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    FLUID CONTAINER AND HEAT EXCHANGE APPARATUS
    1.
    发明公开
    FLUID CONTAINER AND HEAT EXCHANGE APPARATUS 审中-公开

    公开(公告)号：US20230213286A1

    公开(公告)日：2023-07-06

    申请号：US17998915

    申请日：2021-05-18

    申请人： Xenesys Inc. ,  NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF MARINE SCIENCE AND TECHNOLOGY

    发明人： Shunji SAKURAZAWA ,  Motoaki MORITA

    IPC分类号： F28C3/04

    CPC分类号： F28C3/04

    摘要： A fluid container that can prevent a container from being in contact with a heat source fluid and stably hold the heat source fluid, even if corrosive, in the container to perform heat recovery and the like. A first fluid and a second fluid are both allowed to flow into and out of a container body 10. The second fluid is supplied into the container body by a second fluid supply unit 30 to form a layer of the second fluid flowing down along an inner surface of the container body 10, causing the second fluid to be interposed between the first fluid and the inner surface of the container body. This eliminates deterioration of the container body due to corrosion of the container body by the fact that the first fluid has contact with the inner surface of the container body, as well as scale precipitation from the first fluid.

    SCALE THICKNESS ESTIMATION SYSTEM, SCALE THICKNESS ESTIMATION METHOD, AND SCALE THICKNESS ESTIMATION PROGRAM
    3.
    发明申请
    SCALE THICKNESS ESTIMATION SYSTEM, SCALE THICKNESS ESTIMATION METHOD, AND SCALE THICKNESS ESTIMATION PROGRAM 有权

    公开(公告)号：US20210108917A1

    公开(公告)日：2021-04-15

    申请号：US17048527

    申请日：2019-04-03

    申请人： NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF MARINE SCIENCE AND TECHNOLOGY

    发明人： Tatsuya HAZUKU ,  Motoaki MORITA

    IPC分类号： G01B21/08 ,  F23M5/08 ,  F23J3/02

    摘要： A scale thickness estimating system according an embodiment includes: a fluid temperature acquiring unit that acquires a temperature of a fluid flowing in a pipe; a flow path outer surface-temperature acquiring unit that acquires a temperature of an outer surface of the pipe; a heat flux acquiring unit that acquires a heat flux on the outer surface of the pipe; a flow path wall-thermal conductivity acquiring unit that acquires a flow path wall thermal conductivity of the pipe; a scale thermal conductivity acquiring unit that acquires a scale thermal conductivity of scale depositing on an inner surface of the pipe; and a scale thickness estimating unit that estimates a thickness of the scale based on the temperature of the fluid, the temperature of the outer surface, the heat flux, the flow path wall thermal conductivity, and the scale thermal conductivity.

    Underwater propulsion apparatus and underwater exploration apparatus
    4.
    发明授权
    Underwater propulsion apparatus and underwater exploration apparatus 有权

    公开(公告)号：US10315741B2

    公开(公告)日：2019-06-11

    申请号：US15516669

    申请日：2015-10-02

    申请人： NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF MARINE SCIENCE AND TECHNOLOGY

    发明人： Hayato Kondo ,  Masahiro Osakabe

    IPC分类号： B63G8/14 ,  B63H11/08 ,  B63H11/103 ,  B63H11/107

    摘要： An underwater propulsion apparatus 1 according to an embodiment includes a main body 2 having a conical tail portion, a channel 4 having an inlet 6 in the outer circumferential surface of the main body 2 and a nozzle 7 on the side downstream of the inlet 6 and in the tail portion, at least one pump 3 having an impeller 5 provided in the channel 4, a diffuser 8 attached to the main body 2 so as to surround the outer circumference of the nozzle 7, and a plurality of direction control wings 9 attached to the outer surface of the main body 2 and located in positions downstream of the nozzle 7 and close thereto, each of the plurality of direction control wings 9 having an upstream end pivotally supported by the main body 2.

    OXIDE SUPERCONDUCTING BULK MAGNET
    5.
    发明申请
    OXIDE SUPERCONDUCTING BULK MAGNET 审中-公开

    公开(公告)号：US20170316859A1

    公开(公告)日：2017-11-02

    申请号：US15526541

    申请日：2015-11-13

    申请人： NIPPON STEEL & SUMITOMO METAL CORPORATION ,  National University Corporation Tokyo University of Marine Science and Technology

    发明人： Mitsuru MORITA ,  Hidekazu TESHIMA ,  Motohiro MIKI ,  Mitsuru IZUMI

    IPC分类号： H01F6/00 ,  C04B35/45 ,  H01F1/11

    CPC分类号： H01F6/00 ,  C01G1/00 ,  C01G3/00 ,  C04B35/4504 ,  C04B2235/3224 ,  H01B12/02 ,  H01F1/11 ,  Y02E40/64 ,  Y02E40/641

    摘要： A superconducting bulk magnet comprising a plurality of superconducting bulk materials combined, in which breakage of superconducting bulk materials is prevented and a strong magnetic field can be generated, that is, a superconducting bulk magnet comprising a plurality of superconducting bulk materials, each comprising a single-crystal formed RE1Ba2Cu3Oy (RE is one or more elements selected from Y or rare earth elements, where 6.8≦y≦7.1) in which RE2BaCuO5 is dispersed and each provided with a top surface, a bottom surface, and side surfaces, combined together, in which superconducting bulk magnet, bulk material units, each comprising a superconducting bulk material and a bulk material reinforcing member arranged so as to cover a side surface of the same, are arranged facing the same direction and contacting each other to form an assembly, a side surface of the assembly is covered by an assembly side surface reinforcing member, a top surface and bottom surface of the assembly are respectively covered by an assembly top reinforcing member and an assembly bottom reinforcing member, and the assembly side surface reinforcing member, the assembly top reinforcing member, and the assembly bottom reinforcing member are joined into an integral unit, is provided.

    RADIAL-GAP TYPE SUPERCONDUCTING SYNCHRONOUS MACHINE, MAGNETIZING APPARATUS AND MAGNETIZING METHOD
    6.
    发明申请
    RADIAL-GAP TYPE SUPERCONDUCTING SYNCHRONOUS MACHINE, MAGNETIZING APPARATUS AND MAGNETIZING METHOD 审中-公开

    公开(公告)号：US20170310201A1

    公开(公告)日：2017-10-26

    申请号：US15300220

    申请日：2015-03-25

    申请人： NATIONAL UNIVERSITY CORPORATION TOKYO UNIVERSITY OF MARINE SCIENCE AND TECHNOLOGY

    发明人： Mitsuru IZUMI ,  Motohiro MIKI

    IPC分类号： H02K21/14 ,  H01F6/00 ,  H01F13/00 ,  H02K15/03

    摘要： A radial-gap type superconducting synchronous machine 1 is prepared which includes a rotor 20 having, on its peripheral side, a convex magnetic pole 21 which includes, at its distal end part, bulk superconductors 30. When viewed in the direction of the rotational axis C1 of the rotor 20, the magnetic pole center side of the bulk superconductors 30 is disposed nearer to a stator 10 than the magnetic pole end side of the bulk superconductors 30. A ferromagnet 28 is disposed on the rotational axis C1 side of the bulk superconductors 30. A magnetizing apparatus 100 is disposed outside the bulk superconductors 30 in the radial direction of the rotor 20. Magnetization of the bulk superconductors 30 is performed by directing magnetic flux lines from the magnetizing apparatus 100 toward the bulk superconductors 30.