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    Method and apparatus for producing metallic ultrafine particles
    1.
    发明申请
    Method and apparatus for producing metallic ultrafine particles 审中-公开
    金属超微粒子的制造方法和装置

    公开(公告)号：US20070062333A1

    公开(公告)日：2007-03-22

    申请号：US11401411

    申请日：2006-04-11

    申请人： Junichi Saito ,  Kuniaki Ara ,  Hiroaki Ohira ,  Kuniaki Miura ,  Toshihiko Ogasawara

    发明人： Junichi Saito ,  Kuniaki Ara ,  Hiroaki Ohira ,  Kuniaki Miura ,  Toshihiko Ogasawara

    IPC分类号： B22F9/12

    CPC分类号： B22F1/0018 ,  B22F9/08 ,  B22F2009/0844 ,  B82Y30/00

    摘要： An object of the present invention is to efficiently produce ultrafine particles having such a small diameter as 50 nm or less, a narrow range of size distribution, and a non-oxidation surface. According to the present invention, the metallic ultrafine particles are produced by dropping a raw metallic powder onto a controllably heated evaporating surface in a decompressed inert gas; instantly evaporating the raw metallic powder to form the ultrafine particle; and condensing and depositing the ultrafine particle on a trapping surface arranged above the evaporating surface. The raw metallic powder is any one of a single metal, an alloy and an intermetallic compound, preferably has an average particle diameter controlled to 500 μm or smaller so that the powder can be instantly evaporated, and is preferably supplied by a minute amount.

    摘要翻译： 本发明的目的是有效地制造具有50nm以下的小直径，窄范围的尺寸分布和非氧化面的超微粒子。 根据本发明，通过在减压惰性气体中将原料金属粉末滴加到可控加热的蒸发表面上来制造金属超微粒子; 立即蒸发原料金属粉末，形成超细颗粒; 并将超细颗粒冷凝并沉积在布置在蒸发表面上方的捕集表面上。 原料金属粉末是单一金属，合金和金属间化合物中的任一种，优选将平均粒径控制在500μm以下，使得粉末能够瞬间蒸发，优选以微量的量供给。

    METHOD AND APPARATUS FOR PRODUCING METALLIC ULTRAFINE PARTICLES
    2.
    发明申请
    METHOD AND APPARATUS FOR PRODUCING METALLIC ULTRAFINE PARTICLES 审中-公开
    用于生产金属超细颗粒的方法和装置

    公开(公告)号：US20090008842A1

    公开(公告)日：2009-01-08

    申请号：US12204133

    申请日：2008-09-04

    申请人： Junichi SAITO ,  Kuniaki Ara ,  Hiroaki Ohira ,  Kuniaki Miura ,  Toshihiko Ogasawara

    发明人： Junichi SAITO ,  Kuniaki Ara ,  Hiroaki Ohira ,  Kuniaki Miura ,  Toshihiko Ogasawara

    IPC分类号： B22F9/00

    CPC分类号： B22F1/0018 ,  B22F9/08 ,  B22F2009/0844 ,  B82Y30/00

    摘要： An object of the present invention is to efficiently produce ultrafine particles having such a small diameter as 50 nm or less, a narrow range of size distribution, and a non-oxidation surface. According to the present invention, the metallic ultrafine particles are produced by dropping a raw metallic powder onto a controllably heated evaporating surface in a decompressed inert gas; instantly evaporating the raw metallic powder to form the ultrafine particle; and condensing and depositing the ultrafine particle on a trapping surface arranged above the evaporating surface. The raw metallic powder is any one of a single metal, an alloy and an intermetallic compound, preferably has an average particle diameter controlled to 500 μm or smaller so that the powder can be instantly evaporated, and is preferably supplied by a minute amount.

    摘要翻译： 本发明的目的是有效地制造具有50nm以下的小直径，窄范围的尺寸分布和非氧化面的超微粒子。 根据本发明，通过在减压惰性气体中将原料金属粉末滴加到可控加热的蒸发表面上来制造金属超微粒子; 立即蒸发原料金属粉末，形成超细颗粒; 并将超细颗粒冷凝并沉积在布置在蒸发表面上方的捕集表面上。 原料金属粉末是单一金属，合金和金属间化合物中的任一种，优选将平均粒径控制在500μm以下，使得粉末能够瞬间蒸发，优选以微量的量供给。

    Fluid in liquid state containing dispersed nano-particles of metal or the like
    4.
    发明授权
    Fluid in liquid state containing dispersed nano-particles of metal or the like 有权
    含有分散的金属纳米颗粒等的液态液体

