal switch units 46a, 46b, 46c, 46d, which are capable of being connected thermally to the outside of the vessel. The heat transfer mechanism unit 35 of a cooling unit 22 is connected thermally to heat switch units 46a-46d to start cooling. After cooling to a temperature lower than superconductive transfer temperature, a cooling unit 22 is separated from a cold heat retaining vessel 24. On the other hand, the thermal switches 46a-46d are put OFF and the superconductive coil 23 is insulated thermally from the heat shielding plates 39, 40, 41 whereby cold heat is retained for a period of time, determined by a heat capacity and radiation heat shielding effect.

42. 发明专利

JPH0936442A SUPERCONDUCTING MAGNET 失效
公开(公告)号：JPH0936442A
公开(公告)日：1997-02-07
申请号：JP5919396
申请日：1996-03-15
申请人： TOSHIBA CORP
发明人： KURIYAMA TORU , HATTORI TOMOMI , TAKAHASHI MASAHIKO , OTANI YASUMI , NAKAGOME HIDEKI , HATAKEYAMA HIDEO , ROOHANA CHIYANDORA TEIRAKA
IPC分类号： H01L39/00 , H01F6/00 , H01L39/04
摘要： PROBLEM TO BE SOLVED: To obtain a superconducting magnet in which the temperature environment of superconducting coil can be sustained stably for a long term by means of a regenerator type refrigerator. SOLUTION: The superconducting magnet comprises a regenerator type refrigerator including regenerator unit in a plurality of stages and a plurality of cooling stages for sustaining the temperature environment of a superconducting coil 75 wherein the regenerator type refrigerator 80 includes a stationary regenerator unit 98 at least on the final stage.

43. 发明专利

JPH0918062A SUPERCONDUCTING MAGNET DEVICE 失效
公开(公告)号：JPH0918062A
公开(公告)日：1997-01-17
申请号：JP16207395
申请日：1995-06-28
申请人： TOSHIBA CORP
发明人： KURIYAMA TORU , OTANI YASUMI , ROOHANA CHIYANDORA TEIRAKA
IPC分类号： H01L39/20 , H01F6/00
摘要： PURPOSE: To prevent heat, which is generated with the operation of a permanent current switch, from intruding in the arrangement place of a superconducting coil as a thermal load. CONSTITUTION: A superconducting coil 2 is cooled at a first temperature level by a second-step cooling stage 6 of an air cooling refrigerator 4. The side of each one end of current lead elements 23a and 23b, which are formed of a superconductor of a superconducting transition temperature higher than that of the coil 2 and respectively constitute one part of a current lead 21, is connected with both ends of the coil 2. A permanent current switch element 32, which is formed of the same conductor as that forming the elements 23a and 23b, is connected between the sides of the other ends of the elements 23a and 23b and the element 32 and the sides of the other ends of the elements 23a and 23b are cooled at a second temperature level, which is higher than the first temperature level and is lower than the superconducting transition temperature of the elements, by a first-step cooling stage 5 of the refrigerator 4. An electric heatger 33 for making the element 32 transfer selectively to normal conductivity is arranged near the element 32.

44. 发明专利

JPH08313094A COLD STORAGE TYPE REFRIGERATOR 失效
公开(公告)号：JPH08313094A
公开(公告)日：1996-11-29
申请号：JP11749795
申请日：1995-05-16
申请人： TOSHIBA CORP
发明人： KURIYAMA TORU , NAKAGOME HIDEKI , OTANI YASUMI , YOSHINO TATSUYA
IPC分类号： F25B9/00 , F25B9/14
摘要： PURPOSE: To provide a cold storage type refrigerator capable of improving the refrigerating capacity of a cooler disposed at the final stage. CONSTITUTION: In a cold storage type refrigerating machine which employs the type of a plurality of expansion stages by providing a plurality of stages of cold storage units, a final cooler 52 for generating the lowest temperature constitutes a pulse tube refrigerating machine, and the high-temperature end of the tube 67 in a pulse tube refrigerating machine is extended substantially to an ambient temperature part.

45. 发明专利

JPH07142237A SUPERCONDUCTING MAGNET DEVICE 失效
公开(公告)号：JPH07142237A
公开(公告)日：1995-06-02
申请号：JP29198893
申请日：1993-11-22
申请人： TOSHIBA CORP
发明人： YAMAMOTO KAZUO , SAKUGI TAMAKI , YAMADA MINORU , NOMURA SHIYUNJI , KURIYAMA TORU , YAZAWA TAKASHI
IPC分类号： H01F6/04 , H01F6/00 , H01F6/06
摘要： PURPOSE:To effectively remove the influence of a magnetic field on an oxide superconducting lead which constitutes a part of a current lead. CONSTITUTION:A superconducting magnet device is provided with current leads 23a, 23b which supply a current to a super-conducting coil 9, and a part of the current leads 23a, 23b is composed of an oxide superconductor 25. In the super-conducting magnet device, the part which is formed of the oxide-based superconductor 25 is formed in such a way that the side of at least a high- temperature end 30 is arranged so as to make the direction of a current flowing to the side of the high-temperature end 30 nearly parallel to the direction of a leakage magnetic field applied to the side of the high-temperature end 30 from the superconducting coil 9.

