CA2612633A1 - Improved filter construction for removing contaminants from an enclosure - Google Patents
Improved filter construction for removing contaminants from an enclosure Download PDFInfo
- Publication number
- CA2612633A1 CA2612633A1 CA002612633A CA2612633A CA2612633A1 CA 2612633 A1 CA2612633 A1 CA 2612633A1 CA 002612633 A CA002612633 A CA 002612633A CA 2612633 A CA2612633 A CA 2612633A CA 2612633 A1 CA2612633 A1 CA 2612633A1
- Authority
- CA
- Canada
- Prior art keywords
- filter
- filter assembly
- layer
- edge
- projecting element
- 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.)
- Abandoned
Links
- 238000010276 construction Methods 0.000 title claims description 18
- 239000000356 contaminant Substances 0.000 title abstract description 23
- 239000003463 adsorbent Substances 0.000 claims abstract description 72
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 239000010410 layer Substances 0.000 claims description 70
- 239000000463 material Substances 0.000 claims description 35
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical class [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 21
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 19
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 19
- 239000012528 membrane Substances 0.000 claims description 17
- -1 polyethylene Polymers 0.000 claims description 15
- 229920000728 polyester Polymers 0.000 claims description 12
- 239000004743 Polypropylene Substances 0.000 claims description 8
- 229920001155 polypropylene Polymers 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Chemical compound [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 239000002346 layers by function Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 2
- 239000002657 fibrous material Substances 0.000 claims description 2
- 239000002808 molecular sieve Substances 0.000 claims description 2
- 229910000027 potassium carbonate Inorganic materials 0.000 claims description 2
- 239000012286 potassium permanganate Substances 0.000 claims description 2
- 239000000741 silica gel Substances 0.000 claims description 2
- 229910002027 silica gel Inorganic materials 0.000 claims description 2
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 2
- 239000002033 PVDF binder Substances 0.000 claims 1
- 239000004372 Polyvinyl alcohol Substances 0.000 claims 1
- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 150000002739 metals Chemical class 0.000 claims 1
- 229920000139 polyethylene terephthalate Polymers 0.000 claims 1
- 229920000642 polymer Polymers 0.000 claims 1
- 229920002451 polyvinyl alcohol Polymers 0.000 claims 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims 1
- 239000001488 sodium phosphate Substances 0.000 claims 1
- 229910000162 sodium phosphate Inorganic materials 0.000 claims 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 claims 1
- 238000011109 contamination Methods 0.000 abstract description 11
- 239000012808 vapor phase Substances 0.000 abstract description 6
- 230000003287 optical effect Effects 0.000 abstract description 4
- 239000002245 particle Substances 0.000 description 67
- 238000012360 testing method Methods 0.000 description 19
- 239000002594 sorbent Substances 0.000 description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000009792 diffusion process Methods 0.000 description 10
- 239000000835 fiber Substances 0.000 description 8
- 229910001868 water Inorganic materials 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 150000003839 salts Chemical class 0.000 description 6
- 239000008367 deionised water Substances 0.000 description 5
- 229910021641 deionized water Inorganic materials 0.000 description 5
- 230000002209 hydrophobic effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- 239000000443 aerosol Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000011068 loading method Methods 0.000 description 3
- 239000004745 nonwoven fabric Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- NLKNQRATVPKPDG-UHFFFAOYSA-M potassium iodide Chemical compound [K+].[I-] NLKNQRATVPKPDG-UHFFFAOYSA-M 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- 238000005070 sampling Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 101100468275 Caenorhabditis elegans rep-1 gene Proteins 0.000 description 2
