CN101940856B - Hepa(h-10)性能合成非织造和纳米纤维复合过滤介质 - Google Patents
Hepa(h-10)性能合成非织造和纳米纤维复合过滤介质 Download PDFInfo
- Publication number
- CN101940856B CN101940856B CN201010132464.XA CN201010132464A CN101940856B CN 101940856 B CN101940856 B CN 101940856B CN 201010132464 A CN201010132464 A CN 201010132464A CN 101940856 B CN101940856 B CN 101940856B
- Authority
- CN
- China
- Prior art keywords
- filter media
- composite filter
- nanofibers
- layers
- substrate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002121 nanofiber Substances 0.000 title claims abstract description 92
- 239000002131 composite material Substances 0.000 title claims abstract description 57
- 239000000758 substrate Substances 0.000 claims abstract description 111
- 238000000034 method Methods 0.000 claims abstract description 31
- 229920002994 synthetic fiber Polymers 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 11
- 238000009987 spinning Methods 0.000 claims abstract description 11
- 239000012209 synthetic fiber Substances 0.000 claims abstract description 10
- 238000010998 test method Methods 0.000 claims abstract description 8
- 239000004744 fabric Substances 0.000 claims description 19
- 239000002245 particle Substances 0.000 claims description 13
- 229920000642 polymer Polymers 0.000 claims description 12
- 230000003068 static effect Effects 0.000 claims description 12
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract description 7
- 239000004745 nonwoven fabric Substances 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 41
- 238000004049 embossing Methods 0.000 description 28
- 230000000052 comparative effect Effects 0.000 description 12
- 238000012360 testing method Methods 0.000 description 9
- 238000010041 electrostatic spinning Methods 0.000 description 5
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000001000 micrograph Methods 0.000 description 5
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 5
- 238000005070 sampling Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 239000010985 leather Substances 0.000 description 4
- 239000004014 plasticizer Substances 0.000 description 4
- -1 poly-(PETP) Polymers 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 239000004697 Polyetherimide Substances 0.000 description 3
- 229920002873 Polyethylenimine Polymers 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229920001601 polyetherimide Polymers 0.000 description 3
- 229920001169 thermoplastic Polymers 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KXDHJXZQYSOELW-UHFFFAOYSA-M Carbamate Chemical compound NC([O-])=O KXDHJXZQYSOELW-UHFFFAOYSA-M 0.000 description 2
- 239000004721 Polyphenylene oxide Substances 0.000 description 2
- 239000004734 Polyphenylene sulfide Substances 0.000 description 2
- 239000004433 Thermoplastic polyurethane Substances 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 2
- 239000004760 aramid Substances 0.000 description 2
- 229920003235 aromatic polyamide Polymers 0.000 description 2
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- 229920002492 poly(sulfone) Polymers 0.000 description 2
- 229920000098 polyolefin Polymers 0.000 description 2
- 229920006380 polyphenylene oxide Polymers 0.000 description 2
- 229920000069 polyphenylene sulfide Polymers 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229920003048 styrene butadiene rubber Polymers 0.000 description 2
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 2
- 239000004416 thermosoftening plastic Substances 0.000 description 2
- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 description 1
- IAAASXBHFUJLHW-UHFFFAOYSA-N 3,5-diethyl-1-phenyl-2-propyl-2h-pyridine Chemical compound C1=C(CC)C=C(CC)C(CCC)N1C1=CC=CC=C1 IAAASXBHFUJLHW-UHFFFAOYSA-N 0.000 description 1
