BR0008591A - Elemento filtrante, unidade de cartucho e método de formação de um elemento filtrante - Google Patents

Elemento filtrante, unidade de cartucho e método de formação de um elemento filtrante

Info

Publication number
BR0008591A
BR0008591A BR0008591-0A BR0008591A BR0008591A BR 0008591 A BR0008591 A BR 0008591A BR 0008591 A BR0008591 A BR 0008591A BR 0008591 A BR0008591 A BR 0008591A
Authority
BR
Brazil
Prior art keywords
filter element
pleats
pleat
radial height
primary
Prior art date
Application number
BR0008591-0A
Other languages
English (en)
Inventor
Daniel K Olsen
Original Assignee
Cuno Inc
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 Cuno Inc filed Critical Cuno Inc
Publication of BR0008591A publication Critical patent/BR0008591A/pt

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
    • B01D46/522—Particle separators, e.g. dust precipitators, using filters embodying folded corrugated or wound sheet material using folded, pleated material with specific folds, e.g. having different lengths
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D27/00—Cartridge filters of the throw-away type
    • B01D27/04—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper
    • B01D27/06—Cartridge filters of the throw-away type with cartridges made of a piece of unitary material, e.g. filter paper with corrugated, folded or wound material
    • 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
    • B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111—Making filtering elements
    • 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
    • B01D29/11—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 bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/13—Supported filter elements
    • B01D29/15—Supported filter elements arranged for inward flow filtration
    • B01D29/21—Supported filter elements arranged for inward flow filtration with corrugated, folded or wound sheets
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2201/00—Details relating to filtering apparatus
    • B01D2201/04—Supports for the filtering elements
    • B01D2201/0407—Perforated supports on both sides of the filtering element
    • 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
    • B01D2201/122—Pleated filters with pleats of different length
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
  • Filtration Of Liquid (AREA)
  • Filtering Materials (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)

Abstract

"ELEMENTO FILTRANTE; UNIDADE DE CARTUCHO E MéTODO DE FORMAçãO DE UM ELEMENTO FILTRANTE". Um elemento filtrante (10) de acordo com a presente invenção inclui uma pluralidade de pregas estendendo-se longitudinalmente, as quais incluem pregas primárias (P) radiando-se para fora e pregas secundárias (s) radiando-se para dentro, sendo pelo menos uma prega secundária posicionada entre duas pregas primárias adjacentes. Cada prega primária (P) possui uma altura radial predeterminada (H), e cada prega secundária (s) possui uma altura radial (h) que é menor que a altura radial de cada prega primária e diferente da altura radial de pelo menos uma outra prega secundária. Um elemento filtrante (10) de acordo com a presente invenção provê maior área de filtração, uma densidade de filtração geral aumentada e acesso a mais caminhos de fluxo radial no diâmetro externo do elemento filtrante.
BR0008591-0A 1999-01-07 2000-01-07 Elemento filtrante, unidade de cartucho e método de formação de um elemento filtrante BR0008591A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11502499P 1999-01-07 1999-01-07
PCT/US2000/000438 WO2000040319A1 (en) 1999-01-07 2000-01-07 Pleated filter element and method of forming a pleated filter element

Publications (1)

Publication Number Publication Date
BR0008591A true BR0008591A (pt) 2002-10-08

Family

ID=22358877

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0008591-0A BR0008591A (pt) 1999-01-07 2000-01-07 Elemento filtrante, unidade de cartucho e método de formação de um elemento filtrante

Country Status (7)

Country Link
US (1) US6315130B1 (pt)
EP (1) EP1140319B1 (pt)
JP (2) JP5042408B2 (pt)
AU (1) AU765826B2 (pt)
BR (1) BR0008591A (pt)
DE (1) DE60021055T2 (pt)
WO (1) WO2000040319A1 (pt)

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Also Published As

Publication number Publication date
AU2496000A (en) 2000-07-24
DE60021055D1 (de) 2005-08-04
US6315130B1 (en) 2001-11-13
DE60021055T2 (de) 2006-04-27
AU765826B2 (en) 2003-10-02
EP1140319B1 (en) 2005-06-29
WO2000040319A1 (en) 2000-07-13
JP2002534243A (ja) 2002-10-15
EP1140319A1 (en) 2001-10-10
JP2010110760A (ja) 2010-05-20
JP5042408B2 (ja) 2012-10-03

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Legal Events

Date Code Title Description
B25A Requested transfer of rights approved

Owner name: 3M INNOVATIVE PROPERTIES COMPANY (US)

Free format text: TRANSFERIDO DE: CUNO INCORPORATED

B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.