Free-diaphragm pump
    1.
    发明授权
    Free-diaphragm pump 有权
    自由隔膜泵

    公开(公告)号:US06402486B1

    公开(公告)日:2002-06-11

    申请号:US09946752

    申请日:2001-09-04

    IPC分类号: F04B4306

    摘要: A pump for ultra-pure fluids comprises a flexible diaphragm separating a fluid chamber from an air chamber. The diaphragm creates an airtight seal between the fluid chamber and the air chamber when a self-centering and trapezoidal shaped wedge compressively forces the diaphragm into a trapezoidal shaped perimeter cavity surrounding the chambers. Any leak from the fluid chamber into the air chamber is detected by a fiber optic system comprising two optical fibers that are disposed at an angle that is calculated to enable light to pass between the fibers only in the presence of a liquid having a predetermined index of refraction. The fiber optic system can also be used to determine the stroke of the pump by disposing the fiber optic lines at an angle calculated to reflect light off of the oscillating diaphragm when the diaphragm arrives at a predetermined location.

    摘要翻译: 用于超纯流体的泵包括将流体室与空气室分开的柔性隔膜。 当自定心和梯形形状的楔形物压缩地将隔膜压迫到围绕室的梯形周边空腔时,隔膜在流体室和空气室之间产生气密密封。 从流体室进入空气室的任何泄漏由包括两个光纤的光纤系统检测,该光纤系统被设置成一角度,以使光仅在存在具有预定指数 折射。 光纤系统还可以用于通过将光纤线设置成当光阑到达预定位置时被计算为反射光离开振荡光阑的角度来确定泵的行程。

    Free-diaphragm pump
    2.
    发明授权
    Free-diaphragm pump 有权
    自由隔膜泵

    公开(公告)号:US6106246A

    公开(公告)日:2000-08-22

    申请号:US166490

    申请日:1998-10-05

    摘要: A pump for ultra-pure fluids, such as hot, de-ionized water, processing acids, and the like, such as those used in the semiconductor processing industries, is designed to operate at greater than 10 and often 30 or 50 million cycles without failure, and to be failclean. A diaphragm pump maintains a free diaphragm, supported in a contoured chamber for driving and being driven by a piston, able to move radially, rather than absorbing misalignment or distortions. A self-energizing, self-centering, trapezoidal seal captures a constant-thickness diaphragm between a head and body forming the chamber of the pump, separating a body portion and a head portion. An oriented, calendered, multi-layered chlorofluorocarbon diaphragm may be the same material chemically as the body, head, or both. Non-reactive pilots control an operating (motive) fluid, detecting the end-of-stroke whether near the head or near the body. An integrated base controller for the operating fluid supports the apparatus, has a quick exhaust for dumping external-controller air overboard after use, and a bias disk to provide precise, digital, spool positioning within an operational range of pressure differentials. The heads may connect to the body by slip rings, so heads remain registered. Cantilevered portions of the head may absorb secondary creep and provide continued spring loading using exclusively non-reactive materials, no metals, and no elastomers, as a failclean system.

    摘要翻译: 用于超纯流体的泵,例如热,去离子水,加工酸等,例如在半导体加工工业中使用的那些,被设计为在大于10次,通常为30或5000万次循环的情况下操作,而没有 失败,失败。 隔膜泵保持自由的隔膜,支撑在轮廓室中,用于驱动并由能够径向移动的活塞驱动,而不是吸收不对准或扭曲。 自动自动定心的梯形密封件在形成泵的腔室的头部和主体之间捕获恒定厚度的隔膜,分离主体部分和头部部分。 取向的,压延的多层氯氟烃隔膜可以是与身体,头部或两者化学相同的材料。 非反应性驾驶员控制操作(动力)流体,无论是靠近头部还是靠近身体,都可以检测行程终点。 用于工作流体的集成基座控制器支持该装置,具有用于在使用后倾倒外部控制器空气的快速排气,以及偏置盘,以在压力差的操作范围内提供精确的数字式阀芯定位。 头部可以通过滑环连接到身体,因此头部保持注册。 头部的悬臂部分可以吸收二次蠕变,并且使用专门的非反应性材料,没有金属,没有弹性体作为故障清洁系统来提供持续的弹簧加载。

    Hand held tool for inserting a cylindrical insert in an open end of a
tube
    3.
    发明授权
    Hand held tool for inserting a cylindrical insert in an open end of a tube 失效
    用于将圆柱形插入件插入管的开口端的手持工具