    公开(公告)号：US07326368B2

    公开(公告)日：2008-02-05

    申请号：US11104406

    申请日：2005-04-13

    申请人： Hiroaki Ohira ,  Kuniaki Ara ,  Mamoru Konomura

    发明人： Hiroaki Ohira ,  Kuniaki Ara ,  Mamoru Konomura

    IPC分类号： H01B1/02 ,  H01B1/08 ,  C09K5/00

    CPC分类号： C09K5/10 ,  G21C15/28 ,  Y02E30/35

    摘要： Nano-particles 1 of a metal or the like are dispersed in a liquid fluid 2. Thereby, the reactivity or toxicity of the liquid fluid can be reduced when the liquid fluid has reactivity or toxicity. The flow resistance of the liquid fluid can be raised, and the leakage of the liquid fluid from minute cracks can be reduced. By using the liquid fluid as a heat transfer medium of a heat exchanger, the heat transfer performance equivalent to or higher than the heat transfer performance of the original heat exchanger can be obtained.

    摘要翻译： 金属等的纳米粒子1分散在液体流体2中。 因此，当液体流体具有反应性或毒性时，可以降低液体流体的反应性或毒性。 可以提高液体流体的流动阻力，并且可以减少液体流体从微小裂纹泄漏。 通过使用液体流体作为热交换器的传热介质，可以获得等于或高于原始热交换器的传热性能的传热性能。

    Helical type heat exchanger having intermediate heating medium
    5.
    发明授权
    Helical type heat exchanger having intermediate heating medium 失效
    具有中间加热介质的螺旋式热交换器

    公开(公告)号：US06568467B1

    公开(公告)日：2003-05-27

    申请号：US10118241

    申请日：2002-04-09

    申请人： Hiroaki Ohira ,  Kuniaki Ara

    发明人： Hiroaki Ohira ,  Kuniaki Ara

    IPC分类号： F28D710

    CPC分类号： F28D7/024 ,  F28D7/0066 ,  F28D15/00 ,  F28F2265/00

    摘要： A heat exchanger having an intermediate heating medium has a shell of the heat exchanger, a plurality of cylindrical partition tubes each of which has an annular space therein and is closed at both end portions thereof with annular walls, the cylindrical partition tubes being arranged concentrically in a mutually spaced manner in the shell, and helical coil-shaped heat exchanger tubes each of which is disposed in the annular space in the cylindrical partition tube. A high-temperature heating medium flows in the shell through clearances among the helically arranged multiple cylindrical partition tubes, a low-temperature heating medium flows in each of the helical coil-shaped heat exchanger tubes, and an intermediate heating medium chemically inactive with respect to both the high-temperature heating medium and the low-temperature heating medium and excellent in the heat transferring performance is passed through each of the annular spaces in the cylindrical partition tubes.

    摘要翻译： 具有中间加热介质的热交换器具有热交换器的外壳，多个圆筒形分隔管，每个分隔管在其中具有环形空间并且在其两个端部处与环形壁封闭，所述圆筒形分隔管同心地布置在 壳体中相互间隔的方式，以及每个都设置在圆筒形分隔管的环形空间中的螺旋形的线圈状的热交换器管。 高温加热介质通过螺旋排列的多个圆柱形分隔管之间的间隙在壳体中流动，低温加热介质流入每个螺旋形卷状热交换器管中，并且相对于 高温加热介质和低温加热介质均具有良好的传热性能，通过圆筒形分隔管中的每个环形空间。

    Fluid in liquid state containing dispersed nano-particles of metal or the like
    7.
    发明申请
    Fluid in liquid state containing dispersed nano-particles of metal or the like 审中-公开
    含有分散的金属纳米颗粒等的液态液体

    公开(公告)号：US20050269547A1

    公开(公告)日：2005-12-08

    申请号：US10894129

    申请日：2004-07-20

    申请人： Hiroaki Ohira ,  Kuniaki Ara ,  Mamoru Konomura

    发明人： Hiroaki Ohira ,  Kuniaki Ara ,  Mamoru Konomura

    IPC分类号： C09K5/08 ,  B22F9/00 ,  C09K5/10 ,  C09K3/18

    CPC分类号： C09K5/10 ,  G21C15/28 ,  Y02E30/35

    摘要： Nano-particles 1 of a metal or the like are dispersed in a liquid fluid 2. Thereby, the reactivity or toxicity of the liquid fluid can be reduced when the liquid fluid has reactivity or toxicity. The flow resistance of the liquid fluid can be raised, and the leakage of the liquid fluid from minute cracks can be reduced. By using the liquid fluid as a heat transfer medium of a heat exchanger, the heat transfer performance equivalent to or higher than the heat transfer performance of the original heat exchanger can be obtained.

    摘要翻译： 金属等的纳米颗粒1分散在液体流体2中。因此，当液体流体具有反应性或毒性时，可以降低液体流体的反应性或毒性。 可以提高液体流体的流动阻力，并且可以减少液体流体从微小裂纹泄漏。 通过使用液体流体作为热交换器的传热介质，可以获得等于或高于原始热交换器的传热性能的传热性能。