公开(公告)号：US06610242B1

公开(公告)日：2003-08-26

申请号：US09853765

申请日：2001-05-14

申请人： Malcolm Swanson ,  Ken L. Parris ,  Winston F. Budrow ,  Alan Smithies

发明人： Malcolm Swanson ,  Ken L. Parris ,  Winston F. Budrow ,  Alan Smithies

IPC分类号： B29C5500

CPC分类号： B29C43/22 ,  B01D39/1623

摘要： A mat of polymeric fibers is treated to alter a filtration surface by the application of heat and pressure. The filtration surface is heated to a temperature sufficient to soften the fibers and pressure is applied to compact the softened fibers in order to reduce the average pore size on or at the filtration surface.

摘要翻译： 通过施加热和压力来处理聚合物纤维垫以改变过滤表面。 将过滤表面加热到足以软化纤维的温度，并施加压力以压实软化的纤维，以便减小过滤表面上或过滤表面上的平均孔径。

公开(公告)号：US07985275B2

公开(公告)日：2011-07-26

申请号：US11537758

申请日：2006-10-02

申请人： Alan Smithies

发明人： Alan Smithies

IPC分类号： B01D39/14

CPC分类号： B01D39/1623 ,  B01D2239/0208 ,  B01D2239/0216 ,  B01D2239/064 ,  Y10S55/05

摘要： A high temperature filter medium for use in a filtering operation comprising, a nonwoven fabric substrate having a physical structure and comprising a plurality of polymeric fibers, wherein at least a portion of the plurality of polymeric fibers comprise a base polymer and at least a portion of the plurality of polymeric fibers comprise a secondary polymer, and wherein the base polymer, the secondary polymer, or both bond at least a portion of the polymeric fibers together, the nonwoven fabric substrate being capable of retaining the physical structure at a filtering temperature greater than 135° C. A method for making a filter medium being capable of retaining the physical structure at a filtering temperature greater than 135° C.

摘要翻译： 一种用于过滤操作的高温过滤介质，包括具有物理结构并包含多个聚合物纤维的无纺布基材，其中所述多个聚合物纤维的至少一部分包含基础聚合物和至少一部分 所述多个聚合物纤维包括第二聚合物，并且其中所述基础聚合物，所述次级聚合物或两者将所述聚合物纤维的至少一部分粘合在一起，所述非织造织物基材能够将所述物理结构保持在大于 135℃。一种制备过滤介质的方法，该过滤介质能够将物理结构保持在大于135℃的过滤温度。

公开(公告)号：US20110146493A1

公开(公告)日：2011-06-23

申请号：US12644524

申请日：2009-12-22

申请人： Gopakumar Thottupurathu ,  Alan Smithies

发明人： Gopakumar Thottupurathu ,  Alan Smithies

IPC分类号： B01D69/10 ,  B01D65/02 ,  B01D69/12

CPC分类号： B01D67/0079 ,  B01D39/1692 ,  B01D46/0068 ,  B01D46/02 ,  B01D2239/0407 ,  B01D2239/0613 ,  B01D2239/0618 ,  B01D2239/0654

摘要： A filter assembly for use in a baghouse having a tubesheet with an opening therethrough. The filter assembly comprises a cage connectible with the tubesheet adjacent the opening. The cage includes wire members. A filter bag is supported by the wire members of the cage to maintain the filter bag in an operational condition and in fluid communication with the opening in the tubesheet. A reverse pulse jet cleaning system positioned to direct a cleaning pulse through the opening and into the filter bag for a plurality of cleaning cycles. The filter bag is made from laminated filter media. The laminated filter media includes a fabric substrate. The laminated filter media also includes a membrane laminated to the fabric substrate, the membrane comprising a single layer of expanded material of co-coagulated polytetrafluoroethylene with titanium dioxide particles. The titanium dioxide particles are present in the co-coagulated polytetrafluoroethylene in a range of about 0.5 wt % to 4.5 wt %.

