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1. 发明授权

US08333826B2 Pleatable PTFE filter media with ePTFE membrane 失效
标题翻译：具有ePTFE膜的可折叠PTFE过滤介质
公开(公告)号：US08333826B2
公开(公告)日：2012-12-18
申请号：US12703263
申请日：2010-02-10
申请人： Alan Smithies , Karmin Lorraine Olson
发明人： Alan Smithies , Karmin Lorraine Olson
IPC分类号： B01D53/22
CPC分类号： B01D39/1692 , B01D46/2407 , B01D46/521 , B01D46/543 , B01D2239/0654
摘要： A filter media including a scrim, a polytetrafluoroethylene (PTFE) media substrate upon the scrim, and a layer of expanded polytetrafluoroethylene (ePTFE) membrane adhered to the PTFE media substrate on the scrim. The filter media is pleatable and has air permeability of approximately 3-10 cubic feet/min at a 0.5 inch H2O pressure drop and an original filtration efficiency greater than 99.0% when tested in an unused, unpleated condition with a 0.3 micron challenge aerosol at a flow rate of 10.5 feet/min and when tested after a cleanable dust performance test according to ASTM D6830.
摘要翻译：在稀松布上包括稀松布，聚四氟乙烯（PTFE）介质基材的过滤介质和在稀松布上粘附到PTFE介质基材上的发泡聚四氟乙烯（ePTFE）膜层。过滤介质是可打褶的，并且在0.5英寸H 2 O压降下具有大约3-10立方英尺/分钟的透气度，并且当在未使用的未充气状态下测试时，其初始过滤效率大于99.0％，其中0.3微米挑战气溶胶在流量为10.5英尺/分钟，并在根据ASTM D6830进行可清洁的粉尘性能试验后进行测试。

2. 发明申请

US20110139008A1 PTFE PLEATED FILTER ELEMENT 失效
公开(公告)号：US20110139008A1
公开(公告)日：2011-06-16
申请号：US12639509
申请日：2009-12-16
申请人： Alan Smithies , Karmin Lorraine Olson
发明人： Alan Smithies , Karmin Lorraine Olson
IPC分类号： B01D71/36
CPC分类号： B01D63/14 , B01D39/1692 , B01D2239/0618 , B01D2239/0654 , B01D2239/0668
摘要： A filter media including a scrim, a polytetrafluoroethylene (PTFE) media substrate upon the scrim, and a layer of expanded polytetrafluoroethylene (ePTFE) membrane adhered to the PTFE media substrate on the scrim. The filter media is pleatable and has air permeability of approximately 3-10 cubic feet/min at a 0.5 inch H2O pressure drop and an original filtration efficiency greater than 99.0% when tested in an unused, unpleated condition with a 0.3 micron challenge aerosol at a flow rate of 10.5 feet/min and when tested after a cleanable dust performance test according to ASTM D6830.
摘要翻译：在稀松布上包括稀松布，聚四氟乙烯（PTFE）介质基材的过滤介质和在稀松布上粘附到PTFE介质基材上的膨胀聚四氟乙烯（ePTFE）膜层。过滤介质是可打褶的，并且在0.5英寸H 2 O压降下具有大约3-10立方英尺/分钟的透气度，并且当在未使用的未充气状态下测试时，其初始过滤效率大于99.0％，其中0.3微米挑战气溶胶在流量为10.5英尺/分钟，并在根据ASTM D6830进行可清洁的粉尘性能试验后进行测试。

3. 发明授权

US08282713B2 PTFE pleated filter element 失效
标题翻译： PTFE褶皱过滤元件
公开(公告)号：US08282713B2
公开(公告)日：2012-10-09
申请号：US12639509
申请日：2009-12-16
申请人： Alan Smithies , Karmin Lorraine Olson
发明人： Alan Smithies , Karmin Lorraine Olson
IPC分类号： B01D53/22
CPC分类号： B01D63/14 , B01D39/1692 , B01D2239/0618 , B01D2239/0654 , B01D2239/0668
摘要： A filter media including a scrim, a polytetrafluoroethylene (PTFE) media substrate upon the scrim, and a layer of expanded polytetrafluoroethylene (ePTFE) membrane adhered to the PTFE media substrate on the scrim. The filter media is pleatable and has air permeability of approximately 3-10 cubic feet/min at a 0.5 inch H2O pressure drop and an original filtration efficiency greater than 99.0% when tested in an unused, unpleated condition with a 0.3 micron challenge aerosol at a flow rate of 10.5 feet/min and when tested after a cleanable dust performance test according to ASTM D6830.
摘要翻译：在稀松布上包括稀松布，聚四氟乙烯（PTFE）介质基材的过滤介质和在稀松布上粘附到PTFE介质基材上的膨胀聚四氟乙烯（ePTFE）膜层。过滤介质是可打褶的，并且在0.5英寸H 2 O压降下具有大约3-10立方英尺/分钟的透气度，并且当在未使用的未充气状态下测试时，其初始过滤效率大于99.0％，其中0.3微米挑战气溶胶在流量为10.5英尺/分钟，并在根据ASTM D6830进行可清洁的粉尘性能试验后进行测试。

