CA3032923A1 - Air filter with passivated filter life indicator - Google Patents
Air filter with passivated filter life indicator Download PDFInfo
- Publication number
- CA3032923A1 CA3032923A1 CA3032923A CA3032923A CA3032923A1 CA 3032923 A1 CA3032923 A1 CA 3032923A1 CA 3032923 A CA3032923 A CA 3032923A CA 3032923 A CA3032923 A CA 3032923A CA 3032923 A1 CA3032923 A1 CA 3032923A1
- Authority
- CA
- Canada
- Prior art keywords
- filter
- air
- air filter
- area
- filter media
- 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
- 238000001914 filtration Methods 0.000 claims abstract description 38
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 36
- 239000002245 particle Substances 0.000 claims description 56
- 238000000034 method Methods 0.000 claims description 39
- 239000000835 fiber Substances 0.000 claims description 33
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000004378 air conditioning Methods 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 118
- 239000000463 material Substances 0.000 description 22
- 230000000007 visual effect Effects 0.000 description 19
- 230000008859 change Effects 0.000 description 13
- -1 polyethylene Polymers 0.000 description 9
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 8
- 230000006870 function Effects 0.000 description 6
- 230000035515 penetration Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 239000004820 Pressure-sensitive adhesive Substances 0.000 description 5
- 239000002390 adhesive tape Substances 0.000 description 5
- 230000001476 alcoholic effect Effects 0.000 description 5
- 238000003490 calendering Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000009849 deactivation Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000001747 exhibiting effect Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229920001410 Microfiber Polymers 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000000443 aerosol Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 229910000019 calcium carbonate Inorganic materials 0.000 description 2
- 239000002801 charged material Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000003658 microfiber Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000002161 passivation Methods 0.000 description 2
- 229920000747 poly(lactic acid) Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- XOFYZVNMUHMLCC-ZPOLXVRWSA-N prednisone Chemical compound O=C1C=C[C@]2(C)[C@H]3C(=O)C[C@](C)([C@@](CC4)(O)C(=O)CO)[C@@H]4[C@@H]3CCC2=C1 XOFYZVNMUHMLCC-ZPOLXVRWSA-N 0.000 description 2
- 238000011045 prefiltration Methods 0.000 description 2
- 239000011780 sodium chloride Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000012463 white pigment Substances 0.000 description 2
- 239000005995 Aluminium silicate Substances 0.000 description 1
- 241000197200 Gallinago media Species 0.000 description 1
- 241000691979 Halcyon Species 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229920006061 Kelon® Polymers 0.000 description 1
- 108091006629 SLC13A2 Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 235000012211 aluminium silicate Nutrition 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002551 biofuel Substances 0.000 description 1
- 239000003738 black carbon Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000009960 carding Methods 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006388 chemical passivation reaction Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000000280 densification Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 238000002074 melt spinning Methods 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000003134 recirculating effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
