GB2048110B - Air filter element - Google Patents

Air filter element

Info

Publication number
GB2048110B
GB2048110B GB7928093A GB7928093A GB2048110B GB 2048110 B GB2048110 B GB 2048110B GB 7928093 A GB7928093 A GB 7928093A GB 7928093 A GB7928093 A GB 7928093A GB 2048110 B GB2048110 B GB 2048110B
Authority
GB
United Kingdom
Prior art keywords
filter element
air filter
air
filter
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
Application number
GB7928093A
Other languages
English (en)
Other versions
GB2048110A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitta Corp
Original Assignee
Nitta Belt KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nitta Belt KK filed Critical Nitta Belt KK
Publication of GB2048110A publication Critical patent/GB2048110A/en
Application granted granted Critical
Publication of GB2048110B publication Critical patent/GB2048110B/en
Expired legal-status Critical Current

Links

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
    • B01D46/10—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
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
    • B01D46/0032—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions using electrostatic forces to remove particles, e.g. electret filters
    • 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
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B01D46/121—V-type arrangements
    • 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
    • B01D46/52—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material
    • B01D46/521—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material
    • B01D46/523—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with means for maintaining spacing between the pleats or folds
    • 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
    • B03C3/28—Plant or installations without electricity supply, e.g. using electrets
    • 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
    • B01D2275/10—Multiple layers
    • 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
    • Y10S55/39—Electrets separator

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)
  • Electrostatic Separation (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
GB7928093A 1979-05-04 1979-08-13 Air filter element Expired GB2048110B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5497479A JPS5624013A (en) 1979-05-04 1979-05-04 Structure of air filter element

Publications (2)

Publication Number Publication Date
GB2048110A GB2048110A (en) 1980-12-10
GB2048110B true GB2048110B (en) 1983-04-20

Family

ID=12985618

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7928093A Expired GB2048110B (en) 1979-05-04 1979-08-13 Air filter element

Country Status (8)

Country Link
US (1) US4323374A (https=)
JP (1) JPS5624013A (https=)
CH (1) CH639568A5 (https=)
DE (1) DE2941094C2 (https=)
FR (1) FR2455477B1 (https=)
GB (1) GB2048110B (https=)
NL (1) NL7906208A (https=)
SE (1) SE437617B (https=)

Families Citing this family (91)

