EP0190403A2 - Breathing protection apparatus with a breathing bag carried on the chest of the user - Google Patents

Breathing protection apparatus with a breathing bag carried on the chest of the user Download PDF

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Publication number
EP0190403A2
EP0190403A2 EP85113614A EP85113614A EP0190403A2 EP 0190403 A2 EP0190403 A2 EP 0190403A2 EP 85113614 A EP85113614 A EP 85113614A EP 85113614 A EP85113614 A EP 85113614A EP 0190403 A2 EP0190403 A2 EP 0190403A2
Authority
EP
European Patent Office
Prior art keywords
breathing bag
hollow body
breathing
oxygen
chest
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.)
Granted
Application number
EP85113614A
Other languages
German (de)
French (fr)
Other versions
EP0190403A3 (en
EP0190403B1 (en
Inventor
Klaus-Dieter Dahrendorf
Wilfried Hoffmann
Volker Hünnebeck
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.)
Auergesellschaft GmbH
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Auergesellschaft 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 Auergesellschaft GmbH filed Critical Auergesellschaft GmbH
Publication of EP0190403A2 publication Critical patent/EP0190403A2/en
Publication of EP0190403A3 publication Critical patent/EP0190403A3/en
Application granted granted Critical
Publication of EP0190403B1 publication Critical patent/EP0190403B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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

Definitions

  • the present invention relates to a breathing apparatus according to the preamble of claim 1.
  • the breathing bag worn in front of the chest can reach temperatures in the course of ventilation as a result of the released heat of reaction of the oxygen-developing chemical, which leads to a heat build-up between the breathing bag and the chest area, which can cause skin irritation or reddening on the device wearer.
  • the invention is therefore based on the object of creating a breathing bag which lowers the contact temperature between the breathing bag and the chest area of the device wearer using simple and space-saving means.
  • the advantages achieved by the invention are in particular that the special design and arrangement of the hollow body on the breathing bag ensures optimal heat dissipation between the breathing bag and the chest area of the device wearer.
  • an oxygen-evolving chemical cartridge 2 to which a breathing tube 3 is connected, is arranged inside a breathing bag 1.
  • the end of the breathing tube is provided with a mouthpiece, not shown in the drawing.
  • a heat formed as a hollow body 4 protection attached On the side of the breathing bag facing the device carrier is a heat formed as a hollow body 4 protection attached. The attachment takes place via two webs 5 which are arranged on the hollow body 4 and are led out laterally and which can be inserted into tabs 6 which are appropriately designed and attached to the breathing bag 1.
  • the tabs 6 are made of the same material as the breathing bag 1.
  • the hollow body 4 consists of a compressible material with low thermal conductivity, preferably made of silicone elastomers.
  • the hollow body 4 is cuboid and has thin-walled ribs 7 which are arranged at a distance from one another and divide the hollow body 4 into chambers (FIG. 2). These chambers serve as air channels A, the so-called. The cooler ambient air can flow through the chimney.
  • the contact surface B of the hollow body 4 is enlarged on the body side of the device carrier with respect to the contact surface C on the breathing bag 1 by a flap part 8 which projects somewhat beyond the upper edge of the breathing bag and covers it. This measure deflects the heat flow from the chin area of the device carrier.

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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)
  • Helmets And Other Head Coverings (AREA)

Abstract

Die Erfindung beschreibt einen vor der Brust zu tragenden Atembeutel mit einer sauerstoffentwickelnden Chemikalpatrone. die im Innern des Atembeutels angeordnet ist. Der Atembeutel (1) ist außen an der dem Körper des Gerätträgers zugewandten Seite mit einem oben und unten offenen Hohlkörper (4) als Abstandshalter zwischen Gerätträger und Atembeutel versehen, der aus einem kompressiblen Material geringer Wärmeleitfähigkeit besteht.The invention describes a breathing bag to be worn in front of the breast with an oxygen-developing chemical cartridge. which is arranged inside the breathing bag. The breathing bag (1) is provided on the outside on the side facing the body of the device carrier with a hollow body (4) open at the top and bottom as a spacer between the device carrier and breathing bag, which consists of a compressible material with low thermal conductivity.

Description

Die vorliegende Erfindung betrifft ein Atemschutzgerät nach dem Oberbegriff des Anspruchs 1.The present invention relates to a breathing apparatus according to the preamble of claim 1.