- SIXWIUJQBBANGK-UHFFFAOYSA-N 4-(4-fluorophenyl)-1h-pyrazol-5-amine Chemical compound N1N=CC(C=2C=CC(F)=CC=2)=C1N SIXWIUJQBBANGK-UHFFFAOYSA-N 0.000 description 1
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 description 1
- VOWAEIGWURALJQ-UHFFFAOYSA-N Dicyclohexyl phthalate Chemical compound C=1C=CC=C(C(=O)OC2CCCCC2)C=1C(=O)OC1CCCCC1 VOWAEIGWURALJQ-UHFFFAOYSA-N 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- 229920000784 Nomex Polymers 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- 239000002174 Styrene-butadiene Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000000443 aerosol Substances 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 150000005690 diesters Chemical class 0.000 description 1
- DWNAQMUDCDVSLT-UHFFFAOYSA-N diphenyl phthalate Chemical compound C=1C=CC=C(C(=O)OC=2C=CC=CC=2)C=1C(=O)OC1=CC=CC=C1 DWNAQMUDCDVSLT-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004763 nomex Substances 0.000 description 1
- 229920002239 polyacrylonitrile Polymers 0.000 description 1
- 229920000767 polyaniline Polymers 0.000 description 1
- 229920002480 polybenzimidazole Polymers 0.000 description 1
- 229920001707 polybutylene terephthalate Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 239000013557 residual solvent Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000003381 solubilizing effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229940124530 sulfonamide Drugs 0.000 description 1
- 239000004758 synthetic textile Substances 0.000 description 1
- 125000000383 tetramethylene group Chemical group [H]C([H])([*:1])C([H])([H])C([H])([H])C([H])([H])[*:2] 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 239000004634 thermosetting polymer Substances 0.000 description 1
- 239000000326 ultraviolet stabilizing agent Substances 0.000 description 1
- 125000002948 undecyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
- B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H13/00—Other non-woven fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/0216—Bicomponent or multicomponent fibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/02—Types of fibres, filaments or particles, self-supporting or supported materials
- B01D2239/025—Types of fibres, filaments or particles, self-supporting or supported materials comprising nanofibres
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/0604—Arrangement of the fibres in the filtering material
- B01D2239/0631—Electro-spun
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
- B01D2239/065—More than one layer present in the filtering material
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Filtering Materials (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Nonwoven Fabrics (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/394320 | 2009-02-27 | ||
| US12/394,320 US8206481B2 (en) | 2009-02-27 | 2009-02-27 | HEPA (H-10) performance synthetic nonwoven and nanofiber composite filter media |
| US12/394,320 | 2009-02-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101940856A CN101940856A (zh) | 2011-01-12 |
| CN101940856B true CN101940856B (zh) | 2014-12-03 |
Family
ID=42310667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010132464.XA Expired - Fee Related CN101940856B (zh) | 2009-02-27 | 2010-02-26 | Hepa(h-10)性能合成非织造和纳米纤维复合过滤介质 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8206481B2 (enExample) |
| EP (1) | EP2223725A1 (enExample) |
| JP (1) | JP2010201419A (enExample) |
| KR (1) | KR20100098310A (enExample) |
| CN (1) | CN101940856B (enExample) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8673040B2 (en) | 2008-06-13 | 2014-03-18 | Donaldson Company, Inc. | Filter construction for use with air in-take for gas turbine and methods |
| DK2384375T3 (en) | 2009-01-16 | 2017-10-16 | Zeus Ind Products Inc | ELECTROSPINING PTFE WITH HIGH-VISUAL MATERIALS |
