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1. 发明申请

US20180272260A1 ULTRA-LOW PRESSURE DROP FLUID FILTERS AND RELATED METHODS 审中-公开
公开(公告)号：US20180272260A1
公开(公告)日：2018-09-27
申请号：US15468224
申请日：2017-03-24
申请人： Celanese Acetate LLC
发明人： Raymond M. Robertson , Ronald F. Hughes
IPC分类号： B01D39/16 , B01D39/14 , B01D39/20 , C02F1/00 , A24D3/06 , C01D3/04 , C08J9/26
CPC分类号： B01D39/1661 , A24D3/062 , B01D39/14 , B01D39/2075 , B01D2239/0407 , B01D2239/10 , B01D2239/1258 , C01D3/04 , C02F1/001 , C02F1/283 , C02F2305/08 , C08J9/24 , C08J9/26 , C08J2201/0446 , C08J2323/06
摘要： A method may comprise: sintering a particulate mixture comprising binder particles at about 5% to about 75% by weight of the particulate mixture and fugitive particles at about 25% to about 90% by weight of the particulate mixture, thereby forming a porous mass; and substantially removing the fugitive particles from the porous mass, thereby forming an ultra-low pressure drop (ULPD) porous mass with fugitive particles at 0% to about 5% by weight of the ULPD porous mass.

2. 发明申请

US20180236384A1 ELECTRET-CONTAINING FILTER MEDIA 审中-公开
公开(公告)号：US20180236384A1
公开(公告)日：2018-08-23
申请号：US15438042
申请日：2017-02-21
申请人： Hollingsworth & Vose Company
发明人： Bruce Smith
IPC分类号： B01D39/16 , B01D46/00 , B03C3/28 , H01G7/02
CPC分类号： B01D39/1623 , B01D35/06 , B01D46/0032 , B01D2239/0241 , B01D2239/0435 , B01D2239/065 , B01D2239/0654 , B01D2239/069 , B01D2239/1233 , B01D2239/1258 , B01D2239/1291 , B03C3/28 , B32B5/26 , D04H1/498 , H01G7/021 , H01G7/028
摘要： Filter media, such as electret-containing filtration media for filtering gas streams (e.g., air), are described herein. In some embodiments, the filter media may be designed to have desirable properties such as stable filtration efficiency over the lifetime of the filter media, increased normalized gamma, relatively low pressure drop (i.e. resistance), and/or relatively low basis weight. In certain embodiments, the filter media may be a composite of two or more types of fiber layers where each layer may be designed to enhance its function without substantially negatively impacting the performance of another layer of the media. For example, one layer of the media may be designed to have a relatively low basis weight and/or a relatively high air permeability, and another layer of the media may be designed to have stable filtration efficiency and/or a relatively high efficiency throughout the filter media's lifetime. The filter media described herein may be particularly well-suited for applications that involve filtering gas streams (e.g., face masks, cabin air filtration, vacuum filtration, room filtration, furnace filtration, respirator equipment, residential or industrial HVAC filtration, high-efficiency particulate arrestance (HEPA) filters, ultra-low particular air (ULPA) filters, medical equipment), though the media may also be used in other applications.

3. 发明申请

US20180001242A1 Biological Fluid Filters Having Flexible Walls and Methods for Making Such Filters 审中-公开
公开(公告)号：US20180001242A1
公开(公告)日：2018-01-04
申请号：US15702396
申请日：2017-09-12
申请人： Fenwal, Inc.
发明人： Daniel Lynn , Scott Day , Paolo Verri
IPC分类号： B01D35/30 , A61M1/36 , A61M1/34 , B01D39/10 , A61M1/02 , B01D29/50 , B01D39/08 , B01D39/16
CPC分类号： B01D35/30 , A61M1/0218 , A61M1/0281 , A61M1/34 , A61M1/3403 , A61M1/3406 , A61M1/3633 , A61M1/3636 , B01D29/50 , B01D39/083 , B01D39/086 , B01D39/10 , B01D39/1623 , B01D2201/306 , B01D2239/1258
摘要： Flexible housing filters for filtration of fluids and methods of making such filters are disclosed. The filters may include one or more peripheral seals in the flexible housing.

