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公开(公告)号：US09816620B2
公开(公告)日：2017-11-14
申请号：US14547588
申请日：2014-11-19
发明人： Paul Kennedy
CPC分类号： F16K1/226 , F16J15/181 , F16K1/2057 , F16K1/2263 , F16K1/2265 , F16K1/2266
摘要： A butterfly valve seal arrangement in a butterfly valve having a cylindrical flow channel with a wall includes a seal flange, an elastomeric seal, a seal channel, and an annular seal retaining ring. The seal flange extends into the cylindrical flow channel from the wall of the cylindrical flow channel. The seal channel is recessed into the wall of the cylindrical flow channel adjacent to the seal flange. And the annular seal retaining ring includes tabs extending into the seal channel which hold the annular seal retaining ring in the cylindrical flow channel. An elastomeric seal is held in compression in the seal channel and against the seal flange by the annular seal retaining ring, and extends into the cylindrical flow channel forming a seal surface held in compression against a vane seat of a vane in a position perpendicular to a direction of flow.
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公开(公告)号：US09328825B2
公开(公告)日：2016-05-03
申请号：US14014228
申请日：2013-08-29
发明人： Christopher E. Tones
CPC分类号： F16J15/24 , B29D99/0053 , F16J15/181
摘要： An improved shaft assembly with a rigid component for facilitating sealing is disclosed. The shaft assembly includes a housing, a cap connected to the housing, a shaft operably positioned in the housing, first and second sealing elements, and the rigid component fixedly attached to the first sealing component. The first and second sealing components are in contact with the housing and the shaft. The rigid component is in contact with the first sealing component and the cap, so as to prevent the first sealing component from extruding outside the cap when the shaft reciprocally moves relative to the housing.
摘要翻译： 公开了一种具有用于促进密封的刚性部件的改进的轴组件。 轴组件包括壳体，连接到壳体的盖，可操作地定位在壳体中的轴，第一和第二密封元件以及固定地附接到第一密封部件的刚性部件。 第一和第二密封部件与壳体和轴接触。 刚性部件与第一密封部件和盖接触，以便当轴相对于壳体往复移动时，防止第一密封部件挤出到帽外部。
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公开(公告)号：US20150204204A1
公开(公告)日：2015-07-23
申请号：US14384504
申请日：2013-03-11
申请人： NOK CORPORATION
发明人： Kazunari Seki , Koji Watanabe , Wataru Tokunaga , Yuki Takao , Fangman Xu , Hirotaka Mizuta , Keisuke Nakashima , Takuya Igawa , Yusuke Yoshida , Hideya Watanabe , Yosuke Kondo
CPC分类号： F01D11/003 , F16J9/20 , F16J15/164 , F16J15/18 , F16J15/181 , F16J15/3208 , F16J15/3244 , F16J15/442
摘要： The sealing device includes: an outer peripheral ring 2000 that is in contact with a side wall surface of an annular groove 4100 at a low pressure side (L), and slides with respect to an inner peripheral surface of a shaft hole in a housing 5000 through which a shaft 4000 is inserted. An inner peripheral ring 3000 made of a rubber-like elastic body that is in contact with an inner peripheral surface of the outer peripheral ring 2000 and a groove bottom surface of the annular groove 4100, respectively. The outer peripheral ring 2000 is formed on its outer peripheral surface with a concave portion 2220 which extends from an end of a high pressure side (H) to a position which does not arrive at an end of a low pressure side, so as to introduce fluid thereinto from the high pressure side.
