DE102005054273A1 - Filter element for removing different sized particles from flowing fluid, contains porous filter material(s) with locally increasing or decreasing pore size - Google Patents

Filter element for removing different sized particles from flowing fluid, contains porous filter material(s) with locally increasing or decreasing pore size Download PDF

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Publication number
DE102005054273A1
DE102005054273A1 DE200510054273 DE102005054273A DE102005054273A1 DE 102005054273 A1 DE102005054273 A1 DE 102005054273A1 DE 200510054273 DE200510054273 DE 200510054273 DE 102005054273 A DE102005054273 A DE 102005054273A DE 102005054273 A1 DE102005054273 A1 DE 102005054273A1
Authority
DE
Germany
Prior art keywords
pore size
different sized
sized particles
flowing fluid
filter material
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.)
Withdrawn
Application number
DE200510054273
Other languages
German (de)
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.)
Carl Freudenberg KG
Original Assignee
Carl Freudenberg KG
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 Carl Freudenberg KG filed Critical Carl Freudenberg KG
Priority to DE200510054273 priority Critical patent/DE102005054273A1/en
Publication of DE102005054273A1 publication Critical patent/DE102005054273A1/en
Withdrawn legal-status Critical Current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
    • B01D46/0027—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
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
    • B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
    • B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1607—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous
    • B01D39/1623—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being fibrous of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1669—Cellular material
    • B01D39/1676—Cellular material of synthetic origin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/18—Filters characterised by the openings or pores
    • B01D2201/188—Multiple filtering elements having filtering areas of different size
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0435—Electret
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • 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
    • B01D2275/30—Porosity of filtering material
    • 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
    • B01D2275/40—Porous blocks

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filtering Materials (AREA)

Abstract

In a filter element with a basic structure (1) containing at least one filter material interrupted by through-flow and/or cut-out regions (3) in the material structure, the filter material is porous and has a pore size which locally increases or decreases in at least one direction.
DE200510054273 2005-11-11 2005-11-11 Filter element for removing different sized particles from flowing fluid, contains porous filter material(s) with locally increasing or decreasing pore size Withdrawn DE102005054273A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200510054273 DE102005054273A1 (en) 2005-11-11 2005-11-11 Filter element for removing different sized particles from flowing fluid, contains porous filter material(s) with locally increasing or decreasing pore size

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200510054273 DE102005054273A1 (en) 2005-11-11 2005-11-11 Filter element for removing different sized particles from flowing fluid, contains porous filter material(s) with locally increasing or decreasing pore size

Publications (1)

Publication Number Publication Date
DE102005054273A1 true DE102005054273A1 (en) 2007-05-16

Family

ID=37982694

Family Applications (1)

Application Number Title Priority Date Filing Date
DE200510054273 Withdrawn DE102005054273A1 (en) 2005-11-11 2005-11-11 Filter element for removing different sized particles from flowing fluid, contains porous filter material(s) with locally increasing or decreasing pore size

Country Status (1)

Country Link
DE (1) DE102005054273A1 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006017102U1 (en) * 2006-11-07 2008-03-20 Mann+Hummel Gmbh Filter device, in particular for the filtration of gases or liquids in vehicles
DE202006020791U1 (en) 2006-10-18 2010-03-11 Carl Freudenberg Kg Layer for making a cleaning product, hygiene product or medical product
WO2011086016A1 (en) 2010-01-12 2011-07-21 Alfred Kärcher Gmbh & Co. Kg Vacuum cleaner filter
AT511606A4 (en) * 2012-01-27 2013-01-15 Ift Gmbh FILTER SYSTEM
WO2013068073A1 (en) * 2011-11-08 2013-05-16 Hydac Filtertechnik Gmbh Filter surface element for forming a prefilter layer of a multilayer filter medium
DE102012005630A1 (en) 2012-03-22 2013-09-26 Mann + Hummel Gmbh Method for manufacturing filter element e.g. urea solution filter used for exhaust gas recirculation system, has pore structures which are fixed to filter material along fluid flow direction by using integrated impregnation
DE102012017972A1 (en) * 2012-09-12 2014-03-13 Sartorius Stedim Biotech Gmbh combifilter
DE102020122630A1 (en) 2020-08-31 2022-03-03 Miele & Cie. Kg vacuum cleaner
IT202200007031A1 (en) * 2022-04-08 2023-10-08 Ufi Innovation Ct Srl FILTER ASSEMBLY
WO2023208838A1 (en) * 2022-04-26 2023-11-02 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Oil storage and oil filtration device, gearbox, and use of an oil storage and oil filtration device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389435A (en) * 1942-07-09 1945-11-20 Electrolux Corp Filter material
US2847086A (en) * 1953-08-04 1958-08-12 Muller Paul Adolf Filtering material
US4921512A (en) * 1989-03-30 1990-05-01 American Optical Corporation Filter element
DE69316647T2 (en) * 1992-10-29 1998-07-09 Cuno Inc FILTER ELEMENT AND METHOD FOR THE PRODUCTION THEREOF
WO2000006284A1 (en) * 1998-07-29 2000-02-10 The Dow Chemical Company Extruded thermoplastic foams useful in filtration applications
US6183536B1 (en) * 1998-05-11 2001-02-06 Airflo Europe, N.V. Enhanced performance vacuum cleaner bag and method of operation
JP2003047809A (en) * 2001-08-01 2003-02-18 Pall Corp Filter element
WO2004037387A2 (en) * 2002-10-24 2004-05-06 Bayer Charlene W Filters and methods of making and using the same
JP2005279594A (en) * 2004-03-30 2005-10-13 Nippon Muki Co Ltd Air filter medium and air filter using the same
DE69806635T2 (en) * 1997-12-01 2005-10-13 Minnesota Mining And Manufacturing Co., St. Paul ABSORBENT PARTICLES CONTAINING SHAPED RESIN MASK