    公开(公告)号:US5375309A

    公开(公告)日:1994-12-27

    申请号:US94751

    申请日:1993-07-19

    申请人: Michael R. Dunn

    发明人: Michael R. Dunn

    IPC分类号: B25B27/10 F16L35/00

    CPC分类号: B25B27/10 Y10T29/5367

    摘要: A hand held tool for inserting a forward end of a cylindrical insert member into an open end of a relatively thick-walled plastic tube. The tool comprises a pistol grip having a hand engaged member that is squeezed by one's hand. A push shaft is positioned at the top end of the pistol grip, with the push shaft having a forward end that extends away from the pistol grip. The hand engaged member cooperates with a mechanism for moving the push shaft forward in longitudinal movement along the longitudinal axis of the push shaft when the hand engaged member is squeezed. A housing extends from the pistol grip around and along the push shaft, with a distal end of the housing extending beyond the forward end of the push shaft. An access opening is provided in the housing through which the forward end of the push shaft is accessible for positioning the cylindrical insert member in axial alignment with the longitudinal axis of the push shaft at the forward end of the push shaft. A gripping mechanism is provided at the distal end of the housing for gripping the open end of the plastic tube and holding the open end of the tube in axial alignment with the longitudinal axis of the push shaft. As the forward end of the push shaft moves forward, it engages the cylindrical insert member and forces the leading end of the cylindrical insert member into the open end of the plastic tube.

    摘要翻译: 一种用于将圆柱形插入构件的前端插入相对厚壁塑料管的开口端的手持工具。 该工具包括手枪式把手,其具有用手挤压的手接合构件。 推杆位于手枪把手的顶端,推杆具有远离手枪把手的前端。 当被接合构件被挤压时,手接合构件与用于沿着推动轴的纵向轴线沿纵向移动的推动轴一起移动的机构。 壳体从手柄周围并沿着推动轴延伸,壳体的远端延伸超过推动轴的前端。 在壳体中设有进入开口,推动轴的前端可通过该进入开口定位,以便在推动轴的前端将圆柱形插入件与推动轴的纵向轴线对准。 夹持机构设置在壳体的远端处,用于夹持塑料管的开口端并保持管的开口端与推动轴的纵向轴线对齐。 当推动轴的前端向前移动时,它与圆柱形插入件接合并迫使圆柱形插入件的前端进入塑料管的开口端。

    Reciprocating chemical pumps
    4.
    发明授权
    Reciprocating chemical pumps 失效
    往复式化学泵

    公开(公告)号:US5370507A

    公开(公告)日:1994-12-06

    申请号:US14823

    申请日:1993-01-25

    摘要: Chemical pumps are disclosed in which all parts wetted by the fluid being pumped are made of fluoroplastic material, with the pumps having check valves that include floating ball members and O-rings positioned adjacent to the floating ball members. The retainer area in which the O-ring is received has a diameter that is at least about 0.01 inch larger that the diameter of the O-ring so as to allow the O-ring to move slightly. The intake and discharge ports of the pumps comprise a bore extending into the body of the pump, with a threaded counterbore formed concentric with the bore to form a flat, annular surface between the bore and the counterbore at the inner end of the counterbore. A threaded fitting is received in the counterbore, and a seal is formed by compressing an O-ring against the annular surface at the inner end of the counterbore. The head of the pump is secured to the body thereof using spring type means that either (1) continuously applies a spring force against the head to force the head into sealing engagement with the body of the pump or (2) forms an expanding spring seal between the head and the body of the pump.

    摘要翻译: 公开了化学泵,其中由被泵送的流体润湿的所有部件由氟塑料材料制成,其中泵具有止回阀,该止回阀包括与浮球部件相邻定位的浮球部件和O形环。 其中容纳O形环的保持器区域的直径与O形环的直径相比至少大约0.01英寸,以便允许O形环稍微移动。 泵的进气口和排气口包括延伸到泵体内的孔,带有与孔同心的螺纹沉孔,以在沉孔的内端在孔和沉孔之间形成平坦的环形表面。 螺纹接头被容纳在沉孔中,并且通过将O形环压靠在沉孔内端处的环形表面上而形成密封。 泵的头部使用弹簧式装置固定到其主体上,其中(1)连续地向头部施加弹簧力以迫使头部与泵的主体密封接合,或者(2)形成膨胀弹簧密封件 在头部和泵体之间。

    Cable cutting and crimping
    5.
    发明授权
    Cable cutting and crimping 失效
    电缆切割和压接

    公开(公告)号:US4587732A

    公开(公告)日:1986-05-13

    申请号:US671400

    申请日:1984-11-16

    摘要: A novel hydraulic tool used to cut cables, rods, bars and the like or crimp various items such as cable connectors and which is operated manually and with ease by a single man. The improved cable cutting hydraulic tool comprises dual manually held handles which centrally receive and exhaust the operating pressurized hyraulic fluid, a safety trigger assembly which prevents the inadvertent closing of the cutting or crimping jaws, and an operating trigger assembly, a control valve which directs and redirects the flow of hydraulic fluid under pressure, and a piston cylinder assembly which relatively reciprocates to displace operating rods which in turn causes the cutting jaws to close and open by rotation about a pivot pin. This cable cutting and crimping tool is light weight and compact in comparison with other contemporary designs and is much easier to handle and control during use.