摘要翻译： 密封装置包括：外周环2000，其与低压侧（L）的环状槽4100的侧壁面接触，并且相对于壳体5000中的轴孔的内周面滑动 轴4000插入其中。 由与外周环2000的内周面接触的橡胶状弹性体和环状槽4100的槽底面分别形成的内周环3000。 外周环2000在其外周面形成有从高压侧（H）的端部延伸到未到达低压侧的端部的位置的凹部2220，以便引入 来自高压侧的流体。
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公开(公告)号：US20150054224A1
公开(公告)日：2015-02-26
申请号：US14459760
申请日：2014-08-14
发明人： Hiroki Hayashi , Takashi Kawasaki , Koichi Kataoka
CPC分类号： F16J15/22 , F16J15/181
摘要： A gland packing having required characteristics is obtained by finding relationships between required characteristics and the value of the limiting oxygen index, and adequately defining the level of the required characteristics. The gland packing is configured by twisting or braiding a single or plurality of yarns that are formed by twisting fibers having a limiting oxygen index (LOI) of 21 to 30, preferably 22 to 26. The fibers contain fibers in which a flat ratio is defined as 1.1 to 2, the flat ratio being a value obtained by dividing the maximum value of an interval between two parallel straight line in a state where a section of each of the fibers is interposed between the straight lines, by the minimum value. The fibers contain fibers in each of which a sectional shape has one or more recesses 1 having a depth h of 0.4 μm or more.
摘要翻译： 通过找到所需特性与极限氧指数的值之间的关系，并适当地限定所需特性的水平，获得具有所需特性的压盖填料。 压盖填料通过扭转或编织由扭转具有21-30，优选22-26的极限氧指数（LOI）的纤维形成的单根或多根纱线构成。纤维包含其中定义了扁平比例的纤维 作为1.1〜2，平坦比是通过将两根平行直线之间的间隔的最大值除以最小值而得到的值。 纤维含有纤维，其中每个纤维的截面形状具有一个或多个深度h为0.4μm或更大的凹槽1。
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公开(公告)号：US20080136122A1
公开(公告)日：2008-06-12
申请号：US12006261
申请日：2007-12-31
申请人： Philippe Gambier
发明人： Philippe Gambier
IPC分类号： F16J15/32
CPC分类号： E21B33/038 , E21B2033/005 , F16J15/108 , F16J15/181 , F16J15/20
摘要： A preload is applied to a thermoplastic seal to induce deformation of the seal. As the seal undergoes deformation (e.g., cold flow), it completes the seal. Thermoplastics such as PEEK, PEK, PPS, PEKEKK, and PET are examples of materials that may be used in the seal. It is emphasized that this abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).
摘要翻译： 对热塑性密封件施加预载以引起密封件的变形。 当密封件经受变形（例如，冷流）时，其完成密封。 热塑性塑料如PEEK，PEK，PPS，PEKEKK和PET是可用于密封件的材料的实例。 要强调的是，该摘要被提供以符合要求抽象的规则，这将允许搜索者或其他读者快速确定技术公开的主题。 提交它的理解是，它不会用于解释或限制权利要求的范围或含义。 37 CFR 1.72（b）。
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公开(公告)号：US20080029264A1
公开(公告)日：2008-02-07
申请号：US11842728
申请日：2007-08-21
申请人： Ronald Williams , Edward Welch
发明人： Ronald Williams , Edward Welch
IPC分类号： E21B33/12
CPC分类号： E21B33/1208 , E21B2033/005 , F16J15/181 , F16J15/3236
摘要： A seal for use in temperature and pressure extremes is disclosed. It features springs internal to the sealing members and the ability to seal against pressure differentials from opposed directions. A spacer ring prevents contact from oppositely oriented seal components and at the same time prevents spring and seal collapse under extreme loading conditions. The seal assembly is self-centering in a downhole seal bore and can be used on tools delivered on wireline, where the insertion forces available are at a minimum. The seal can withstand pressure differentials in excess of 13,500 PSI and temperatures above 350 degrees Fahrenheit.
摘要翻译： 公开了用于温度和压力极限的密封件。 它具有密封件内部的弹簧以及从相对的方向密封压差的能力。 间隔环防止相对定向的密封部件接触，同时防止在极端负载条件下的弹簧和密封件塌陷。 密封组件在井下密封孔中是自定心的，并且可以用于在电缆上传送的工具上，其中可用的插入力是最小的。 密封件可以承受超过13,500 PSI和高于350华氏度的温度的压力差。
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公开(公告)号：US06126170A
公开(公告)日：2000-10-03
申请号：US9317
申请日：1998-01-20
申请人： Dennis L. Weehunt
发明人： Dennis L. Weehunt
CPC分类号： F16J15/181 , F16J15/20
摘要： The present invention provides an improved seal cage which is useful, for example, for injectable sealing compound systems. In preferred embodiments the dimensions of the seal cage can be adjusted for use of the seal cage with shafts of different diameters and stuffing boxes of varying depths.
