EP1523439A2 - Systeme d'alimentation en air comprime con u pour un respirateur a air comprime - Google Patents

Systeme d'alimentation en air comprime con u pour un respirateur a air comprime

Info

Publication number: EP1523439A2
Authority: EP; European Patent Office
Prior art keywords: pressure; medium; compressed air; connection; supply system
Prior art date: 2002-01-11
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

EP02806016A

Other languages

German (de)

English (en)

Other versions

EP1523439B1 (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.)

2002-01-11

Filing date

2002-12-21

Publication date

2005-04-20

2002-12-21 Application filed by MSA Auer GmbH filed Critical MSA Auer GmbH

2005-04-20 Publication of EP1523439A2 publication Critical patent/EP1523439A2/fr

2005-10-19 Application granted granted Critical

2005-10-19 Publication of EP1523439B1 publication Critical patent/EP1523439B1/fr

2022-12-21 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Classifications

- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/02—Valves
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air

Definitions

the invention relates to a compressed air supply system for a compressed air breathing apparatus with a pressure reducer connected to a compressed air bottle and pressure lines connected to its high and medium pressure outlets.
a compressed air bottle is attached to a support plate by means of a tension belt and by connection to a pressure reducer.
the pressure reducer has several outlets from which compressed air lines for air with a high pressure corresponding to the cylinder pressure go to a manometer or a relaxed medium pressure to a regulator connected to a respirator.
Pressure hoses branching off from the high-pressure line or the medium-pressure line serve as a high-pressure quick-fill connection or as a second medium-pressure connection.
An acoustic warning device is connected to a further pressure line connected to the pressure reducer.
the individual pressure lines are firmly connected to the pressure reducer and the devices connected to the free end.
This type of compressed air supply is disadvantageous in that the large number of pressure lines is a hindrance when the compressed air breathing apparatus is put on and when the rescue workers are deployed. There is a risk of getting caught and the tubing can become confused or twisted, so that the mobility of the device carrier is restricted. If a high pressure line is damaged, a lot of air is lost until the compressed air cylinder valve closes.
the handling of a compressed air breathing apparatus with such a compressed air supply system also presents difficulties insofar as the connections for the pressure gauge, regulator, Signal whistle etc. are not in the same place in the front area of the equipment rack.
the invention is therefore based on the object of designing the compressed air supply system of a compressed air breathing apparatus in such a way that the ease of use when putting on and carrying and handling the apparatus is improved.
the basic idea of the invention lies in the arrangement of a one-piece combined high and medium pressure line which is integrated at the respective end in an axially rotatable manner in the pressure reducer and in a distributor block arranged in the front region of the equipment carrier and having a plurality of outlets for the air supplied under high and medium pressure.
High or medium pressure outlets provided on the distributor block can be connected to a regulator, a pressure gauge and an acoustic warning device or used as a second medium pressure connection or as a high pressure quick fill connection.
the high-pressure air as well as medium-pressure air is available to the acoustic warning device connected to the distributor block, this can advantageously be controlled with high-pressure air, but can be operated with medium-pressure air, so that the generation of a long-lasting acoustic warning signal with sufficient sound strength is possible.
the combined high / medium pressure line is designed as a coaxial line, specifically in the form that, for example, a helically wound and also flexible high pressure line is arranged inside a medium pressure hose made of flexible material. If the high-pressure line breaks, the rapidly flowing compressed air does not go directly into the open air, but into the medium-pressure line, which is protected by a pressure relief valve, and can therefore be breathed in by the equipment wearer.
the rotary connection coupling via which the combined high / medium pressure line at one end in the distributor block and at the other end in the
