EP1523439B1 - Druckluftversorgungssystem fuer ein pressluftatemgeraet - Google Patents

Druckluftversorgungssystem fuer ein pressluftatemgeraet Download PDF

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Publication number
EP1523439B1
EP1523439B1 EP02806016A EP02806016A EP1523439B1 EP 1523439 B1 EP1523439 B1 EP 1523439B1 EP 02806016 A EP02806016 A EP 02806016A EP 02806016 A EP02806016 A EP 02806016A EP 1523439 B1 EP1523439 B1 EP 1523439B1
Authority
EP
European Patent Office
Prior art keywords
pressure
medium
compressed air
supply system
air supply
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
EP02806016A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1523439A2 (de
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
Application filed by MSA Auer GmbH filed Critical MSA Auer GmbH
Publication of EP1523439A2 publication Critical patent/EP1523439A2/de
Application granted granted Critical
Publication of EP1523439B1 publication Critical patent/EP1523439B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 Preß Kunststoffatem réelle with a connected to a compressed air cylinder Pressure reducer and at its high and medium pressure outputs connected pressure lines.
  • a compressed air supply system for a Preßluftatem réelle with a connected to a compressed air cylinder Pressure reducer and at its high and medium pressure outputs connected pressure lines.
  • Such a system is in Document FR 2 733 960.
  • the pressure reducer has several outputs, of which compressed air lines for air with a high pressure corresponding to the cylinder pressure Pressure to a pressure gauge or a relaxed medium pressure too a lung machine connected to a respirator out. From the high pressure line or the medium pressure line branching pressure hoses serve as Hochlichschnell spallanschluß or as Heiltikzweitanschluß. To another connected to the pressure reducer pressure line is an acoustic Warning device connected. The individual pressure lines are firmly connected to the pressure reducer and the free end Connected devices.
  • This type of compressed air supply is disadvantageous, as the plurality of pressure lines when applying the compressed air respirator and obstructive during the deployment of rescue workers is. There is a risk of getting stuck and the hoses can get confused or twisted, so that the mobility of the device carrier is restricted. Damage to a high-pressure line continues until Close the compressed air cylinder valve lost a lot of air.
  • the Handling a compressed air breathing apparatus with such a compressed air supply system also causes difficulties in this regard, as the connections for pressure gauges, Signal whistle, etc. not in the same place in the front area of the device carrier lie.
  • the invention is therefore based on the object, the compressed air supply system a compressed air respirator in such a way that the ease of use when creating and carrying and handling of the device is improved.
  • the object is achieved with a compressed air supply system solved according to the features of claim 1.
  • the basic idea of the invention lies in the arrangement of a one-piece combined high and medium pressure line, the the respective end axially rotatable in the pressure reducer and in a arranged in the front region of the equipment carrier distribution block with multiple outputs for high and medium pressure supplied air is involved.
  • high or medium pressure outputs can with an automatic regulator, a manometer and an acoustic Warning device to be connected or as a second medium pressure port or used as Hochdruckschnell spallanschluß.
  • the acoustic warning device connected to the distributor block Both high pressure air and medium pressure air for Is available, this may be in an advantageous manner with High pressure air controlled, but 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 designed as a coaxial line, and although in the form that inside a medium-pressure hose made of flexible material, for example helically wound and also arranged flexible high-pressure line is.
  • a medium-pressure hose made of flexible material, for example helically wound and also arranged flexible high-pressure line is.
  • it gets quickly outgoing compressed air not directly into the open, but in the medium pressure line secured by a pressure relief valve and can therefore still be breathed by the equipment wearer.
  • the rotary coupling via the combined high / medium pressure line one end into the manifold block and the other end into the manifold Pressure reducer is axially rotatably connected, a medium pressure Hose connection spout and a gas-tight connected with this High pressure connection spout rotatable in the manifold block or the distributor housing of the pressure reducer are mounted and each with a medium-pressure channel or high-pressure channel in the distributor block / distributor housing keep in touch.
  • every Rotary position of the high / medium pressure line or the rotary connection coupling can relax compressed air in the medium pressure hose and high pressure air flow into the high pressure line or flow out of these in the manifold block.
  • the pressure in the high pressure line is between 200 and 300 bar, while the pressure in the medium pressure line about 4 to 10 bar is.
  • FIG. 1 support plate 1 with two back straps 2 and a hip belt 3, with which the support plate 1 is fixed to the equipment carrier, as well as with a tension belt. 4 for mounting a compressed air cylinder (not shown) At the bottom of a pressure reducer 5 is attached. In the on the compressed air cylinder connected pressure reducer 5 is a Part of the high-pressure air to a medium pressure relaxed.
  • the ease of use for the equipment carrier is essential improved, especially since the combined one-piece high and Medium pressure line 8 at their ends rotatable in the Distributor housing 6 of the pressure reducer 5 and the manifold block 9 is involved. That is, the compressed air supply line can not twist. The danger of getting caught or otherwise obstructing the device carrier through a variety of straps and connecting lines significantly reduced.
  • the handling and use of the respirator is easy and safe, since the pressure gauge 15 and the whistle 17 on a common carrier (distribution block 9) in the immediate viewing and listening area of the device carrier are located.
  • the combined High / medium pressure line 8 from a through a flexible Elastomer hose formed 10 bar medium pressure hose 18 and a coaxially arranged in this 300 bar high-pressure line 19 made of high-strength material, such as a copper alloy or Teflon.
  • the high pressure line 19 is a helical coiled tube with little 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 here as a coaxial line trained single high / medium pressure line axially rotatable arranged in the distributor housing 6 and the distributor block 9 can be.
  • the distributor housing 6 / manifold 9 are for this purpose in each case a first bearing cylinder 20 with a radially adjacent medium-pressure channel 21 and a of the bottom of the first bearing cylinder 20 outgoing second Bearing cylinder 22 with an axially opening into this high-pressure channel 23 trained.
  • a medium-pressure hose connector sleeve 24 rotatably mounted, axially locked by a cotter pin and each with a sealing ring 26 to the outside and to the high pressure passage 23rd sealed off.
  • the medium pressure channel 21 In height of the medium pressure channel 21 are located in the medium-pressure hose connector sleeve 24 at the one Circumference circumferential annular groove 27 and a radial through hole 28.
  • the medium pressure channel 21 fed Compressed air via the annular groove 27 and the through hole 28 in the medium-pressure hose connector sleeve 24 and in reach the medium pressure hose 18 of the high / medium pressure line 8.
  • the medium-pressure hose 18 (elastomer hose) is by means of a compression sleeve 29 on the from the distributor housing 6 or Distributor block 9 outstanding part of the medium-pressure hose connector 24 attached.
  • FIG. 3rd A variant for the axially rotatable integration the combined coaxial high / medium pressure line 8 in the Distributor housing 6 and the manifold block 9 is shown in Fig. 3rd played.
  • the medium pressure Hose connection grommet 24 'throughout the upper section in the area the medium-pressure channel 21 has a reduced diameter on and the high-pressure connection spout 32 'is firmly in the medium-pressure hose connector grommet 24 'involved, so that in the area the first and second bearing cylinders 20 and 22 respectively only one sealing ring 28 'and 30' is needed.

