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    Sub-atmospheric gas delivery method and apparatus
    2.
    发明授权
    Sub-atmospheric gas delivery method and apparatus 失效
    次气体输送方法及装置

    公开(公告)号：US07013916B1

    公开(公告)日：2006-03-21

    申请号：US09641933

    申请日：2000-08-18

    申请人： Ronald Martin Pearlstein ,  John Giles Langan ,  Dao-Hong Zheng ,  John Irven ,  Benjamin Lee Hertzler

    发明人： Ronald Martin Pearlstein ,  John Giles Langan ,  Dao-Hong Zheng ,  John Irven ,  Benjamin Lee Hertzler

    IPC分类号： F16K11/20 ,  F16K31/12 ,  G05D7/00

    CPC分类号： F16K1/305 ,  F16K37/0091 ,  F17C13/04 ,  F17C2205/0338 ,  F17C2205/035 ,  F17C2205/0391 ,  F17C2227/044 ,  F17C2227/048 ,  F17C2270/0518 ,  G05D16/10 ,  Y10T137/0379 ,  Y10T137/0396 ,  Y10T137/4245 ,  Y10T137/5762 ,  Y10T137/7069 ,  Y10T137/7794 ,  Y10T137/7796 ,  Y10T137/86083 ,  Y10T137/87917

    摘要： An apparatus for containing and delivering hazardous gases at sub-atmospheric pressure from a pressurized container is provided which includes a valve body in sealed communication with an outlet orifice of the pressurized container. The outlet orifice of the pressurized container is open to an interior chamber of the pressurized container. A fluid discharge path is located in the valve body, between the outlet orifice of the pressurized container and an outlet orifice of the valve body. A pressure regulator having a pressure sensing means capable of responding to sub-atomospheric pressure, is integral to the valve body, in-line in the fluid discharge path with the pressure regulator pre-set to a pressure below atmospheric pressure to allow the gas to be delivered through the regulator from the interior chamber only when the pressure regulator senses a downstream pressure at or below the pre-set pressure. Finally, a high pressure shut-off valve integral to the valve body and in-line in the fluid discharge path and upstream from the pressure regulator is included. The gas flows through from the interior chamber of the pressurized container through the fluid discharge path, through the outlet orifice of the pressurized container, and through the outlet orifice of the valve body only when the outlet orifice is connected to a vacuum system. A method of containing and delivering hazardous gases at sub-atmospheric pressure is also provided.

    摘要翻译： 提供了一种用于从加压容器中容纳和传送低于大气压的有害气体的装置，其包括与加压容器的出口孔密封连通的阀体。 加压容器的出口孔通向加压容器的内部室。 流体排放路径位于阀体中，位于加压容器的出口孔与阀体的出口孔之间。 压力调节器具有能够响应亚大气压力的压力感测装置，与压力调节器预先设定为低于大气压的压力一起在流体排放路径中与阀体成一体，以允许气体 只有当压力调节器感测到等于或低于预设压力的下游压力时，才能通过调节器从内部室输送。 最后，包括与阀体成一体并且在流体排放路径中并且在压力调节器上游的一体的高压截止阀。 如果出口孔连接到真空系统，则气体从加压容器的内部腔室通过流体排出通道，通过加压容器的出口孔流过阀体的出口孔。 还提供了一种在低于大气压的压力下容纳和输送有害气体的方法。

    Gas control device and method of supplying gas
    4.
    发明授权
    Gas control device and method of supplying gas 有权

    公开(公告)号：US06648021B2

    公开(公告)日：2003-11-18

    申请号：US10137078

    申请日：2002-05-02

    申请人： Dao-Hong Zheng ,  John Irven ,  Mark Allen George

    发明人： Dao-Hong Zheng ,  John Irven ,  Mark Allen George

    IPC分类号： B08B9027

    CPC分类号： F17C13/04 ,  F17C5/02 ,  F17C7/02 ,  F17C13/025 ,  F17C2205/0338 ,  F17C2205/0391 ,  F17C2227/044 ,  F17C2227/048 ,  F17C2270/0518 ,  F17D1/04 ,  Y10T137/0419 ,  Y10T137/4259 ,  Y10T137/87249 ,  Y10T137/87885