Pressure reducer is axially rotatably integrated, a medium-pressure hose connection nozzle and a gas-tightly connected high-pressure connection nozzle, which are rotatably mounted in the distributor block or the distributor housing of the pressure regulator and are each connected to a medium-pressure channel or high-pressure channel in the distributor block / distributor housing.
relaxed compressed air can flow into the medium pressure hose and high pressure air into the high pressure line or flow out of the latter into the distributor block.
the pressure in the high pressure line is between 200 and 300 bar, while the pressure in the medium pressure line is about 4 to 10 bar.
Fig. 1 is a support frame of a compressed air breathing apparatus with the required compressed air connection
FIG. 2 shows a detailed sectional view of the formation of a common high-pressure and medium-pressure line and their rotatable connection to one
Fig. 3 shows another embodiment of a coupling element for rotatably integrating the combined high / medium pressure line in the manifold block or pressure reducer.
a pressure reducer 5 is attached to the lower end.
part of the air present under high pressure is expanded to a medium pressure.
the medium-pressure air at a pressure of 10 bar and the high-pressure air at a pressure of 300 bar pass from a distributor housing 6 of the pressure reducer and a coupling 7 rotatably arranged in it via a one-piece flexible compressed air connection line, that is to say a single combined 300 bar high / 10 bar medium pressure line
the supplied high pressure air and medium pressure air are distributed, namely to a first medium pressure connection 10 for a medium pressure line 12 connected to a regulator 11, a second medium pressure connection 13 and / or a high-pressure quick-fill connection 14, a high-pressure connection 15 'for a pressure gauge 15 (or an electronic measuring unit) and a high / medium pressure connection 16 for a warning device, that is to say a signal whistle 17 controlled by the high pressure and operated by the medium pressure.
the combined high / medium pressure line 8 consists of a 10 bar medium pressure hose 18 formed by a flexible elastomer hose and a 300 bar high pressure line 19 coaxially arranged therein made of high-strength material, such as, for example Copper alloy or teflon.
the high pressure line 19 here is a helically wound tube with a small diameter and therefore highly elastic, so that the combined high / medium pressure line 8 as a whole is also flexible.
a significant advantage is that the single high / medium pressure line, which is designed here as a coaxial line, can be arranged in the distributor housing 6 and the distributor block 9 so that it can rotate axially.
a first bearing cylinder 20 with a radially adjoining medium pressure channel 21 and a second bearing cylinder 22 starting from the bottom of the first bearing cylinder 20 with an axially opening high pressure channel 23 are formed in the distributor housing 6 / distributor block 9.
a medium-pressure hose connection nozzle 24 is rotatably mounted, axially locked by a split pin and each sealed with a sealing ring 26 to the outside and to the high-pressure duct 23.
the medium-pressure channel 21 there is an annular groove 27 encircling its circumference in the medium-pressure hose connection nozzle 24, as well as a radial through-hole 28. Compressed air supplied via the medium-pressure channel 21 can thus be fed into the medium-pressure Hose connection nozzle 24 and get into the medium pressure hose 18 of the high / medium pressure line 8.
the medium-pressure hose 18 (elastomer hose) is fastened by means of a compression sleeve 29 to the part of the medium-pressure hose connector 24 protruding from the distributor housing 6 or distributor block 9.
the high-pressure connection to the helical high-pressure line 19 arranged within the medium-pressure hose 18 takes place via a rotatably mounted high-pressure connection nozzle 32, which is sealed in the second bearing cylinder 22 and the medium-pressure hose connection nozzle 24, in each case by means of a sealing ring 30, 31
FIG. 3 An embodiment variant for the axially rotatable integration of the combined coaxial high / medium pressure line 8 into the distributor housing 6 or the distributor block 9 is shown in FIG. 3.
the medium-pressure hose connection nozzle 24 ' has a reduced diameter in the entire upper section in the region of the medium-pressure channel 21 and the high-pressure connection nozzle 32' is firmly integrated into the medium-pressure hose connection nozzle 24 ', so that in the region of the first and second bearing cylinders 20 and 22 only one sealing ring 28 'and 30' is required.