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)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Pipeline Systems (AREA)
  • Separation By Low-Temperature Treatments (AREA)
EP02806016A 2002-01-11 2002-12-21 Druckluftversorgungssystem fuer ein pressluftatemgeraet Expired - Lifetime EP1523439B1 (de)

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 (de) 2002-01-11 2002-12-21 DRUCKLUFTVERSORGUNGSSYSTEM FÜR EIN PREβLUFTATEMGERÄT

Publications (2)

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

Family

ID=7712166

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02806016A Expired - Lifetime EP1523439B1 (de) 2002-01-11 2002-12-21 Druckluftversorgungssystem fuer ein pressluftatemgeraet

Country Status (8)

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

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
CN105682750B (zh) * 2013-08-27 2019-03-01 霍尼韦尔国际公司 使用在自给式开环压缩空气呼吸设备上的面罩的新鲜空气口机构
GB2523334A (en) * 2014-02-20 2015-08-26 Draeger Safety Uk Ltd Garment
WO2021019348A1 (en) * 2019-07-26 2021-02-04 3M Innovative Properties Company Low pressure alarm for self-contained breathing apparatus

Family Cites Families (10)

* 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

Also Published As

Publication number Publication date
ZA200404050B (en) 2005-07-27
ATE307055T1 (de) 2005-11-15
US20050115560A1 (en) 2005-06-02
WO2003058099A3 (de) 2005-02-24
WO2003058099A2 (de) 2003-07-17
DE10201250C1 (de) 2003-05-28
AU2002367303B2 (en) 2006-10-26
ES2248643T3 (es) 2006-03-16
EP1523439A2 (de) 2005-04-20
DE50204639D1 (de) 2005-11-24
US7322350B2 (en) 2008-01-29
AU2002367303A1 (en) 2003-07-24

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