    摘要： A modular gas control device for use with a compressed gas cylinder (111) comprises a primary module (152) and a secondary module (252) mounted on the primary module. The primary module comprises a first supporting body (154) having a first main gas flow path (155) through the body. The supporting body has input connecting means (156) for mounting the body on the cylinder (111) and connecting the gas flow path (155) to communicate with the gas cylinder through a first flow path (157). Pressure reducing means (166) provides gas in the flow path at a lower pressure than in the container. Output connecting means (170) downstream of the pressure reducing means provides a low pressure outlet from the main gas flow path. A high pressure shut-off valve (164) is positioned upstream of the pressure reducing means, and filling means (161, 160) allows filling of the cylinder with compressed gas through the input connecting means (156) along a second flow path (159) separate from the input flow path (157). The secondary module (252) has a corresponding supporting body (254) and main flow path (255) and corresponding output connecting means (270) and corresponding input connecting means (256) for mounting the secondary module (252) on the primary module (152). The supporting body (254) of the secondary module has a combination of two or more functional components comprising means for measuring and/or varying parameters of gas flow in the second supporting body, and/or for switching and/or venting and/or mixing gas flow in the second supporting body.

    Apparatus for supplying high purity fluid
    5.
    发明授权
    Apparatus for supplying high purity fluid 失效
    用于提供高纯度流体的装置

    公开(公告)号：US5409526A

    公开(公告)日：1995-04-25

    申请号：US132541

    申请日：1993-10-05

    申请人： Dao-Hong Zheng ,  John Irven ,  Alan J. F. Paterson ,  Daniel C. Tregear

    发明人： Dao-Hong Zheng ,  John Irven ,  Alan J. F. Paterson ,  Daniel C. Tregear

    IPC分类号： B01J4/00 ,  B01D53/04 ,  B01D53/14 ,  F17C13/00

    CPC分类号： B01D53/0415 ,  F17C13/002 ,  B01D2253/108 ,  B01D2259/4525 ,  F17C2201/0109 ,  F17C2201/0119 ,  F17C2201/032 ,  F17C2201/058 ,  F17C2205/0329 ,  F17C2205/0335 ,  F17C2205/0338 ,  F17C2205/0341 ,  F17C2205/0382 ,  F17C2205/0391 ,  F17C2221/05 ,  F17C2223/0123 ,  F17C2270/0518

    摘要： An apparatus for supplying high purity gas comprises a cylinder having a valve with two internal ports. One internal port is used to fill the cylinder while the other is fitted with a unit which removes particulates and impurities from the gas as it leaves the cylinder. The unit comprises an inlet, a first filter for removing coarse particulates, layers of adsorbent and absorbent for removing impurities, and a second filter for removing fine particulates. The purified gas leaves the cylinder via the valve and after passing through a regulator, a flow control device and various lengths of tubing passes through a conventional purifier immediately upstream of the point of use. The apparatus reduces the load on the purifier and hence decreases the frequency at which the purifier has to be recharged. Potentially the apparatus could obviate the need for the purifier altogether.

    摘要翻译： 用于提供高纯度气体的装置包括具有带有两个内部端口的阀的气缸。 一个内部端口用于填充气缸，而另一个内部端口装配有一个单元，当气体离开气缸时，可以从气体中去除微粒和杂质。 该单元包括入口，用于除去粗颗粒的第一过滤器，吸附剂层和用于除去杂质的吸收剂，以及用于除去细小颗粒的第二过滤器。 净化后的气体经由阀离开汽缸，在通过调节器之后，流量控制装置和各种长度的油管在紧接使用点的上游通过常规净化器。 该装置减少净化器上的负载，因此降低净化器必须再充电的频率。 可能的是，该装置可以完全消除对净化器的需要。

    Gas control device and method of supplying gas
    6.
    发明授权
    Gas control device and method of supplying gas 有权
    气体控制装置及气体供给方法