4. 发明申请

US20170365864A1 POROUS SUPPORT HAVING EXCELLENT FILLING CHARACTERISTICS OF ION CONDUCTOR, METHOD FOR MANUFACTURING THE SAME, AND REINFORCED MEMBRANE INCLUDING THE SAME 审中-公开
公开(公告)号：US20170365864A1
公开(公告)日：2017-12-21
申请号：US15537892
申请日：2015-12-14
申请人： KOLON FASHION MATERIAL. INC.
发明人： Jun Young PARK , Chul Ki KIM , Sung Jin KIM , Ji Suk BAEK , Heung Ryul OH , Yong Hwan LEE , Hwan Kwon RHO
IPC分类号： H01M8/0289 , H01M8/1018
CPC分类号： H01M8/0289 , B01D39/1623 , B01D67/0004 , B01D69/02 , B01D69/10 , B01D71/64 , B01D2239/025 , B01D2239/0421 , B01D2239/0631 , B01D2239/1208 , B01D2239/1216 , B01D2239/1258 , B01D2323/39 , B01D2325/02 , B01D2325/04 , B01D2325/20 , B01D2325/42 , H01M4/62 , H01M8/1018 , H01M8/1062 , H01M2008/1095 , Y02P70/56
摘要： Disclosed is a porous support including fine porous structures formed between nanofibers, wherein the fine porous structures have a porosity of 50% to 90%, a pore size of 0.01 μm to 10 μm and an air permeability of 0.01 to 7 sec/100 cc·air, and the porous support has a thickness of 5 μm to 50 μm, a method of manufacturing the same and a reinforced membrane including the same.

5. 发明授权

US09718020B2 Waved filter media and elements 有权
公开(公告)号：US09718020B2
公开(公告)日：2017-08-01
申请号：US14042210
申请日：2013-09-30
申请人： Hollingsworth & Vose Company
发明人： David T. Healey , Richard Gahan
IPC分类号： B01D46/52 , B01D39/16 , B01D39/20 , B01D46/16
CPC分类号： B01D46/521 , B01D39/1623 , B01D39/163 , B01D39/2017 , B01D46/16 , B01D46/522 , B01D46/523 , B01D2239/0225 , B01D2239/0233 , B01D2239/0654 , B01D2239/1258 , B01D2239/1291 , B01D2275/10
摘要： Various high performance, high efficiency filter media are provided that are cost effective and easy to manufacture. In particular, various filter media are provided having at least one layer with a waved configuration that results in an increased surface area, thereby enhancing various properties of the filter media. The filter media can be used to form a variety of filter elements for use in various applications.

6. 发明授权

US09718012B2 Fine fiber media layer 有权
公开(公告)号：US09718012B2
公开(公告)日：2017-08-01
申请号：US14163262
申请日：2014-01-24
申请人： Donaldson Company, Inc.
发明人： Hoo Young Chung , John R. B. Hall , Mark A. Gogins , Douglas G. Crofoot , Thomas M. Weik
IPC分类号： B01D39/04 , B01D39/18 , B01D46/02 , B01D46/10 , B01D39/08 , B01D39/16 , B01D46/00 , B01D46/24 , B01D46/52 , B01D46/54 , D01D5/00 , D01F1/10 , D01F6/80 , D01F6/90 , D01F6/92 , D04H3/02 , C08L65/00 , C08L77/00
CPC分类号： B01D39/04 , B01D39/086 , B01D39/1623 , B01D39/163 , B01D39/18 , B01D46/0001 , B01D46/02 , B01D46/10 , B01D46/2411 , B01D46/521 , B01D46/523 , B01D46/546 , B01D2239/025 , B01D2239/0428 , B01D2239/0492 , B01D2239/0613 , B01D2239/0618 , B01D2239/0627 , B01D2239/064 , B01D2239/065 , B01D2239/0654 , B01D2239/1233 , B01D2239/1258 , B01D2275/10 , C08L65/00 , C08L77/00 , D01D5/0007 , D01D5/003 , D01D5/0084 , D01F1/10 , D01F6/80 , D01F6/90 , D01F6/92 , D04H3/02 , Y10S428/903 , Y10T428/1362 , Y10T428/24686 , Y10T428/24942 , Y10T428/26 , Y10T428/29 , Y10T428/2915 , Y10T428/2933 , Y10T428/2938 , Y10T428/2967 , Y10T428/2969 , Y10T428/298 , Y10T442/16 , Y10T442/614 , Y10T442/626 , Y10T442/659
摘要： Disclosed are improved polymer materials. Also disclosed are fine fiber materials that can be made from the improved polymeric materials in the form of microfiber and nanofiber structures. The microfiber and nanofiber structures can be used in a variety of useful applications including the formation of filter materials.