摘要翻译： 一种用于袋式除尘器的过滤器组件，其具有穿过其中的开口的管板。 过滤器组件包括可与邻近开口的管板连接的保持架。 笼子包括线材。 过滤袋由保持架的线构件支撑以将过滤袋保持在操作状态并与管板中的开口流体连通。 反向脉冲喷射清洁系统，定位成将清洁脉冲引导通过开口并进入过滤袋中以进行多个清洁循环。 过滤袋由层压过滤介质制成。 层压过滤介质包括织物基底。 层压过滤介质还包括层压到织物基底上的膜，该膜包括具有二氧化钛颗粒的共同凝聚的聚四氟乙烯的单层发泡材料。 二氧化钛颗粒在约0.5重量％至4.5重量％的范围内存在于共凝聚聚四氟乙烯中。

公开(公告)号：US20100218471A1

公开(公告)日：2010-09-02

申请号：US12394320

申请日：2009-02-27

申请人： Alan Smithies ,  Robert Henry Devine, II ,  Jack T. Clements

发明人： Alan Smithies ,  Robert Henry Devine, II ,  Jack T. Clements

IPC分类号： B01D50/00 ,  H05B7/00

CPC分类号： B01D39/1623 ,  B01D2239/0216 ,  B01D2239/025 ,  B01D2239/065

摘要： A composite filter media structure and an associated method of making are provided. The structure includes a base substrate that includes a nonwoven fabric substrate formed from a plurality of bicomponent synthetic fibers using a spunbond process. The composite filter media structure includes a nanofiber layer deposited on one side of the base substrate by an electro-blown spinning process. In one aspect, the base substrate and the nanofiber layer are configured to provide at least an 85% filtration efficiency measured in accordance with an ASHRAE 52.2-1999 test method. In another aspect, the nanofiber layer has a basis weight of about 2.0 g/m2 to about 3.0 g/m2.

摘要翻译： 提供了复合过滤器介质结构和相关联的制造方法。 该结构包括基底，其包括使用纺粘法由多个双组分合成纤维形成的无纺布基材。 复合过滤器介质结构包括通过电吹纺工艺沉积在基底衬底的一侧上的纳米纤维层。 在一个方面，基底和纳米纤维层被配置成提供根据ASHRAE 52.2-1999测试方法测量的至少85％的过滤效率。 在另一方面，纳米纤维层的基重为约2.0g / m 2至约3.0g / m 2。

公开(公告)号：US20090071114A1

公开(公告)日：2009-03-19

申请号：US12275751

申请日：2008-11-21

申请人： Alan Smithies ,  Jack Clements ,  Cynthia Polizzi

发明人： Alan Smithies ,  Jack Clements ,  Cynthia Polizzi

IPC分类号： B01D46/52

CPC分类号： B01D39/163 ,  B01D46/0021 ,  B01D46/2403 ,  B01D46/522 ,  B01D2275/201

摘要： A gas turbine air inlet filter element is described. The filter element includes a first end cap, a second end cap, and a filter media. The filter media includes a nonwoven synthetic fabric formed from a plurality of bicomponent synthetic fibers with a spunbond process, and having a bond area pattern that includes a plurality of substantially parallel discontinuous lines of bond area. The filter media has a minimum filtration efficiency of about 50%, measured in accordance with ASHRAE 52.2-1999 test procedure. The filter media also includes an embossing pattern or a plurality of corrugations. The embossing pattern or the corrugations are formed using opposing rollers at a temperature of about 90° C. to about 140° C.

摘要翻译： 描述了燃气轮机空气入口过滤元件。 过滤元件包括第一端盖，第二端盖和过滤介质。 过滤介质包括由具有纺粘工艺的多个双组分合成纤维形成的非织造合成织物，并且具有包括多个基本上平行的不连续的粘合区域线的粘结区域图案。 根据ASHRAE 52.2-1999测试程序测量，过滤介质的最小过滤效率约为50％。 过滤介质还包括压花图案或多个波纹。 在约90℃至约140℃的温度下使用相对的辊形成压花图案或波纹。