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JPS5916922A (ja) * 1982-07-16 1984-01-28 Kawasaki Heavy Ind Ltd 転炉排ガス処理装置に於けるガス冷却器の冷却水循環方法
JPS59134440A (ja) * 1983-01-21 1984-08-02 Hitachi Ltd 空気清浄機
DE3311863A1 (de) * 1983-03-31 1984-10-04 Ernst Dipl.-Ing. 8264 Waldkraiburg Turck Filterpatrone fuer filterapparate
JPS605416U (ja) * 1983-06-24 1985-01-16 ミドリ安全株式会社 エア−クリ−ナ用フイルタ
JPS60196921A (ja) * 1984-03-19 1985-10-05 東洋紡績株式会社 エレクトレツト化材料の製造法
JPH0326902Y2 (https=) * 1984-11-28 1991-06-11
JPS61204052A (ja) * 1985-03-08 1986-09-10 Toray Ind Inc 新規な濾過特性を有するエア−フイルタ−
JPH0747098B2 (ja) * 1985-10-08 1995-05-24 東洋紡績株式会社 濾 材
JPS62213818A (ja) * 1986-03-12 1987-09-19 Nippon Spindle Mfg Co Ltd エアフイルタ用濾材
JPS62210026A (ja) * 1986-03-12 1987-09-16 Toray Ind Inc 掃除機フイルタ
US4737169A (en) * 1986-04-22 1988-04-12 Bossard Peter R Electrostatic filter
JPS6320927U (https=) * 1986-07-21 1988-02-12
US5021831A (en) * 1986-12-16 1991-06-04 Fujitsu Limited Filter for removing smoke and toner dust used in electrophotographic/electrostatic recording apparatus
US4938786A (en) * 1986-12-16 1990-07-03 Fujitsu Limited Filter for removing smoke and toner dust in electrophotographic/electrostatic recording apparatus
JPH0729010B2 (ja) * 1986-12-16 1995-04-05 富士通株式会社 電子写真装置
JPS6444073U (https=) * 1987-09-09 1989-03-16
JPS6444074U (https=) * 1987-09-09 1989-03-16
DE3731575A1 (de) * 1987-09-19 1989-03-30 Freudenberg Carl Fa Filterpack
JPH01155920A (ja) * 1987-12-10 1989-06-19 Toray Ind Inc フィルターエレメント
JPH01168364A (ja) * 1987-12-24 1989-07-03 Toray Ind Inc 濾過方法
US4874399A (en) * 1988-01-25 1989-10-17 Minnesota Mining And Manufacturing Company Electret filter made of fibers containing polypropylene and poly(4-methyl-1-pentene)
JP2750694B2 (ja) * 1988-04-13 1998-05-13 株式会社荏原製作所 気体の清浄方法及びその装置
US4902306A (en) * 1988-08-09 1990-02-20 Air Purification Products International, Inc. Dual-dipole electrostatic air filter
JPH0291611U (https=) * 1988-12-29 1990-07-20
US5098767A (en) * 1989-02-15 1992-03-24 Pall Corporation Filter device with micropleats and macropleats
DE59000667D1 (de) * 1989-02-16 1993-02-11 Sandler Helmut Helsa Werke Filter, insbesondere fuer ein fahrzeug.
JP2788976B2 (ja) * 1989-04-26 1998-08-20 ジャパンゴアテック株式会社 フィルター材
US5540756A (en) * 1990-03-19 1996-07-30 Hoppitt; Bernard Electrostatic filter and method of filtering dust
GB9006146D0 (en) * 1990-03-19 1990-05-16 Wheway Plc Filter
KR940001414B1 (ko) * 1991-12-31 1994-02-23 삼성전자 주식회사 전기집진기
US5306321A (en) * 1992-07-07 1994-04-26 Donaldson Company, Inc. Layered air filter medium having improved efficiency and pleatability
US5427597A (en) * 1992-07-07 1995-06-27 Donaldson Company, Inc. Layered air filter medium having improved efficiency and pleatability
US5266090A (en) * 1992-09-21 1993-11-30 Dust Free, Inc. Multi-sided air filter with wraparound filter media
DE9216049U1 (de) * 1992-11-26 1993-01-14 Filterwerk Mann & Hummel Gmbh, 7140 Ludwigsburg Filter
US6169045B1 (en) 1993-11-16 2001-01-02 Kimberly-Clark Worldwide, Inc. Nonwoven filter media
US5772738A (en) * 1993-11-30 1998-06-30 Purex Co., Ltd. Multifunctional air filter and air-circulating clean unit with the same incorporated therein
CA2124237C (en) * 1994-02-18 2004-11-02 Bernard Cohen Improved nonwoven barrier and method of making the same
US5582632A (en) * 1994-05-11 1996-12-10 Kimberly-Clark Corporation Corona-assisted electrostatic filtration apparatus and method
US5639287A (en) * 1994-05-16 1997-06-17 Minnesota Mining And Manufacturing Company Filter system for filtering fluids
DE4421859C2 (de) * 1994-06-22 1996-07-04 Gregory Kinteraya Filter zum Reinigen von Gasen, insbesondere zum Abfangen von hochdispersem Staub oder von Schwefeldioxid
CA2136576C (en) * 1994-06-27 2005-03-08 Bernard Cohen Improved nonwoven barrier and method of making the same
DE4432339C2 (de) * 1994-09-10 1998-10-08 Sandler Helmut Helsa Werke Filtereinrichtung
WO1996017569A2 (en) * 1994-12-08 1996-06-13 Kimberly-Clark Worldwide, Inc. Method of forming a particle size gradient in an absorbent article
CA2153278A1 (en) * 1994-12-30 1996-07-01 Bernard Cohen Nonwoven laminate barrier material
DE19502366C2 (de) * 1995-01-26 1998-02-26 Freudenberg Carl Fa Kassettenfilter
GB9510234D0 (en) * 1995-05-20 1995-07-19 Advanced Allergy Technologies Allergen particle exclusion and/or retention covering
ZA965786B (en) * 1995-07-19 1997-01-27 Kimberly Clark Co Nonwoven barrier and method of making the same
US5630866A (en) * 1995-07-28 1997-05-20 Gregg; Lloyd M. Static electricity exhaust treatment device
