EP2548619B1 - Rucksack mit einer tragbaren Vorrichtung zum schnellen Aufblasen eines Lawinen-Airbags - Google Patents
Rucksack mit einer tragbaren Vorrichtung zum schnellen Aufblasen eines Lawinen-Airbags Download PDFInfo
- Publication number
- EP2548619B1 EP2548619B1 EP12176665.3A EP12176665A EP2548619B1 EP 2548619 B1 EP2548619 B1 EP 2548619B1 EP 12176665 A EP12176665 A EP 12176665A EP 2548619 B1 EP2548619 B1 EP 2548619B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- backpack
- airbag
- intake chamber
- compressed gas
- chamber
- 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.)
- Active
Links
- 230000007246 mechanism Effects 0.000 claims description 20
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 16
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 8
- 239000001569 carbon dioxide Substances 0.000 claims description 8
- 230000001133 acceleration Effects 0.000 claims description 4
- 230000002441 reversible effect Effects 0.000 claims description 2
- 239000003570 air Substances 0.000 claims 7
- 239000012080 ambient air Substances 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 36
- 238000010276 construction Methods 0.000 description 12
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06D—MEANS FOR GENERATING SMOKE OR MIST; GAS-ATTACK COMPOSITIONS; GENERATION OF GAS FOR BLASTING OR PROPULSION (CHEMICAL PART)
- C06D5/00—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets
- C06D5/02—Generation of pressure gas, e.g. for blasting cartridges, starting cartridges, rockets by decompressing compressed, liquefied or solidified gases
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B33/00—Devices for allowing seemingly-dead persons to escape or draw attention; Breathing apparatus for accidentally buried persons
-
- 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
- F17C7/00—Methods or apparatus for discharging liquefied, solidified, or compressed gases from pressure vessels, not covered by another subclass
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B29/00—Apparatus for mountaineering
- A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
- A63B29/021—Means for indicating the location of accidentally buried, e.g. snow-buried, persons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C9/00—Life-saving in water
- B63C2009/0023—Particular features common to inflatable life-saving equipment
- B63C2009/007—Inflation devices comprising manual activation means, e.g. for puncturing gas-generating cartridges
Definitions
- the portable device of elongated overall shape, comprises at least one inlet intended to be connected to a source of compressed gas under high pressure, to allow the latter to relax in an air intake chamber, the inlet being associated with a mechanism for triggering the release of the compressed gas to the air intake chamber.
- the latter has an opening intended to allow the admission of surrounding air and an outlet intended to be connected to the bag to be inflated.
- the gas is injected into a cylindrical air intake chamber provided in each of the inflation mechanisms by an injection nozzle disposed substantially in alignment with the central axis of the air intake chamber.
- the latter has a plurality of openings in its side wall to allow the suction of surrounding air as a consequence of the injection of the gas under high pressure.
- the sucked air is accelerated by Venturi effect to quickly inflate the corresponding inflatable bag with a sufficient volume, by applying a multiplication factor (volume air / volume compressed gas) to that of the volume of compressed gas available, thanks to the addition of air.
- Each of the inflation mechanisms further comprises a check valve to prevent the corresponding inflatable bag from deflating through the inlet when it is fully inflated.
- compressed air As an alternative to nitrogen, it is also known to use compressed air as compressed gas under high pressure.
- the multiplication factor applied in the known devices is not very high, of the order of 2 to 3 (that is to say that the volume of surrounding air injected into the airbag is the order of 2 to 3 times the volume that represents the gas in the airbag once it is decompressed) and requires the use of a large volume of compressed gas to inflate the airbag.
- the size of the compressed gas cartridge thus contributes significantly to the overall size of the inflation device, which is why the above-mentioned US patent proposes an architecture of the device in a modular form, that is, that is to say to arrange the various components of the device in different places of a bag, for example.
- an avalanche protection airbag should be inflated in approximately 2 to 4 seconds.