- 241000723418 Carya Species 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- OSVXSBDYLRYLIG-UHFFFAOYSA-N chlorine dioxide Inorganic materials O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010943 off-gassing Methods 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000011241 protective layer Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 229920006397 acrylic thermoplastic Polymers 0.000 description 1
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003090 exacerbative effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229920002457 flexible plastic Polymers 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 239000004816 latex Substances 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000012255 powdered metal Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- ISXSCDLOGDJUNJ-UHFFFAOYSA-N tert-butyl prop-2-enoate Chemical compound CC(C)(C)OC(=O)C=C ISXSCDLOGDJUNJ-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 235000012431 wafers Nutrition 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B33/00—Constructional parts, details or accessories not provided for in the other groups of this subclass
- G11B33/14—Reducing influence of physical parameters, e.g. temperature change, moisture, dust
- G11B33/1446—Reducing contamination, e.g. by dust, debris
- G11B33/146—Reducing contamination, e.g. by dust, debris constructional details of filters
Landscapes
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17220805A | 2005-06-30 | 2005-06-30 | |
| US11/172,208 | 2005-06-30 | ||
| PCT/US2006/012838 WO2007005084A2 (en) | 2005-06-30 | 2006-04-07 | Improved filter construction for removing contaminants from an enclosure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2612633A1 true CA2612633A1 (en) | 2007-01-11 |
Family
ID=37604915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002612633A Abandoned CA2612633A1 (en) | 2005-06-30 | 2006-04-07 | Improved filter construction for removing contaminants from an enclosure |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP1911030A4 (de) |
| JP (1) | JP2009501650A (de) |
| CA (1) | CA2612633A1 (de) |
| WO (1) | WO2007005084A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010036351A1 (en) * | 2008-09-26 | 2010-04-01 | Gore Enterprise Holdings, Inc. | Improved filter construction for removing contaminants from an enclosure |
| US8885291B2 (en) | 2012-08-10 | 2014-11-11 | Donaldson Company, Inc. | Recirculation filter for an electronic enclosure |
| US10010822B2 (en) | 2012-08-10 | 2018-07-03 | Donaldson Company, Inc. | Recirculation filter for an electronic enclosure |
| US10482928B2 (en) | 2014-02-13 | 2019-11-19 | Donaldson Company, Inc. | Recirculation filter for an electronic enclosure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02281495A (ja) * | 1989-04-20 | 1990-11-19 | Mitsubishi Electric Corp | 磁気ディスク装置 |
| JPH03214491A (ja) * | 1990-01-19 | 1991-09-19 | Sony Corp | ディスク装置 |
| EP0844903A1 (de) * | 1995-06-20 | 1998-06-03 | Donaldson Company, Inc. | Filter und verfahren zur herstellung des filters |
| US6208484B1 (en) * | 1999-06-11 | 2001-03-27 | Maxtor Corporation | Recirculation filter for use in a disk drive |
| US6238467B1 (en) * | 1999-09-24 | 2001-05-29 | Gore Enterprise Holdings, Inc. | Rigid multi-functional filter assembly |
| JP3966705B2 (ja) * | 2001-09-26 | 2007-08-29 | ジャパンゴアテックス株式会社 | ガス吸着フィルターの取り付け構造及びガス吸着フィルター付きハウジング |
| KR100468747B1 (ko) * | 2002-07-11 | 2005-01-29 | 삼성전자주식회사 | 하드 디스크 드라이브의 필터링 장치 |
| US7095584B2 (en) * | 2003-08-29 | 2006-08-22 | Donaldson Company, Inc. | Integrated chemical breather filter with high and low pressure surfaces |
| US20060191249A1 (en) * | 2004-11-09 | 2006-08-31 | Gogins Mark A | Electronic enclosure filter containing polymer microfiber element |
-
2006
- 2006-04-07 EP EP06740624A patent/EP1911030A4/de not_active Withdrawn
- 2006-04-07 JP JP2008519270A patent/JP2009501650A/ja active Pending
- 2006-04-07 CA CA002612633A patent/CA2612633A1/en not_active Abandoned
- 2006-04-07 WO PCT/US2006/012838 patent/WO2007005084A2/en active Search and Examination
Also Published As
| Publication number | Publication date |
|---|---|
| WO2007005084A3 (en) | 2008-12-11 |
| JP2009501650A (ja) | 2009-01-22 |
| WO2007005084A2 (en) | 2007-01-11 |
| EP1911030A2 (de) | 2008-04-16 |
| EP1911030A4 (de) | 2010-07-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| FZDE | Discontinued |