CA2720226C - Air filtration device - Google Patents

Air filtration device Download PDF

Info

Publication number
CA2720226C
CA2720226C CA2720226A CA2720226A CA2720226C CA 2720226 C CA2720226 C CA 2720226C CA 2720226 A CA2720226 A CA 2720226A CA 2720226 A CA2720226 A CA 2720226A CA 2720226 C CA2720226 C CA 2720226C
Authority
CA
Canada
Prior art keywords
filter
filtering device
air filtering
bed
cartridge
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.)
Expired - Fee Related
Application number
CA2720226A
Other languages
English (en)
French (fr)
Other versions
CA2720226A1 (en
Inventor
Pierre Legare
Gary E. Dwyer
Andrew Murphy
Simon J. Smith
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.)
3M Innovative Properties Co
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 CA2720226A1 publication Critical patent/CA2720226A1/en
Application granted granted Critical
Publication of CA2720226C publication Critical patent/CA2720226C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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)
CA2720226A 2008-04-04 2009-03-26 Air filtration device Expired - Fee Related CA2720226C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US4229908P 2008-04-04 2008-04-04
US61/042,299 2008-04-04
PCT/US2009/038371 WO2009145992A1 (en) 2008-04-04 2009-03-26 Air filtration device

Publications (2)

Publication Number Publication Date
CA2720226A1 CA2720226A1 (en) 2009-12-03
CA2720226C true CA2720226C (en) 2017-09-19

Family

ID=41377465

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2720226A Expired - Fee Related CA2720226C (en) 2008-04-04 2009-03-26 Air filtration device

Country Status (10)