- a main object of the present invention is to overcome the drawbacks of inflation devices known from the prior art, by proposing such a device that effectively meets the constraints set out above, in particular by making it possible to inflate an airbag in the required time and, having a small footprint and ease of assembly / disassembly.
- the present invention relates to a backpack according to claim 1.
- the inflation device comprises an intermediate chamber for dispensing the compressed gas, arranged between the inlet and the air inlet chamber to connect them to the to one another and a plurality of ejection holes arranged to open into a side wall of the air inlet chamber to connect the latter to the intermediate distribution chamber.
- the device according to the invention is more effective in the implementation of the surrounding air intake, which allows it. to achieve a multiplication factor greater than that of known devices and therefore to resort to the use of compressed gas cartridges of smaller size.
- the intermediate distribution chamber is generally at least partially annular and is arranged at the periphery of the inlet chamber.
- the side wall of the inlet chamber into which the ejection holes open is located between the opening and the outlet.
- the device comprises a first cylindrical tube whose internal wall defines the side wall of the intake chamber, and a second cylindrical tube, coaxial with the first tube and arranged at least partially around it for define between them the intermediate chamber of distribution. At least two seals are provided to delineate the latter in an axial direction.
- the first and second tubes are advantageously secured to each other by screwing or by means of a bayonet mechanism.
- Such an architecture ensures a simplified manufacturing process of the various components of the device, as well as their assembly or disassembly, for example for maintenance operations.
- the ejection holes preferably have an inclination substantially between 10 and 20 degrees with reference to the direction longitudinal of the device and a diameter substantially between 0.2 and 1mm, preferably between 0.5 and 0.8mm.
- the device advantageously comprises between 2 and 10 ejection holes.
- the inlet has a fastener for a sealed cartridge containing a compressed gas under high pressure.
- the trigger mechanism comprises a first needle controlled by a user operable drive mechanism, to be moveable between at least first and second positions and to perforate the sealed cartridge to release compressed gas therefrom.
- the fixing member may advantageously comprise a tapping which can cooperate by screwing with a thread provided on the sealed cartridge.
- the device comprises a second input similar to the first input, intended to receive a second sealed cartridge of compressed gas and, associated with an additional trigger mechanism comprising a second needle, arranged to be controlled simultaneously with the first needle and perforate the second sealed cartridge to release the compressed gas.
- carbon dioxide cartridges can be used.
- carbon dioxide is a gas that has good compressibility, which allows to store a large potential volume in a cartridge of the type used in current airbags. This is one of the reasons, in addition to its low price, for which this gas is generally used to inflate lifejackets in vehicles such as boat or plane, for example.
- the intake chamber comprises an acceleration cone arranged between the holes ejection and the outlet, preferably having a length substantially between 60 and 150mm.
- the device advantageously comprises a reversible attachment member to an inflatable pocket, the latter preferably being arranged at a distance from the exit, so that the acceleration cone is likely to be at least partially accommodated in the pocket. inflatable in use configuration.
- the present invention also relates to an assembly comprising a device meeting the above characteristics with at least one sealed high pressure compressed gas cartridge.
- the figure 1 is a simplified perspective view of a portable rapid inflating device of an inflatable bag according to a preferred embodiment of the present invention. More specifically, the device shown is suitable for rapid inflation of an avalanche protection air bag.
- the device of the figure 1 of generally elongated shape, is provided for inflating an airbag by means of two cartridges 2 of compressed gas, sealed.
- the cartridges 2 may be standard carbon dioxide cartridges, preferably containing 33 grams of carbon dioxide each, at a pressure of the order of 200 bars and available anywhere in the world. a very moderate price. Indeed, these cartridges are generally used, for example, to inflate the lifejackets found in aircraft.
- the cartridges 2 are assembled to a central body 4 of the device.
- the latter carries an air intake cylinder 6 on one side and an air ejection tube 8 on the other side. It is preferable to provide that an unillustrated filter is arranged around the air intake cylinder 6 to prevent a large element from coming to obstruct it.