公开(公告)号：US20080315465A1

公开(公告)日：2008-12-25

申请号：US12201543

申请日：2008-08-29

申请人： Alan Smithies ,  Jack T. Clements ,  Jason Mei

发明人： Alan Smithies ,  Jack T. Clements ,  Jason Mei

IPC分类号： B29C59/04 ,  B29C47/06 ,  D01D5/00

CPC分类号： B01D39/1623 ,  B01D46/0001 ,  B01D46/521 ,  B01D46/546 ,  B01D63/065 ,  B01D63/067 ,  B01D63/10 ,  B01D69/02 ,  B01D69/10 ,  B01D71/06 ,  B01D2239/0216 ,  B01D2239/025 ,  B01D2239/065 ,  B01D2275/10 ,  B01D2325/20 ,  B01D2325/32 ,  B29C53/24 ,  B29K2105/162 ,  B29L2031/14 ,  D01D5/0069 ,  D01D5/0084 ,  D04H1/4374 ,  D04H1/559 ,  D04H1/728 ,  D04H3/147 ,  D04H13/002

摘要： A method of making a composite filter media includes, in an exemplary aspect, forming a nonwoven fabric substrate that includes a plurality of bicomponent synthetic fibers by a spunbond process, calendering the nonwoven fabric substrate with embossing calender rolls to form a bond area pattern having a plurality of substantially parallel discontinuous lines of bond area to bond the synthetic bicomponent fibers together to form a nonwoven fabric. The nonwoven fabric having a minimum filtration efficiency of about 50%, measured in accordance with ASHRAE 52.2-1999 test procedure. The method also includes applying a nanofiber layer by electro-blown spinning a polymer solution to form a plurality of nanofibers on at least one side of the nonwoven fabric. The composite filter media having a filtration efficiency of at least about 75%, measured in accordance with ASHRAE 52.2-1999 test procedure. The method further includes corrugating the composite filter media using opposing corrugating rollers at a temperature of about 90° C. to about 140° C.

摘要翻译： 制造复合过滤介质的方法在一个示例性方面包括通过纺粘方法形成包括多个双组分合成纤维的无纺布基材，用压花辊压辊压制非织造织物基材以形成具有 多个基本上平行的不连续的粘合区域线，以将合成的双组分纤维粘合在一起以形成非织造织物。 根据ASHRAE 52.2-1999测试程序测量的具有约50％的最小过滤效率的无纺织物。 该方法还包括通过电纺丝聚合物溶液来应用纳米纤维层，以在无纺布的至少一侧上形成多个纳米纤维。 根据ASHRAE 52.2-1999测试程序测量的具有至少约75％的过滤效率的复合过滤介质。 该方法还包括在约90℃至约140℃的温度下使用相对的波纹辊波纹复合过滤介质。

公开(公告)号：US20080072553A1

公开(公告)日：2008-03-27

申请号：US11534733

申请日：2006-09-25

申请人： Alan Smithies ,  Jason Mei

发明人： Alan Smithies ,  Jason Mei

IPC分类号： B01D41/00

CPC分类号： B01D29/111 ,  B01D29/21 ,  B01D46/0001 ,  B01D46/0068 ,  B01D46/2414 ,  B01D46/523

摘要： A method of fabricating a filter cartridge includes providing filtration media formed into a plurality of pleats, wherein the filtration media have a substantially tubular configuration with a pre-determined circumferential spacing between each of the plurality of pleats. The filter cartridge is configured to remove particulates from a particulate-laden fluid stream flowing in a direction through the filter cartridge. The filter cartridge is also configured to be periodically subjected to a cleaning fluid stream flowing in a substantially opposite direction of the particulate-laden fluid stream. The method also includes coupling at least one retention device to the filtration media, wherein the retention device is fabricated from a melt-extrudable polymer material that is configured to facilitate extending a life expectancy of the filter cartridge when operationally exposed to operating temperatures ranging from 135° C. (275° F.) to 204° C. (400° F.).

