ZA792574B - Air filters - Google Patents

Air filters

Info

Publication number
ZA792574B
ZA792574B ZA792574A ZA792574A ZA792574B ZA 792574 B ZA792574 B ZA 792574B ZA 792574 A ZA792574 A ZA 792574A ZA 792574 A ZA792574 A ZA 792574A ZA 792574 B ZA792574 B ZA 792574B
Authority
ZA
South Africa
Prior art keywords
air filters
filters
air
Prior art date
Application number
ZA792574A
Other languages
English (en)
Inventor
R Barrington
Original Assignee
Engineering Components Ltd
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 Engineering Components Ltd filed Critical Engineering Components Ltd
Publication of ZA792574B publication Critical patent/ZA792574B/xx

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
    • B01D46/52—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
    • 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
    • B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
    • B01D46/2403—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies characterised by the physical shape or structure of the filtering element
    • B01D46/2411—Filter cartridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F02M35/024—Air cleaners using filters, e.g. moistened
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/12—Pleated filters
    • B01D2201/127—Pleated filters with means for keeping the spacing between the pleats
    • 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
    • B01D2275/201—Conical shape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/60—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for the intake of internal combustion engines or turbines

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtering Materials (AREA)
  • Filtration Of Liquid (AREA)
ZA792574A 1978-05-31 1979-05-25 Air filters ZA792574B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25329/78A GB1604979A (en) 1978-05-31 1978-05-31 Air filters

Publications (1)

Publication Number Publication Date
ZA792574B true ZA792574B (en) 1980-06-25

Family

ID=10225924

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA792574A ZA792574B (en) 1978-05-31 1979-05-25 Air filters

Country Status (10)