    摘要翻译: 一种新颖的液压工具,用于切割电缆,棒,杆等,或者压接诸如电缆连接器的各种物品,并且由单个人手动操作和轻松操作。 改进的电缆切割液压工具包括中央地接收和排出操作的加压液压流体的双手动手柄,用于防止切割或压接夹的无意闭合的安全触发器组件,以及操作触发器组件, 在压力下重新引导液压流体的流动;以及活塞气缸组件,其相对往复运动以移动操作杆,这又导致切割钳口关于枢轴销旋转而关闭和打开。 与其他现代设计相比,该电缆切割和压接工具重量轻且紧凑,使用时更容易处理和控制。

    Ultra-pure, non-reactive, elevated-temperature seal assembly
    6.
    发明授权
    Ultra-pure, non-reactive, elevated-temperature seal assembly 失效
    超纯,非反应性,高温密封组件

    公开(公告)号:US5971402A

    公开(公告)日:1999-10-26

    申请号:US961954

    申请日:1997-10-31

    IPC分类号: F16J15/10 F16J15/16

    CPC分类号: F16J15/106

    摘要: Sealing assemblies are illustrated for heaters, pumps, conduits, and the like for handling process fluids used in the semiconductor-processing industry. Clean, particle-free, nonreactive, non-trapping, ultra-pure, thermally tolerant, sealed systems are required to maintain process fluids with contaminant levels below parts per billion, or even trillion. A lip seal connects a tube, having a lip at each end, to a face of a creeping material. A creeping fluorocarbon sealing material may form the interface for reducing stress concentrations on the tube, and for providing a consistent reliable seal between the lip and the creeping face. A face seal between creeping faces may be effected by a creeping sealant there between. The faces may be loaded entirely by their own creeping structural materials. No flanges are required. In certain embodiments, retaining rings may be provided for preventing unrestrained creep of sealing assemblies. Heat soaking may accelerate primary creep and expanded fluorocarbon materials may provide creeping sealants having inherent dimensional stability in at least one dimension without relying on fillers or fibers of other materials.

    摘要翻译: 示出了用于处理半导体加工工业中使用的工艺流体的加热器,泵,导管等的密封组件。 需要清洁,无颗粒,非反应性,非捕获,超纯,耐热,密封的系统,以保持过程流体的污染物水平低于十亿分之几甚至万亿。 唇形密封件将每个端部具有唇缘的管连接到蠕变材料的表面。 爬行的碳氟化合物密封材料可以形成用于减小管上的应力集中的界面,并且用于在唇缘和爬行面之间提供一致的可靠的密封。 蠕变面之间的表面密封可以通过其间的蠕变密封剂来实现。 表面可以完全由其自身的爬行结构材料加载。 不需要法兰 在某些实施例中,可以提供保持环以防止密封组件的无限制蠕变。 热浸泡可能加速初级蠕变,并且扩展的碳氟化合物材料可以提供在至少一个维度上具有固有尺寸稳定性的蠕变密封剂,而不依赖于其它材料的填料或纤维。

    Hydraulic cable and rod cutting and crimping device
    7.
    发明授权
    Hydraulic cable and rod cutting and crimping device 失效
    液压电缆和棒切割和压接装置

    公开(公告)号:US4521963A

    公开(公告)日:1985-06-11

    申请号:US426014

    申请日:1982-09-28

    摘要: A novel hydraulic tool used to cut cables, rods, bars and the like or crimp various items such as cable connectors and which is operated manually and with ease by a single man. The improved cable cutting hydraulic tool comprises dual manually held handles which centrally receive and exhaust the operating pressurized hydraulic fluid, a safety trigger assembly which prevents the inadvertent closing of the cutting or crimping jaws, and an operating trigger assembly, a control valve which directs and redirects the flow of hydraulic fluid under pressure, and a piston cylinder assembly which relatively reciprocates to displace operating rods which in turn causes the cutting jaws to close and open by rotation about a pivot pin.

    摘要翻译: 一种新颖的液压工具,用于切割电缆,棒,杆等,或者压接诸如电缆连接器的各种物品,并且由单个人手动操作和轻松操作。 改进的电缆切割液压工具包括中央接收和排出操作的加压液压流体的双手动手柄,用于防止切割或压接钳口的无意闭合的安全触发器组件,以及操作触发器组件, 在压力下重新引导液压流体的流动;以及活塞气缸组件,其相对往复运动以移动操作杆,这又导致切割钳口关于枢轴销旋转而关闭和打开。