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公开(公告)号：US4575101A
公开(公告)日：1986-03-11
申请号：US650318
申请日：1984-09-12
申请人： Larry D. Hopkins
发明人： Larry D. Hopkins
CPC分类号： F16J15/181 , F16K41/02 , Y10T137/44
摘要： A fitting for safe on-stream addition of valve packing which comprises a housing enclosing a first and second chamber each chamber associated with a means for ejecting valve packing, the first chamber being accessible from the valve when the fitting is mounted and also accessible from the second chamber through sealable portals, and the second chamber having a sealable entrance to receive valve packing, thereby enabling safe addition of valve packing to a valve through the valve gland by: sealing the first chamber, adding valve packing to the second chamber and sealing the second chamber, opening the access portal between the chambers and ejecting the valve packing from the second chamber into the first chamber, sealing the access portal between the chambers and opening the portal between the first chamber and the valve, and ejecting the valve packing from the first chamber into the valve.
摘要翻译： 一种用于安全地加装阀芯的装置，其包括一个壳体，该壳体包围第一和第二腔室，每个腔室与用于喷射阀门填料的装置相关联，当安装该配件时，该第一腔室可从阀门接近并且也可从 第二室通过可密封的入口，并且第二室具有可密封的入口以接收阀包装，从而通过以下方式安全地添加阀包装到阀：通过密封第一室，向第二室加入阀密封并密封 第二室，打开室之间的进入入口并将阀填料从第二室排出到第一室中，密封室之间的进入入口并打开第一室和阀之间的入口，并将阀填料从 第一室进入阀门。
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公开(公告)号：US4177998A
公开(公告)日：1979-12-11
申请号：US937683
申请日：1978-08-25
CPC分类号： F16J15/40 , F16J15/181 , F16K41/003
摘要： A packing assembly for a valve shaft or stem (8) consisting of inner and outer telescoping expander sleeves or rings (44, 46) slidably received intermediately in a stuffing box (32) between two groups of elastomeric sealing rings (F, G). Semi-fluid plastic sealing material is injected (60) between the expander rings to move them apart and thereby axially compress and radially expand the seal rings into sealing engagement with the stem or shaft and box wall. Portions of the plastic material pass through radial holes in the inner expander ring to form secondary seals within and about these rings.
摘要翻译： 一种用于阀轴或杆（8）的包装组件，其由内部和外部伸缩式膨胀机套筒（44,46）组成，其可滑动地容纳在两组弹性密封环（F，G）之间的填料箱（32）中。 半流体塑料密封材料在膨胀机环之间注入（60），使它们分开，从而轴向压缩和径向扩张密封环，使之与阀杆或轴和箱壁密封接合。 塑料材料的一部分穿过内部膨胀环中的径向孔，在这些环内和周围形成二次密封。
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公开(公告)号：US3876213A
公开(公告)日：1975-04-08
申请号：US41426173
申请日：1973-11-09
IPC分类号： F16J15/18 , F16L55/175
CPC分类号： F16L55/175 , F16J15/181 , Y10S277/904
摘要： A remotely chargeable stuffing box adapted for below ground or other inaccessible installations includes telescopically arranged inner and outer members; the outer member being formed with a pair of axially spaced, annular, inwardly opening chambers prepacked with a semi-plastic packing composition axially confined within each chamber by axially spaced annular sealing rings. An annular rib, which serves as a common boundary for the chambers is formed with an annular inwardly opening groove into which is introduced a semi-liquid packing composition adapted to permeate and fill any leakage voids or fissures occurring in the semiplastic packing composition and its associated sealing rings adjacent the surface of the inner member. As required, the semiliquid packing composition may be replenished through one or more charging lines having inlets enclosed within a service box arranged adjacent ground level or other accessible point.
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