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

Families Citing this family (87)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5937585B2 (ja) * 2010-06-28 2016-06-22 エミテック ゲゼルシヤフト フユア エミツシオンステクノロギー ミツト ベシユレンクテル ハフツング 排ガス再循環システムにおける粒子堆積のための装置
IL214041A0 (en) * 2011-07-12 2011-08-31 Yarok Bair Prot Ind Ltd Carbon filter device and air filter apparatus
DE102011056889B3 (de) * 2011-12-22 2013-03-07 Yit Germany Gmbh Filtervorrichtung zur Filtration eines mit Aerosolen und/oder gasförmigem Jod beladenen Gasstroms
DE102012000490A1 (de) * 2012-01-13 2013-07-18 Mann + Hummel Gmbh Luftfilterelement und Luftfilter
USD690414S1 (en) * 2012-02-15 2013-09-24 3M Innovative Properties Company Powered air purifying respirator (PAPR) having control panel
USD710304S1 (en) 2012-02-15 2014-08-05 3M Innovative Properties Company Battery pack for powered air purifying respirator (PAPR)
USD681190S1 (en) 2012-02-15 2013-04-30 3M Innovative Properties Company Filter cover for powered air purifying respirator
USD682418S1 (en) 2012-02-15 2013-05-14 3M Innovative Properties Company Respirator belt having attachment slot
USD683845S1 (en) 2012-02-15 2013-06-04 3M Innovative Properties Company Respirator belt
USD679801S1 (en) * 2012-02-15 2013-04-09 3M Innovative Properties Company Powered air purifying respirator blower
USD703806S1 (en) 2012-02-15 2014-04-29 3M Innovative Properties Company Respirator belt having bumper cushion
USD690413S1 (en) 2012-02-15 2013-09-24 3M Innovative Properties Company Filter cover for powered air purifying respirator
USD683013S1 (en) 2012-02-15 2013-05-21 3M Innovative Properties Company Respirator belt having flexible air channels
USD684536S1 (en) 2012-02-15 2013-06-18 3M Innovative Properties Company Small battery pack for powered air purifying respirator
USD696629S1 (en) 2012-02-15 2013-12-31 3M Innovative Properties Company Large battery pack for powered air purifying respirator (PAPR)
USD680641S1 (en) 2012-02-15 2013-04-23 3M Innovative Properties Company Filter cover for powered air purifying respirator
US10406387B2 (en) * 2012-02-15 2019-09-10 3M Innovative Properties Company Interlock system for a respirator waist belt
USD683014S1 (en) * 2012-02-15 2013-05-21 3M Innovative Properties Company Powered air purifying respirator (PAPR) blower having attachment bosses
US9119975B2 (en) 2012-02-15 2015-09-01 3M Innovative Properties Company Respirator waist belt
USD729380S1 (en) 2012-02-15 2015-05-12 3M Innovative Properties Company Powered air purifying respirator blower
EP2630993B1 (en) 2012-02-24 2018-11-21 Moldex-Metric AG & Co. KG Filter cartridge, filtering face mask and method for manufacturing
GB201220615D0 (en) * 2012-11-15 2013-01-02 Scott Health & Safety Ltd Method for filling a conformal shaped carbon filter
US9510626B2 (en) * 2013-02-01 2016-12-06 3M Innovative Properties Company Sleeve-fit respirator cartridge
