DE3613512C3 - Elektrische Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Schadgase zurückhaltenden Gasfilters - Google Patents

Elektrische Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Schadgase zurückhaltenden Gasfilters

Info

Publication number
DE3613512C3
DE3613512C3 DE3613512A DE3613512A DE3613512C3 DE 3613512 C3 DE3613512 C3 DE 3613512C3 DE 3613512 A DE3613512 A DE 3613512A DE 3613512 A DE3613512 A DE 3613512A DE 3613512 C3 DE3613512 C3 DE 3613512C3
Authority
DE
Germany
Prior art keywords
warning device
heat exchanger
gas filter
measuring cell
housing
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
DE3613512A
Other languages
German (de)
English (en)
Other versions
DE3613512C2 (enExample
DE3613512A1 (de
Inventor
Juergen Dipl Ing Coym
Michael Dipl Ing Freidank
Axel Dipl Ing Dr Schubert
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.)
Auergesellschaft GmbH
Original Assignee
Auergesellschaft GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6299213&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3613512(C3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Auergesellschaft GmbH filed Critical Auergesellschaft GmbH
Priority to DE3613512A priority Critical patent/DE3613512C3/de
Priority to EP87105362A priority patent/EP0246444B1/de
Priority to DE8787105362T priority patent/DE3783944D1/de
Publication of DE3613512A1 publication Critical patent/DE3613512A1/de
Priority to US07/323,069 priority patent/US4873970A/en
Application granted granted Critical
Publication of DE3613512C2 publication Critical patent/DE3613512C2/de
Publication of DE3613512C3 publication Critical patent/DE3613512C3/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
DE3613512A 1986-04-22 1986-04-22 Elektrische Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Schadgase zurückhaltenden Gasfilters Expired - Fee Related DE3613512C3 (de)

Priority Applications (4)

Application Number Priority Date Filing Date Title
DE3613512A DE3613512C3 (de) 1986-04-22 1986-04-22 Elektrische Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Schadgase zurückhaltenden Gasfilters
EP87105362A EP0246444B1 (de) 1986-04-22 1987-04-10 Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Gasfilters
DE8787105362T DE3783944D1 (de) 1986-04-22 1987-04-10 Warneinrichtung zur anzeige des erschoepfungszustandes eines gasfilters.
US07/323,069 US4873970A (en) 1986-04-22 1989-03-10 Warning device to indicate the state of gases exhaustion of a gas filter retaining dangerous gases

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3613512A DE3613512C3 (de) 1986-04-22 1986-04-22 Elektrische Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Schadgase zurückhaltenden Gasfilters

Publications (3)

Publication Number Publication Date
DE3613512A1 DE3613512A1 (de) 1987-10-29
DE3613512C2 DE3613512C2 (enExample) 1994-09-29
DE3613512C3 true DE3613512C3 (de) 1994-09-29

Family

ID=6299213

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3613512A Expired - Fee Related DE3613512C3 (de) 1986-04-22 1986-04-22 Elektrische Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Schadgase zurückhaltenden Gasfilters
DE8787105362T Expired - Fee Related DE3783944D1 (de) 1986-04-22 1987-04-10 Warneinrichtung zur anzeige des erschoepfungszustandes eines gasfilters.

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE8787105362T Expired - Fee Related DE3783944D1 (de) 1986-04-22 1987-04-10 Warneinrichtung zur anzeige des erschoepfungszustandes eines gasfilters.

Country Status (3)

Country Link
US (1) US4873970A (enExample)
EP (1) EP0246444B1 (enExample)
DE (2) DE3613512C3 (enExample)

Families Citing this family (52)