Landscapes

Health & Medical Sciences (AREA)
Pulmonology (AREA)
General Health & Medical Sciences (AREA)
Business, Economics & Management (AREA)
Emergency Management (AREA)
Emergency Medicine (AREA)
Respiratory Apparatuses And Protective Means (AREA)
Compressor (AREA)
Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Valves And Accessory Devices For Braking Systems (AREA)
Separation By Low-Temperature Treatments (AREA)
Pipeline Systems (AREA)

EP02806016A 2002-01-11 2002-12-21 Systeme d'alimentation en air comprime connu pour un respirateur a air comprime Expired - Lifetime EP1523439B1 (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
DE10201250		2002-01-11
DE10201250A DE10201250C1 (de)	2002-01-11	2002-01-11	Druckluftversorgungssystem für ein Preßluftatemgerät
PCT/DE2002/004688 WO2003058099A2 (fr)	2002-01-11	2002-12-21	Systeme d'alimentation en air comprime conçu pour un respirateur a air comprime

Publications (2)

Publication Number	Publication Date
EP1523439A2 true EP1523439A2 (fr)	2005-04-20
EP1523439B1 EP1523439B1 (fr)	2005-10-19

Family

ID=7712166

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP02806016A Expired - Lifetime EP1523439B1 (fr)	2002-01-11	2002-12-21	Systeme d'alimentation en air comprime connu pour un respirateur a air comprime

Country Status (8)

Country	Link
US (1)	US7322350B2 (fr)
EP (1)	EP1523439B1 (fr)
AT (1)	ATE307055T1 (fr)
AU (1)	AU2002367303B2 (fr)
DE (2)	DE10201250C1 (fr)
ES (1)	ES2248643T3 (fr)
WO (1)	WO2003058099A2 (fr)
ZA (1)	ZA200404050B (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4947436B2 (ja) *	2008-03-27	2012-06-06	本田技研工業株式会社	内燃機関の冷却構造
KR100951394B1 (ko)	2008-05-22	2010-04-08	주식회사 산청	공기통용 안전경보시스템
USD653324S1 (en) *	2010-04-22	2012-01-31	Draeger Safety Uk Limited	Structural support member for a harness for a breathing apparatus
USD653325S1 (en) *	2010-04-22	2012-01-31	Draeger Safety Uk Limited	Structural support member for a harness for breathing apparatus
KR101047905B1 (ko) *	2011-02-14	2011-07-08	주식회사 산청	공기통용 레귤레이터
EP3038716B1 (fr) *	2013-08-27	2018-11-14	Honeywell International Inc.	Mécanisme d'entrée d'air frais pour masque facial utilisé sur un appareil respiratoire autonome à air comprimé à circuit ouvert
GB2523334A (en) *	2014-02-20	2015-08-26	Draeger Safety Uk Ltd	Garment
EP4003539A1 (fr)	2019-07-26	2022-06-01	3M Innovative Properties Company	Alarme de basse pression pour appareil respiratoire autonome

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* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1719225U (de) *	1953-02-05	1956-03-22	Draegerwerk Ag	Gasschutzmaske mit augenfenstern und pressluftzufuehrung.
FR1152107A (fr) *	1955-02-07	1958-02-12	Spirotechnique	Appareil respiratoire à circuits de débit d'air et d'équilibrage distincts
GB1199283A (en) *	1964-06-15	1970-07-22	Turner Brothers Asbest	Manufacture of Thermoplastic Sheet
CH418145A (de) *	1965-02-05	1966-07-31	Aga Ag	Druckmess-Einrichtung für tragbare Atemschutzgeräte
GB2084882B (en) *	1980-09-10	1984-07-25	Chubb Panorama	Breathing apparatus
US4498471A (en) *	1982-09-28	1985-02-12	U.S.D. Corp.	First and second stage regulator system for breathing gas
GB8304261D0 (en) *	1983-02-16	1983-03-23	Siebe Gorman & Co Ltd	Breathing apparatus and facemasks
US5529096A (en) *	1994-12-12	1996-06-25	International Safety Instruments, Inc.	Air tank filling system
FR2733960B1 (fr) *	1995-05-11	1997-06-27	Sub Pratique	Appareil respiratoire autonome de plongee a raccords moyenne pression amont pouvant etre branches et debranches en plongee, et son procede d'utilisation
US6070577A (en) *	1997-05-29	2000-06-06	Troup; Jan M.	Reserve air for underwater diving

