DE3783944D1 - Warneinrichtung zur anzeige des erschoepfungszustandes eines gasfilters. - Google Patents

Warneinrichtung zur anzeige des erschoepfungszustandes eines gasfilters.

Info

Publication number
DE3783944D1
DE3783944D1 DE8787105362T DE3783944T DE3783944D1 DE 3783944 D1 DE3783944 D1 DE 3783944D1 DE 8787105362 T DE8787105362 T DE 8787105362T DE 3783944 T DE3783944 T DE 3783944T DE 3783944 D1 DE3783944 D1 DE 3783944D1
Authority
DE
Germany
Prior art keywords
warning device
gas filter
exhaust
displaying
respiratory air
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
DE8787105362T
Other languages
English (en)
Inventor
Juergen Coym
Michael Freidank
Axel 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=DE3783944(D1) "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 DE8787105362T priority Critical patent/DE3783944D1/de
Application granted granted Critical
Publication of DE3783944D1 publication Critical patent/DE3783944D1/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
DE8787105362T 1986-04-22 1987-04-10 Warneinrichtung zur anzeige des erschoepfungszustandes eines gasfilters. Expired - Fee Related DE3783944D1 (de)

Priority Applications (1)

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

Applications Claiming Priority (2)

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
DE8787105362T DE3783944D1 (de) 1986-04-22 1987-04-10 Warneinrichtung zur anzeige des erschoepfungszustandes eines gasfilters.

Publications (1)

Publication Number Publication Date
DE3783944D1 true DE3783944D1 (de) 1993-03-18

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 Before (1)

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

Country Status (3)

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

Families Citing this family (51)

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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
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
WO1995009676A1 (en) 1993-10-01 1995-04-13 Minnesota Mining And Manufacturing Company Speech transmission adaptor for use with a respirator mask
US5906203A (en) * 1994-08-01 1999-05-25 Safety Equipment Sweden Ab Breathing apparatus
TW287952B (de) * 1994-08-31 1996-10-11 Lifepro Inc
US5659296A (en) * 1994-10-24 1997-08-19 Minnesota Mining And Manufacturing Company Exposure indicating apparatus
US5666949A (en) * 1994-10-24 1997-09-16 Minnesota Mining And Manufacturing Company Exposure indicator with continuous alarm signal indicating multiple conditions
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
JP2002539441A (ja) 1999-03-17 2002-11-19 テー・エー・エム！テクニシェ・エントビクルンゲン・ウント・メニジメント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 空気中に含まれるガスおよび煙のセンサ装置と検出方法
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
US8336543B2 (en) * 2009-05-22 2012-12-25 3M Innovative Properties Company Filter cartridge having cover for masking service life indicator
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)
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
WO2011104635A1 (en) * 2010-02-26 2011-09-01 Intertechnique Method for determining partial pressure of a gaseous constituent and regulator of breathing mask for aircraft occupant
US9616192B2 (en) 2010-03-25 2017-04-11 Resmed Paris Sas Breathable gas inlet control device for respiratory treatment apparatus
BR112012025179A2 (pt) 2010-04-02 2016-06-14 3M Innovative Properties Co sistemas filtrantes
GB2542060B (en) * 2010-08-06 2017-08-02 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
IN2014CN04300A (de) 2011-12-12 2015-09-04 3M Innovative Properties Co
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 (de) * 2013-11-26 2020-03-11 Naphtachimie S.A. Gesicherte Atemschutzvorrichtung
US11235182B2 (en) 2014-09-05 2022-02-01 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
DE3613512C3 (de) 1994-09-29
DE3613512A1 (de) 1987-10-29
EP0246444A2 (de) 1987-11-25
DE3613512C2 (de) 1994-09-29
US4873970A (en) 1989-10-17
EP0246444B1 (de) 1993-02-03
EP0246444A3 (en) 1990-08-22

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8365 Fully valid after opposition proceedings
8339 Ceased/non-payment of the annual fee