7. 发明授权

US09597621B2 Multi-ply filter medium 有权
公开(公告)号：US09597621B2
公开(公告)日：2017-03-21
申请号：US13684858
申请日：2012-11-26
申请人： JOHNS MANVILLE
发明人： Juergen Umminger , Christian Hassmann
IPC分类号： B01D39/00 , B01D39/20 , B01D39/16 , B01D37/00
CPC分类号： B01D39/2024 , B01D39/163 , B01D39/202 , B01D2239/0668 , B01D2239/086 , B01D2239/1233 , B01D2239/1258 , B01D2239/1291 , Y10T156/10
摘要： The present invention relates to a filter composed of a multi-ply filter medium which (i) has at least one textile stiffening layer (layer 4), preferably a non-woven layer, of synthetic, polymer fibers, glass fibers or mixtures of the same, (ii) at least one filtration layer (layer 3), which is attached to at least one side of the non-woven stiffening fabric, the filtration layer being made up of glass fibers, (iii) at least one further filtration layer (layer 2), which is applied on the filtration layer according to ii), the further filtration layer being made up of glass fibers, and at least one textile cover layer (layer 1), which is applied on the filtration layer according to (iii), the cover layer being made up of synthetic polymer fibers.A further subject matter are filter modules including a housing and at least one filter medium according to the invention, and also a method for producing the filter medium according to the invention and also the filter modules and the use thereof in filtration of air/gas and liquids, preferably for filtration of air flows in supply air and/or heat exchanger systems.

8. 发明申请

US20160263509A1 COALESCENCE FILTER 审中-公开
标题翻译： COALESCENCE过滤器
公开(公告)号：US20160263509A1
公开(公告)日：2016-09-15
申请号：US15035689
申请日：2014-11-27
申请人： ATLAS COPCO AIRPOWER N.V.
发明人： Isabelle DE WOLF , Evi BULTINCK , Jo WOUTERS , Ken GORIS
IPC分类号： B01D46/00 , B01D46/40 , F04B53/20 , B01D53/26
CPC分类号： B01D17/045 , B01D46/0023 , B01D46/003 , B01D46/403 , B01D53/265 , B01D53/268 , B01D2239/0421 , B01D2239/0428 , B01D2239/065 , B01D2239/1216 , B01D2239/1233 , B01D2239/1258 , B01D2239/1291 , C02F1/001 , C02F1/40 , C02F2101/32 , C10G31/09 , C10G2300/201 , F04B53/20
摘要： The present invention relates to a filter unit for filtering a compressed gas contaminated with oil, in particular compressed air, wherein the filter unit contains a coalescence filter for coalescing the contaminant contained in the compressed gas, in particular oil. The coalescence filter comprises a housing with a gas supply for supplying the gas to a primary coalescence medium disposed in the housing, the gas flowing in a flow direction, wherein the primary coalescence medium contains at least one first layer of a first porous coalescence medium and a second layer of a second porous coalescence medium adjacent to the first layer, wherein the primary coalescence medium has a total thickness of at least 3.5 mm, measured at a pressure of 2 N/cm2.
摘要翻译：本发明涉及用于过滤被油污染的压缩气体，特别是压缩空气的过滤器单元，其中过滤器单元包含聚结过滤器，用于聚合包含在压缩气体中的污染物，特别是油。聚结过滤器包括：壳体，其具有用于将气体供应到设置在壳体中的初级聚结介质的气体供应源，气体沿流动方向流动，其中主聚结介质包含至少一个第一多孔聚结介质的第一层，以及邻近第一层的第二多孔聚结介质的第二层，其中主要聚结介质的总厚度至少为3.5mm，在2N / cm 2的压力下测量。