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DE3818052A1 (de) * 1988-05-27 1989-12-07 Geraetebau Gmbh Atemschutzmaske
DE3838531A1 (de) * 1988-11-14 1990-05-17 Wolfgang Gerigk Vorrichtung zur detektierung von verseuchter und vergifteter atemluft
DE4009107A1 (de) * 1990-03-21 1991-09-26 Auergesellschaft Gmbh Warneinrichtung mit einer messzelle und alarmgebern zur anzeige des erschoefpungszustandes eines gasfilters
CA2020503C (en) * 1990-07-05 1998-11-17 Jacques Lesage Chemical cartridge for protective respiratory mask
USD339658S (en) 1991-05-02 1993-09-21 Air-Ace Oy Respirator
FR2677765B1 (fr) * 1991-06-17 1994-06-17 Commissariat Energie Atomique Procede de surveillance de l'etat de saturation d'une masse de charbon active filtrante d'un dispositif de filtration et cartouche de masque respiratoire en portant application.
DE4132680C2 (de) * 1991-10-01 1994-02-10 Draegerwerk Ag Atemschutzmaske mit Innenhalbmaske und Schadstoffindikator
DE4133235A1 (de) * 1991-10-07 1993-04-08 Draegerwerk Ag Geblaeseunterstuetztes atemschutzgeraet mit einem aufsetzbaren steuerteil
US5117821A (en) * 1991-10-18 1992-06-02 White George M Hunting mask with breath odor control system
DE4214239C2 (de) * 1992-04-30 1994-06-16 Draegerwerk Ag Atemschutzmaske mit einem indikator
US5338430A (en) * 1992-12-23 1994-08-16 Minnesota Mining And Manufacturing Company Nanostructured electrode membranes
JP3799413B2 (ja) 1993-10-01 2006-07-19 スリーエム カンパニー 呼吸器マスクとともに使用する会話送信用アダプタ
US5906203A (en) * 1994-08-01 1999-05-25 Safety Equipment Sweden Ab Breathing apparatus
TW287952B (enExample) * 1994-08-31 1996-10-11 Lifepro Inc
US5666949A (en) * 1994-10-24 1997-09-16 Minnesota Mining And Manufacturing Company Exposure indicator with continuous alarm signal indicating multiple conditions
US5659296A (en) * 1994-10-24 1997-08-19 Minnesota Mining And Manufacturing Company Exposure indicating apparatus
US5856198A (en) * 1994-12-28 1999-01-05 Extraction Systems, Inc. Performance monitoring of gas-phase air filters
US5676133A (en) * 1995-06-14 1997-10-14 Apotheus Laboratories, Inc. Expiratory scavenging method and apparatus and oxygen control system for post anesthesia care patients
US5878743A (en) * 1996-09-23 1999-03-09 Respironics, Inc. Pressure sensitive flow control valve
US6003511A (en) * 1996-11-18 1999-12-21 Medlis Corp. Respiratory circuit terminal for a unilimb respiratory device
DE19650897A1 (de) * 1996-12-07 1998-06-10 T E M Tech Entwicklung Und Man Apparat und Verfahren zur Erhöhung der Sicherheit von Atemschutzmasken
DE69816277T2 (de) * 1997-02-28 2004-06-03 Extraction Systems, Inc., Franklin System zum nachweis von aminen und anderen basischen molekularen verumreinigungen in einem gas
US6096267A (en) * 1997-02-28 2000-08-01 Extraction Systems, Inc. System for detecting base contaminants in air
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
US5937852A (en) * 1997-04-08 1999-08-17 The Board Of Regents Of The University Of Texas System Apparatus for induction of inhaled pharmacological agent by a pediatric patient
US6207460B1 (en) 1999-01-14 2001-03-27 Extraction Systems, Inc. Detection of base contaminants in gas samples
DE19911867C2 (de) * 1999-03-17 2002-02-21 T E M Techn Entwicklungen Und Sensorsystem zur Detektion von Gasen und Dämpfen in Luft
EP1165187A1 (de) 1999-03-17 2002-01-02 T.E.M.! Technische Entwicklungen und Management GmbH Sensorvorrichtung und verfahren zur detektion von in luft enthaltenen gasen oder dämpfen
US6761169B2 (en) * 2000-08-17 2004-07-13 Vase Technology Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon
US20060048777A1 (en) * 2003-03-21 2006-03-09 Interspiro, Inc. Apparatus and method for providing breathable air and bodily protection in a contaminated environment
US20040182394A1 (en) * 2003-03-21 2004-09-23 Alvey Jeffrey Arthur Powered air purifying respirator system and self contained breathing apparatus
US7647927B2 (en) * 2003-08-22 2010-01-19 Wilcox Industries Corp. Self-contained breathing system
US7100423B2 (en) * 2003-09-04 2006-09-05 Midwest Research Institute Method and apparatus for monitoring particles in a flowing gas
US20100139661A1 (en) * 2003-12-18 2010-06-10 Scott Technologies, Inc. Air breathing hose with integrated electrical wiring
US20070105494A1 (en) * 2005-11-08 2007-05-10 Esco Micro Pte Ltd Ductless fume hood with improved filter monitoring system and extended filter life
US8365723B2 (en) * 2009-05-22 2013-02-05 3M Innovative Properties Company Filter cartridge having cone of visibility for end-of-service-life-indicator (ESLI)
US8336543B2 (en) * 2009-05-22 2012-12-25 3M Innovative Properties Company Filter cartridge having cover for masking service life indicator
US8225782B2 (en) * 2009-05-22 2012-07-24 3M Innovative Properties Company Filter cartridge having location-registered view window for end-of-service-life-indicator (ESLI)
US8372186B2 (en) 2009-08-14 2013-02-12 Gregory J. Dobbyn Ductless fume hood gas monitoring and detection system
EP2539023B1 (en) * 2010-02-26 2018-08-15 Zodiac Aerotechnics Method and device for determining partial pressure of a gaseous constituent and regulator of breathing mask for aircraft occupant
CN102892451B (zh) 2010-03-25 2017-03-08 瑞思迈巴黎股份有限公司 用于呼吸治疗装置的可呼吸气体进气口控制设备
RU2537093C2 (ru) 2010-04-02 2014-12-27 3М Инновейтив Пропертиз Компани Фильтрующая система, включающая оптические датчики аналитов и оптические считывающие устройства
GB2494606B (en) * 2010-08-06 2017-02-01 Scott Tech Inc Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor post
US8616205B2 (en) 2010-10-06 2013-12-31 Honeywell International Inc. Respirator with end-of-service-life detection
US9011584B2 (en) * 2011-08-25 2015-04-21 Honeywell International Inc. End of service life indicator for respirator
US9079049B2 (en) 2011-11-02 2015-07-14 Honeywell International Inc. Respirators with a sacrificial cartridge for end of service life indication
AU2012352762B2 (en) 2011-12-12 2016-02-18 3M Innovative Properties Company End of service life indicating systems for layered filter cartridges
US9283411B2 (en) 2013-04-19 2016-03-15 Honeywell International Inc. Gas sensing drift compensation using gas self-referencing for end of service life indication for respirators
EP2875847B1 (fr) * 2013-11-26 2020-03-11 Naphtachimie S.A. Dispositif sécurisé de protection respiratoire
WO2016033790A1 (en) 2014-09-05 2016-03-10 Honeywell International Inc. End of service life indicator for disposal mask
ITUB201594612U1 (it) * 2015-11-17 2017-05-17 Spasciani S P A Dispositivo di protezione individuale delle vie respiratorie provvisto di sistema di allarme.
GB2579210A (en) * 2018-11-23 2020-06-17 World Wide Welding Ltd Powered air personal respirator