- B01D46/0086—Filter condition indicators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2275/00—Filter media structures for filters specially adapted for separating dispersed particles from gases or vapours
- B01D2275/20—Shape of filtering material
- B01D2275/203—Shapes flexible in their geometry, e.g. bendable, adjustable to a certain size
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Electrostatic Separation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2016/093657 WO2018023748A1 (en) | 2016-08-05 | 2016-08-05 | Air filter with passivated filter life indicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA3032923A1 true CA3032923A1 (en) | 2018-02-08 |
Family
ID=61072649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA3032923A Abandoned CA3032923A1 (en) | 2016-08-05 | 2016-08-05 | Air filter with passivated filter life indicator |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US11213780B2 (enExample) |
| EP (1) | EP3493890B1 (enExample) |
| JP (1) | JP2019524437A (enExample) |
| KR (1) | KR20190032564A (enExample) |
| CN (1) | CN109641166B (enExample) |
| CA (1) | CA3032923A1 (enExample) |
| TW (1) | TWI750208B (enExample) |
| WO (1) | WO2018023748A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210187494A1 (en) * | 2019-12-23 | 2021-06-24 | Entegris, Inc. | Filter life indicator media and holder |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11213780B2 (en) * | 2016-08-05 | 2022-01-04 | 3M Innovative Properties Company | Air filter with passivated filter life indicator |
| US11027231B2 (en) | 2016-11-17 | 2021-06-08 | 3M Innovative Properties Company | Air filter with visual filter life indicator zone and sorbent-loaded visual reference zone |
| JP6761198B1 (ja) * | 2019-03-26 | 2020-09-23 | 富士通クライアントコンピューティング株式会社 | 電子機器 |
Family Cites Families (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2849005A (en) | 1955-11-15 | 1958-08-26 | Brown & Williamson Tobacco Corp | Emblematized cigarette filter tip |
| US3635001A (en) * | 1969-08-05 | 1972-01-18 | Nat Union Electric Corp | Filter indicator |
| NL160303C (nl) | 1974-03-25 | 1979-10-15 | Verto Nv | Werkwijze voor het vervaardigen van een vezelfilter. |
| US4547420A (en) * | 1983-10-11 | 1985-10-15 | Minnesota Mining And Manufacturing Company | Bicomponent fibers and webs made therefrom |
| US4795668A (en) * | 1983-10-11 | 1989-01-03 | Minnesota Mining And Manufacturing Company | Bicomponent fibers and webs made therefrom |
| US4686037A (en) | 1985-03-27 | 1987-08-11 | Teledyne Industries, Inc. | Water filter apparatus |
| US4813948A (en) | 1987-09-01 | 1989-03-21 | Minnesota Mining And Manufacturing Company | Microwebs and nonwoven materials containing microwebs |
| US5256231A (en) | 1988-05-13 | 1993-10-26 | Minnesota Mining And Manufacturing Company | Method for making a sheet of loop material |
| US5338340A (en) * | 1990-02-10 | 1994-08-16 | D-Mark, Inc. | Filter and method of making same |
| US5230800A (en) | 1992-02-20 | 1993-07-27 | Minnesota Mining And Manufacturing Company | Scrim inserted electrostatic fibrous filter web |
| DE4413148A1 (de) | 1994-04-15 | 1995-04-20 | Daimler Benz Ag | Filterbelastungsanzeige |
| US5505753A (en) * | 1994-09-12 | 1996-04-09 | Heysek; Ralph G. | Aircraft pneumatic air filter |
| JPH11137939A (ja) | 1997-11-12 | 1999-05-25 | Kurento:Kk | フィルタ装置 |