- first and second levers 10 intended to be pivoted, in response to an action of a user to release the compressed gas, are assembled to the central body 4.
- the central body 4 here has a threaded cylindrical support portion 12 on which are screwed rings 14 for holding the airbag.
- a circular opening may be provided in the latter to insert the air ejection tube 8 and one of the two washers 14, the other washer then being screwed against the first to lock the periphery of the opening the airbag by pinching.
- the figure 2 represents an exploded and simplified perspective view of the device of the figure 1 , allowing to better understand the construction.
- levers 10 are pivotally mounted on the central body 4 via rods 16.
- Each lever 10 carries a cam 18, made in one piece with the lever here for illustrative purposes, arranged to act on a needle 20 mounted free in translation in a bore 21 adapted to the central body, with the interposition of a seal 22 and a spring 24, the functions of which will be explained later.
- the ejection tube 8 comprises a first main portion 26 intended to be screwed inside the central body 4 and intended to carry a cylindrical end portion 28 defining the output of the device in the airbag.
- the main portion 26 has a first part 30, of generally cylindrical shape, intended to define the inlet of an air inlet chamber 32 at its center and an intermediate distribution chamber in relation to the central body 4, such that will emerge from the detailed description of the figure 5 .
- the first portion 30 also has a thread 34 to ensure its screwing into the central body, with the interposition of two seals 36 or O-rings, spaced apart from each other in the longitudinal direction of the device.
- a second portion 38 extends the first with a generally conical shape.
- the main function of this second part is to accelerate the air introduced by the inlet of the air intake chamber 32, by Venturi effect, in a known manner, in order to inject it into the airbag and inflate it. latest.
- the second portion 38 carries a cylindrical thread 40 at the end of the conical portion of large diameter, to allow the screw fixing of the end portion 28.
- a non-return membrane 42 is interposed between the second portion 38 and the end portion 28 being held by clamping between these two elements.
- the non-return membrane is made here in the form of a disc having a circular slot near its periphery extending for a little less than 360 degrees, so as to define a central disk retained on the periphery by a thin tongue .
- the central disk is pivotable relative to the peripheral portion to let air in one direction, while it is blocked against the second portion 38, in the other direction, to prevent gas and the air come out of the airbag.
- the non-return diaphragm provides optimum operational safety and robustness for a small number of components.
- a thin rod 44 may be provided, in the second portion 38 for safety, to define a stop for the pivoting disc and prevent deformation of the non-return diaphragm in the direction of exit of the airbag, what could happen in case of application of a large and brutal pressure on the latter, in the absence of such a stop.
- the figure 3 represents a simplified cross-sectional view of a construction detail of the device of the figure 1 , more precisely, the mechanism for triggering the release of the gas from the cartridges 2.
- Each cartridge 2 is screwed to an inlet 46 of the inflation device, in the axis of displacement of the needles 20.
- Each cam 18 has a spout 48 for exerting pressure on the corresponding needle opposing the force of the spring 24 held in abutment in the central body.
- the nozzle 48 pushes the needle which perforates the corresponding gas cartridge to release the compressed gas.
- the cam When the lever continues to rotate in the direction of activation of the device, the cam has a smaller diameter portion to the needle which can rise to allow a faster release of the gas.
- levers 10 are mounted head to tail to limit the application of a torque on the device when activated by a user.
- the figure 4 represents a simplified perspective view, in partial cross-section, of a construction detail illustrated in FIG. figure 3 , in particular the central body 4, the mechanisms for triggering the release of the gas and the cartridges are not shown for clarity.
- Each needle 20 is housed in a bore 21 adapted to the central body 4.
- Holes 52 are provided in the bore to allow release of the compressed gas even if the needles 20 remain in their depressed position.
- the beveled shape of the needles provides additional functional safety.
- each bore communicates with the interior of the central body via an oblique channel 54 formed near the corresponding inlet 46.
- the figure 5 represents a simplified cross-sectional view of the device of the figure 1 .
