WO2003058099A2 - DRUCKLUFTVERSORGUNGSSYSTEM FÜR EIN PREβLUFTATEMGERÄT - Google Patents
DRUCKLUFTVERSORGUNGSSYSTEM FÜR EIN PREβLUFTATEMGERÄT Download PDFInfo
- Publication number
- WO2003058099A2 WO2003058099A2 PCT/DE2002/004688 DE0204688W WO03058099A2 WO 2003058099 A2 WO2003058099 A2 WO 2003058099A2 DE 0204688 W DE0204688 W DE 0204688W WO 03058099 A2 WO03058099 A2 WO 03058099A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pressure
- medium
- compressed air
- connection
- supply system
- Prior art date
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)
- Separation By Low-Temperature Treatments (AREA)
- Pipeline Systems (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/501,123 US7322350B2 (en) | 2002-01-11 | 2002-12-21 | Compressed air supply system for a compressed air respiratory device |
EP02806016A EP1523439B1 (de) | 2002-01-11 | 2002-12-21 | Druckluftversorgungssystem fuer ein pressluftatemgeraet |
AU2002367303A AU2002367303B2 (en) | 2002-01-11 | 2002-12-21 | compressed air supply system for a compressed air respiratory device |
DE50204639T DE50204639D1 (de) | 2002-01-11 | 2002-12-21 | Druckluftversorgungssystem fuer ein pressluftatemgeraet |
AT02806016T ATE307055T1 (de) | 2002-01-11 | 2002-12-21 | Druckluftversorgungssystem fuer ein pressluftatemgeraet |
ZA2004/04050A ZA200404050B (en) | 2002-01-11 | 2004-05-25 | Compressed air supply system for a compressed air supply device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10201250.4 | 2002-01-11 | ||
DE10201250A DE10201250C1 (de) | 2002-01-11 | 2002-01-11 | Druckluftversorgungssystem für ein Preßluftatemgerät |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2003058099A2 true WO2003058099A2 (de) | 2003-07-17 |
WO2003058099A3 WO2003058099A3 (de) | 2005-02-24 |
Family
ID=7712166
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/004688 WO2003058099A2 (de) | 2002-01-11 | 2002-12-21 | DRUCKLUFTVERSORGUNGSSYSTEM FÜR EIN PREβLUFTATEMGERÄT |
Country Status (8)
Country | Link |
---|---|
US (1) | US7322350B2 (de) |
EP (1) | EP1523439B1 (de) |
AT (1) | ATE307055T1 (de) |
AU (1) | AU2002367303B2 (de) |
DE (2) | DE10201250C1 (de) |
ES (1) | ES2248643T3 (de) |
WO (1) | WO2003058099A2 (de) |
ZA (1) | ZA200404050B (de) |
Families Citing this family (6)
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 |
KR101047905B1 (ko) * | 2011-02-14 | 2011-07-08 | 주식회사 산청 | 공기통용 레귤레이터 |
EP3038716B1 (de) * | 2013-08-27 | 2018-11-14 | Honeywell International Inc. | Frischluftöffnungsmechanismus für atemanschluss einer umluftunabhängigen druckluftatemmaske mit offenem kreislauf |
GB2523334A (en) * | 2014-02-20 | 2015-08-26 | Draeger Safety Uk Ltd | Garment |
US20220249880A1 (en) * | 2019-07-26 | 2022-08-11 | 3M Innovative Properties Company | Low Pressure Alarm for Self-Contained Breathing Apparatus |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1152107A (fr) * | 1955-02-07 | 1958-02-12 | Spirotechnique | Appareil respiratoire à circuits de débit d'air et d'équilibrage distincts |
FR2733960A1 (fr) * | 1995-05-11 | 1996-11-15 | Sub Pratique | Appareil respiratoire autonome de plongee a raccords moyenne pression amont pouvant etre branches et debranches en plongee, et son procede d'utilisation |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1719225U (de) * | 1953-02-05 | 1956-03-22 | Draegerwerk Ag | Gasschutzmaske mit augenfenstern und pressluftzufuehrung. |
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 |
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 ES ES02806016T patent/ES2248643T3/es not_active Expired - Lifetime
- 2002-12-21 US US10/501,123 patent/US7322350B2/en not_active Expired - Lifetime
- 2002-12-21 EP EP02806016A patent/EP1523439B1/de not_active Expired - Lifetime
- 2002-12-21 WO PCT/DE2002/004688 patent/WO2003058099A2/de not_active Application Discontinuation
- 2002-12-21 DE DE50204639T patent/DE50204639D1/de not_active Expired - Fee Related
- 2002-12-21 AT AT02806016T patent/ATE307055T1/de not_active IP Right Cessation
- 2002-12-21 AU AU2002367303A patent/AU2002367303B2/en not_active Expired
-
2004
