BR112012025178A2 - sistema de filtro que incluem sensores ópticos de analito - Google Patents

sistema de filtro que incluem sensores ópticos de analito

Info

Publication number
BR112012025178A2
BR112012025178A2 BR112012025178A BR112012025178A BR112012025178A2 BR 112012025178 A2 BR112012025178 A2 BR 112012025178A2 BR 112012025178 A BR112012025178 A BR 112012025178A BR 112012025178 A BR112012025178 A BR 112012025178A BR 112012025178 A2 BR112012025178 A2 BR 112012025178A2
Authority
BR
Brazil
Prior art keywords
optical
filter system
housing
filter
include optical
Prior art date
Application number
BR112012025178A
Other languages
English (en)
Portuguese (pt)
Inventor
Gary E Dwyer
Kiran S Kanukurthy
Neal A Rakow
Thomas W Holmquist-Brown
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 BR112012025178A2 publication Critical patent/BR112012025178A2/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
    • B01D46/0084—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours provided with safety means
    • B01D46/0086—Filter condition indicators
    • 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
    • A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
    • A62B18/088—Devices for indicating filter saturation
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B7/00—Respiratory apparatus
    • A62B7/10—Respiratory apparatus with filter elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143—Filter condition indicators
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G01N21/3151—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths using two sources of radiation of different wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/8806—Specially adapted optical and illumination features
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour
    • G01N21/783—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour for analysing gases

Landscapes

  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Emergency Management (AREA)
  • Business, Economics & Management (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Toxicology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)
BR112012025178A 2010-04-02 2011-03-29 sistema de filtro que incluem sensores ópticos de analito BR112012025178A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US32044010P 2010-04-02 2010-04-02
PCT/US2011/030257 WO2011123411A1 (en) 2010-04-02 2011-03-29 Filter systems including patterned optical analyte sensors and optical readers

Publications (1)

Publication Number Publication Date
BR112012025178A2 true BR112012025178A2 (pt) 2016-06-14

Family

ID=44712584

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012025178A BR112012025178A2 (pt) 2010-04-02 2011-03-29 sistema de filtro que incluem sensores ópticos de analito

Country Status (9)

Country Link
US (2) US8858692B2 (https=)
EP (1) EP2553438B1 (https=)
JP (1) JP5832514B2 (https=)
KR (1) KR20130014564A (https=)
CN (1) CN102803936B (https=)
AU (1) AU2011235311B2 (https=)
BR (1) BR112012025178A2 (https=)
RU (1) RU2513773C1 (https=)
WO (1) WO2011123411A1 (https=)

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CN109310894B (zh) * 2016-06-23 2021-03-05 3M创新有限公司 用于个人防护装备的利用反射材料的可见光透射物体的像素光学感测
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CN110608378A (zh) * 2018-06-14 2019-12-24 富泰华工业（深圳）有限公司 空气净化器呼吸灯
KR102196377B1 (ko) * 2019-03-14 2020-12-30 주식회사 메이킷올 기능 확장이 가능한 공기 정화 장치
WO2020207908A1 (en) * 2019-04-11 2020-10-15 Koninklijke Philips N.V. A particle sensing system for example for use in a pollution mask
RU2733699C1 (ru) * 2019-10-15 2020-10-06 Владимир Дмитриевич Романов Методика проведения испытаний средств защиты органов дыхания
USD1099291S1 (en) 2019-10-24 2025-10-21 Rpb Safety, Llc Powered air purifying respirator mount
USD968588S1 (en) 2019-10-24 2022-11-01 Rpb Safety, Llc Powered air purifying respirator main body
USD954252S1 (en) 2019-10-24 2022-06-07 Rpb Safety, Llc Powered air purifying respirator
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Also Published As

Publication number Publication date
EP2553438B1 (en) 2020-02-26
CN102803936B (zh) 2016-03-23
WO2011123411A1 (en) 2011-10-06
US20130186279A1 (en) 2013-07-25
JP5832514B2 (ja) 2015-12-16
JP2013527917A (ja) 2013-07-04
EP2553438A1 (en) 2013-02-06
US8858692B2 (en) 2014-10-14
RU2513773C1 (ru) 2014-04-20
CN102803936A (zh) 2012-11-28
AU2011235311B2 (en) 2013-09-26
KR20130014564A (ko) 2013-02-07
US9440176B2 (en) 2016-09-13
EP2553438A4 (en) 2016-11-16
AU2011235311A1 (en) 2012-10-18
US20140377135A1 (en) 2014-12-25

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B11B Dismissal acc. art. 36, par 1 of ipl - no reply within 90 days to fullfil the necessary requirements