- Ejection holes 58 are provided to communicate the intermediate distribution chamber 56 with the air intake chamber 32 and inject the compressed gas therein.
- the compressed gas When the compressed gas is injected into the air intake chamber 32, it creates a vacuum which causes a surrounding air flow through the opening of the intake chamber connected to the air intake cylinder 6.
- the mixture of gas and air is then propelled into the second portion 38 of the main portion 26 of the ejection tube, before exiting through the end portion 28, after activation of the non-return membrane 42, to inflate the airbag.
- first and second tubes namely the central body and the ejection tube, can be alternately secured to one another by means of a bayonet mechanism, for example.
- the architecture described above makes it possible to guarantee a simplified manufacturing process for the various components of the device, as well as their assembly or disassembly, for example for maintenance operations.
- the ejection holes 58 preferably have an inclination substantially between 10 and 20 degrees with reference to the longitudinal direction of the device, preferably of the order of 15 degrees, and a diameter substantially between 0.2 and 1 mm. preferably between 0.5 and 0.8mm.
- the device advantageously comprises between 2 and 10 ejection holes, preferably between 4 and 8, even more preferably 6.
- the Applicant has carried out measurements based on the above indications and which have found that a multiplication factor of the order of 4 to 5 could be achieved with carbon dioxide, for a period of inflation of 1%. order of 2 to 4 seconds.
- a high multiplication factor makes it possible to limit the fluctuations of airbag inflation volume as a function of the temperature related to the significant coefficient of thermal expansion of the carbon dioxide.
- FIGS. 6 to 8 represent, schematically and simplified, all or part of an assembly incorporating a device as just described.
- the Figures 6 to 8 illustrate the implementation of the inflation device for inflating an avalanche protection airbag.
- the figure 6 illustrates the inflated airbag 60 when it is attached to a backpack 61 having conventional harnesses 62 as well as 64, ventral 66 and subcutaneous chest straps 68 providing better holding of the backpack on its carrier.
- the airbag comprises a drain plug (not visible).
- the figure 7 illustrates a pocket 70 of the backpack 61 for housing the folded airbag.
- the pocket 70 can be closed by a fuse-type zipper, released by pulling on a rope (numerical reference 71 on the figure 8 ) connected to the levers 10 to release the airbag at the moment of initiation of inflation.
- the pocket comprises, by way of nonlimiting illustration, two D-rings 72 whose relative spacing is held fixed by means of a reinforcing bar 74.
- a first piece 76 of Velcro (registered trademark) is arranged in the pocket 70 being intended to cooperate with a second piece of Velcro (reference numeral 78 on the figure 8 ) integral with the airbag 60.
- the airbag 60 can be put into place in the pocket 70 by cooperation of the two pieces of Velcro, as is apparent from the figures 7 and 8 , before ropes 80 are put in place to secure the fasteners 82 of the airbag 60 and the D-rings 72.
- the airbag is preferably reinforced in the attachment region of the fasteners 82 and the inflation device.
- the air bag / inflator assembly forms a self-contained assembly that can be easily mounted or disassembled or transferred from one bag to another.
- the construction of this assembly makes it possible to minimize the dynamic stresses that could occur between the inflation device and the airbag and that would be likely to adversely affect the operating efficiency of the assembly.
- the nozzles 48 perforating the cartridges by action on the needles may, for example, be provided on a bar that can be moved from a rest position to a perforation position by means of a single control lever, without departing from the scope of the present invention.
- the lever could in particular cooperate with a pin integral with the bar to move it in translation in response to an action by the user.
- the reliability of the perforating mechanism is improved to the extent that having only one lever makes it possible to have to provide only one cable to control it.
- the nozzles may be provided on the bar so that they will act on the corresponding needles with a slight time shift, reducing the force required for the perforation of the two cartridges compared to a simultaneous perforation.