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1320935A (en) * 1919-11-04 schwartz
GB170404A (en) * 1920-07-20 1921-10-20 Leonard Angelo Levy A carbon monoxide respirator
US1474205A (en) * 1921-10-11 1923-11-13 Mine Safety Appliances Co Gas mask
AT155693B (de) * 1934-09-21 1939-03-10 Pirelli Vorrichtung zum Anzeigen des Erschöpfungszustandes von Gasfiltern und -schutzgeräten.
FR843542A (fr) * 1937-09-29 1939-07-05 Pirelli Dispositif pour la signalisation de l'épuisement des filtres antigaz
DE1721541U (de) * 1954-05-22 1956-05-03 Draegerwerk Ag Vorrichtung zur anzeige der erschoepfung eines atemfilters.
DE1120774B (de) * 1960-04-26 1961-12-28 Mine Safety Appliances Co Detektorzelle zum Messen der Konzentration einer Gaskomponente
US3902485A (en) * 1974-02-08 1975-09-02 Richard A Wallace Chemically activated warning system
DE2529058A1 (de) * 1975-06-30 1977-02-03 Richard A Wallace Sicherheitswarnvorrichtung
US4051006A (en) * 1976-03-22 1977-09-27 Beckman Instruments, Inc. Portable electrochemical cell structure

Also Published As

Publication number Publication date
DE3783944D1 (de) 1993-03-18
DE3613512C2 (enExample) 1994-09-29
EP0246444B1 (de) 1993-02-03
US4873970A (en) 1989-10-17
EP0246444A3 (en) 1990-08-22
EP0246444A2 (de) 1987-11-25
DE3613512A1 (de) 1987-10-29

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8363 Opposition against the patent
8366 Restricted maintained after opposition proceedings
8305 Restricted maintenance of patent after opposition
D4 Patent maintained restricted
8330 Complete disclaimer
8370 Indication of lapse of patent is to be deleted
8339 Ceased/non-payment of the annual fee