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    • 4. 发明授权
    • Porous fluoropolymer alloy and process of manufacture
    • 多孔含氟聚合物合金及其制造工艺
    • US4973609A
    • 1990-11-27
    • US272549
    • 1988-11-17
    • Ronnie Browne
    • Ronnie Browne
    • B29C47/00B29C55/00C08L27/12C08L27/18
    • C08L27/12B29C47/0004B29C47/0023B29C55/005C08L27/18B29K2027/18C08L2205/02
    • A porous fluoropolymer alloy material and method of fabrication is provided. The alloy material is fabricated by forming a compressed extrusion billet from two or more fluoropolymer resins capable of being stretched after extrusion and having different stretch characteristics. The fluoropolymer alloy billet is then extruded, stretched and sintered. The resulting material has a microstructure of large nodes interconnected by fibrils all oriented in the direction of stretch and has a higher tensile strength than produceable from previous porous fluoropolymer materials. Also, the resulting material can be made at lower stretch rates and at higher stretch ratios than previously possible without degradation of the material's strength. In one embodiment the resulting product is a self-supporting, tunable asymmetric porous fluoropolymer alloy material having a microstructure comprised of relatively small nodes, short fibrils and small pore size on one surface and relatively large nodes, long fibrils and large pore size on the opposite surface. The microstructure of the material gradually changes from the microstructure of the one surface to the microstructure of the opposite surface through the cross-section of the material's thickness, and all of the fibrils throughout the material are oriented in the direction of stretch.
    • 提供一种多孔含氟聚合物合金材料及其制造方法。 合金材料通过从两种或更多种能够在挤出后拉伸并具有不同拉伸特性的含氟聚合物树脂形成压缩挤出坯料来制造。 然后将含氟聚合物合金坯料挤出,拉伸和烧结。 所得材料具有通过原纤维互相连接的大节点的微观结构,所述原纤维全部沿拉伸方向定向,并且具有比以前的多孔含氟聚合物材料可生产的更高的拉伸强度。 此外,所得到的材料可以以比先前可能的更低的拉伸速率和更高的拉伸比制成,而不会降低材料的强度。 在一个实施方案中,所得产物是自支撑的可调谐不对称多孔氟聚合物合金材料,其具有由相对较小的节点,短原纤维和一个表面上的小孔径以及相对较大的节点,较长的原纤维和较大的孔径组成的组织 表面。 材料的微观结构通过材料厚度的横截面从相对表面的微结构逐渐变化到相对表面的微观结构,并且整个材料中的所有原纤维沿拉伸方向取向。
    • 5. 发明授权
    • Filter cartridge having a tunable asymmetric fluoropolymer alloy filter
membrane
    • 滤芯具有可调谐的不对称含氟聚合物合金滤膜
    • US4889626A
    • 1989-12-26
    • US272738
    • 1988-11-17
    • Ronnie Browne
    • Ronnie Browne
    • B01D61/22B01D63/06B01D69/02B01D71/36
    • B01D71/36B01D61/22B01D63/06B01D69/02
    • A filter cartridge having a tubular, self-supporting, tunable, asymmetric, fluoropolymer alloy filter membrane is provided. Within a sealed cartridge assembly, the tubular filter membrane is connected at opposite ends to inlet and outlet tubes which pass through opposite ends of the cartridge assembly. A guide attached to the end of the inlet tube within the sealed cartridge assembly plugs the end of the inlet tube within the sealed cartridge assembly and provides a filter medium passage from the inside of the inlet tube to the outside of the tubular filter membrane. The outlet tube provides a filter medium passage from the inside of the tubular filter membrane. The input and output tubes are slideably disposed in the ends of the cartridge assembly such that the axial length and therefore the porosity of tubular filter membrane can be adjusted over a range.