- the device according to the present invention makes it possible to produce an inflation device - airbag unit in a block which is at the same time compact, light and easy to assemble or disassemble.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Organic Chemistry (AREA)
- Air Bags (AREA)
Claims (11)
- Rucksack (61), der eine Einheit mit einer tragbaren Vorrichtung zum Aufblasen eines Lawinenschutz-Airbags sowie einen solchen Lawinenschutz-Airbag (60) aufweist,
wobei die Vorrichtung ein Befestigungselement (12, 14) enthält, um ihren Zusammenbau mit dem Airbag zu ermöglichen,
wobei die tragbare Aufblasvorrichtung eine allgemein längliche Form hat und mindestens einen Eingang (46) aufweist, der dazu bestimmt ist, mit einer Patrone unter Hochdruck komprimierten Gases (2) verbunden zu werden und ein Befestigungselement einer versiegelten Patrone aufweist, die ein unter Hochdruck komprimiertes Gas enthält, um dessen Entspannung in eine Lufteinlasskammer (32) zu erlauben, wobei der Eingang einen Auslösemechanismus (10, 20) zur Freisetzung des komprimierten Gases zur Lufteinlasskammer enthält, wobei der Auslösemechanismus einen Dorn enthält, der von einem durch einen Benutzer betätigbaren Antriebsmechanismus gesteuert wird, um sich zwischen mindestens einer ersten und einer zweiten Stellung verschieben und die versiegelte Patrone durchbohren zu können, um das komprimierte Gas daraus freizusetzen, wobei die Lufteinlasskammer eine Öffnung (6) aufweist, die dazu bestimmt ist, die Zufuhr von Umgebungsluft zu ermöglichen, und einen Ausgang (28) aufweist, der dazu bestimmt ist, mit dem aufzublasenden Airbag verbunden zu werden, wobei die Vorrichtung ein Element zur reversiblen Befestigung am Airbag enthält, dadurch gekennzeichnet, dass die Vorrichtung eine Zwischenkammer (56) zur Verteilung des komprimierten Gases, die zwischen dem Eingang (46) und der Lufteinlasskammer (32) angeordnet ist, um sie miteinander zu verbinden, und eine Vielzahl von Ausstoßlöchern (58) enthält, die so angeordnet sind, dass sie in eine Seitenwand der Lufteinlasskammer (32) münden, um letztere mit der Ausgabe-Zwischenkammer (56) zu verbinden und um das komprimierte Gas in die Lufteinlasskammer einzuspeisen, um einen Unterdruck zu erzeugen, der eine Umgebungsluftansaugung durch die Öffnung der mit dem Lufteinlasszylinder verbundenen Einlasskammer bewirkt, und dass die Ausgabe-Zwischenkammer (56) allgemein mindestens teilweise ringförmig und am Umfang der Einlasskammer (32) angeordnet ist. - Rucksack (61) nach Anspruch 1, dadurch gekennzeichnet, dass die Seitenwand der Einlasskammer (32) sich zwischen der Öffnung (6) und dem Ausgang (28) gemäß der Längsrichtung der Vorrichtung befindet.
- Rucksack (61) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er ein erstes zylindrisches Rohr (8), dessen Innenwand die Seitenwand der Einlasskammer (32) definiert, sowie ein zweites zylindrisches Rohr (4) koaxial zum ersten Rohr und zumindest teilweise um es herum angeordnet aufweist, um zwischen ihnen die Ausgabe-Zwischenkammer (56) zu definieren, wobei mindestens zwei Dichtungen (36) vorgesehen sind, um diese letztere gemäß der Längsrichtung der Vorrichtung zu begrenzen.
- Rucksack (61) nach Anspruch 3, dadurch gekennzeichnet, dass das erste und das zweite Rohr (8, 4) durch Schraubverbindung oder mittels eines Bajonettmechanismus miteinander verbunden sind.
- Rucksack (61) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Neigung zwischen 10 und 20 Grad bezüglich der Längsrichtung der Vorrichtung liegt.
- Rucksack (61) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er zwischen 2 und 10 Ausstoßlöcher (58) aufweist.