- 2004-05-25 ZA ZA2004/04050A patent/ZA200404050B/en unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1152107A (fr) * | 1955-02-07 | 1958-02-12 | Spirotechnique | Appareil respiratoire à circuits de débit d'air et d'équilibrage distincts |
FR2733960A1 (fr) * | 1995-05-11 | 1996-11-15 | Sub Pratique | Appareil respiratoire autonome de plongee a raccords moyenne pression amont pouvant etre branches et debranches en plongee, et son procede d'utilisation |
Also Published As
Publication number | Publication date |
---|---|
ATE307055T1 (de) | 2005-11-15 |
EP1523439B1 (de) | 2005-10-19 |
WO2003058099A3 (de) | 2005-02-24 |
EP1523439A2 (de) | 2005-04-20 |
AU2002367303A1 (en) | 2003-07-24 |
US20050115560A1 (en) | 2005-06-02 |
US7322350B2 (en) | 2008-01-29 |
DE10201250C1 (de) | 2003-05-28 |
ZA200404050B (en) | 2005-07-27 |
ES2248643T3 (es) | 2006-03-16 |
AU2002367303B2 (en) | 2006-10-26 |
DE50204639D1 (de) | 2005-11-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP0536546B1 (de) | Gebläseunterstütztes Atemschutzgerät mit einem aufsetzbaren Steuerteil | |
DE69301244T2 (de) | Sauerstoffmasken | |
DE69303135T2 (de) | Versorgungseinheit für industriegaz in einem tragbaren gerät | |
DE29909732U1 (de) | Tragevorrichtung für ein Atemschutzgerät | |
DE10315607B4 (de) | Belüftungssystem für Schutzbekleidung | |
EP0858757B1 (de) | Vorrichtung zur Erzeugung von Milchschaum für Cappuccino | |
WO2003058099A2 (de) | DRUCKLUFTVERSORGUNGSSYSTEM FÜR EIN PREβLUFTATEMGERÄT | |
DE29610973U1 (de) | Unterwasser-Atemgerät | |
DE69609166T2 (de) | Verbindungsstück für atemschutzgerät | |
DE1253587B (de) | Atemschutzgeraet mit Druckgasvorrat | |
DE19934078B4 (de) | Schaltventil für ein Atemschutzgerät | |
DE102017222199A1 (de) | Sauerstoffversorgungseinrichtung | |
DE9203660U1 (de) | Reinigungsvorrichtung für ein Kraftstoffeinspritzsystem | |
DE954477C (de) | Staubfilteergeraet | |
DE2712953A1 (de) | Kombinierte gasabsperr- und gasdruckpruefvorrichtung | |
EP1005623A1 (de) | Vorrichtung zur leitung von druckluft und flüssigem oder überkritischem kohlendioxid oder distickstoffmonoxid in einem schlauch | |
DE1133251B (de) | Druckgasatemschutzgeraet mit einer Rueckzugsignalvorrichtung | |
DE202021000822U1 (de) | Umrüstsatz einer handelsüblichen partikelfiltrierenden FFP2-Halbmaske zum Zweck einer Filterflächenerweiterung | |
DE1566597C (de) | Druckkammer für die Atmung von Patienten unter erhöhtem Sauerstoff-Partialdruck | |
DE267527C (de) | ||
DE29519463U1 (de) | Vorsatzventil | |
DE29910635U1 (de) | Prüfeinrichtung für einen Strömungsmelder | |
EP4431464A1 (de) | Armaturenanordnung zur wasserbehandlung von wasser für heizkreisläufe | |
DE4309450A1 (en) | Leak testing device for pressurised lines, esp. for gas - has pre-testing and main testing devices, water container with column indicator, air pump, and couplings with automatic valves | |
DE930307C (de) | Pressluftatemschutzgeraet |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A2 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BY BZ CA CH CN CO CR CU CZ DK DM DZ EC EE ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NO NZ OM PH PL PT RO RU SD SE SG SK SL TJ TM TN TR TT TZ UA UG US UZ VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A2 Designated state(s): GH GM KE LS MW MZ SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LU MC NL PT SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
DFPE | Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101) | ||
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2002806016 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004/04050 Country of ref document: ZA Ref document number: 200404050 Country of ref document: ZA |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2002367303 Country of ref document: AU |
|
WWE | Wipo information: entry into national phase |
Ref document number: 10501123 Country of ref document: US |
|
WWP | Wipo information: published in national office |
Ref document number: 2002806016 Country of ref document: EP |
|
WWG | Wipo information: grant in national office |
Ref document number: 2002806016 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: JP |
|
WWW | Wipo information: withdrawn in national office |
Ref document number: JP |