Bei Atemschutzgeräten der gattungsgemäßen Art, kann der vor der Brust getragene Atembeutel im Laufe der Beatmung infolge der freiwerdenden Reaktionswärme des sauerstoffentwickelnden Chemikals Temperaturen annehmen, die zwischen dem Atembeutel und dem Brustbereich zu einem Wärmestau führen, der beim Gerätträger Hautreizungen oder -rötungen hervorrufen kann.In the case of respiratory protective devices of the generic type, the breathing bag worn in front of the chest can reach temperatures in the course of ventilation as a result of the released heat of reaction of the oxygen-developing chemical, which leads to a heat build-up between the breathing bag and the chest area, which can cause skin irritation or reddening on the device wearer.

Der Erfindung liegt daher die Aufgabe zugrunde, einen Atembeutel zu schaffen, der mit einfachen und platzsparenden Mitteln die Berührungstemperatur zwischen dem Atembeutel und dem Brustbereich des Gerätträgers herabsetzt.The invention is therefore based on the object of creating a breathing bag which lowers the contact temperature between the breathing bag and the chest area of the device wearer using simple and space-saving means.

Diese Aufgabe wird erfindungsgemäß bei einem Atembeutel für Atemschutzgeräte der eingangs genannten Art durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is achieved in a breathing bag for breathing apparatus of the type mentioned by the characterizing features of claim 1.

Die mit der Erfindungerzielten Vorteile bestehen insbesondere darin, daß durch die besondere Ausführung und Anordnung des Hohlkörpers am Atembeutel eine optimale Wärmeabführung zwischen Atembeutel und dem Brustbereich des Gerätträgers gewährleistet ist.The advantages achieved by the invention are in particular that the special design and arrangement of the hollow body on the breathing bag ensures optimal heat dissipation between the breathing bag and the chest area of the device wearer.

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.Further advantageous embodiments of the invention result from the subclaims.

Ein Ausführungsbeispiel der Erfindung ist in der Zeichnung dargestellt und wird im folgenden näher beschrieben. Es zeigt

  • Fig. 1 eine perspektivische Darstellung des Atembeutels mit angepaßtem Hohlkörper als Wärmeschutz gegenüber dem Körper des Gerätträgers, und
  • Fig. 2 eine perspektivische Darstellung des Hohlkörpers.
An embodiment of the invention is shown in the drawing and will be described in more detail below. It shows
  • Fig. 1 is a perspective view of the breathing bag with an adapted hollow body as heat protection against the body of the device wearer, and
  • Fig. 2 is a perspective view of the hollow body.

Wie aus Fig. 1 ersichtlich ist, ist im Innern eines Atembeutels 1 eine sauerstoffentwickelnde Chemikalpatrone 2 angeordnet, an die ein Atemschlauch 3 angeschlossen ist. Das Atemschlauchende ist mit einem in der Zeichnung nicht dargestellten Mundstück versehen. An der dem Gerätträger zugewandten Atembeutelseite ist ein als Hohlkörper 4 ausgebildeter Wärmeschutz befestigt. Die Befestigung erfolgt über zwei am Hohlkörper 4 angeordnete und seitlich herausgeführte Stege 5, die in entsprechend ausgebildete und am Atembeutel 1 befestigte Laschen 6 einsteckbar sind. Die Laschen 6 sind aus dem selben Material, wie der Atembeutel 1. Der Hohlkörper 4 besteht aus einem kompressiblen Material geringer Wärmeleitfähigkeit, und zwar vorzugsweise aus Silikon-Elastomere. Dadurch ist es möglich, daß der außen am Atembeutel 1 angeordnete Hohlkörper 4 einerseits für eine dichte Packlage des Atemschutzgerätes im Bereitschaftsbehälter einfach zusammenlegbar ist und andererseits für die Betriebslage eine hohe Rückstellkraft besitzt, die den Hohlkörper wieder in die vorgegebene Form aufrichtet, um die Funktion als abstandshaltenden Wärmeschutz erfüllen zu können.As can be seen from FIG. 1, an oxygen-evolving chemical cartridge 2, to which a breathing tube 3 is connected, is arranged inside a breathing bag 1. The end of the breathing tube is provided with a mouthpiece, not shown in the drawing. On the side of the breathing bag facing the device carrier is a heat formed as a hollow body 4 protection attached. The attachment takes place via two webs 5 which are arranged on the hollow body 4 and are led out laterally and which can be inserted into tabs 6 which are appropriately designed and attached to the breathing bag 1. The tabs 6 are made of the same material as the breathing bag 1. The hollow body 4 consists of a compressible material with low thermal conductivity, preferably made of silicone elastomers. This makes it possible for the hollow body 4 arranged on the outside of the breathing bag 1 to be easily collapsible on the one hand for a dense packing position of the breathing apparatus in the standby container and on the other hand to have a high restoring force for the operating position, which straightens the hollow body back into the predetermined shape in order to function as to be able to fulfill spacing thermal protection.