2002
- 2002-01-11 DE DE10201250A patent/DE10201250C1/de not_active Expired - Fee Related
- 2002-12-21 AU AU2002367303A patent/AU2002367303B2/en not_active Expired
- 2002-12-21 AT AT02806016T patent/ATE307055T1/de not_active IP Right Cessation
- 2002-12-21 ES ES02806016T patent/ES2248643T3/es not_active Expired - Lifetime
- 2002-12-21 WO PCT/DE2002/004688 patent/WO2003058099A2/fr not_active Ceased
- 2002-12-21 DE DE50204639T patent/DE50204639D1/de not_active Expired - Fee Related
- 2002-12-21 EP EP02806016A patent/EP1523439B1/fr not_active Expired - Lifetime
- 2002-12-21 US US10/501,123 patent/US7322350B2/en not_active Expired - Lifetime
2004
- 2004-05-25 ZA ZA2004/04050A patent/ZA200404050B/en unknown

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO03058099A3 *

Also Published As

Publication number	Publication date
AU2002367303B2 (en)	2006-10-26
ZA200404050B (en)	2005-07-27
ATE307055T1 (de)	2005-11-15
AU2002367303A1 (en)	2003-07-24
DE10201250C1 (de)	2003-05-28
WO2003058099A2 (fr)	2003-07-17
US20050115560A1 (en)	2005-06-02
ES2248643T3 (es)	2006-03-16
DE50204639D1 (de)	2005-11-24
EP1523439B1 (fr)	2005-10-19
US7322350B2 (en)	2008-01-29
WO2003058099A3 (fr)	2005-02-24

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Publication	Publication Date	Title
EP0536546B1 (fr)	1995-12-06	Appareil respiratoire assisté par un ventilateur avec organe de commande attachable
DE69301244T2 (de)	1996-05-15	Sauerstoffmasken
DE29909732U1 (de)	1999-09-09	Tragevorrichtung für ein Atemschutzgerät
DE10315607B4 (de)	2005-12-08	Belüftungssystem für Schutzbekleidung
DE2257765B2 (de)	1980-01-17	Füllvorrichtung für schlauchlose Reifen
EP1523439A2 (fr)	2005-04-20	Systeme d'alimentation en air comprime con u pour un respirateur a air comprime
DE29610973U1 (de)	1996-09-05	Unterwasser-Atemgerät
DE69609166T2 (de)	2001-02-15	Verbindungsstück für atemschutzgerät
DE1129376B (de)	1962-05-10	Druckgasatemschutzgeraet mit mindestens einer vom Geraettraeger getragenen Druckgasflasche
DE19934078B4 (de)	2004-05-19	Schaltventil für ein Atemschutzgerät
DE1253587B (de)	1967-11-02	Atemschutzgeraet mit Druckgasvorrat
DE1932141A1 (de)	1971-01-07	Verfahren zum Mischen von Druckgasen,insbesondere fuer Atmungs- und medizinische Geraete
DE102017222199A1 (de)	2019-06-13	Sauerstoffversorgungseinrichtung
DE2712953A1 (de)	1978-09-28	Kombinierte gasabsperr- und gasdruckpruefvorrichtung
EP1005623A1 (fr)	2000-06-07	Dispositif d'amenee d'air comprime et de dioxyde de carbone ou monoxyde de diazote liquefie ou surcritique dans un tuyau flexible
DE954477C (de)	1956-12-20	Staubfilteergeraet
DE9203660U1 (de)	1992-06-11	Reinigungsvorrichtung für ein Kraftstoffeinspritzsystem
DE1133251B (de)	1962-07-12	Druckgasatemschutzgeraet mit einer Rueckzugsignalvorrichtung
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