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2389435A (en) * 1942-07-09 1945-11-20 Electrolux Corp Filter material
US2847086A (en) * 1953-08-04 1958-08-12 Muller Paul Adolf Filtering material
US4921512A (en) * 1989-03-30 1990-05-01 American Optical Corporation Filter element
DE69316647T2 (en) * 1992-10-29 1998-07-09 Cuno Inc FILTER ELEMENT AND METHOD FOR THE PRODUCTION THEREOF
DE69806635T2 (en) * 1997-12-01 2005-10-13 Minnesota Mining And Manufacturing Co., St. Paul ABSORBENT PARTICLES CONTAINING SHAPED RESIN MASK
US6183536B1 (en) * 1998-05-11 2001-02-06 Airflo Europe, N.V. Enhanced performance vacuum cleaner bag and method of operation
WO2000006284A1 (en) * 1998-07-29 2000-02-10 The Dow Chemical Company Extruded thermoplastic foams useful in filtration applications
JP2003047809A (en) * 2001-08-01 2003-02-18 Pall Corp Filter element
WO2004037387A2 (en) * 2002-10-24 2004-05-06 Bayer Charlene W Filters and methods of making and using the same
JP2005279594A (en) * 2004-03-30 2005-10-13 Nippon Muki Co Ltd Air filter medium and air filter using the same

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006020791U1 (en) 2006-10-18 2010-03-11 Carl Freudenberg Kg Layer for making a cleaning product, hygiene product or medical product
DE202006017102U1 (en) * 2006-11-07 2008-03-20 Mann+Hummel Gmbh Filter device, in particular for the filtration of gases or liquids in vehicles
WO2011086016A1 (en) 2010-01-12 2011-07-21 Alfred Kärcher Gmbh & Co. Kg Vacuum cleaner filter
EP2606797A1 (en) * 2010-01-12 2013-06-26 Alfred Kärcher GmbH & Co. KG wet / dry cleaner filter
WO2013068073A1 (en) * 2011-11-08 2013-05-16 Hydac Filtertechnik Gmbh Filter surface element for forming a prefilter layer of a multilayer filter medium
AT511606A4 (en) * 2012-01-27 2013-01-15 Ift Gmbh FILTER SYSTEM
AT511606B1 (en) * 2012-01-27 2013-01-15 Ift Gmbh FILTER SYSTEM
DE102012005630A1 (en) 2012-03-22 2013-09-26 Mann + Hummel Gmbh Method for manufacturing filter element e.g. urea solution filter used for exhaust gas recirculation system, has pore structures which are fixed to filter material along fluid flow direction by using integrated impregnation
DE102012017972A1 (en) * 2012-09-12 2014-03-13 Sartorius Stedim Biotech Gmbh combifilter
DE102012017972B4 (en) * 2012-09-12 2017-06-22 Sartorius Stedim Biotech Gmbh combifilter
DE102020122630A1 (en) 2020-08-31 2022-03-03 Miele & Cie. Kg vacuum cleaner
IT202200007031A1 (en) * 2022-04-08 2023-10-08 Ufi Innovation Ct Srl FILTER ASSEMBLY
WO2023194930A1 (en) * 2022-04-08 2023-10-12 Ufi Innovation Center S.R.L. Filter group
WO2023208838A1 (en) * 2022-04-26 2023-11-02 Ibs Filtran Kunststoff-/ Metallerzeugnisse Gmbh Oil storage and oil filtration device, gearbox, and use of an oil storage and oil filtration device

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8139 Disposal/non-payment of the annual fee