Country Link
US (1) US4268290A (xx)
JP (1) JPS5518293A (xx)
AU (1) AU531611B2 (xx)
DE (1) DE2922237A1 (xx)
ES (1) ES251146Y (xx)
FR (1) FR2427123A1 (xx)
GB (1) GB1604979A (xx)
IT (1) IT1117770B (xx)
SE (1) SE449019B (xx)
ZA (1) ZA792574B (xx)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452619A (en) * 1982-06-18 1984-06-05 Donaldson Company, Inc. Pleated filter element having integral pleat spacers
US4615804A (en) * 1984-08-30 1986-10-07 Donaldson Company, Inc. High density pleat spacing and scoring tool and filter made therewith
DE3513062A1 (de) * 1985-04-12 1986-10-23 REHAU AG + Co, 8673 Rehau Fluessigkeitsfilter
US5053131A (en) * 1989-02-08 1991-10-01 Lippold Hans Joachim Filter cartridge
DE3903698A1 (de) * 1989-02-08 1990-08-09 Lippold Hans Joachim Dr Rer Na Filtereinsatz
US5028331A (en) * 1989-02-08 1991-07-02 Lippold Hans Joachim Filter cartridge
US5066319A (en) * 1989-02-08 1991-11-19 Lippold Hans Joachim Filter cartridge
DE3916838A1 (de) * 1989-05-19 1990-11-22 Lippold Hans Joachim Filtereinsatz
DE4004079A1 (de) * 1990-02-08 1991-08-14 Lippold Hans Joachim Filtereinsatz
US5066400A (en) * 1990-10-09 1991-11-19 Donaldson Company, Inc. Self-spaced pleated filter
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
US5346519A (en) * 1993-04-27 1994-09-13 Pneumafil Corporation Filter media construction
AU1381395A (en) * 1993-12-30 1995-07-17 Detroit Holding Limited Filter insert and process for producing the same
DE19735993A1 (de) * 1997-08-19 1999-02-25 Mann & Hummel Filter Filterelement, insbesondere zur Flüssigkeitsfilterung
FR2774925B3 (fr) * 1998-02-17 2000-04-14 Filtrauto Cartouche de filtration, notamment pour moteur a combustion interne
US6165242A (en) * 1999-03-27 2000-12-26 Aaf International, Inc Pleated filter media with crest spacers and method of making
US6165241A (en) * 1999-03-27 2000-12-26 Aaf International, Inc. Pleated filter media with strip spacers and method of making
WO2002055179A1 (de) * 2001-01-12 2002-07-18 Werner Frei Herstellungsverfahren für plissierbare filter und verfahrenserzeugnisse
US6824581B1 (en) * 2001-05-01 2004-11-30 Dana Corporation Pleated filter media with embossed spacers and cross flow
US6997969B1 (en) * 2003-07-17 2006-02-14 Lpd Technologies Filter material and method
JP4572585B2 (ja) 2004-06-03 2010-11-04 トヨタ紡織株式会社 積層フィルタの製造方法
US7425227B1 (en) 2004-06-17 2008-09-16 Wix Filtration Corp Llc Pleated filter element with offset emboss pattern
DE102004037706A1 (de) * 2004-08-04 2006-03-16 Purem Abgassysteme Gmbh & Co. Kg Filterplatte für einen Partikelfilter
US7323105B1 (en) * 2004-08-11 2008-01-29 Fleetguard, Inc. High capacity direct flow filter with maintained channel width
DE102004054158A1 (de) * 2004-11-10 2006-05-11 Purem Abgassysteme Gmbh & Co. Kg Filterplatte für einen Partikelfilter
US9672947B2 (en) * 2004-11-15 2017-06-06 Atomic Energy Of Canada Limited Finned strainer
US20060151383A1 (en) * 2005-01-12 2006-07-13 Aaf-Mcquay Inc. Pleated corrugated media and method of making
US7625418B1 (en) * 2005-06-08 2009-12-01 Aaf-Mcquay, Inc. Spacer arrangement for pleated filter
US8142534B2 (en) * 2006-12-20 2012-03-27 Tk Holdings, Inc. Gas generating system
US7959702B2 (en) 2007-02-02 2011-06-14 Donaldson Company, Inc. Air filtration media pack, filter element, air filtration media, and methods
WO2009003119A1 (en) 2007-06-26 2008-12-31 Donaldson Company, Inc. Filtration media pack, filter elements, and methods
BRPI0907653B1 (pt) 2008-02-04 2019-07-02 Donaldson Company, Inc Método para formar meios de filtração encanelados
US9084957B2 (en) 2008-07-25 2015-07-21 Donaldson Company, Inc. Pleated filtration media, media packs, filter elements, and methods for filtering fluids
MX2012001455A (es) 2009-08-03 2012-05-08 Donaldson Co Inc Metodo y aparato para formar un medio de filtracion acanalado que tiene acanaladuras progresivas.
EP3950092B1 (en) * 2010-01-25 2023-05-10 Donaldson Company, Inc. Pleated filtration media having tapered flutes
JP5602521B2 (ja) * 2010-07-02 2014-10-08 ニッタ株式会社 エアフィルタ挿入体
JP6619419B2 (ja) 2014-08-01 2019-12-11 ドナルドソン カンパニー，インコーポレイティド ろ材、プリーツ状媒介材料パック、フィルタカートリッジ、および作製方法
WO2016077338A1 (en) 2014-11-10 2016-05-19 Donaldson Company, Inc. Filtration media, filter packs, and filter elements with protrusions
AU2016308653B2 (en) 2015-08-17 2022-03-17 Parker-Hannifin Corporation Filter media packs, methods of making and filter media presses
US11278833B2 (en) 2015-08-17 2022-03-22 Parker-Hamilton Corporation Filter media packs, methods of making, and ultrasonic cutting or welding
CN110167654B (zh) * 2016-06-24 2022-08-26 K&N工程公司 复合式空气过滤器
JP6399069B2 (ja) * 2016-09-30 2018-10-03 ダイキン工業株式会社 エアフィルタ濾材、エアフィルタパック、およびエアフィルタユニット
US11439943B2 (en) 2016-10-20 2022-09-13 Cummins Filtration Ip, Inc. Interrupted, directional emboss of flat sheet
CN110072605B (zh) 2016-12-15 2021-11-23 康明斯滤清系统知识产权公司 四面体过滤器介质
EP4295938A1 (en) 2017-02-16 2023-12-27 Parker Hannifin Corp. Filter media packs, methods of making, and ultrasonic cutting or welding
EP3773985A1 (en) 2018-04-09 2021-02-17 Donaldson Company, Inc. Filter element with fluted filter media
US20200078718A1 (en) 2018-09-07 2020-03-12 Parker-Hannifin Corporation Air filter media manufacturing process and tooling for same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2936855A (en) * 1957-10-23 1960-05-17 Gen Motors Corp Pleated filter and mechanism for forming same
GB875676A (en) * 1958-05-12 1961-08-23 Gen Motors Ltd Improvements in or relating to filters for gases
US3531920A (en) * 1968-09-16 1970-10-06 Cambridge Filter Corp Filter
DE2034669A1 (de) * 1970-07-13 1972-01-27 Purolator Filter GmbH, 7110 Ohringen Filter mit einem zickzackförmig gefaltetem Filterpapierstreifen
GB1426173A (en) * 1972-03-11 1976-02-25 Gen Motors Ltd Fluid filter elements
US3849314A (en) * 1973-06-21 1974-11-19 Marvel Eng Co Filter media inserts
CA1069001A (en) * 1976-09-03 1980-01-01 Frederick E. Schuler Air cleaner with integral louvered precleaner

Also Published As

Publication number Publication date
GB1604979A (en) 1981-12-16
FR2427123A1 (fr) 1979-12-28
AU4754379A (en) 1979-12-06
IT1117770B (it) 1986-02-24
FR2427123B1 (xx) 1984-11-23
ES251146U (es) 1980-09-16
US4268290A (en) 1981-05-19
IT7949248A0 (it) 1979-05-30
JPS5518293A (en) 1980-02-08
DE2922237A1 (de) 1979-12-06
AU531611B2 (en) 1983-09-01
SE449019B (sv) 1987-03-30
ES251146Y (es) 1981-03-16
SE7904736L (sv) 1979-12-01

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