| US6110260A (en) * | 1998-07-14 | 2000-08-29 | 3M Innovative Properties Company | Filter having a change indicator |
| AU784745B2 (en) * | 2000-09-07 | 2006-06-08 | Breatheclean Pty Ltd | Dust filter |
| US6494940B1 (en) * | 2000-09-29 | 2002-12-17 | Hamilton Beach/Proctor-Silex, Inc. | Air purifier |
| US20040011204A1 (en) | 2001-10-11 | 2004-01-22 | Hendrik Both | Electrostatic fibrous filter web and method of making same |
| US6858290B2 (en) | 2002-05-29 | 2005-02-22 | 3M Innovative Properties Company | Fluid repellent microporous materials |
| US6979361B2 (en) * | 2002-07-17 | 2005-12-27 | Gueorgui Milev Mihayiov | End of service life indicator for fluid filter |
| JP4641408B2 (ja) * | 2003-11-11 | 2011-03-02 | ヤマトヨ産業株式会社 | フィルター |
| US7235115B2 (en) * | 2004-07-09 | 2007-06-26 | 3M Innovative Properties Company | Method of forming self-supporting pleated filter media |
| US7537647B2 (en) * | 2005-08-10 | 2009-05-26 | S.C. Johnson & Son, Inc. | Air purifier |
| US7537632B2 (en) | 2006-06-22 | 2009-05-26 | Clarcor Air Filtration Products, Inc. | Panel filter with frame |
| US9139940B2 (en) | 2006-07-31 | 2015-09-22 | 3M Innovative Properties Company | Bonded nonwoven fibrous webs comprising softenable oriented semicrystalline polymeric fibers and apparatus and methods for preparing such webs |
| US7947142B2 (en) | 2006-07-31 | 2011-05-24 | 3M Innovative Properties Company | Pleated filter with monolayer monocomponent meltspun media |
| US7754041B2 (en) | 2006-07-31 | 2010-07-13 | 3M Innovative Properties Company | Pleated filter with bimodal monolayer monocomponent media |
| JP2008068240A (ja) * | 2006-09-15 | 2008-03-27 | Casle Kk | インジケータ機能付フィルタおよびその製造方法 |
| CA2665944C (en) * | 2006-10-08 | 2014-04-08 | Haim Wilder | Fluid filter monitoring device |
| US8231700B2 (en) * | 2009-06-25 | 2012-07-31 | 3M Innovative Properties Company | Pleated filter with tridirectional scrim |
| US8162153B2 (en) | 2009-07-02 | 2012-04-24 | 3M Innovative Properties Company | High loft spunbonded web |
| CA2786867C (en) * | 2010-01-18 | 2022-01-04 | 3M Innovative Properties Company | Air filter with sorbent particles |
| US8858692B2 (en) * | 2010-04-02 | 2014-10-14 | 3M Innovative Properties Company | Filter systems including patterned optical analyte sensors and optical readers |
| US20120037005A1 (en) | 2010-08-13 | 2012-02-16 | General Electric Company | Filter integrity monitoring system |
| US8685129B2 (en) | 2011-06-14 | 2014-04-01 | 3M Innovative Properties Company | Framed air filter and method of making |
| US9354231B1 (en) * | 2011-07-25 | 2016-05-31 | Leidos, Inc. | Reactive self-indicating absorbent materials, methods, and systems |
| KR102027606B1 (ko) | 2011-12-12 | 2019-10-01 | 쓰리엠 이노베이티브 프로퍼티즈 캄파니 | 층상 필터 카트리지용 사용 수명 종료 표시 시스템 |
| CA2874137C (en) * | 2012-02-15 | 2017-05-30 | Columbus Industries, Inc. | Collapsible pleated filter and frame |
| US8702829B2 (en) | 2012-06-07 | 2014-04-22 | 3M Innovative Properties Company | Framed air filter with offset slot, and method of making |
| JP2016517800A (ja) * | 2013-05-09 | 2016-06-20 | ザ プロクター アンド ギャンブル カンパニー | エアフィルタリングデバイス |
| US20180207569A1 (en) * | 2013-06-14 | 2018-07-26 | Jordan Salpietra | Systems and methods of indicating filter life |
| US9174159B2 (en) | 2013-08-16 | 2015-11-03 | 3M Innovative Properties Company | Framed pleated air filter with upstream bridging filaments |
| US9278301B2 (en) | 2013-08-16 | 2016-03-08 | 3M Innovative Properties Company | Nestable framed pleated air filter and method of making |