US5834384A (en) * 1995-11-28 1998-11-10 Kimberly-Clark Worldwide, Inc. Nonwoven webs with one or more surface treatments
US5690720A (en) * 1996-03-04 1997-11-25 Spero; Joel J. Aromatic air circulation and filtration system
US5704953A (en) * 1996-03-29 1998-01-06 Air Kontrol, Inc. Forced air system air filter
US5989303A (en) * 1996-08-19 1999-11-23 Hodge; Joseph Fan-fold filter for a forced air ventilation system
US6156089A (en) * 1996-11-27 2000-12-05 Air Kontrol, Inc. Two-stage air filter with multiple-layer stage and post-filter stage
US5871567A (en) * 1996-12-12 1999-02-16 Dana Corporation Dual Media air filter with electrostatic charge
US5874373A (en) * 1997-03-14 1999-02-23 American Felt & Filter Company Enhanced electret needled filtration media and composites
US5871836A (en) * 1997-08-27 1999-02-16 Airflo Europe N.V. Composite pleated fibrous structures containing split film fibers
US6537932B1 (en) 1997-10-31 2003-03-25 Kimberly-Clark Worldwide, Inc. Sterilization wrap, applications therefor, and method of sterilizing
US6365088B1 (en) 1998-06-26 2002-04-02 Kimberly-Clark Worldwide, Inc. Electret treatment of high loft and low density nonwoven webs
US6231646B1 (en) * 1999-03-11 2001-05-15 Chemco Manufacturing Company, Inc. Paint overspray exhaust air filter
DE19922326B4 (de) * 1999-05-14 2004-02-19 Mann + Hummel Gmbh Mehrlagiges Filtermedium
US6454839B1 (en) * 1999-10-19 2002-09-24 3M Innovative Properties Company Electrofiltration apparatus
KR100406313B1 (ko) * 2002-01-16 2003-11-19 김규섭 여과지 교환형 집진기 필터
US6656243B2 (en) 2002-02-06 2003-12-02 Joseph Hodge Filtered air vent
JP2003311180A (ja) * 2002-04-23 2003-11-05 Toyobo Co Ltd エレクトレット濾過材およびその製造方法
US6811588B2 (en) * 2002-11-01 2004-11-02 Advanced Flow Engineering, Inc. High capacity hybrid multi-layer automotive air filter
US6988807B2 (en) * 2003-02-07 2006-01-24 Belliveau Richard S Theatrical fog particle protection system for image projection lighting devices
US7329308B2 (en) * 2003-07-09 2008-02-12 Entegris, Inc. Air handling and chemical filtration system and method
US7097694B1 (en) 2003-12-04 2006-08-29 Fleetguard, Inc. High performance, high efficiency filter
US7413586B2 (en) * 2004-02-27 2008-08-19 Intel Corporation In-tool and out-of-tool protection of extreme ultraviolet (EUV) reticles
DE102004042730B4 (de) * 2004-05-21 2008-07-31 Robert Bosch Gmbh Filtereinrichtung, insbesondere für ein Abgassystem einer Brennkraftmaschine
WO2006096180A1 (en) * 2005-03-07 2006-09-14 Gore Enterprise Holdings, Inc. Composite filter media
ITRE20050140A1 (it) * 2005-12-13 2007-06-14 Ufi Filters Spa Metodo per la realizzazione di un setto filtrante comprendente uno strato di nanofibre associato a un substrato avente proprieta' filtranti
US7883572B2 (en) * 2006-01-12 2011-02-08 Camfil Ab Cleanable dust filter comprising a zigzag pleated filter pack
FI119280B (fi) 2006-05-18 2008-09-30 Valtion Teknillinen Suodatin ja uudet menetelmät
DE202006018863U1 (de) * 2006-12-12 2008-04-17 Mann+Hummel Gmbh Filterelement mit Aktivkohlebeschichtung
US7771517B2 (en) * 2007-05-14 2010-08-10 Global Finishing Solutions, L.L.C. Filtering method
US7951229B2 (en) * 2007-09-11 2011-05-31 Columbus Industries, Inc. Air filter formed from slit and expanded layers of electrostatically enhanced material
US7572976B1 (en) * 2008-02-06 2009-08-11 Victor Merrill Quick connect electrical box
JP5072708B2 (ja) * 2008-05-15 2012-11-14 ユニ・チャーム株式会社 マスク
US8105411B2 (en) * 2008-08-28 2012-01-31 Illinois Tool Works Inc. Fluid filter system and method
US9943796B2 (en) * 2009-03-26 2018-04-17 Columbus Industries, Inc. Multi layer pleatable filter medium
FR2962348B1 (fr) 2010-07-12 2012-09-07 Ind Du Ponant L Filtre microbicide et cartouche filtrante incorporant un tel filtre
US8677966B2 (en) 2011-01-20 2014-03-25 Advanced Flow Engineering, Inc. Air intake flow device and system
US8770764B2 (en) 2012-01-16 2014-07-08 Barco Lighting Systems, Inc. Programmable de-fogger system for a light projector
CN103505942A (zh) * 2013-09-30 2014-01-15 天津工业大学 一种纳米纤维过滤材料
EP3175902B1 (en) * 2014-07-30 2021-11-10 Japan Vilene Company, Ltd. Filtration material, filter element using same, and manufacturing method of filtration material
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MX2019000026A (es) * 2016-06-24 2019-10-30 K&N Eng Inc Filtros de aire compuestos y metodos de los mismos.
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DE102023135630A1 (de) * 2023-12-18 2025-06-18 Mahle International Gmbh Luftfiltereinheit sowie Verwendung der Luftfiltereinheit in einem Kraftfahrzeug