4. 发明申请

US20110192125A1 PLEATABLE PTFE FILTER MEDIA WITH EPTFE MEMBRANE 失效
标题翻译：具有EPTFE膜的PTFE过滤介质
公开(公告)号：US20110192125A1
公开(公告)日：2011-08-11
申请号：US12703263
申请日：2010-02-10
申请人： Alan Smithies , Karmin Lorraine Olson
发明人： Alan Smithies , Karmin Lorraine Olson
IPC分类号： B01D46/52
CPC分类号： B01D39/1692 , B01D46/2407 , B01D46/521 , B01D46/543 , B01D2239/0654
摘要： A filter media including a scrim, a polytetrafluoroethylene (PTFE) media substrate upon the scrim, and a layer of expanded polytetrafluoroethylene (ePTFE) membrane adhered to the PTFE media substrate on the scrim. The filter media is pleatable and has air permeability of approximately 3-10 cubic feet/min at a 0.5 inch H2O pressure drop and an original filtration efficiency greater than 99.0% when tested in an unused, unpleated condition with a 0.3 micron challenge aerosol at a flow rate of 10.5 feet/min and when tested after a cleanable dust performance test according to ASTM D6830.
摘要翻译：在稀松布上包括稀松布，聚四氟乙烯（PTFE）介质基材的过滤介质和在稀松布上粘附到PTFE介质基材上的膨胀聚四氟乙烯（ePTFE）膜层。过滤介质是可打褶的，并且在0.5英寸H 2 O压降下具有大约3-10立方英尺/分钟的透气度，并且当在未使用的未充气状态下测试时，其初始过滤效率大于99.0％，其中0.3微米挑战气溶胶在流量为10.5英尺/分钟，并在根据ASTM D6830进行可清洁的粉尘性能试验后进行测试。

5. 发明授权

US07665615B2 Composite article having hydrophilic properties and method of manufacture 有权
标题翻译：具有亲水性的复合制品和制造方法
公开(公告)号：US07665615B2
公开(公告)日：2010-02-23
申请号：US11241430
申请日：2005-09-30
申请人： Karmin Lorraine Olson , Alan Smithies
发明人： Karmin Lorraine Olson , Alan Smithies
IPC分类号： B01D29/00 , B01D9/46 , B01D71/26 , A61B5/103 , B01D61/00
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。

6. 发明授权

US08262780B2 High performance gas turbine inlet filter (HEPA) using membrane media 有权
标题翻译：高性能燃气轮机进口过滤器（HEPA）使用膜介质
公开(公告)号：US08262780B2
公开(公告)日：2012-09-11
申请号：US12507334
申请日：2009-07-22
申请人： Alan Smithies , Jack T. Clements , Cynthia Polizzi
发明人： Alan Smithies , Jack T. Clements , Cynthia Polizzi
IPC分类号： B01D53/22 , B01D39/16 , B01D46/52 , B32B37/04
CPC分类号： F02C7/052 , B01D39/163 , B01D39/1692 , B01D46/526 , B01D2239/0216 , B01D2239/0627 , B01D2239/0668 , B01D2239/069 , B01D2239/1258 , B01D2239/1291 , B32B1/08 , B32B3/28 , B32B5/022 , B32B5/08 , B32B5/16 , B32B5/22 , B32B5/30 , B32B27/12 , B32B27/322 , B32B2262/02 , B32B2262/0253 , B32B2262/0261 , B32B2262/0276 , B32B2262/0292 , B32B2262/12 , B32B2264/0257 , B32B2307/50 , B32B2307/718 , B32B2307/724 , B32B2597/00 , B32B2605/18
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 surface layer deposited on one side of the base substrate where a thermal lamination process can be used to combine the base substrate and the surface layer. The surface layer is formed from a microporous expanded polytetrafluoroethylene membrane. In one aspect, the base substrate and the surface layer are configured to provide greater than 95% and equal to or less than 99.5% filtration efficiency measured in accordance with an EN 1822 test method. In another aspect, the filter media includes an embossing pattern or a plurality of corrugations formed using opposing rollers at a temperature of about 90° C. to about 140° C.
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沉积在基底基板的一侧上的表面层，其中可以使用热层压工艺来组合基底基板和表面层。表面层由微孔膨胀聚四氟乙烯膜形成。在一个方面，基底基材和表面层被配置成提供根据EN 1822测试方法测量的大于95％且等于或小于99.5％的过滤效率。在另一方面，过滤介质包括压花图案或在约90℃至约140℃的温度下使用相对的辊形成的多个波纹。