US9089722B2 (en) * 2013-02-14 2015-07-28 Moldex-Metric, Inc. Filter cartridge, filtering face mask and method for manufacturing
CN103127631A (zh) * 2013-03-12 2013-06-05 吴颖文 一种空气净化器
DE102014015941A1 (de) * 2013-11-20 2015-05-21 Mann + Hummel Gmbh Tankbelüftungsfilter mit Fallrohr
US10272279B2 (en) 2013-12-31 2019-04-30 Northwestern University Metal organic frameworks for the catalytic detoxification of chemical warfare nerve agents
US9623404B2 (en) * 2013-12-31 2017-04-18 Northwestern University Metal organic frameworks for the catalytic detoxification of chemical warfare nerve agents
USD739007S1 (en) 2014-03-14 2015-09-15 3M Innovative Properties Company Powered air purifying respirator unit control panel
CN103884052B (zh) * 2014-04-04 2015-09-02 周玲洁 使用口罩作为滤材的空气净化器
CN205055241U (zh) * 2014-06-04 2016-03-02 自由风股份有限公司 将经过净化的空气提供到封闭空间中的呼吸器
CN104107591A (zh) * 2014-06-26 2014-10-22 山东腾飞集团有限公司 一种后背式高效率空气过滤器
CN104315607A (zh) * 2014-07-03 2015-01-28 青岛海尔空调器有限总公司 空气处理系统
DE102015016236A1 (de) * 2015-01-23 2016-07-28 Mann+Hummel Gmbh Filterelement mit mehreren übereinanderliegenden Einzelblättern
USD774180S1 (en) * 2015-03-12 2016-12-13 Tecmen Electronics Co., Ltd. Respirator
FR3036580B1 (fr) * 2015-05-29 2018-01-26 Equipement Veterinaire Minerve Cellule d'isolement pour animal de laboratoire equipee d'un filtre amovible
KR20180021180A (ko) 2015-06-30 2018-02-28 쓰리엠 이노베이티브 프로퍼티즈 캄파니 접착제 에지-밀봉된 단부를 갖는 필터 매체를 포함하는 필터 카트리지, 및 제조 및 사용 방법
WO2017021470A1 (de) * 2015-08-03 2017-02-09 Mann+Hummel Gmbh Kartusche für eine atemschutzmaske und atemschutzmaske
CN113694620B (zh) * 2015-08-17 2022-09-16 帕克-汉尼芬公司 过滤介质包、制造方法及过滤介质压机
US11278833B2 (en) 2015-08-17 2022-03-22 Parker-Hamilton Corporation Filter media packs, methods of making, and ultrasonic cutting or welding
US10342999B2 (en) * 2015-10-16 2019-07-09 Yang Song Particulate filter face mask having fan breathing assist
AU2016259419B2 (en) 2015-11-30 2020-12-10 Parker-Hannifin Corporation Engine Panel Filter and Housing System
US11406850B2 (en) * 2016-03-10 2022-08-09 Honeywell International Inc. Compact powered air purifying respirator with auto-change filter and built-in end of service life indicator
CN105727675A (zh) * 2016-04-05 2016-07-06 新呼吸(厦门)环保科技有限公司 空气过滤器
US10682597B2 (en) 2016-04-14 2020-06-16 Baldwin Filters, Inc. Filter system
US10702721B2 (en) * 2016-07-22 2020-07-07 Poma 22 Llc Hat and air filtration system
JP2019531880A (ja) * 2016-08-26 2019-11-07 スリーエム イノベイティブ プロパティズ カンパニー 縁部ダムを有するプリーツフィルタメディアを備えるプリーツフィルタエレメント並びにこれを製造及び使用する方法
USD810274S1 (en) * 2016-08-30 2018-02-13 Ningbo Geostar Photoelectric Technology Co., Ltd Respirator
USD809130S1 (en) * 2016-08-30 2018-01-30 Ningbo Geostar Photoelectric Technology Co., Ltd. Respirator
USD809129S1 (en) * 2016-08-30 2018-01-30 Ningbo Geostar Photoelectric Technology Co., Ltd. Respirator
KR20180070966A (ko) * 2016-12-19 2018-06-27 쓰리엠 이노베이티브 프로퍼티즈 컴파니 필터 카트리지