    公开(公告)号：US06527009B2

    公开(公告)日：2003-03-04

    申请号：US09929440

    申请日：2001-08-14

    申请人： Dao-Hong Zheng ,  John Irven ,  Mark Allen George

    发明人： Dao-Hong Zheng ,  John Irven ,  Mark Allen George

    IPC分类号： B08B9027

    CPC分类号： F17C13/04 ,  F17C5/02 ,  F17C7/02 ,  F17C13/025 ,  F17C2205/0338 ,  F17C2205/0391 ,  F17C2227/044 ,  F17C2227/048 ,  F17C2270/0518 ,  F17D1/04 ,  Y10T137/0419 ,  Y10T137/4259 ,  Y10T137/87249 ,  Y10T137/87885

    摘要： A modular gas control device for use with a compressed gas cylinder (111) comprises a primary module (152) and a secondary module (252) mounted on the primary module. The primary module comprises a first supporting body (154) having a first main gas flow path (155) through the body. The supporting body has input connecting means (156) for mounting the body on the cylinder (111) and connecting the gas flow path (155) to communicate with the gas cylinder through a first flow. path (157). Pressure reducing means (166) provides gas in the flow path at a lower pressure than in the container. Output connecting means (170) downstream of the pressure reducing means provides a low pressure outlet from the main gas flow path. A high pressure shut-off valve (164) is positioned upstream of the pressure reducing means, and filling means (161, 160) allows filling of the cylinder with compressed gas through the input connecting means (156) along a second flow path (159) separate from the input flow path (157). The secondary module (252) has a corresponding supporting body (254) and main flow path (255) and corresponding output connecting means (270) and corresponding input connecting means (256) for mounting the secondary module (252) on the primary module (152). The supporting body (254) of the secondary module has a combination of two or more functional components comprising means for measuring and/or varying parameters of gas flow in the second supporting body, and/or for switching and/or venting and/or mixing gas flow in the second supporting body.

    摘要翻译： 用于压缩气瓶（111）的模块化气体控制装置包括主模块（152）和安装在主模块上的次模块（252）。 主模块包括具有通过主体的第一主气流路径（155）的第一支撑体（154）。 支撑体具有用于将主体安装在气缸（111）上的输入连接装置（156），并且连接气体流路（155），以通过第一流量与气瓶连通。 路径（157）。 减压装置（166）以比在容器中更低的压力在流路中提供气体。 减压装置下游的输出连接装置（170）从主气流路径提供低压出口。 高压截止阀（164）位于减压装置的上游，并且填充装置（161,160）允许通过输入连接装置（156）沿着第二流动路径（159）以压缩气体填充气缸 ）与输入流路径（157）分离。 辅助模块252具有对应的支撑体254和主流路255以及相应的输出连接装置270和相应的输入连接装置256，用于将次模块252安装在主模块上 152）。 二次模块的支撑体（254）具有两个或多个功能部件的组合，其包括用于测量和/或改变第二支撑体中的气流参数和/或用于切换和/或排气和/或混合的装置 气流在第二支撑体内。

    Gas control device and method of supplying gas
    7.
    发明授权
    Gas control device and method of supplying gas 有权
    气体控制装置及气体供给方法

    公开(公告)号：US06314986B1

    公开(公告)日：2001-11-13

    申请号：US09189562

    申请日：1998-11-11

    申请人： Dao-Hong Zheng ,  John Irven ,  Mark Allen George

    发明人： Dao-Hong Zheng ,  John Irven ,  Mark Allen George

    IPC分类号： B08B9027

    CPC分类号： F17C13/04 ,  F17C5/02 ,  F17C7/02 ,  F17C13/025 ,  F17C2205/0338 ,  F17C2205/0391 ,  F17C2227/044 ,  F17C2227/048 ,  F17C2270/0518 ,  F17D1/04 ,  Y10T137/0419 ,  Y10T137/4259 ,  Y10T137/87249 ,  Y10T137/87885