    • 提供了一种具有管状,自支撑,可调谐,不对称,含氟聚合物合金滤膜的滤芯。 在密封的盒式组件中,管状过滤膜在相对的端部连接到通过盒组件的相对端的入口和出口管。 连接到密封的盒组件内的入口管端部的导向件将入口管的端部塞入密封的筒组件中,并且提供从入口管的内部到管状过滤膜的外部的过滤介质通道。 出口管提供从管状过滤膜的内部的过滤介质通道。 输入和输出管可滑动地设置在盒组件的端部中,使得可以在一定范围内调整管状过滤膜的轴向长度,从而调整管状过滤膜的孔隙率。
    • 6. 发明申请
    • Sanitary diaphragm valve
    • US20060081807A1
    • 2006-04-20
    • US11294061
    • 2005-12-05
    • Ronnie BrowneDavid Kerg
    • Ronnie BrowneDavid Kerg
    • F16K7/14
    • F16K7/12F16K7/16F16K31/122F16K41/12Y10T137/6253
    • A sanitary diaphragm valve is provided that includes a generally dome shaped diaphragm having a central boss that can be connected to or driven by a valve actuator. The diaphragm includes an outer peripheral edge and a relatively thin web portion that connects the boss to the outer edge. In one embodiment, the web portion is arcuate or dome shaped. The thinner web portion permits the diaphragm to have an extended cycle life and to permit the valve to operate at higher fluid pressures. The thin web may be defined by two different contoured surfaces, one convex and the other concave, such as formed by two radiuses. A valve body is provided that includes a bowl shaped valve cavity. This valve cavity includes an outer vertical edge to permit more thorough cleaning and to eliminate entrapment areas. The valve assembly provides support surfaces for the diaphragm that reduces stress on the diaphragm particularly at higher operating pressures. A deep bowl embodiment is provided in which the valve cavity is defined by a spherical and preferably a hemispherical surface with the cavity diameter being about the same as the diaphragm diameter. The diaphragm for the deep bowl design has a stem tip that seals one of the valve ports radially outward from the port. The port may include a chamfered valve seat adjacent the port, and the port may be formed by a conical bore.
    • 7. 发明授权
    • Compact manifold valve
    • 紧凑型歧管阀
    • US4930538A
    • 1990-06-05
    • US298106
    • 1989-01-17
    • Ronnie Browne
    • Ronnie Browne
    • F16K27/02
    • F16K27/0263Y10T137/5109Y10T137/87684
    • A compact manifold valve for use in gas flow systems includes a manifold body, first and second cartridge holders, first and second operating valves and an outlet port. The manifold body includes valve turrets for mounting the first and second operating valves. Different valves types such as externally pressurized, normally closed bellows or diaphragm valves, externally pressurized, normally open bellows or diaphragm valves, double acting bellows or diaphragm valves, manually operated valves and/or toggle operated valves may be readily interchanged in the manifold valve to accommodate different applications in the gas flow system. The manifold body also includes first and second valve chambers, first and second cartridge ports, and multiple fluid flow pathways fluidically interconnecting the valve chambers, cartridge ports and outlet port. The manifold valve further includes first and second cartridge holders which are configured to be readily mounted in and removed from the manifold body. The cartridge holders are configured for internal seating of filter and/or check valve cartridges depending upon the particular application. The check valve cartridge is configured for reversible seating within the cartridge holder so that, depending upon the particular application, fluid backflow into or out of the manifold valve may be precluded.
    • 用于气体流动系统的紧凑型歧管阀包括歧管体,第一和第二药筒保持器,第一和第二操作阀以及出口。 歧管主体包括用于安装第一和第二操作阀的阀转塔。 不同的阀类型,例如外部加压,常闭波纹管或隔膜阀,外部加压,常开波纹管或隔膜阀,双作用波纹管或隔膜阀,手动操作的阀和/或肘节式操作的阀可以容易地在歧管阀中互换 适应气流系统中的不同应用。 歧管主体还包括第一和第二阀室,第一和第二药筒端口以及流体地互连阀室,药筒端口和出口的多个流体流动路径。 歧管阀还包括第一和第二药筒保持器,其构造成容易地安装在歧管主体中和从歧管主体移除。 盒保持器被配置为根据具体应用来内部地安置过滤器和/或止回阀筒。 止回阀筒被配置为在筒保持器内可逆地就位,使得根据具体应用,歧管阀的流体回流可能被排除。