EP1448271B2 - Masque de protection respiratoire pour appareil respiratoire a air comprime - Google Patents

Masque de protection respiratoire pour appareil respiratoire a air comprime Download PDF

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Publication number
EP1448271B2
EP1448271B2 EP02772058A EP02772058A EP1448271B2 EP 1448271 B2 EP1448271 B2 EP 1448271B2 EP 02772058 A EP02772058 A EP 02772058A EP 02772058 A EP02772058 A EP 02772058A EP 1448271 B2 EP1448271 B2 EP 1448271B2
Authority
EP
European Patent Office
Prior art keywords
air
control membrane
air outlet
membrane
lid
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 - Lifetime
Application number
EP02772058A
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German (de)
English (en)
Other versions
EP1448271A1 (fr
EP1448271B1 (fr
Inventor
Peter Kling
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.)
MSA Auer GmbH
Original Assignee
MSA Auer 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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=7707806&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1448271(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by MSA Auer GmbH filed Critical MSA Auer GmbH
Publication of EP1448271A1 publication Critical patent/EP1448271A1/fr
Application granted granted Critical
Publication of EP1448271B1 publication Critical patent/EP1448271B1/fr
Publication of EP1448271B2 publication Critical patent/EP1448271B2/fr
Anticipated expiration legal-status Critical
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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
    • A62B18/10—Valves

Definitions

  • the invention relates to a respirator for SCBA, with an automatic regulator, which is controlled by a control membrane, and an exhalation valve with air outlet.
  • Respiratory masks are usually operated in conjunction with a compressed air breathing apparatus with a lung machine, which is connected via a screw or plug connection with the mask body.
  • This understandably highly sensitive, thin membrane made of an elastic material is extremely sensitive to the environmental influences caused by extreme temperatures and aggressive media.
  • the functionality of the membrane can be impaired, for example, by reducing the elasticity at low temperatures and thereby the breathing resistance and the sensitivity is adversely affected or the membrane material of aggressive gases such as hydrogen sulfide or phosgene, penetrated, destroyed or at least impaired in its mechanical properties.
  • the invention is therefore based on the object, an A temschutzmnaske of the type mentioned in such a way that the function of the control diaphragm is not affected by temperature influences and aggressive media and a long life is guaranteed.
  • the basic idea of the invention consists in the arrangement of an air outlet of the exhalation valve and the control membrane together cross-cap, which has at the opposite, that is, remote from the air outlet side, air outlet openings.
  • a flushing chamber or flushing channel is created above the control membrane, flows uniformly tempered, clean exhaled air of the mask wearer from the air outlet of the respirator over the surface of the control diaphragm to the air outlet opening in the cap and thereby flushes away the aggressive gases and at the same time the control diaphragm on a constant Temperature keeps or cools or heats according to the outside temperature. This ensures undisturbed functionality and a long service life of the control diaphragm.
  • DE 11 53 258 is formed above the control diaphragm a partitioned by an intermediate wall space in which the exhaled air flows through a connecting piece and from which the exhaled air flows through openings to the outside.
  • an exhalation valve is arranged at a small distance from the center of the membrane. Rinsing and tempering of the entire surface of the membrane is not possible with this arrangement, since no flushing channel is formed above the membrane.
  • the mask body 1 of a respirator has an automatic regulator 2 for supplying the air provided by a compressed air reservoir via a pressure reducer and a medium pressure line 3 to the mask wearer.
  • the control of the air supply according to the respiratory rhythm via an actuated by inhalation control membrane 4, which is connected via a lever system with a control valve (not shown) for releasing the medium-pressure line 3 during inhalation.
  • the arrows A, B and C show the path of the inhaled air from the medium pressure line 3 via the chamber 5 and the air inlet 6 of the lung machine and along the mask discs 12 to the mask wearer, while the spent air in the direction of arrows D. , E and F via the exhalation valve 7 enters the outside.
  • the exhaled air from the mask wearer but not directly into the open air, but via an air outlet 8 in the limited by a cap 9 Spülraum 10 above the control diaphragm 4. That is, at each Ausatemzyklus uniformly tempered, clean purging air , namely the exhalation air of the mask wearer, passed over the surface of the control membrane 4. Regardless of the outside temperature, the control diaphragm 4 is thus always uniformly tempered and thus limited in its functionality either by too high or too low outdoor temperatures: The control diaphragm 4 is neither too stiff nor too soft, but retains its predetermined mechanical properties. The breathing conditions for the mask wearer thus remain optimal even under extreme conditions.

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  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Claims (3)

  1. Masque de protection respiratoire pour un respirateur à air comprimé, comportant un appareil automatique d'oxygénation pulmonaire (2) commandé par une membrane de commande (4) et une soupape d'expiration (7) avec une sortie d'air (8), caractérisé par un capuchon (9) qui coiffe en commun la sortie d'air (8) et la membrane de commande (4), délimite un espace de rinçage (10) au-dessous de la membrane de commande (4), s'étend à une faible distance sensiblement uniforme côté environnement au-dessus de la membrane de commande (4) pour former un canal de rinçage (10), et comporte des ouvertures de sortie d'air (11) sur le côté opposé, éloigné de la sortie d'air (8) de la soupape d'expiration (7) de la sortie d'air, le canal de rinçage (10) étant réalisé entre le capuchon (9) et la membrane de commande (4) pour le rinçage régulier et la mise à température régulière de la surface de la membrane de commande (4) avec de l'air respiré et de l'air d'expiration propre, régulièrement mis en température dans le canal de rinçage (10), circulant depuis la sortie d'air (8) vers les ouvertures de sortie d'air (11) en passant par la surface de la membrane de commande (4) dans le capuchon (9).
  2. Masque de protection respiratoire selon la revendication 1, caractérisé en ce que le capuchon (9) fait partie intégrale de l'appareil automatique d'oxygénation pulmonaire (2).
  3. Masque de protection respiratoire selon la revendication 1, caractérisé en ce que le capuchon (9) est monté séparément sur l'appareil automatique d'oxygénation pulmonaire (2).
EP02772058A 2001-11-27 2002-09-10 Masque de protection respiratoire pour appareil respiratoire a air comprime Expired - Lifetime EP1448271B2 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10159219A DE10159219B4 (de) 2001-11-27 2001-11-27 Atemschutzmaske für einen Preßluftatmer
DE10159219 2001-11-27
PCT/DE2002/003420 WO2003047698A1 (fr) 2001-11-27 2002-09-10 Masque de protection respiratoire pour appareil respiratoire a air comprime

Publications (3)

Publication Number Publication Date
EP1448271A1 EP1448271A1 (fr) 2004-08-25
EP1448271B1 EP1448271B1 (fr) 2006-03-01
EP1448271B2 true EP1448271B2 (fr) 2009-10-07

Family

ID=7707806

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02772058A Expired - Lifetime EP1448271B2 (fr) 2001-11-27 2002-09-10 Masque de protection respiratoire pour appareil respiratoire a air comprime

Country Status (7)

Country Link
US (2) US7673630B2 (fr)
EP (1) EP1448271B2 (fr)
AT (1) ATE318647T1 (fr)
AU (1) AU2002336904A1 (fr)
DE (2) DE10159219B4 (fr)
ES (1) ES2259100T5 (fr)
WO (1) WO2003047698A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10159219B4 (de) * 2001-11-27 2005-09-29 Msa Auer Gmbh Atemschutzmaske für einen Preßluftatmer
WO2004052464A1 (fr) 2002-12-11 2004-06-24 Draeger Safety Uk Ltd Appareil de respiration
US10159856B1 (en) * 2013-11-07 2018-12-25 The United States Of America As Represented By The Secretary Of The Army Apparatus and method for replacing an air filter of an air filtration mask
DE102015204645B4 (de) 2015-03-13 2020-04-23 Msa Europe Gmbh Atemschutzmaske
CN107822232B (zh) * 2017-12-05 2023-08-22 王冬艳 电动口罩反冲洗一体机

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB934213A (en) † 1959-04-04 1963-08-14 L V A S Soc An Lavoraz Varie A An improved air delivery unit for underwater respirators
DE1153258B (de) † 1961-05-16 1963-08-22 Draegerwerk Ag Druckgasatemschutzgeraet mit lungengesteuertem Atemgaszufuehrungs-ventil
US3957044A (en) † 1974-11-11 1976-05-18 Nasa Self-contained breathing apparatus
DE2720681B1 (de) † 1977-05-07 1978-11-02 Auergesellschaft Gmbh Atemschutzgeraet mit einer als Atemanschluss dienenden Atemschutzmaske

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE695492C (de) * 1935-01-16 1940-08-26 Draegerwerk Heinr U Bernh Drae Ausatemventil fuer Gasschutzmasken
DE1945462U (de) * 1965-03-17 1966-09-01 Draegerwerk Ag Atemschutzmaske fuer atemschutzgeraete mit druckgaszufuhr und an der maske angeordnetem lungengesteuertem ventil.
DE1708045A1 (de) * 1967-06-03 1972-01-05 Draegerwerk Ag Atemschutzmaske mit Ausatemventilvorkammer und Sprechmembran
DE1945462A1 (de) * 1969-09-08 1971-03-11 Schieck Karl Dipl Ing Spurbahn,z.B. Eisen- oder Strassenbahn u.dgl.
DE2852016A1 (de) 1978-12-01 1980-06-04 Draegerwerk Ag Membran fuer atemgesteuertes dosierventil
US4856120A (en) * 1988-01-25 1989-08-15 Undersea Industries, Inc. Dive mask
IT1216459B (it) * 1988-02-26 1990-03-08 Ind Pirelli S P A Milano Minis Maschera protettiva per interventi operativi in ambienti contaminati.
DE4237294C1 (de) * 1992-11-05 1993-11-25 Draegerwerk Ag Atemschutzmaske mit Überdruck im Maskeninnenraum
WO1997046281A1 (fr) * 1996-06-05 1997-12-11 Scott Technologies, Inc. Appareil respiratoire
US5787882A (en) * 1996-06-21 1998-08-04 Computer Assisted Engineering Demand valve resuscitator
DE10159219B4 (de) * 2001-11-27 2005-09-29 Msa Auer Gmbh Atemschutzmaske für einen Preßluftatmer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB934213A (en) † 1959-04-04 1963-08-14 L V A S Soc An Lavoraz Varie A An improved air delivery unit for underwater respirators
DE1153258B (de) † 1961-05-16 1963-08-22 Draegerwerk Ag Druckgasatemschutzgeraet mit lungengesteuertem Atemgaszufuehrungs-ventil
US3957044A (en) † 1974-11-11 1976-05-18 Nasa Self-contained breathing apparatus
DE2720681B1 (de) † 1977-05-07 1978-11-02 Auergesellschaft Gmbh Atemschutzgeraet mit einer als Atemanschluss dienenden Atemschutzmaske

Also Published As

Publication number Publication date
US7673630B2 (en) 2010-03-09
DE10159219B4 (de) 2005-09-29
AU2002336904A1 (en) 2003-06-17
ATE318647T1 (de) 2006-03-15
US20050066966A1 (en) 2005-03-31
ES2259100T5 (es) 2009-12-28
WO2003047698A1 (fr) 2003-06-12
EP1448271A1 (fr) 2004-08-25
EP1448271B1 (fr) 2006-03-01
DE10159219A1 (de) 2003-06-12
US20110226251A1 (en) 2011-09-22
US8245712B2 (en) 2012-08-21
ES2259100T3 (es) 2006-09-16
DE50205957D1 (de) 2006-04-27

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