DE893015C - Pressurized gas container for breathing apparatus - Google Patents

Pressurized gas container for breathing apparatus

Info

Publication number
DE893015C
DE893015C DED10948A DED0010948A DE893015C DE 893015 C DE893015 C DE 893015C DE D10948 A DED10948 A DE D10948A DE D0010948 A DED0010948 A DE D0010948A DE 893015 C DE893015 C DE 893015C
Authority
DE
Germany
Prior art keywords
valve
pressurized gas
gas container
breathing apparatus
room
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
Application number
DED10948A
Other languages
German (de)
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.)
Draegerwerk AG and Co KGaA
Original Assignee
Draegerwerk AG and Co KGaA
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 Draegerwerk AG and Co KGaA filed Critical Draegerwerk AG and Co KGaA
Priority to DED10948A priority Critical patent/DE893015C/en
Application granted granted Critical
Publication of DE893015C publication Critical patent/DE893015C/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0147—Shape complex
    • F17C2201/0166—Shape complex divided in several chambers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0617—Single wall with one layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0329—Valves manually actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0335—Check-valves or non-return valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0391—Arrangement of valves, regulators, filters inside the pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0388—Arrangement of valves, regulators, filters
    • F17C2205/0394—Arrangement of valves, regulators, filters in direct contact with the pressure vessel
    • F17C2205/0397—Arrangement of valves, regulators, filters in direct contact with the pressure vessel on both sides of the pressure vessel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/011—Oxygen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/03—Mixtures
    • F17C2221/031—Air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/079—Respiration devices for rescuing

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)

Description

Druckgasbehälter für Atemschutzgeräte Bei einer bekannten Gruppe von Atemschutzgeräten wird der Gerätträger aus einem im Atemschtitzgerät mitgeführten Preßluft- oder Sauerstoffvorrat versorgt. Dabei ist es bekannt, einen Druckmesser anzuordnen, an dem der Gerätträger feststellen kann, wie weit der von ihm mitgefüihrte Preßgasvorrat noch reicht. Der Gerätträger kann Jedoch das Ablesen des Druelkmessers vergessen, so daß er das Absinken des Druckes nicht merkt und versäumt, -die Gefahrenzone rechtzeitig vor dem Verbrauch des Preß,-,asvorrates zu verlassen.Pressurized gas containers for breathing apparatus in a known group of The device carrier is carried out in the breathing apparatus from a breathing apparatus Compressed air or oxygen supply supplied. It is known to use a pressure gauge to be arranged on which the device wearer can determine how far the one he is carrying Compressed gas supply is still sufficient. The device wearer can, however, read the pressure gauge forgotten so that he does not notice the drop in pressure and neglects to enter the danger zone in good time before the press, - to leave asvorrats.

Es sind weiterhin Warnvorrichtungen für Sauerstoffatemschutzgeräte bekannt, bei denen beim Sinken des Sauerstoffdruckes im Sauerstoffvorratsbehälter auf ein bestimmtes Maß ein Warnsignal gegeben wird, indem ein Sauerstoffstrom durch eine Warnpfeife geleitet wird, die dadurch zum Tönen gebracht wird. Die Erfindung erstrebt eine einfache Vorrichtung, die den iGerätträger darauf hinweist, daß der Preßluft- oder Sauerstoffvorrat bald erschöpft ist.There are still warning devices for oxygen breathing apparatus known, in which when the oxygen pressure in the oxygen storage tank drops to a certain extent a warning signal is given by a flow of oxygen through it a warning whistle is conducted, which is then made to sound. The invention strives for a simple device that indicates the device wearer that the Compressed air or oxygen supply will soon be exhausted.

Die Erfindung betrifft einen Druckgasbehälter und besteht darin, daß dieser in zwei Räume vorzugsweise unterschiedlicher Größe unterteilt ist, die über ein von außen bedienbares Ventil rniteinander in Verbindung stehen. An dein einen-, im allgemeinen größeren Raum des Druckgasbehälters, der mit einem normalen Füll- bzw. Entnahmeventil versehlen ist, ist der Anschluß,stutzen des Gerätes angeschlossen!. Beim Gebrauch des Atemschutzgerätes entleert sich zunächst der unmittelbar mit ihm verbundene Raum des Druckgasbehälters. Der Gerätträger erkennt die Entleerung an, dem deutlich spür-baren Luftmangel. Er 'kann nun das Verbindungsventil zwischen den beidenRäumen öffnen, so -daß der Inhalt des zweiten Raumes des Druckgasbehälters zum Gerät strömen kann: Der Gerätträger ist einerseits gewarnt und hat andererseits genügend Gasvorrat fÜr den Rückzug.The invention relates to a pressurized gas container and consists in that this is divided into two rooms, preferably of different sizes, which are about an externally operable valve are in communication with one another. To your one-, generally larger space of the pressurized gas container, which is filled with a normal filling or the extraction valve is missing, the connection, the nozzle of the device is connected! When using the respirator, the first empties immediately with it connected space of the pressurized gas container. The device carrier recognizes the emptying, the clearly noticeable lack of air. He 'can now the connecting valve between open the two spaces so that the contents of the second space of the pressurized gas container to the Device can flow: The device wearer is warned on the one hand and has on the other enough gas supply for the retreat.