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US1883715A (en) * 1928-09-20 1932-10-18 Oscar V Greene Armored filter element
US2931748A (en) * 1955-03-24 1960-04-05 Muller Paul Adolf Crimped flat material for filter plugs for cigarettes
US2973830A (en) * 1958-10-16 1961-03-07 Purolator Products Inc Air cleaning means
GB900450A (en) * 1960-04-26 1962-07-04 Purolator Products Inc Gas filter element
US3073094A (en) * 1960-05-23 1963-01-15 Trion Inc Electrostatic filter panel
US3117849A (en) * 1961-08-22 1964-01-14 Kimberly Clark Co Air cleaner
US3242649A (en) * 1963-09-17 1966-03-29 American Air Filter Co Electrical gas cleaner
US3307332A (en) * 1964-12-11 1967-03-07 Du Pont Electrostatic gas filter
DE1507871A1 (de) * 1965-02-22 1970-01-15 Standard Filterbau Gmbh Taschenfilter
GB1135737A (https=) * 1965-10-23 1900-01-01
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GB1346231A (en) * 1970-06-29 1974-02-06 Bayer Ag Filter made of electrostatically spun fibres
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JPS5038169A (https=) * 1973-07-05 1975-04-09
CA1044615A (en) * 1974-01-30 1978-12-19 Minnesota Mining And Manufacturing Company Low pressure drop filter medium
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DE2412995A1 (de) * 1974-03-18 1975-10-02 Buderus Eisenwerk Luftfilter
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Also Published As

Publication number Publication date
GB2048110A (en) 1980-12-10
CH639568A5 (fr) 1983-11-30
NL7906208A (nl) 1980-11-06
DE2941094A1 (de) 1980-11-13
SE437617B (sv) 1985-03-11
FR2455477A1 (fr) 1980-11-28
FR2455477B1 (fr) 1987-06-19
JPS6322847B2 (https=) 1988-05-13
SE7907352L (sv) 1980-11-05
JPS5624013A (en) 1981-03-07
DE2941094C2 (de) 1986-01-30
US4323374A (en) 1982-04-06

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19920813