EP0246444A3 - Warning device for indicating the state of exhaustion of a gas filter - Google Patents

Warning device for indicating the state of exhaustion of a gas filter Download PDF

Info

Publication number
EP0246444A3
EP0246444A3 EP87105362A EP87105362A EP0246444A3 EP 0246444 A3 EP0246444 A3 EP 0246444A3 EP 87105362 A EP87105362 A EP 87105362A EP 87105362 A EP87105362 A EP 87105362A EP 0246444 A3 EP0246444 A3 EP 0246444A3
Authority
EP
European Patent Office
Prior art keywords
exhaustion
indicating
state
warning device
gas filter
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.)
Granted
Application number
EP87105362A
Other languages
English (en)
Other versions
EP0246444A2 (de
EP0246444B1 (de
Inventor
Jurgen 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=EP0246444(A3) "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
Publication of EP0246444A2 publication Critical patent/EP0246444A2/de
Publication of EP0246444A3 publication Critical patent/EP0246444A3/de
Application granted granted Critical
Publication of EP0246444B1 publication Critical patent/EP0246444B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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)
EP87105362A 1986-04-22 1987-04-10 Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Gasfilters Expired - Lifetime EP0246444B1 (de)

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
DE3613512 1986-04-22

Publications (3)

Publication Number Publication Date
EP0246444A2 EP0246444A2 (de) 1987-11-25
EP0246444A3 true EP0246444A3 (en) 1990-08-22
EP0246444B1 EP0246444B1 (de) 1993-02-03

Family

ID=6299213

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87105362A Expired - Lifetime EP0246444B1 (de) 1986-04-22 1987-04-10 Warneinrichtung zur Anzeige des Erschöpfungszustandes eines Gasfilters

Country Status (3)

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

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
KR100326132B1 (ko) 1993-10-01 2002-07-31 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 호흡기마스크및이호흡기마스크에사용되는음성전달어댑터
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
JP2002517979A (ja) * 1997-02-28 2002-06-18 エクストラクション・システムズ・インコーポレーテッド 気体におけるアミンおよび他の塩基性分子の汚染を検出するためのシステム
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
WO2000054841A1 (de) 1999-03-17 2000-09-21 T.E.M.! Technische Entwicklungen Und Management Gmbh Sensorvorrichtung und verfahren zur detektion von in luft enthaltenen gasen oder dämpfen
WO2002013946A2 (en) * 2000-08-17 2002-02-21 Vase Technology Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon
US20040182394A1 (en) * 2003-03-21 2004-09-23 Alvey Jeffrey Arthur Powered air purifying respirator system and self contained breathing apparatus
US20060048777A1 (en) * 2003-03-21 2006-03-09 Interspiro, Inc. Apparatus and method for providing breathable air and bodily protection in a contaminated environment
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
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)
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)
US8372186B2 (en) 2009-08-14 2013-02-12 Gregory J. Dobbyn Ductless fume hood gas monitoring and detection system
BR112012021109B1 (pt) * 2010-02-26 2020-01-14 Intertechnique Sa método para determinar pressão parcial de um componente gasoso, método para regular a taxa de oxigênio em gás respiratório fornecido por uma máscara respiratória, dispositivo de detecção e regulador de máscara respiratória para ocupante de aeronave
WO2011116428A1 (en) 2010-03-25 2011-09-29 Resmed Paris Sas Breathable gas inlet control device for respiratory treatment apparatus
CN102834711A (zh) 2010-04-02 2012-12-19 3M创新有限公司 包括光学被分析物传感器和光学读取器的过滤系统
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
BR112014014098A2 (pt) 2011-12-12 2017-06-13 3M Innovative Properties Co sistemas de indicação de fim de vida útil de cartuchos de filtro em camadas
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
EP3188612B1 (de) 2014-09-05 2023-07-05 Honeywell International Inc. Anzeige des endes der lebensdauer eines einwegmaske
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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR843542A (fr) * 1937-09-29 1939-07-05 Pirelli Dispositif pour la signalisation de l'épuisement des filtres antigaz
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

Family Cites Families (7)

* 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.
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR843542A (fr) * 1937-09-29 1939-07-05 Pirelli Dispositif pour la signalisation de l'épuisement des filtres antigaz
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
EP0246444A2 (de) 1987-11-25
DE3783944D1 (de) 1993-03-18
DE3613512C2 (de) 1994-09-29
DE3613512A1 (de) 1987-10-29
DE3613512C3 (de) 1994-09-29
EP0246444B1 (de) 1993-02-03
US4873970A (en) 1989-10-17

Similar Documents

Publication Publication Date Title
EP0246444A3 (en) Warning device for indicating the state of exhaustion of a gas filter
GB2168259B (en) A filter apparatus having a monitor for indicating the state of exhaustion of the filter
GB2164153B (en) Pressure sensing apparatus for indicating the condition of an air filter
GB2171052B (en) Gas filter
GB2189167B (en) Gas filter
GB8707482D0 (en) Gas filter
GB2217228B (en) Gas filter
DE3474076D1 (en) Apparatus indicating the present fertility conditions of a person
DE3463341D1 (en) Filter device for air or gas purification
GB8630694D0 (en) Gas filtering apparatus
DE3570511D1 (en) A device for the purification of gas.
EG17933A (en) Gas filter
EP0240132A3 (en) Gas filtration unit
DE3070454D1 (en) Arrangement for the removal of a fire-alarm unit from a socket
GB8622756D0 (en) Warning device for gas dispensers
GB2200993B (en) Pressure indicator
GB2145699B (en) A device for monitoring the use of medicines
GB2187655B (en) A gas filter unit
GB2190602B (en) Filter carbon removal device
AU8828882A (en) A gas filter device
GB8312271D0 (en) Filter housing for purifying gas
GB2199769B (en) A gas filter element
JPS57189192A (en) Gas discharge indicator
GB8520787D0 (en) Alarm disarming device
GB8524272D0 (en) Gas permeable filters

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19870421

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): BE DE FR GB IT NL SE

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): BE DE FR GB IT NL SE

17Q First examination report despatched

Effective date: 19911114

ITTA It: last paid annual fee
GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE DE FR GB IT NL SE

ITF It: translation for a ep patent filed
REF Corresponds to:

Ref document number: 3783944

Country of ref document: DE

Date of ref document: 19930318

GBT Gb: translation of ep patent filed (gb section 77(6)(a)/1977)

Effective date: 19930218

ET Fr: translation filed
PLBI Opposition filed

Free format text: ORIGINAL CODE: 0009260

26 Opposition filed

Opponent name: DRAEGERWERK AG

Effective date: 19930922

NLR1 Nl: opposition has been filed with the epo

Opponent name: DRAEGERWERK AG

EAL Se: european patent in force in sweden

Ref document number: 87105362.5

PLBN Opposition rejected

Free format text: ORIGINAL CODE: 0009273

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: OPPOSITION REJECTED

27O Opposition rejected

Effective date: 19950429

NLR2 Nl: decision of opposition
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: SE

Payment date: 19990315

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 19990323

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19990414

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19990415

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: NL

Payment date: 19990429

Year of fee payment: 13

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000410

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000411

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000430

BERE Be: lapsed

Owner name: AUERGESELLSCHAFT G.M.B.H.

Effective date: 20000430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20001101

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20000410

EUG Se: european patent has lapsed

Ref document number: 87105362.5

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20001229

NLV4 Nl: lapsed or anulled due to non-payment of the annual fee

Effective date: 20001101

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20020117

Year of fee payment: 16

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20031101

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050410