WO2005061115A1 - Electrically enhanced air filtration with improved efficacy - Google Patents
Electrically enhanced air filtration with improved efficacy Download PDFInfo
- Publication number
- WO2005061115A1 WO2005061115A1 PCT/US2004/003295 US2004003295W WO2005061115A1 WO 2005061115 A1 WO2005061115 A1 WO 2005061115A1 US 2004003295 W US2004003295 W US 2004003295W WO 2005061115 A1 WO2005061115 A1 WO 2005061115A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter media
- conductive electrode
- filter
- fibrous filter
- fibrous
- Prior art date
Links
- 238000001914 filtration Methods 0.000 title claims description 31
- 239000002245 particle Substances 0.000 claims description 67
- 238000011144 upstream manufacturing Methods 0.000 claims description 44
- 230000005684 electric field Effects 0.000 claims description 28
- 239000003292 glue Substances 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 16
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- 230000008878 coupling Effects 0.000 claims description 4
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- 238000010438 heat treatment Methods 0.000 claims description 2
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- 230000003472 neutralizing effect Effects 0.000 abstract description 4
- 239000000835 fiber Substances 0.000 description 44
- 238000013461 design Methods 0.000 description 9
- 150000002500 ions Chemical class 0.000 description 9
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- 229910052751 metal Inorganic materials 0.000 description 4
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- 230000008569 process Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 3
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- 229910045601 alloy Inorganic materials 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
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- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/09—Plant or installations having external electricity supply dry type characterised by presence of stationary flat electrodes arranged with their flat surfaces at right angles to the gas stream
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/04—Plant or installations having external electricity supply dry type
- B03C3/14—Plant or installations having external electricity supply dry type characterised by the additional use of mechanical effects, e.g. gravity
- B03C3/155—Filtration
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/48—Processes of making filters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S55/00—Gas separation
- Y10S55/05—Methods of making filter
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006541108A JP4927558B2 (en) | 2003-11-25 | 2004-02-05 | Electrically enhanced air filtration with improved efficacy |
CA2545965A CA2545965C (en) | 2003-11-25 | 2004-02-05 | Electrically enhanced air filtration with improved efficacy |
EP04708539.4A EP1691930B1 (en) | 2003-11-25 | 2004-02-05 | Electrically enhanced air filtration with improved efficacy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/721,940 US7025806B2 (en) | 2003-11-25 | 2003-11-25 | Electrically enhanced air filtration with improved efficacy |
US10/721,940 | 2003-11-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005061115A1 true WO2005061115A1 (en) | 2005-07-07 |
Family
ID=34591923
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/003295 WO2005061115A1 (en) | 2003-11-25 | 2004-02-05 | Electrically enhanced air filtration with improved efficacy |
Country Status (6)
Country | Link |
---|---|
US (2) | US7025806B2 (en) |
EP (1) | EP1691930B1 (en) |
JP (1) | JP4927558B2 (en) |
CN (2) | CN1886199A (en) |
CA (1) | CA2545965C (en) |
WO (1) | WO2005061115A1 (en) |
Cited By (3)
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WO2007135232A1 (en) | 2006-05-18 | 2007-11-29 | Valtion Teknillinen Tutkimuskeskus | Filter structure for filtering a particle-containing gas, method of its manufacture and use of porous paper |
EP2318144A2 (en) * | 2008-08-01 | 2011-05-11 | 3M Innovative Properties Company | Apparatus, system, and method for enhancing air purification efficiency |
US20140102295A1 (en) * | 2011-05-24 | 2014-04-17 | Carrier Corporation | Current monitoring in electrically enhanced air filtration system |
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US7025806B2 (en) * | 2003-11-25 | 2006-04-11 | Stri{dot over (o)}nAir, Inc. | Electrically enhanced air filtration with improved efficacy |
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Also Published As
Publication number | Publication date |
---|---|
EP1691930A1 (en) | 2006-08-23 |
CN1886199A (en) | 2006-12-27 |
US20060180023A1 (en) | 2006-08-17 |
US7025806B2 (en) | 2006-04-11 |
EP1691930B1 (en) | 2013-12-25 |
US7513933B2 (en) | 2009-04-07 |
CN103418191B (en) | 2016-08-10 |
CN103418191A (en) | 2013-12-04 |
CA2545965C (en) | 2011-08-02 |
JP4927558B2 (en) | 2012-05-09 |
JP2007512131A (en) | 2007-05-17 |
US20050109204A1 (en) | 2005-05-26 |
EP1691930A4 (en) | 2008-08-27 |
CA2545965A1 (en) | 2005-07-07 |
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