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    ROTARY JOINT
    3.
    发明申请
    ROTARY JOINT 有权
    旋转接头

    公开(公告)号：US20110031744A1

    公开(公告)日：2011-02-10

    申请号：US12935956

    申请日：2009-02-13

    Applicant: Hidekazu Takahashi ,  Mami Uchiyama

    Inventor： Hidekazu Takahashi ,  Mami Uchiyama

    IPC: F16L19/00

    CPC classification number: F16J15/3484 ,  F16C2361/00 ,  F16J15/43 ,  F16L39/04 ,  F16L59/185 ,  H02K1/32 ,  H02K9/193 ,  H02K55/04 ,  Y02E40/625

    Abstract: A rotary joint of the present invention maintains cryogenic temperature of a supplying refrigerant flowing through a fluid passage, and makes available to lubricate a seal face by the supplying refrigerant as well as to minimize a running cost for the refrigerant. The rotary joint of the present invention is that, in a mechanical seal device (1) composed of a mechanical seal comprising spaced rotary seal rings (1A) having a seal face (1A1) at both end faces tightly sealed with an outer circumferential face of a vacuum use cylindrical shaft (10), stationary seal rings (2A) provided with a counter seal face (2A1) hermetically sealed with the seal face (1A1) provided at both sides of the rotary seal rings (1A), elastic bellows (2B) which contact with a tip end circumferential face of the stationary seal ring (2A) for pressing the rotary seal ring (1A) to the seal face (1A1) side, wherein a first vacuum passage (50A1) communicates through a first clearance vacuum passage which is through an inner circumference of the counter seal face (2A1) of the stationary seal ring (2A) between an inner circumferential face of the stationary seal ring (2A) at one tip end side of the mechanical seal device (1) and the vacuum use cylindrical shaft (10), a second vacuum passage (50B1) communicates through a second clearance vacuum passage which is through an inner circumferential face of the stationary seal ring (2A) at another tip end side of the mechanical seal device (1) and the vacuum use cylindrical shaft, the first vacuum passage (50A1) and the second vacuum passage (50B1) are vacuumized so as to suck an inner circumferential side of the counter seal face (2A1) of the stationary seal ring (2A) of the one tip end side and an inner circumferential side of the counter seal face (2A1) of the stationary seal ring (2A) of the another tip end side.

    Abstract translation: 本发明的旋转接头保持流过流体通道的供应制冷剂的低温，并且可以通过供应制冷剂润滑密封面，并且使制冷剂的运行成本最小化。 本发明的旋转接头是在由机械密封构成的机械密封装置（1）中，所述机械密封装置包括间隔开的旋转密封环（1A），在两个端面上具有密封面（1A1） 设置有设置在旋转密封环（1A）两侧的密封面（1A1）密封的反密封面（2A1），弹性波纹管（2B）的真空用圆柱轴（10），固定密封环（2A） ），其与固定密封环（2A）的用于将旋转密封环（1A）按压到密封面（1A1）侧的前端圆周面接触，其中第一真空通道（50A1）通过第一间隙真空通道 所述固定密封环（2A）的所述固定密封环（2A）的所述固定密封环（2A）的内周面在所述机械密封装置（1）的一个前端侧的内周面与所述固定密封环 真空使用圆柱轴（10），第二个va 所述通道（50B1）通过第二间隙真空通道连通，所述第二间隙真空通道在所述机械密封装置（1）的另一个末端侧和所述真空用圆柱轴通过所述固定密封环（2A）的内周面，所述第一真空 通道（50A1）和第二真空通道（50B1）被抽真空，从而吸附一个末端侧的固定密封环（2A）的相对密封面（2A1）的内周侧和 另一顶端侧的固定密封环（2A）的反密封面（2A1）。