AU2017383090B2 (en) 2016-12-22 2021-11-04 Vbreathe Pty Ltd Apparatus and system for air cleaning
US11131310B1 (en) * 2017-03-07 2021-09-28 Eric D. Emery Airflow assembly
NO20171795A1 (en) * 2017-11-13 2019-05-14 Safeback As Avalanche survival device
CN107875535B (zh) * 2017-11-24 2020-05-01 北京欧美中科学技术研究院 便于更换的化学实验防毒面具用过滤装置
CN108310697A (zh) * 2018-01-29 2018-07-24 山东星火科学技术研究院 一种拆装方便的化学实验防毒面具用过滤棉组件
RU2656458C1 (ru) * 2018-01-30 2018-06-05 Кирилл Николаевич Войнов Ловушка вредных испарений и запахов
GB201807377D0 (en) 2018-05-04 2018-06-20 Avon Polymer Prod Ltd Filtration mask, packaged filtration mask, and tearable container
USD954252S1 (en) 2019-10-24 2022-06-07 Rpb Safety, Llc Powered air purifying respirator
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
US10926209B1 (en) 2020-06-05 2021-02-23 Celios Corporation Air filtration system, air filtration device, and air filtration module for use therewith
KR102256713B1 (ko) 2020-06-05 2021-05-27 엘지전자 주식회사 마스크 장치 및 그 제어방법
US10870076B1 (en) 2020-06-05 2020-12-22 Celios Corporation Air filtration system, air filtration device, and air filtration module for use therewith
KR102307772B1 (ko) 2020-06-05 2021-10-05 엘지전자 주식회사 마스크 장치
KR102367071B1 (ko) 2020-06-05 2022-02-25 엘지전자 주식회사 마스크 장치
KR102494579B1 (ko) 2020-06-05 2023-02-02 엘지전자 주식회사 마스크 장치
KR102408364B1 (ko) 2020-06-05 2022-06-13 엘지전자 주식회사 마스크 장치
KR102309925B1 (ko) * 2020-06-05 2021-10-08 엘지전자 주식회사 마스크 장치
KR102452392B1 (ko) 2020-06-05 2022-10-11 엘지전자 주식회사 마스크 장치
TR202009416A2 (tr) * 2020-06-17 2020-07-21 Maltepe Ueniversitesi Teknoloji Transfer Ofisi Anonim Sirketi Dezenfekte hava akişli koruma si̇perli̇kli̇ başlik
KR102460798B1 (ko) 2020-06-30 2022-10-31 엘지전자 주식회사 마스크 장치
KR102436838B1 (ko) 2020-06-30 2022-08-26 엘지전자 주식회사 마스크 장치 및 그 제어방법
KR102418745B1 (ko) 2020-06-30 2022-07-11 엘지전자 주식회사 마스크 장치
WO2022003724A1 (en) * 2020-07-01 2022-01-06 Jai Mata Di Associates Multipurpose air purifying device and method thereof
KR102458618B1 (ko) 2020-07-17 2022-10-25 엘지전자 주식회사 마스크 장치 및 그 제어방법
US11998777B2 (en) 2020-07-27 2024-06-04 Auburn University Serviceable respirator system with configurable components
KR102294479B1 (ko) 2020-08-28 2021-08-27 엘지전자 주식회사 살균 케이스
WO2022115423A1 (en) 2020-11-24 2022-06-02 Cummins Filtration Inc. Arched air filter
USD983355S1 (en) 2021-03-18 2023-04-11 Tecmen Electronics Co., Ltd. Respiration device
USD994116S1 (en) 2021-03-18 2023-08-01 Tecmen Electronics Co., Ltd Respiration device
KR102393690B1 (ko) * 2021-06-20 2022-05-02 이대용 재사용형 마스크
KR102389862B1 (ko) * 2021-10-06 2022-04-25 주식회사 에이피씨테크 광촉매 반응기 모듈이 구비되는 공조시스템
CN113926264A (zh) * 2021-11-18 2022-01-14 蚌埠龙凯焊接防护科技有限公司 便携式空气过滤装置
AU2023243331A1 (en) * 2022-03-26 2024-10-10 D. Wheatley Enterprises, Inc. Compact powered air purifying respirator having improved airflow efficiency
KR102631285B1 (ko) * 2022-08-02 2024-01-31 엘지전자 주식회사 마스크 장치
US20240246019A1 (en) * 2023-01-23 2024-07-25 John David Pandrea, JR. Smoke-capturing device