| US20130268062A1 (en) | 2012-04-05 | 2013-10-10 | Zeus Industrial Products, Inc. | Composite prosthetic devices |
| US8262780B2 (en) * | 2009-07-22 | 2012-09-11 | Bha Group, Inc | High performance gas turbine inlet filter (HEPA) using membrane media |
| KR101978284B1 (ko) | 2010-04-20 | 2019-05-14 | 파이브라케스트 리미티드 | 형성된 시트 멤브레인 요소 및 여과 시스템 |
| US9987389B2 (en) | 2010-05-14 | 2018-06-05 | Rem Brands, Inc. | Articles with odor-controlling composition |
| US10105624B2 (en) * | 2011-02-03 | 2018-10-23 | Donaldson Company, Inc. | Filter media pack, filter assembly, and method |
| CZ305230B6 (cs) * | 2011-04-28 | 2015-06-24 | Česká Včela s.r.o. | Bariérová textilie |
| JP5938572B2 (ja) * | 2011-09-16 | 2016-06-22 | パナソニックＩｐマネジメント株式会社 | エアフィルタ、およびこのエアフィルタを装着した空気清浄装置 |
| KR102015613B1 (ko) | 2011-10-20 | 2019-08-28 | 파이브라케스트 리미티드 | 성형 시이트 막 요소를 코팅하기 위한 코팅 기기 및 공정 |
| WO2013103572A1 (en) | 2012-01-05 | 2013-07-11 | Tdc Filter Manufacturing, Inc. | Waterproof and salt repellant media and filter |
| WO2013112793A1 (en) | 2012-01-27 | 2013-08-01 | Zeus Industrial Products, Inc. | Electrospun porous media |
| US10058808B2 (en) | 2012-10-22 | 2018-08-28 | Cummins Filtration Ip, Inc. | Composite filter media utilizing bicomponent fibers |
| CN103072365B (zh) * | 2013-01-31 | 2016-04-06 | 东北大学 | 一种纺粘和静电纺复合滤纸制造方法 |
| WO2014126443A1 (ko) * | 2013-02-18 | 2014-08-21 | 주식회사 아모그린텍 | 필터 여재 및 그 제조방법과, 이를 이용한 필터 장치 |
| BR112015019842B1 (pt) | 2013-02-18 | 2021-08-17 | Amogreentech Co., Ltd | Aparelho de filtro que usa o meio de filtro |
| US20140352708A1 (en) * | 2013-05-30 | 2014-12-04 | Seng C. Tan | Filters for Cigarettes, Pipes, and Cigars and Related Products |
| EP3056597A4 (en) * | 2013-10-07 | 2016-10-26 | Finetex Ene Inc | FILTERS WITH NANO FIBERS BETWEEN SUBSTRATES AND METHOD FOR THE PRODUCTION THEREOF |
| DE102013017758A1 (de) * | 2013-10-28 | 2015-04-30 | Carl Freudenberg Kg | Verwendung eines Filterelements mit feinporöser Beschichtung |
| US9844747B2 (en) * | 2014-12-02 | 2017-12-19 | Pro-Pure Inc. | Manufacturing method for a filter core |
| CN118217435A (zh) * | 2015-02-09 | 2024-06-21 | 瑞姆布兰兹公司 | 一种过滤器 |
| CN109219474B (zh) * | 2016-06-02 | 2021-07-02 | 阿莫绿色技术有限公司 | 过滤介质、其制造方法及包括其的过滤器模块 |
| CA3051240A1 (en) * | 2017-01-26 | 2018-08-02 | The North Face Apparel Corp. | Nano-spun substrate, systems, and methods for creation thereof |
| CN106693553A (zh) * | 2017-03-03 | 2017-05-24 | 赵恒祥 | 一种除尘器 |
| DE102018102822B4 (de) * | 2018-02-08 | 2020-03-05 | Neenah Gessner Gmbh | Filtermedium mit einer Vlieslage und einer Meltblownlage sowie Filterelement |
| DE102019127778A1 (de) | 2019-10-15 | 2021-04-15 | Brückner Maschinenbau GmbH & Co. KG | Verfahren zur Einstellung eines Arbeitspunkts einer Folienreckanlage und Folienreckanlage zur Herstellung einer Kunststofffolie |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2006071979A1 (en) * | 2004-12-28 | 2006-07-06 | E.I. Dupont De Nemours And Company | Filtration media for filtering particulate material from gas streams |
| US7235122B2 (en) * | 2004-11-08 | 2007-06-26 | E. I. Du Pont De Nemours And Company | Filtration media for filtering particulate material from gas streams |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7115150B2 (en) * | 2000-09-05 | 2006-10-03 | Donaldson Company, Inc. | Mist filtration arrangement utilizing fine fiber layer in contact with media having a pleated construction and floor filter method |
| DE10051186B4 (de) * | 2000-10-16 | 2005-04-07 | Fibermark Gessner Gmbh & Co. Ohg | Staubfilterbeutel mit hochporöser Trägermateriallage |
| RU2300543C2 (ru) | 2001-05-31 | 2007-06-10 | Дональдсон Компани, Инк. | Составы тонкого волокна, способы их получения, способ изготовления тонковолокнистого материала |
| BRPI0520889B1 (pt) | 2004-11-05 | 2020-11-03 | Donaldson Company, Inc. | método de filtração de uma corrente líquida e método de filtração de um fluido aquecido |