| CA2922815A1 (en) * | 2013-09-03 | 2015-03-12 | 3M Innovative Properties Company | Melt-spinning process, melt-spun nonwoven fibrous webs and related filtration media |
| CN203635596U (zh) * | 2013-11-20 | 2014-06-11 | 上海力申科学仪器有限公司 | 带过滤器寿命显示功能的活性炭过滤排风装置 |
| CN105828908B (zh) * | 2013-12-17 | 2017-11-03 | 3M创新有限公司 | 空气质量指示器 |
| US20160327491A1 (en) * | 2014-01-06 | 2016-11-10 | 3M Innovative Properties Company | Colorimetric indicator responsive to air flow |
| US20150253046A1 (en) * | 2014-03-07 | 2015-09-10 | University Of Central Florida Research Foundation, Inc. | Evaporatively cooled mini-split air conditioning system |
| JP2017514638A (ja) * | 2014-03-10 | 2017-06-08 | ピーエムビーエス, エルエルシー | 携帯用滅菌装置及びその使用方法 |
| JP6178291B2 (ja) * | 2014-08-11 | 2017-08-09 | 株式会社ヤマガタグラビヤ | フィルターの製造方法 |
| US20180021716A1 (en) * | 2015-01-29 | 2018-01-25 | 3M Innovative Properties Company | Conformable pleated air filter with bridging filaments |
| CN204799068U (zh) * | 2015-04-17 | 2015-11-25 | 3M创新有限公司 | 包括具有三层的褶式空气过滤介质的框架式褶式空气过滤器 |
| WO2017059126A1 (en) * | 2015-09-29 | 2017-04-06 | Washington State University | Protein nanofiber air filter materials and methods |
| US10286349B2 (en) * | 2015-11-10 | 2019-05-14 | 3M Innovative Properties Company | Air filter use indicators |
| CN105363297A (zh) * | 2015-11-25 | 2016-03-02 | 佛山市城市森林净化科技有限公司 | 一种判断空气净化器滤网寿命的方法 |
| US11213780B2 (en) * | 2016-08-05 | 2022-01-04 | 3M Innovative Properties Company | Air filter with passivated filter life indicator |
| US11027231B2 (en) * | 2016-11-17 | 2021-06-08 | 3M Innovative Properties Company | Air filter with visual filter life indicator zone and sorbent-loaded visual reference zone |
| US11305224B2 (en) * | 2017-04-18 | 2022-04-19 | 3M Innovative Properties Company | Air filter media with post-pleat-deposited sorbent particles |
| US11148085B2 (en) * | 2018-04-16 | 2021-10-19 | The Hong Kong Polytechnic University | Electrostatically-charged nanofiber media and fabrication method thereof |
| CA3058835C (en) * | 2018-11-05 | 2021-05-25 | Edward Brian Leblanc | Auxiliary filter for the indoor unit of a mini-split heat pump |
-
2016
- 2016-08-05 US US16/319,735 patent/US11213780B2/en active Active
- 2016-08-05 KR KR1020197005964A patent/KR20190032564A/ko not_active Withdrawn
- 2016-08-05 JP JP2019506155A patent/JP2019524437A/ja active Pending
- 2016-08-05 CA CA3032923A patent/CA3032923A1/en not_active Abandoned
- 2016-08-05 EP EP16911343.8A patent/EP3493890B1/en active Active
- 2016-08-05 WO PCT/CN2016/093657 patent/WO2018023748A1/en not_active Ceased
- 2016-08-05 CN CN201680088308.3A patent/CN109641166B/zh active Active
-
2017
- 2017-08-04 TW TW106126315A patent/TWI750208B/zh active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20210187494A1 (en) * | 2019-12-23 | 2021-06-24 | Entegris, Inc. | Filter life indicator media and holder |
| US11679385B2 (en) * | 2019-12-23 | 2023-06-20 | Entegris, Inc. | Filter life indicator media and holder |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018023748A1 (en) | 2018-02-08 |
| CN109641166B (zh) | 2021-04-30 |
| EP3493890A1 (en) | 2019-06-12 |
| TWI750208B (zh) | 2021-12-21 |
| EP3493890A4 (en) | 2020-03-11 |
| CN109641166A (zh) | 2019-04-16 |
| US11213780B2 (en) | 2022-01-04 |
| TW201815454A (zh) | 2018-05-01 |
| US20190151787A1 (en) | 2019-05-23 |
| KR20190032564A (ko) | 2019-03-27 |
| EP3493890B1 (en) | 2021-09-29 |
| JP2019524437A (ja) | 2019-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20221026 |
|
| FZDE | Discontinued |
Effective date: 20221026 |