Beim Füllen der Flasche -wird das Verbindungsventil geöffnet. Um zu verhind&ü, daß bei einem versehentlichen Nichtöffnen des die beiden Räume miteinander - verbindenden Ventils beim Füllen der 'hinter deniVentil liegende Raum nicht gefüllt wird, können die Räume,des Druckgasbehälters außerdem über ein Rückschlagventil miteinander in Verbindung stehen, das sich in Richtung von dem an die Fülleitung angeschlossenen Raum zum anderen Raum öffnet. Durch das Rückschlagventit wird der zweite Raum ebenfalls gefüllt. Ein Rückströmen ,des Druckgases in den vorgeschalteten, größeren Raum beim Gebrauch der Flasche wird vermieden. Dabei kann das Rückschlagventil auch #o ausgebildet sein, daß es von außen von Hand geöffnet werden kann. Ein derartiges Ventil übernimmt die Funktionen des Absperrveritils und eines Rückschlagventils.When the bottle is filled, the connecting valve is opened. To verhind & ü that of the two compartments in the event an accidental failure to open one another - connecting valve during filling of the 'is not filled behind deniVentil lying space, the spaces of the pressure gas container can also communicate via a non-return valve with each other, which is the direction of The room connected to the filling line opens to the other room. The second room is also filled by the non-return valve. A backflow of the pressurized gas into the upstream, larger space when using the bottle is avoided. The check valve can also be designed so that it can be opened manually from the outside. Such a valve takes over the functions of the shut-off valve and a check valve.

In der Zeichnung sind zwei Ausführungsformen einer Dr-uckgasflaßche schematisch dargestellt.In the drawing are two embodiments of a pressure gas bottle shown schematically.

Bei der Ausfuhrungsform nach Abb. ii ist innere halb des Druckgasbehälters i eine Trennwand 2 *angeordnet. Diese -unterteilt den Behälter in den größeren Raum 3 und in den Reserverallm 4. Der Behälter i trägt an seinem Anschlußstutzen 5 das Verschlußventil 6, durch das das Druckgas eingefüllt und über das das Druckgas beim Gebrauch entnommen wird. Die Trennwand 2, ist mit einem --Durchgangsventil versehen, das aus dem Ventilsitz 7 und dem Verschlußstück 8 besteht. Dieses steht unter Zwischenschaltung dex Spindel 9 mit dem Handrad io in Verbindung. Beim Füllen des Druclkgasb-ehälters werden die Ventile 6 und 7, 8 geöffnet. Die beiden Räume 3 und 4 füllen sich gleichmäßig mit Druckgas. Danach werden beide Ventile geschlossen. - Der Druckgasbehälter wird in das Atemschutzgerät eingesetzt. Wenn dieses angelegt wird, wird zunächst das Venti16 geöffnet. Der Gerätträger verbraucht nach und nach den Inhalt des Raumes 3. Wenn der Gerätträger Luftmangel verspürt, -weil der Raum 3 leergeatmet wurde öffnet er - das Ventil 7, 8; Druckgas kann aus dem Reserverallm 4 in den Raum 3 Überströmen., so daß der Druck in beiden Räumen sich ausgleicht. Der Ge#ätt'rä,-,er- hat' nun hach - ein-en genüggendenGasvorrat, um denRückzug anzutreten, In deT Trennwand 2 kann außer-dem das Rückschlagventil ii eingesetzt sein. Dieses öffnet sich in Richtung vom Raum 3 Zum Raum 4, so daß auch bei geschlossenem Ventil 7, 8 beim Füllen des Druckgasbehälters beide Räume annähernd gleichmäßig mit Druckgas gefüllt werden. Das Rückschlag-ventil verhindert ein vorzeitiges Abströmen des Druckgases aus dem Raum 4.In the embodiment according to Fig. Ii, a partition wall 2 * is arranged inside half of the pressurized gas container i. This -unterteilt the container into the larger chamber 3 and in the Reserverallm 4. The container i carries at its connection piece 5, the shutter valve 6 through which the pressurized gas is filled and through which the compressed gas is withdrawn during use. The partition wall 2 is provided with a straight-way valve, which consists of the valve seat 7 and the closure piece 8 . This is connected to the handwheel io with the interposition of the spindle 9. When the Druclkgasb-e container is filled, the valves 6 and 7, 8 are opened. The two rooms 3 and 4 fill evenly with pressurized gas. Then both valves are closed. - The pressurized gas container is inserted into the breathing apparatus. When this is applied, the Venti16 is opened first. The device wearer gradually consumes the contents of room 3. If the device wearer feels a lack of air, -because the room 3 has been breathed empty, he opens - the valve 7, 8; Pressurized gas can flow over into space 3 from the reserve chamber 4, so that the pressure in both spaces is equalized. The Ge # ätt'rä, - "he" has now - a sufficient gas supply to begin the withdrawal. In the partition 2, the check valve ii can also be inserted. This opens in the direction from room 3 to room 4, so that even when the valve 7, 8 is closed when filling the pressurized gas container, both rooms are almost evenly filled with pressurized gas. The check valve prevents the pressurized gas from flowing out of space 4 prematurely.