7. 发明授权

US08206481B2 HEPA (H-10) performance synthetic nonwoven and nanofiber composite filter media 失效
标题翻译： HEPA（H-10）性能合成非织造布和纳米纤维复合过滤介质
公开(公告)号：US08206481B2
公开(公告)日：2012-06-26
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
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。

8. 发明授权

US08021456B2 Filter element with high temperature polymer retaining straps and method of manufacture 有权
标题翻译：带高温聚合物保持带的过滤元件及其制造方法
公开(公告)号：US08021456B2
公开(公告)日：2011-09-20
申请号：US12275988
申请日：2008-11-21
申请人： Thottupurathu Gopakumar , Alan Smithies , Jason Mei
发明人： Thottupurathu Gopakumar , Alan Smithies , Jason Mei
IPC分类号： B01D46/00
CPC分类号： B01D46/523 , B01D46/0001 , B01D46/2414 , B01D2265/06
摘要： A filter element for removing particles from a particulate laden fluid stream includes, in an exemplary embodiment, a filtration media formed into a tubular configuration and that a plurality of circumferentially spaced apart pleats. The filter element also includes at least one melt-extruded retention strap extending circumferentially around the filtration media to limit radial movement of the filtration media at operating temperatures up to about 500° F. Each melt-extruded retention strap is formed from a melt extrudable amorphous thermoplastic polyimide.
摘要翻译：在一个示例性实施方案中，用于从含颗粒的流体物流中除去颗粒的过滤元件包括形成为管状构造并且多个周向间隔开的褶皱的过滤介质。过滤元件还包括沿着过滤介质周向延伸的至少一个熔体挤出的保持带，以限制过滤介质在高达约500°F的操作温度下的径向运动。每个熔融挤出的保持带由熔体可挤出的无定形物形成热塑性聚酰亚胺。

9. 发明申请

US20080217241A1 COMPOSITE FILTER MEDIA AND METHODS OF MANUFACTURE 审中-公开
标题翻译：复合过滤介质及其制造方法
公开(公告)号：US20080217241A1
公开(公告)日：2008-09-11
申请号：US11843228
申请日：2007-08-22
申请人： Alan Smithies , Jack T. Clements , Jason Mei , Hyun Sung Lim , David Charles Jones
发明人： Alan Smithies , Jack T. Clements , Jason Mei , Hyun Sung Lim , David Charles Jones
IPC分类号： B01D39/08 , B32B3/28 , H01J37/30
CPC分类号： B01D39/163 , B01D2239/0216 , B01D2239/025 , B01D2239/065 , Y10T428/24694
摘要： A composite filter media structure is provided. In an exemplary embodiment, the composite filter media structure includes a corrugated base substrate that includes a nonwoven synthetic fabric formed by a dry-laid process that corrugates the base substrate during the forming process. The composite filter media structure also includes a nanofiber membrane deposited on at least one side of the base substrate by an electro-blown spinning process.
摘要翻译：提供复合过滤介质结构。在示例性实施例中，复合过滤介质结构包括波纹状基底，其包括通过干法成网工艺形成的非织造合成织物，其在成形过程中使基底基材波纹化。复合过滤器介质结构还包括通过电吹纺工艺沉积在基底基材的至少一侧上的纳米纤维膜。

10. 发明授权

US07942948B2 Filter element including a composite filter media 有权
标题翻译：过滤元件包括复合过滤介质
公开(公告)号：US07942948B2
公开(公告)日：2011-05-17
申请号：US12201631
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： B01D46/00
CPC分类号： B01D39/1623 , B01D2239/0216 , B01D2239/025 , B01D2239/065 , B01D2239/0668
摘要： A filter element includes, in an exemplary embodiment, a first end cap, a second end cap, and a composite filter media structure. The composite filter media structure includes a base substrate that includes a nonwoven synthetic fabric formed from a plurality of bicomponent synthetic fibers with a spunbond process, and having a bond area pattern having a plurality of substantially parallel discontinuous lines of bond area. The base substrate having a minimum filtration efficiency of about 50%, measured in accordance with ASHRAE 52.2-1999 test procedure. The composite filter media structure also includes a nanofiber layer deposited on one side of the base substrate by an by electro-blown spinning process. The composite filter media structure having a minimum filtration efficiency of about 75%, measured in accordance with ASHRAE 52.2-1999 test procedure. The composite media structure further includes a plurality of corrugations formed at a temperature of about 90° C. to about 140° C.
摘要翻译：在示例性实施例中，过滤元件包括第一端盖，第二端盖和复合过滤介质结构。复合过滤器介质结构包括基底，其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，并且具有多个基本上平行的不连续的粘合区域线的粘结区域图案。该基底具有约50％的最小过滤效率，根据ASHRAE 52.2-1999测试程序测量。复合过滤器介质结构还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。根据ASHRAE 52.2-1999测试程序测量的复合过滤介质结构具有约75％的最小过滤效率。复合介质结构还包括在约90℃至约140℃的温度下形成的多个波纹。

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