    Mechanical Seal Device
    4.
    发明申请
    Mechanical Seal Device 有权
    机械密封装置

    公开(公告)号：US20070296156A1

    公开(公告)日：2007-12-27

    申请号：US11667166

    申请日：2005-10-28

    Applicant: Takashi Yanagisawa ,  Koji Akiyama ,  Masanobu Ito ,  Mami Uchiyama

    Inventor： Takashi Yanagisawa ,  Koji Akiyama ,  Masanobu Ito ,  Mami Uchiyama

    IPC: F16J15/34

    CPC classification number: F16J15/3412 ,  F16J15/342

    Abstract: A mechanical seal device, wherein a rotational seal ring (10) and a stationary seal ring are arranged to face to each other between a rotational shaft and a housing fit together, comprising a rotational seal ring (10) connected to said rotational shaft, having a rotational seal surface (11), and having a plurality of arc-shaped grooves (12) arranged on said rotational seal surface to be in a circular shape around an axis center of said rotational shaft, the grooves being sectionalized by partition walls (13); a stationary seal ring having a stationary seal surface facing to the rotational seal surface (11) of said rotational seal ring (10); a spring for pressing said stationary seal ring against said rotational seal ring; and outlet portions formed on said stationary seal surface of said stationary seal ring and capable of connecting with a fluid supply path for supplying a pressure fluid. In said mechanical seal device, a circumferential direction length (W3) of each of said outlet portions is made to be ½ of a circumferential direction length (W1) of each of said partition walls or longer (W3≧W1/2); and a circumferential direction length (W3) of said outlet portions is made to be shorter than a circumferential direction length (W2) of said arc-shaped grooves (12) (W3

    Abstract translation: 一种机械密封装置，其中旋转密封环（10）和固定密封环被布置成在旋转轴和装配在一起的壳体之间彼此面对，包括连接到所述旋转轴的旋转密封环（10），具有 旋转密封面（11），并且具有设置在所述旋转密封面上的多个弧形槽（12），以围绕所述旋转轴的轴心为圆形，所述凹槽由分隔壁（13 ）; 固定密封环，其具有面向所述旋转密封环（10）的旋转密封表面（11）的固定密封表面; 用于将所述固定密封环压靠所述旋转密封环的弹簧; 以及形成在所述固定密封环的所述固定密封表面上并且能够与用于供应压力流体的流体供应路径连接的出口部分。 在所述机械密封装置中，每个所述出口部分的圆周方向长度（W 3/3）被制成每个所述出口部分的圆周方向长度（W 1/2） 的所述分隔壁或更长的长度（W 3 3 = W 1/2）; 并且使所述出口部分的圆周方向长度（W 3/3）比所述弧形槽（12）的圆周方向长度（W 2 2 N）短， （W 3＆lt; W 2＆gt; 2＆gt;）。

    ROTARY JOINT
    5.
    发明申请
    ROTARY JOINT 有权
    旋转接头

    公开(公告)号：US20110018255A1

    公开(公告)日：2011-01-27

    申请号：US12934663

    申请日：2009-02-13

    Applicant: Hidekazu Takahashi ,  Mami Uchiyama

    Inventor： Hidekazu Takahashi ,  Mami Uchiyama

    IPC: F16L41/00

    CPC classification number: F16J15/3484 ,  F16J15/43 ,  F16L27/087 ,  F16L39/04 ,  F16L59/185 ,  H02K5/124 ,  H02K55/00 ,  H02K55/04 ,  Y02E40/62 ,  Y02E40/625

    Abstract: The present invention provides a rotary joint which is available to maintain a cryogenic supplying refrigerant which flows in a fluid passage by a vacuum thermal insulation so that a cooling portion is cooled certainly. The rotary joint of the present invention comprises a vacuum use cylindrical shaft (10) supported in rotatable condition to an inner circumferential face of a main body having a vacuum passage, a rotary seal ring (1A) fitted to an outer circumferential face with a space and provided with seal faces at both end faces, a stationary seal (2A) ring provided at both sides of the respective rotary seal rings and provided with a counter seal face contacting hermetically with the seal face, a resilient bellows (2B) joint with a circumferential face of end portion of the stationary seal ring to press the stationary ring resiliently to the seal face side, a spaced fluid passage (20B) formed between the respective resilient bellows for passing through the supplying refrigerant by joining with a first fluid passage providing the supplying refrigerant, a second fluid passage (20C) communicating with the spaced fluid passage provided at the rotary seal ring, a connecting fluid passage (20D) communicating with the second fluid passage, a first pipe (20E) communicating through the spaced fluid passage so as to provide the supplying refrigerant to be vacuum thermally insulated in the vacuum use cylindrical shaft to a cooling portion, a connecting cover (42) having a suction bore for vacuumizing in the vacuum use cylindrical shaft and a magnetic fluid seal device (40) having a projection constituted as multiple gaps in the axial direction corresponding to a pressure of the vacuumizing.