Die Ausführungsform nach Abb. 2 unterscheidet sich von derjenigen nach Abb. i dadurch, daß die Ventile -7, 8 und i i gleichsam in einem Ventil vereinigt sind. Das Rückschlagventil i i iist zentral angeordnet. Der Ventilschaft trägt an seinem freien Ende eine Scheibe 1:2, gegen die sich beidseitig die doppeliarmigen Hebel 13 und 14 anWgen können. Beim Drehen des Handrades 15 bewegt sich die Ventilspindiel 16, in Richtung zu dem Ventil ii, so daß die Kanten des Tellers 17 die na)ch außen gerichteten Arme der Hebel ti-3 und 14 in gleicher 3 Richtung wegdrücken, wobei das Ventil von seinem Sitz gehoben wird. Der Reserveraum 18 steht dann mit dem Hauptraum ig in Verbindung. Beim Zurückdrehen des Tellers17 schließt sich das Ventil i i. Beim Ansteigendes Druckes im Raum ig beim Füllen der Flasche wird das Ventil wiederum geöffnet, so daß automatisch auch der Raum 18 gefüllt wird.The embodiment according to Fig. 2 differs from that according to Fig. I in that the valves -7, 8 and ii are combined, as it were, in one valve. The check valve ii is arranged centrally. The valve stem has a 1: 2 disk at its free end, against which the double-armed levers 13 and 14 can act on both sides. When the handwheel 15 is turned, the valve spindle 16 moves in the direction of the valve ii, so that the edges of the plate 17 push the arms of the levers ti-3 and 14 away from the outside in the same 3 direction, the valve from his Seat is lifted. The reserve room 18 is then connected to the main room ig. When the plate 17 is turned back, the valve i i closes. When the pressure in the room ig increases when the bottle is filled, the valve is opened again, so that the room 1 8 is automatically filled.

Claims (3)

PATENTANSPRÜCHE-i. Druckgasbehälter für Atemschutzgeräte, dadurch gekennzeichnet, daß dieser in zwei Räume vorzugsweise unterschiedlicher Größe .unterteilt ist,die über ein von außen bedienbares Absperrventil miteinander in Verbindung stehen. PATENT CLAIMS-i. Pressurized gas containers for breathing apparatus, thereby characterized in that it .unterteils into two rooms, preferably of different sizes which are connected to one another via an externally operated shut-off valve. 2. Druckgasbehälter nach Anspruch i, dadurch gekennzeichnet, daß die Räume außerdem über ein Rückschlagventil miteinander in Verbindung stehen, das sich in Richtung von dern mit dem Füll- bzw. 2. Pressurized gas container according to claim i, characterized in that the spaces also are in communication with one another via a non-return valve that extends in the direction of from those with the filling resp. Zapfenventil versehenen Raum zum anderen, vorzugsweise -kleineren Raum öffnet. 3. Druckgasbehälter nach Anspruch 2, daidurch gekennzeichnet, daß das Absperrventil als von Hand zu öffnendes- Rückschlagvehtif aus--gebildet ist.Spigot valve-provided space opens to the other, preferably smaller, space. 3. Pressurized gas container according to claim 2, characterized in that the shut-off valve as a hand-openable non-return valve - is formed.
DED10948A 1951-11-22 1951-11-22 Pressurized gas container for breathing apparatus Expired DE893015C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DED10948A DE893015C (en) 1951-11-22 1951-11-22 Pressurized gas container for breathing apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED10948A DE893015C (en) 1951-11-22 1951-11-22 Pressurized gas container for breathing apparatus

Publications (1)

Publication Number Publication Date
DE893015C true DE893015C (en) 1953-10-12

Family

ID=7033552

Family Applications (1)

Application Number Title Priority Date Filing Date
DED10948A Expired DE893015C (en) 1951-11-22 1951-11-22 Pressurized gas container for breathing apparatus

Country Status (1)

Country Link
DE (1) DE893015C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640353A1 (en) * 1988-12-13 1990-06-15 Eferel Sa Safety packaging device, particularly for transporting, storing, and dispensing gas
EP3951238A1 (en) * 2020-08-07 2022-02-09 AEREA S.p.A. Dual tank pneumatic valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2640353A1 (en) * 1988-12-13 1990-06-15 Eferel Sa Safety packaging device, particularly for transporting, storing, and dispensing gas
EP3951238A1 (en) * 2020-08-07 2022-02-09 AEREA S.p.A. Dual tank pneumatic valve
US12060975B2 (en) 2020-08-07 2024-08-13 Aerea S.P.A. Dual tank pneumatic valve

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