Der Hohlkörper 4 ist quaderförmig ausgebildet und weist dünnwandige Rippen 7 auf, die in einem Abstand zueinander angeordnet, den Hohlkörper 4 in Kammern unterteilen (Fig. 2). Diese Kammern dienen als Luftkanäle A, die durch sogen. Schornsteinwirkung von der kühleren Umgebungsluft durchströmbar sind.The hollow body 4 is cuboid and has thin-walled ribs 7 which are arranged at a distance from one another and divide the hollow body 4 into chambers (FIG. 2). These chambers serve as air channels A, the so-called. The cooler ambient air can flow through the chimney.

Die Anlagefläche B des Hohlkörpers 4 ist an der Körperseite des Gerätträgers gegenüber der Anlagefläche C am Atembeutel 1 um ein Lappenteil 8 vergrößert, das etwas über den oberen Atembeutelrand hinausragt und diesen abdeckt. Durch diese Maßnahme wird die Wärmeströmung von der Kinnpartie des Gerätträgers abgelenkt.The contact surface B of the hollow body 4 is enlarged on the body side of the device carrier with respect to the contact surface C on the breathing bag 1 by a flap part 8 which projects somewhat beyond the upper edge of the breathing bag and covers it. This measure deflects the heat flow from the chin area of the device carrier.

Verstärkungsrippen 9 halten das Lappenteil 8 in einer hochstehenden Lage. Dadurch, daß die Anlageflächen B, C des Hohlkörpers 4 durch die dünnwandigen Rippen 7, 9 verbunden sind, wird auch vorteilhaft erreicht, daß

  • a) innerhalb des Hohlkörpers 4 die Wärmeleitung gering gehalten wird,
  • b) die Rippen 7, 9 als Kühlrippen Wärme an die Umgebungsluft abgeben.
Reinforcing ribs 9 hold the tab part 8 in an upright position. The fact that the contact surfaces B, C of the hollow body 4 are connected by the thin-walled ribs 7, 9 also advantageously achieves that
  • a) the heat conduction is kept low within the hollow body 4,
  • b) the fins 7, 9 emit heat to the ambient air as cooling fins.

Claims (6)

1. Atemschutzgerät als Sauerstoffselbstretter, insbesondere als Fluchtgerät, bestehend aus einem vor der Brust zu tragendem Atembeutel, der mit einer im Innern angeordneten sauerstoffentwickelnden Chemikalpatrone versehen ist und aus einem Bereitschaftsbehälter, dadurch gekennzeichnet, daß der Atembeutel (1) außen an der dem Körper des Gerätträgers zugewandten Seite einen oben und unten offenen, quaderförmigen Hohlkörper (4) als Abstandshalter zwischen Gerätträger und Atembeutel aufweist, der aus einem kompressiblen Material geringer Wärmeleitfähigkeit besteht.1. Respirator as oxygen self-rescuer, in particular as an escape device, consisting of a breathing bag to be worn in front of the chest, which is provided with an oxygen-developing chemical cartridge arranged inside and from a standby container, characterized in that the breathing bag (1) on the outside of the body of the Device carrier facing side has a cuboid hollow body (4) open at the top and bottom as a spacer between the device carrier and breathing bag, which consists of a compressible material with low thermal conductivity. 2. Atemschutzgerät als Sauerstoffselbäretter nach Anspruch 1, dadurch gekennzeichnet, daß der Hohlkörper (4) dünnwandige Rippen (7, 9) aufweist, die in einem Abstand zueinander angeordnet, den Hohlkörper in Kammern unterteilen und dadurch Luftkanäle (A) bilden, die durch Schornsteinwirkung von der Umgebungsluft durchströmbar sind.2. Respirator as oxygen selbearet according to claim 1, characterized in that the hollow body (4) has thin-walled ribs (7, 9) which are arranged at a distance from one another, divide the hollow body into chambers and thereby form air channels (A) which are caused by chimney action can be flowed through by the ambient air. 3. Atemschutzgerät als Sauerstoffselbstretter nach Anspruch 1, dadurch gekennzeichnet, daß der Hohlkörper (4) seitlich herausgeführte Stege (5) aufweist, die in entsprechend ausgebildete und am Atembeutel (1) befestigte Laschen (6) einsteckbar sind.3. Respiratory protective device as an oxygen self-rescuer according to claim 1, characterized in that the hollow body (4) has laterally led out webs (5) which can be inserted into tabs (6) which are appropriately designed and attached to the breathing bag (1). 4. Atemschutzgerät nach Anspruch 1, dadurch gekennzeichnet, daß der Hohlkörper (4) aus einem elastischen Kunststoff besteht, insbesondere aus Silikon-Elastomere.4. Respiratory protection device according to claim 1, characterized in that the hollow body (4) consists of an elastic plastic, in particular of silicone elastomers. 5. Atemschutzgerät nach Anspruch 1, dadurch gekennzeichnet, daß die Anlagefläche (B) des Hohlkörpers (4) an der Körperseite des Gerätträgers gegenüber der Anlagenfläche (C) am Atembeutel (1) um ein Lappenteil (8) vergrößert ist.5. Respiratory protective device according to claim 1, characterized in that the contact surface (B) of the hollow body (4) on the body side of the device carrier relative to the contact surface (C) on the breathing bag (1) is enlarged by a flap part (8). 6. Atemschutzgerät nach Anspruch 1 und 5, dadurch gekennzeichnet, daß Verstärkungsrippen (9) das Lappenteil (8) in einer hochstehenden Lage halten.6. Respiratory protective device according to claim 1 and 5, characterized in that reinforcing ribs (9) hold the flap part (8) in an upright position.
EP85113614A 1985-02-02 1985-10-25 Breathing protection apparatus with a breathing bag carried on the chest of the user Expired - Lifetime EP0190403B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3503628 1985-02-02
DE19853503628 DE3503628A1 (en) 1985-02-02 1985-02-02 RESPIRATOR, WITH A BREATH TO BE WEARED IN FRONT OF THE CHEST