46. 发明专利

JPH0727434A CRYOGENIC REFRIGERATOR 失效
公开(公告)号：JPH0727434A
公开(公告)日：1995-01-27
申请号：JP9761594
申请日：1994-05-11
申请人： TOSHIBA CORP
发明人： KURIYAMA TORU , SAITO AKIKO , NAKAGOME HIDEKI , TOKAI YOICHI
IPC分类号： C09K5/04 , F25B9/00
摘要： PURPOSE:To enhance refrigerating capacity near a temperature of liquid helium by charging first cold storage material and second cold storage material in a cold accumulator disposed at a final stage. CONSTITUTION:A cold storage material 22 is contained in a first displacer 18, and a cold storage material 24 is contained in a second displacer 19. The material 24 has a cold storage element 24a filled at a high temperature side and a cold storage element 24 b filled at a low temperature side. The element 24a is represented by a formula (Er(x)R(1-x))3Ni(y)Co(1-y) (where 0

47. 发明专利

JPH0544645A SEALING DEVICE 失效
公开(公告)号：JPH0544645A
公开(公告)日：1993-02-23
申请号：JP19779291
申请日：1991-08-07
申请人： TOSHIBA CORP
发明人： HAKAMATA RYUICHI , KURIYAMA TORU , NAKAGOME HIDEKI
IPC分类号： F04B39/00
摘要： PURPOSE:To provide a nonlubrication type sealing device with which the sealing performance can be improved drastically without making the structure complicated. CONSTITUTION:As for a sealing device for sealing the gap between a cylinder 15 and a piston 19 without using lubricating oil, an edged shape spring ring 45 is fitted into the groove inside an inner peripheral seal ring 44, and the first and second outermost peripheral seal rings 42 and 43 are installed on the outer periphery of the inner peripheral seal ring 44. The first and second outermost peripheral seal rings 42 and 43 and the inner peripheral seal ring 44 are formed in each edged shape, and the gaps 46-48 are formed between the edged parts. These gaps 46-48 are arranged so as not to be superposed on the outer periphery of the piston 19. The sealing device having such structure is installed in the groove on the outer periphery of the piston 19, and the outer periphery is pushed to the inner peripheral surface of the cylinder 15 by the action of the spring ring 45.

48. 发明专利

JPH0434270A SEAL DEVICE 失效
公开(公告)号：JPH0434270A
公开(公告)日：1992-02-05
申请号：JP13721990
申请日：1990-05-29
申请人： TOSHIBA CORP
发明人： KURIYAMA TORU , NAKAGOME HIDEKI
IPC分类号： F16J15/10 , F25B9/06 , F25B9/14
摘要： PURPOSE:To substantially improve seal performance without causing complication of a structure by providing a first spring ring for pressing a seal ring to the internal peripheral surface of a cylinder and a second spring ring for pressing the seal ring to the other wall surface. CONSTITUTION:In a seal device 41, an annular groove 19 formed in the peripheral surface of a second displacer 11, end shape-provided seal ring 31 mounted by bringing its peripheral surface into contact with the internal peripheral surface of a second cylinder 7 in this annular groove 19 and a spring ring 32 mounted inside this seal ring 31 to press it to the internal peripheral surface of the second cylinder 7 are provided. The seal device 41 is constituted of the above-mentioned and a spring ring 42, provided between one wall surface 37 of opposed wall for specifying an axial directional width of the annular groove 19 and the seal ring 31, to press the seal ring 31 to the other wall surface 38. By this constitution, a leak passage is not formed, without generating a clearance between the wall surface 38 and the seal ring 31, by urging the seal ring 31 by the spring ring 42.

49. 发明专利

JPH03158661A REFRIGERATOR 失效
公开(公告)号：JPH03158661A
公开(公告)日：1991-07-08
申请号：JP29757889
申请日：1989-11-17
申请人： TOSHIBA CORP
发明人： NAKAGOME HIDEKI , KURIYAMA TORU
IPC分类号： F25B9/00
摘要： PURPOSE:To largely reduce gas leakage and to effectively heat exchange gas with cold accumulation material by burying a gap between the material and a displacer with filler formed in cotton state of fibrous material such as glass fiber, ceramic fiber, etc. CONSTITUTION:When a first displacer 18, a second displacer 19 are filled with cold accumulation materials 22, 24 of copper mesh, lead sphere, filler 47 is previously filled along the peripheral walls in the displacers 18, 19, and the materials 22, 24 are then filled. The filler 47 is formed in cotton state of artificial inorganic fiber such as glass fiber, metal fiber, ceramic fiber, etc., as fibrous material. Thus, the filler 47 is filled in gaps 48 between the materials 22, 24 and the displacers 18, 19 to eliminate gas leakage, and the materials 22, 24 are effectively heat exchanged with the gas.

50. 发明专利

JPS62261868A HELIUM COOLING DEVICE 失效
公开(公告)号：JPS62261868A
公开(公告)日：1987-11-14
申请号：JP10340686
申请日：1986-05-06
申请人： TOSHIBA CORP
发明人： KURIYAMA TORU , HAKAMATA RYUICHI
IPC分类号： F25B9/00 , F25B9/02

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