9. 发明申请

US20160166960A1 FILTER MEDIA WITH IMPROVED CONDUCTIVITY 审中-公开
标题翻译：具有改进电导率的过滤介质
公开(公告)号：US20160166960A1
公开(公告)日：2016-06-16
申请号：US14938202
申请日：2015-11-11
申请人： Hollingsworth & Vose Company
发明人： Wai Ming Choi , Karin N. Soper
IPC分类号： B01D39/14 , B01D46/52 , B01D39/20 , B01D29/01 , B01D37/00 , B01D39/16
CPC分类号： B01D39/14 , B01D29/016 , B01D37/00 , B01D39/1607 , B01D39/1615 , B01D39/1692 , B01D39/2017 , B01D39/2041 , B01D39/2062 , B01D39/2065 , B01D39/2082 , B01D46/521 , B01D2239/0241 , B01D2239/0478 , B01D2239/0618 , B01D2239/0622 , B01D2239/0627 , B01D2239/065 , B01D2239/0668 , B01D2239/0672 , B01D2239/0681 , B01D2239/083 , B01D2239/086 , B01D2239/10 , B01D2239/1208 , B01D2239/1225 , B01D2239/1233 , B01D2239/1241 , B01D2239/125 , B01D2239/1258 , B01D2239/1275 , B01D2239/1291 , B03C3/155 , Y10T29/49002
摘要： Filter media are provided having improved conductivity to enhance filtration efficiency and/or dissipate static charge, and methods for making the same. In one exemplary embodiment, the filter media can include a filtration substrate, and at least one conductive coating disposed on at least a portion of the filtration substrate. In use, the conductive coating is coupled to an energy source and it is effective to emit ions when energy is delivered thereto to increase the efficiency of the filtration substrate and/or to dissipate or eliminate static charge generated during filtration.
摘要翻译：提供具有改善的导电性以提高过滤效率和/或消散静电荷的过滤介质及其制备方法。在一个示例性实施例中，过滤介质可以包括过滤衬底，以及设置在过滤衬底的至少一部分上的至少一个导电涂层。在使用中，导电涂层耦合到能量源，并且当能量被传送到其上时发射离子是有效的，以提高过滤衬底的效率和/或消散或消除过滤期间产生的静电。

10. 发明申请

US20150298032A1 DRY FORMED FILTERS AND METHODS OF MAKING THE SAME 审中-公开
标题翻译：干燥过滤器及其制备方法
公开(公告)号：US20150298032A1
公开(公告)日：2015-10-22
申请号：US14323421
申请日：2014-07-03
申请人： GUSMER ENTERPRISES INC.
发明人： Robert L. Tinkham , Robert Menzies
IPC分类号： B01D29/56
CPC分类号： B01D29/56 , B01D29/111 , B01D29/41 , B01D39/1623 , B01D2239/065 , B01D2239/1258
摘要： The disclosure includes, in some embodiments, a filter element that includes a first porous outer layer formed from a nonwoven material, a second porous outer layer formed from a nonwoven material, and at least one inner porous layer formed from a high loft nonwoven material (or other suitable material) disposed between the first porous outer layer and the second porous outer layer. The high loft nonwoven material has a three dimensional matrix formed by entangled and bonded fibers that cooperate to form a plurality of three dimensional interstices between the fibers for maintaining an open and tortuous flow path for fluid to pass through. The filter element also includes filter aid particles dispersed in the interstices of the high loft nonwoven material.
摘要翻译：在一些实施方案中，本公开包括一种过滤元件，其包括由非织造材料形成的第一多孔外层，由非织造材料形成的第二多孔外层，以及由高蓬松无纺材料形成的至少一个内多孔层或其它合适的材料），其设置在第一多孔外层和第二多孔外层之间。高隆顶无纺材料具有由缠结和粘合的纤维形成的三维矩阵，其协作以在纤维之间形成多个三维间隙，以保持流体通过的开放且曲折的流动路径。过滤元件还包括分散在高膨松非织造材料的间隙中的助滤剂颗粒。

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