| DE602004009463T2 (de) | 2004-12-23 | 2008-07-24 | W. L. Gore & Associates Gmbh | Luftfilter für Turbineneinlass |
| US7717975B2 (en) * | 2005-02-16 | 2010-05-18 | Donaldson Company, Inc. | Reduced solidity web comprising fiber and fiber spacer or separation means |
| WO2007047263A1 (en) * | 2005-10-19 | 2007-04-26 | 3M Innovative Properties Company | Multilayer articles having acoustical absorbance properties and methods of making and using the same |
| CN101652168A (zh) * | 2007-02-22 | 2010-02-17 | 唐纳森公司 | 过滤元件及其方法 |
| US8308834B2 (en) | 2007-03-05 | 2012-11-13 | Bha Group, Inc. | Composite filter media |
| US20080217241A1 (en) | 2007-03-05 | 2008-09-11 | Alan Smithies | Composite filter media and methods of manufacture |
| US7942948B2 (en) | 2007-03-05 | 2011-05-17 | Bha Group, Inc. | Filter element including a composite filter media |
| US20080315465A1 (en) | 2007-03-05 | 2008-12-25 | Alan Smithies | Method of manufacturing composite filter media |
| US7927540B2 (en) | 2007-03-05 | 2011-04-19 | Bha Group, Inc. | Method of manufacturing a composite filter media |
| US7981177B2 (en) * | 2007-04-18 | 2011-07-19 | Transweb, Llc | Filtration media having a slit-film layer |
| DE102007027299B4 (de) | 2007-06-11 | 2009-02-26 | Johns Manville Europe Gmbh | Filter, Verfahren zu dessen Herstellung, dessen Verwendung sowie Filtermodule |
| WO2009062009A2 (en) * | 2007-11-09 | 2009-05-14 | Hollingsworth & Vose Company | Meltblown filter medium |
| CN101952210B (zh) * | 2007-12-31 | 2013-05-29 | 3M创新有限公司 | 流体过滤制品及其制造和使用方法 |
-
2009
- 2009-02-27 US US12/394,320 patent/US8206481B2/en not_active Expired - Fee Related
-
2010
- 2010-02-09 EP EP10153019A patent/EP2223725A1/en not_active Withdrawn
- 2010-02-24 JP JP2010038053A patent/JP2010201419A/ja active Pending
- 2010-02-25 KR KR1020100017045A patent/KR20100098310A/ko not_active Ceased
- 2010-02-26 CN CN201010132464.XA patent/CN101940856B/zh not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7235122B2 (en) * | 2004-11-08 | 2007-06-26 | E. I. Du Pont De Nemours And Company | Filtration media for filtering particulate material from gas streams |
| WO2006071979A1 (en) * | 2004-12-28 | 2006-07-06 | E.I. Dupont De Nemours And Company | Filtration media for filtering particulate material from gas streams |
Also Published As
| Publication number | Publication date |
|---|---|
| US20100218471A1 (en) | 2010-09-02 |
| CN101940856A (zh) | 2011-01-12 |
| US8206481B2 (en) | 2012-06-26 |
| KR20100098310A (ko) | 2010-09-06 |
| JP2010201419A (ja) | 2010-09-16 |
| EP2223725A1 (en) | 2010-09-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101940856B (zh) | Hepa(h-10)性能合成非织造和纳米纤维复合过滤介质 | |
| CN101637682B (zh) | 复合材料过滤介质 | |
| US7927540B2 (en) | Method of manufacturing a composite filter media | |
| JP5696919B2 (ja) | ナノウェブとスクリムの耐久性積層物 | |
| JP5730198B2 (ja) | 複合ろ材の製造方法 | |
| CN101963102B (zh) | 使用薄膜介质的高性能燃气涡轮入口过滤器(hepa) | |
| JP5400884B2 (ja) | 複合ろ材 | |
| KR101483442B1 (ko) | 복합 필터 매질 및 제조 방법 | |
| US7942948B2 (en) | Filter element including a composite filter media | |
| CN101780352B (zh) | 燃气轮机进气过滤过滤元件 | |
| CN101670209A (zh) | 制造复合材料过滤介质的方法 | |
| CN101132907A (zh) | 用于从气体物流过滤颗粒材料的过滤介质 | |
| CN101352632A (zh) | 复合的过滤介质和制造方法 | |
| KR20200029862A (ko) | 공조기용 다층 필터 부재 및 그 제조방법 | |
| JP6551771B2 (ja) | 積層不織布および空気清浄機 | |
| JP2018199227A (ja) | 積層体、エアフィルタおよび空気清浄機 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: BHA AERTAIER CO., LTD. Free format text: FORMER OWNER: BHA GROUP INC. Effective date: 20140321 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20140321 Address after: Tennessee Applicant after: GEN ELECTRIC Address before: American Missouri Applicant before: BHA Group Inc. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20160226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |