EP1448271B1 - Masque de protection respiratoire pour appareil respiratoire a air comprime - Google Patents
Masque de protection respiratoire pour appareil respiratoire a air comprime Download PDFInfo
- Publication number
- EP1448271B1 EP1448271B1 EP02772058A EP02772058A EP1448271B1 EP 1448271 B1 EP1448271 B1 EP 1448271B1 EP 02772058 A EP02772058 A EP 02772058A EP 02772058 A EP02772058 A EP 02772058A EP 1448271 B1 EP1448271 B1 EP 1448271B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- air
- air outlet
- control membrane
- membrane
- respirator mask
- 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
Links
Images
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.
- 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.
- 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.
- dashed line 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 passes through the exhalation valve 7 to 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 diaphragm 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.
Landscapes
- 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)
- 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) coiffant en commun la sortie d'air (9) et la membrane de commande (4) et s'étendant à distance au-dessus de la membrane de commande (4), capuchon qui présente des orifices de sortie d'air (11) sur la face opposée éloignée de la sortie d'air (8), un canal de rinçage (13) fonctionnant avec l'air d'expiration étant formé pour rincer et tempérer de manière régulière la surface de la membrane.
- Masque de protection respiratoire selon la revendication 1, caractérisé en ce que pour former un canal d'écoulement, le capuchon (9) s'étend au-dessus de la membrane de commande, à faible distance sensiblement constante du côté de l'air ambiant.
- Masque de protection respiratoire selon l'une ou l'autre des revendications 1 et 2, caractérisé en ce que le capuchon (9) fait partie intégrale de l'appareil automatique d'oxygénation pulmonaire (2) et du masque de protection respiratoire (1), respectivement, ou est monté séparément sur celui-ci.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10159219 | 2001-11-27 | ||
DE10159219A DE10159219B4 (de) | 2001-11-27 | 2001-11-27 | Atemschutzmaske für einen Preßluftatmer |
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 true EP1448271B1 (fr) | 2006-03-01 |
EP1448271B2 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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10159219B4 (de) * | 2001-11-27 | 2005-09-29 | Msa Auer Gmbh | Atemschutzmaske für einen Preßluftatmer |
US20060048774A1 (en) * | 2002-12-11 | 2006-03-09 | Paul Townsend | Breathing apparatus |
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 |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE695492C (de) * | 1935-01-16 | 1940-08-26 | Draegerwerk Heinr U Bernh Drae | Ausatemventil fuer Gasschutzmasken |
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 |
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. |
US3957044A (en) † | 1974-11-11 | 1976-05-18 | Nasa | Self-contained breathing apparatus |
DE2720681C2 (de) † | 1977-05-07 | 1979-07-05 | Auergesellschaft Gmbh, 1000 Berlin | Atemschutzgerät mit einer als AtemanschluB dienenden Atemschutzmaske |
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 |
-
2001
- 2001-11-27 DE DE10159219A patent/DE10159219B4/de not_active Expired - Fee Related
-
2002
- 2002-09-10 AT AT02772058T patent/ATE318647T1/de not_active IP Right Cessation
- 2002-09-10 WO PCT/DE2002/003420 patent/WO2003047698A1/fr not_active Application Discontinuation
- 2002-09-10 EP EP02772058A patent/EP1448271B2/fr not_active Expired - Lifetime
- 2002-09-10 US US10/497,134 patent/US7673630B2/en not_active Expired - Lifetime
- 2002-09-10 AU AU2002336904A patent/AU2002336904A1/en not_active Abandoned
- 2002-09-10 DE DE50205957T patent/DE50205957D1/de not_active Expired - Fee Related
- 2002-09-10 ES ES02772058T patent/ES2259100T5/es not_active Expired - Lifetime
-
2010
- 2010-01-14 US US12/687,522 patent/US8245712B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1448271A1 (fr) | 2004-08-25 |
US20110226251A1 (en) | 2011-09-22 |
AU2002336904A1 (en) | 2003-06-17 |
DE10159219A1 (de) | 2003-06-12 |
US20050066966A1 (en) | 2005-03-31 |
ATE318647T1 (de) | 2006-03-15 |
DE50205957D1 (de) | 2006-04-27 |
US7673630B2 (en) | 2010-03-09 |
DE10159219B4 (de) | 2005-09-29 |
WO2003047698A1 (fr) | 2003-06-12 |
EP1448271B2 (fr) | 2009-10-07 |
ES2259100T3 (es) | 2006-09-16 |
ES2259100T5 (es) | 2009-12-28 |
US8245712B2 (en) | 2012-08-21 |
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