    Abstract translation: 本发明提供了一种旋转接头，其可用于保持通过真空热绝缘在流体通道中流动的低温供应制冷剂，从而冷却部分被冷却。 本发明的旋转接头包括：可旋转状态地支撑在具有真空通道的主体的内周面上的真空用圆柱形轴（10），旋转密封环（1A），其安装在具有空间的外周面 并且在两个端面设置有密封面，设置在各个旋转密封环的两侧的固定密封件（2A）环，并设置有与密封面气密接触的反密封面，弹性波纹管（2B） 固定密封环的端部的周向表面，以将固定环弹性地按压到密封面侧，形成在相应的弹性波纹管之间的间隔开的流体通道（20B），用于通过与提供 供给制冷剂，与设置在旋转密封环处的间隔开的流体通路连通的第二流路（20C），连通流路（20D） 与所述第二流体通道连通;第一管道（20E），其通过所述间隔开的流体通道连通，以将所述供应制冷剂在所述真空用圆柱轴中提供真空热绝缘至冷却部分;连接盖（42），其具有 用于在真空使用圆柱形轴中抽真空的吸入孔和具有突出部的磁性流体密封装置（40），所述突起构成与轴向方向上对应于抽真空压力的多个间隙。

    Mechanical seal device
    6.
    发明授权
    Mechanical seal device 有权
    机械密封装置

    公开(公告)号：US07744094B2

    公开(公告)日：2010-06-29

    申请号：US11667166

    申请日：2005-10-28

    Applicant: Takashi Yanagisawa ,  Koji Akiyama ,  Masanobu Ito ,  Mami Uchiyama

    Inventor： Takashi Yanagisawa ,  Koji Akiyama ,  Masanobu Ito ,  Mami Uchiyama

    IPC: F16J15/40

    CPC classification number: F16J15/3412 ,  F16J15/342

    Abstract: A mechanical seal device includes a rotational seal ring connected to a rotational shaft, having a rotational seal surface and arc-shaped grooves arranged on the rotational seal surface. The grooves are sectionalized by partition walls. A stationary seal ring has a stationary seal surface facing the rotational seal surface of the rotational seal ring. A spring biases the stationary seal ring against the rotational seal ring. Outlet portions are formed on the stationary seal surface of the stationary seal ring and connect with a fluid supply path for supplying a pressure fluid. A circumferential direction length (W3) of each outlet portion is made to be ½ of a circumferential direction length (W1) of each partition wall or longer (W3≧W1/2); and a circumferential direction length (W3) of the outlet portions is made to be shorter than a circumferential direction length (W2) of the arc-shaped grooves (W3

    Abstract translation: 机械密封装置包括连接到旋转轴的旋转密封环，其具有旋转密封表面和设置在旋转密封表面上的弧形槽。 凹槽由分隔壁分段。 固定密封环具有面向旋转密封环的旋转密封表面的固定密封表面。 弹簧将静止的密封环偏置在旋转的密封环上。 出口部分形成在固定密封环的固定密封表面上，并与用于供应压力流体的流体供应路径连接。 每个出口部分的圆周方向长度（W3）为每个分隔壁的圆周方向长度（W1）的1/2或更长（W3≥W1/ 2）; 使出口部的圆周方向长度（W3）比圆弧状槽（W3

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