    摘要： A modular gas control device for use with a compressed gas cylinder (111) comprises a primary module (152) and a secondary module (252) mounted on the primary module. The primary module comprises a first supporting body (154) having a first main gas flow path (155) through the body. The supporting body has input connecting means (156) for mounting the body on the cylinder (111) and connecting the gas flow path (155) to communicate with the gas cylinder through a first flow path (157). Pressure reducing means (166) provides gas in the flow path at a lower pressure than in the container. Output connecting means (170) downstream of the pressure reducing means provides a low pressure outlet from the main gas flow path. A high pressure shut off valve (164) is positioned upstream of the pressure reducing means, and filling means (161, 160) allows filling of the cylinder with compressed gas through the input connecting means (156) along a second flow path (159) separate from the input flow path (157). The secondary module (252) has a corresponding supporting body (254) and main flow path (255) and corresponding output connecting means (270) and corresponding input connecting means (256) for mounting the secondary module (252) on the primary module (152). The supporting body (254) of the secondary module has a combination of two or more functional components comprising means for measuring and/or varying parameters of gas flow in the second supporting body, and/or for switching and/or venting and/or mixing gas flow in the second supporting body.

    摘要翻译： 用于压缩气瓶（111）的模块化气体控制装置包括主模块（152）和安装在主模块上的次模块（252）。 主模块包括具有通过主体的第一主气流路径（155）的第一支撑体（154）。 支撑体具有用于将主体安装在气缸（111）上的输入连接装置（156），并且通过第一流路（157）连接气体流路（155）与气瓶连通。 减压装置（166）以比在容器中更低的压力在流路中提供气体。 减压装置下游的输出连接装置（170）从主气流路径提供低压出口。 高压截止阀（164）位于减压装置的上游，并且填充装置（161,160）允许通过输入连接装置（156）沿着第二流动路径（159）以压缩气体填充气缸， 与输入流路径（157）分离。 辅助模块252具有对应的支撑体254和主流路255以及相应的输出连接装置270和相应的输入连接装置256，用于将次模块252安装在主模块上 152）。 二次模块的支撑体（254）具有两个或多个功能部件的组合，其包括用于测量和/或改变第二支撑体中的气流参数和/或用于切换和/或排气和/或混合的装置 气流在第二支撑体内。

    Method of making solid preforms and optical fibers drawn therefrom
    8.
    发明授权
    Method of making solid preforms and optical fibers drawn therefrom 失效
    制作固体预成型件和从其中拉出的光纤的方法

    公开(公告)号：US4341441A

    公开(公告)日：1982-07-27

    申请号：US761746

    申请日：1977-01-24

    申请人： Paul E. Lighty ,  Philip W. Black ,  John Irven

    发明人： Paul E. Lighty ,  Philip W. Black ,  John Irven

    IPC分类号： C03B37/018 ,  G02B6/00 ,  G02B6/44 ,  C03B37/025 ,  C03B37/075

    CPC分类号： C03B37/01861 ,  C03B37/01807 ,  C03B37/01853 ,  C03B37/01869 ,  G02B6/4492 ,  C03B2201/28 ,  C03B2201/30 ,  C03B2201/31 ,  C03B2201/32 ,  C03B2201/40 ,  C03B2201/42 ,  C03B2205/16

    摘要： An optical glass fiber is formed of an inner layer of germania doped glass within the bore of the outer cladding tube of silica. The tube with the higher index of refraction inner layer is rotated while being heated to collapse the bore to form an optical fiber preform. The preform is then drawn into fiber in a separate operation. A first silica layer can be deposited within the tube bore before the germania doped layer. The deposition of germania takes place under hydrogen free conditions. Appropriate heat treatment of the tube avoids excessive evaporation of germania and provides a graded transition of the refractive index in the boundary between core and cladding.

    摘要翻译： 光学玻璃纤维由二氧化硅外包层的孔内的由掺杂锗的玻璃的内层形成。 具有较高折射率内层的管旋转同时被加热以使孔塌缩以形成光纤预制件。 然后将预成型件在单独的操作中拉制成纤维。 第一二氧化硅层可以在氧化锗掺杂层之前沉积在管孔内。 铀的沉积在无氢条件下进行。 管的适当热处理避免了氧化锗的过度蒸发，并且提供了芯和包层之间的边界中折射率的渐变过渡。