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3142549A (en) * 1961-10-31 1964-07-28 Electric Storage Battery Co Respirator and a disposable pre-filter
GB1456231A (en) * 1973-02-28 1976-11-24 Secr Defence Adsorptive devices
US4280491A (en) 1980-03-07 1981-07-28 Minnesota Mining And Manufacturing Company Powered air respirator
US4462399A (en) 1981-10-02 1984-07-31 Minnesota Mining And Manufacturing Company Powered air respirator and cartridge
GB8315589D0 (en) * 1983-06-07 1983-07-13 Racal Safety Ltd Breathing apparatus
NO842275L (no) * 1983-06-07 1984-12-10 Racal Safety Ltd Respirator.
CA1266854A (en) * 1985-08-28 1990-03-20 David L. Braun Bonded adsorbent structures and respirators incorporating same
JPH0649085B2 (ja) 1985-11-15 1994-06-29 ブリティッシュ・テクノロジー・グループ・リミテッド 自蔵式電動ファン付粉じん用呼吸保護具
US4965887A (en) 1987-11-12 1990-10-30 John A. Paoluccio Face protector for splash and spatter protection
CA2020503C (en) * 1990-07-05 1998-11-17 Jacques Lesage Chemical cartridge for protective respiratory mask
US5090497A (en) * 1990-07-30 1992-02-25 Baker Hughes Incorporated Flexible coupling for progressive cavity downhole drilling motor
RU2022579C1 (ru) * 1991-05-22 1994-11-15 Белорусский научно-исследовательский и проектно-конструкторский институт горной и химической промышленности Защитная каска
US5222488A (en) * 1991-07-11 1993-06-29 Donaldson Company, Inc. Respirator air filter cartridge with a replaceable filter element
FR2680467B1 (fr) * 1991-08-21 1997-04-04 Intertechnique Sa Equipement de protection respiratoire contre les polluants.
JPH0549834A (ja) * 1991-08-26 1993-03-02 Matsushita Electric Ind Co Ltd 空気清浄器
JPH0592118A (ja) * 1991-09-30 1993-04-16 Matsushita Electric Ind Co Ltd 空気清浄器
JP2604304B2 (ja) * 1992-09-30 1997-04-30 三洋電機株式会社 空気清浄機
US5394870A (en) * 1993-09-03 1995-03-07 Minnesota Mining And Manufacturing Company Respirator blower unit housing with pommel-like strap support member comprising lower exterior support surface
JP2606603Y2 (ja) * 1993-09-13 2000-12-18 株式会社デンソー 空気清浄器
US5579761A (en) 1995-01-20 1996-12-03 Minnesota Mining And Manufacturing Company Respirator having snap-fit filter cartridge
JPH0975643A (ja) * 1995-09-07 1997-03-25 Duskin Co Ltd 換気扇用フィルタ装着具、および換気扇へのフィルタ装着方法
US6186140B1 (en) * 1997-03-14 2001-02-13 3M Innovative Properties Company Respiratory filter element having a storage device for keeping track of filter usage and a system for use therewith
US6014971A (en) 1997-08-15 2000-01-18 3M Innovative Properties Company Protective system for face and respiratory protection
US6298849B1 (en) * 1999-10-14 2001-10-09 Moldex-Metric, Inc. Respirator mask with snap in filter cartridge
USD449099S1 (en) 2000-02-22 2001-10-09 Hornell International Ab Blower filter unit
US6860267B2 (en) * 2000-04-18 2005-03-01 Avon Protection Systems, Inc. Self-sealing filter connection and gas mask filter assembly incorporating the same
US6328791B1 (en) * 2000-05-03 2001-12-11 Hamilton Beach/Proctor-Silex, Inc. Air filtration device
US6575165B1 (en) * 2000-08-03 2003-06-10 3M Innovative Properties Company Apparatus and method for breathing apparatus component coupling
JP3076433U (ja) * 2000-09-20 2001-04-06 天禄 何 防毒マスク
ITMI20010097A1 (it) * 2001-01-19 2002-07-19 Luca Florindo De Depuratore d'aria portatile individuale
AUPR315401A0 (en) * 2001-02-16 2001-03-15 Resmed Limited An apparatus for supplying clean breathable gas
US6666209B2 (en) 2001-02-20 2003-12-23 3M Innovative Properties Company Method and system of calibrating air flow in a respirator system
JP4264619B2 (ja) * 2001-10-12 2009-05-20 山本光学株式会社 呼吸用保護具
US6834646B2 (en) * 2001-12-19 2004-12-28 Testa Technologies T.T. Ltd. Respiratory hood
US6823867B2 (en) * 2002-04-12 2004-11-30 3M Innovative Properties Company Pouch for the blower unit of a powered air purifying respirator
CN100415322C (zh) * 2002-12-23 2008-09-03 山本光学株式会社 呼吸用保护用具
US7469699B2 (en) 2004-09-03 2008-12-30 Tvi Corporation Thin profile air purifying blower unit and filter cartridges, and method of use
US7419526B2 (en) 2005-03-03 2008-09-02 3M Innovative Properties Company Conformal filter cartridges and methods
US20060231100A1 (en) * 2005-04-15 2006-10-19 Walker Garry J Supplied air respirator that has an adjustable length hose
US7748381B2 (en) * 2005-12-09 2010-07-06 3M Innovative Properties Company Portable blower system
CA2706376C (en) * 2007-11-20 2016-01-12 Avon Protection Systems, Inc. Modular powered air purifying respirator

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JP2014050836A (ja) 2014-03-20
CN105413324A (zh) 2016-03-23
RU2010140084A (ru) 2012-05-20
JP2011518035A (ja) 2011-06-23
WO2009145992A9 (en) 2010-02-11
RU2458729C2 (ru) 2012-08-20
AU2009251721A1 (en) 2009-12-03
US9744493B2 (en) 2017-08-29
AU2009251721B2 (en) 2012-05-03
WO2009145992A1 (en) 2009-12-03
EP2274067B1 (en) 2025-05-28
CA2720226A1 (en) 2009-12-03
BRPI0906296A2 (pt) 2015-07-07
EP2274067A1 (en) 2011-01-19
CN102026700A (zh) 2011-04-20
EP2274067A4 (en) 2016-11-16
US20110126713A1 (en) 2011-06-02
KR20110004412A (ko) 2011-01-13
CN105413324B (zh) 2017-12-22
JP6140588B2 (ja) 2017-05-31

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