Publications (3)

Publication Number Publication Date
EP0190403A2 true EP0190403A2 (en) 1986-08-13
EP0190403A3 EP0190403A3 (en) 1987-09-16
EP0190403B1 EP0190403B1 (en) 1990-12-19

Family

ID=6261546

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85113614A Expired - Lifetime EP0190403B1 (en) 1985-02-02 1985-10-25 Breathing protection apparatus with a breathing bag carried on the chest of the user

Country Status (7)

Country Link
US (1) US4840170A (en)
EP (1) EP0190403B1 (en)
JP (1) JPS61181474A (en)
CN (1) CN1004329B (en)
DE (1) DE3503628A1 (en)
SU (1) SU1494854A3 (en)
ZA (1) ZA859688B (en)

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US5490501A (en) * 1994-05-16 1996-02-13 Crowley; Thomas J. Avalanche victim's air-from-snow breathing device
JP3480114B2 (en) * 1995-04-20 2003-12-15 株式会社菊池製作所 Oxygen respirator
US5495847A (en) * 1995-05-17 1996-03-05 Hu; Wei Survival hood
US5535736A (en) * 1995-06-23 1996-07-16 Jzaw; Gwo-Shyong Inflatable mouthpiece
WO1998009674A1 (en) * 1996-09-06 1998-03-12 Mine Safety Appliances Company Closed circuit escape breathing apparatus
US5765549A (en) * 1997-05-20 1998-06-16 Dragerwerk Ag Respirator
US20040221841A1 (en) * 2003-05-05 2004-11-11 Herschel David Matthew Breathing apparatus for reducing fogging of lenses caused by breath vapor
US20060225734A1 (en) * 2005-04-08 2006-10-12 Ox-Gen Inc. Filter for oxygen delivery systems
US20070048201A1 (en) * 2005-08-24 2007-03-01 Ox-Gen, Inc. Oxygen generation system and method
JP2015163012A (en) * 2014-02-28 2015-09-07 日本電産サンキョー株式会社 motor unit
US11305079B2 (en) * 2018-05-08 2022-04-19 Optimal Breathing, Llc Oxygen enhanced exercise and rest system

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FR1549605A (en) * 1967-01-20 1968-12-13
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Also Published As

Publication number Publication date
EP0190403A3 (en) 1987-09-16
CN85109447A (en) 1986-07-30
ZA859688B (en) 1986-08-27
JPH042075B2 (en) 1992-01-16
SU1494854A3 (en) 1989-07-15
EP0190403B1 (en) 1990-12-19
DE3503628A1 (en) 1986-08-14
US4840170A (en) 1989-06-20
DE3503628C2 (en) 1988-02-04
CN1004329B (en) 1989-05-31
JPS61181474A (en) 1986-08-14

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