BRPI0906296A2 - Dispositivo de filtração de ar. - Google Patents

Dispositivo de filtração de ar.

Info

Publication number
BRPI0906296A2
BRPI0906296A2 BRPI0906296-3A BRPI0906296A BRPI0906296A2 BR PI0906296 A2 BRPI0906296 A2 BR PI0906296A2 BR PI0906296 A BRPI0906296 A BR PI0906296A BR PI0906296 A2 BRPI0906296 A2 BR PI0906296A2
Authority
BR
Brazil
Prior art keywords
filtration device
air filtration
air
filtration
Prior art date
Application number
BRPI0906296-3A
Other languages
English (en)
Inventor
Pierre Lagare
Andrew Murphy
Gary E Dwyer
Simon J Smith
Original Assignee
3M Innovative Properties Co
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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of BRPI0906296A2 publication Critical patent/BRPI0906296A2/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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/103—Curved filtering elements
    • 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
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
    • A62B18/02—Masks
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B23/00—Filters for breathing-protection purposes
    • A62B23/02—Filters for breathing-protection purposes for respirators
    • 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
    • B01D46/0039—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices
    • B01D46/0047—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with flow guiding by feed or discharge devices for discharging the filtered gas
    • 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
    • B01D46/30—Particle separators, e.g. dust precipitators, using loose filtering material
    • 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
    • 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
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/08—Mobile separation devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2258/00—Sources of waste gases
    • B01D2258/06—Polluted air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2259/00—Type of treatment
    • B01D2259/45—Gas separation or purification devices adapted for specific applications
    • B01D2259/4541—Gas separation or purification devices adapted for specific applications for portable use, e.g. gas masks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2273/00—Operation of filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2273/30—Means for generating a circulation of a fluid in a filtration system, e.g. using a pump or a fan

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Pulmonology (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
BRPI0906296-3A 2008-04-04 2009-03-26 Dispositivo de filtração de ar. BRPI0906296A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US4229908P 2008-04-04 2008-04-04
PCT/US2009/038371 WO2009145992A1 (en) 2008-04-04 2009-03-26 Air filtration device

Publications (1)

Publication Number Publication Date
BRPI0906296A2 true BRPI0906296A2 (pt) 2015-07-07

Family

ID=41377465

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0906296-3A BRPI0906296A2 (pt) 2008-04-04 2009-03-26 Dispositivo de filtração de ar.

Country Status (10)

Country Link
US (1) US9744493B2 (pt)
EP (1) EP2274067B1 (pt)
JP (2) JP2011518035A (pt)
KR (1) KR20110004412A (pt)
CN (2) CN102026700A (pt)
AU (1) AU2009251721B2 (pt)
BR (1) BRPI0906296A2 (pt)
CA (1) CA2720226C (pt)
RU (1) RU2458729C2 (pt)
WO (1) WO2009145992A1 (pt)

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WO2009145992A9 (en) 2010-02-11
AU2009251721A1 (en) 2009-12-03
JP6140588B2 (ja) 2017-05-31
EP2274067A4 (en) 2016-11-16
CA2720226C (en) 2017-09-19
JP2011518035A (ja) 2011-06-23
CN105413324A (zh) 2016-03-23
JP2014050836A (ja) 2014-03-20
CA2720226A1 (en) 2009-12-03
KR20110004412A (ko) 2011-01-13
WO2009145992A1 (en) 2009-12-03
AU2009251721B2 (en) 2012-05-03
RU2458729C2 (ru) 2012-08-20
CN105413324B (zh) 2017-12-22
EP2274067B1 (en) 2025-05-28
RU2010140084A (ru) 2012-05-20
CN102026700A (zh) 2011-04-20
US9744493B2 (en) 2017-08-29
US20110126713A1 (en) 2011-06-02

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