摘要翻译： 制造滤筒的方法包括提供形成为多个褶皱的过滤介质，其中所述过滤介质具有基本上管状的构造，其中所述多个褶之间具有预定的周向间隔。 滤筒被构造成从沿着穿过滤筒的方向流动的含颗粒的流体流中除去微粒。 过滤器滤芯还构造成周期性地受到沿着含颗粒的流体流的基本相反方向流动的清洁流体流。 该方法还包括将至少一个保持装置耦合到过滤介质，其中保持装置由可熔融挤出的聚合物材料制成，其可被配置为有助于在操作性地暴露于135℃的操作温度时延长滤筒的预期寿命 °C（275°F）至204°C（400°F）。

公开(公告)号：US20070084786A1

公开(公告)日：2007-04-19

申请号：US11250726

申请日：2005-10-14

申请人： Alan Smithies

发明人： Alan Smithies

IPC分类号： B01D29/00

CPC分类号： B01D39/1623 ,  B01D39/02 ,  B01D39/18 ,  B01D2239/0258 ,  B01D2239/065

摘要： A composite filter medium includes a corrogated substrate of nonwoven porous synthetic material, cellulose, or combinations thereof. The filter medium also includes a layer of bulk meltspun nanofibers anchored or bonded to the substrate. At least about 85% of the fine fibers have diameters less than 1000 nanometers in diameter.

摘要翻译： 复合过滤介质包括非织造多孔合成材料的可旋转衬底，纤维素或其组合。 过滤介质还包括锚定或结合到基底的大量熔融纳米纤维层。 至少约85％的细纤维的直径直径小于1000纳米。

公开(公告)号：US20070075014A1

公开(公告)日：2007-04-05

申请号：US11241430

申请日：2005-09-30

申请人： Karmin Olson ,  Alan Smithies

发明人： Karmin Olson ,  Alan Smithies

IPC分类号： B01D71/26

CPC分类号： B01D69/12 ,  B01D67/0088 ,  B01D69/02 ,  B01D2323/02 ,  B01D2323/08 ,  B01D2323/12 ,  B01D2323/42 ,  B01D2325/36

摘要： A composite article includes a base material and a porous membrane laminated with the base material. The porous membrane has hydrophobic properties and includes at least one of expanded polytetrafluoroethylene, woven polytetrafluoroethylene, and non woven polytetrafluoroethylene. A coating layer is formed on at least a portion of the porous membrane. The coating layer has hydrophilic properties and includes at least one of an organofunctional siloxane and a polyether urethane polymer.

摘要翻译： 复合制品包括基材和层压有基材的多孔膜。 多孔膜具有疏水性，并且包括发泡聚四氟乙烯，编织聚四氟乙烯和无纺聚四氟乙烯中的至少一种。 在多孔膜的至少一部分上形成涂层。 涂层具有亲水性，并且包括有机官能硅氧烷和聚醚聚氨酯聚合物中的至少一种。

公开(公告)号：US20060252333A1

公开(公告)日：2006-11-09

申请号：US11123076

申请日：2005-05-06

申请人： Clare King ,  James Doehla ,  Alan Smithies

发明人： Clare King ,  James Doehla ,  Alan Smithies

IPC分类号： B32B5/26 ,  B32B27/12 ,  B32B27/32 ,  B32B27/00

CPC分类号： B32B5/02 ,  B32B3/08 ,  B32B5/022 ,  B32B5/18 ,  B32B27/12 ,  B32B27/16 ,  B32B27/322 ,  B32B2255/02 ,  B32B2255/205 ,  B32B2262/0261 ,  B32B2262/0276 ,  B32B2307/714 ,  B32B2307/724 ,  B32B2307/726 ,  B32B2307/728 ,  B32B2457/00 ,  B32B2571/00 ,  B32B2605/00 ,  Y10T428/31598 ,  Y10T428/31681 ,  Y10T442/659 ,  Y10T442/674 ,  Y10T442/677

摘要： A protective cover material includes at least two layers including a textile layer with an air permeable, moisture-vapor-transmissive, expanded polytetrafluoroethylene membrane attached to the textile layer, the membrane treated to render it oleophobic.

摘要翻译： 保护性覆盖材料包括至少两层，包括具有连接到织物层的透气性，水蒸汽透过性，膨胀聚四氟乙烯膜的织物层，所述膜被处理以使其疏油。