- Rucksack (61) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Ausstoßlöcher (58) einen Durchmesser zwischen 0,2 und 1 mm, vorzugsweise zwischen 0,5 und 0,8 mm haben.
- Rucksack (61) nach einem der vorhergehenden Ansprüche, dass er einen zweiten Eingang (46) ähnlich dem ersten Eingang aufweist, der dazu bestimmt ist, eine zweite versiegelte Patrone (2) mit komprimiertem Gas aufzunehmen und einem zusätzlichen Auslösemechanismus (10, 20) zugeordnet ist, der einen zweiten Dorn (20) enthält, der eingerichtet ist, um gleichzeitig mit dem ersten Dorn (20) gesteuert zu werden und die zweite versiegelte Patrone (2) zu durchbohren, um das komprimierte Gas daraus freizusetzen.
- Rucksack (61) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Einlasskammer (32) einen Beschleunigungskegel (26) enthält, der zwischen den Ausstoßlöchern (58) und dem Ausgang (28) angeordnet ist, der vorzugsweise eine Länge zwischen 60 und 150 mm aufweist.
- Rucksack (61) nach Anspruch 9, dadurch gekennzeichnet, dass das Element (12, 14) zur reversiblen Befestigung in Abstand zum Ausgang (28) angeordnet ist, so dass der Beschleunigungskegel (26) in der Benutzungskonfiguration zumindest teilweise im Airbag (60) untergebracht werden kann.
- Rucksack (61) nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er mindestens eine versiegelte Patrone (2) von unter Hochdruck komprimiertem Kohlendioxid enthält.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH01212/11A CH705330A2 (fr) | 2011-07-20 | 2011-07-20 | Dispositif portable de gonflage rapide d'une poche. |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2548619A2 EP2548619A2 (de) | 2013-01-23 |
EP2548619A3 EP2548619A3 (de) | 2015-03-18 |
EP2548619B1 true EP2548619B1 (de) | 2019-05-15 |
Family
ID=46581780
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12176665.3A Active EP2548619B1 (de) | 2011-07-20 | 2012-07-17 | Rucksack mit einer tragbaren Vorrichtung zum schnellen Aufblasen eines Lawinen-Airbags |
Country Status (4)
Country | Link |
---|---|
US (1) | US9290420B2 (de) |
EP (1) | EP2548619B1 (de) |
CA (1) | CA2783600C (de) |
CH (1) | CH705330A2 (de) |
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US9814938B2 (en) | 2013-02-28 | 2017-11-14 | Ras Technology Sàrl | Portable device for inflating a bag |
US9440133B2 (en) * | 2014-07-03 | 2016-09-13 | The North Face Apparel Corp. | Modular airbag system for personal protection |
US9427625B2 (en) | 2014-07-18 | 2016-08-30 | Amer Sports Canada Inc. | Airbag rescue system and triggering device therefor |
US10556137B2 (en) | 2014-07-18 | 2020-02-11 | Amer Sports Canada Inc. | Leg strap assembly for a backpack with an inflatable airbag |
US9895479B2 (en) | 2014-12-10 | 2018-02-20 | Medtronic, Inc. | Water management system for use in dialysis |
US10098993B2 (en) | 2014-12-10 | 2018-10-16 | Medtronic, Inc. | Sensing and storage system for fluid balance |
US10874787B2 (en) | 2014-12-10 | 2020-12-29 | Medtronic, Inc. | Degassing system for dialysis |
US9713665B2 (en) | 2014-12-10 | 2017-07-25 | Medtronic, Inc. | Degassing system for dialysis |
US11136006B2 (en) * | 2015-04-17 | 2021-10-05 | Sport Components Ag | Device for inflating a tire |
FR3036624B1 (fr) | 2015-05-27 | 2018-03-23 | Nic Impex | Dispositif de gonflage de multiples enveloppes |
FR3039074B1 (fr) | 2015-07-23 | 2018-05-18 | Nic Impex | Dispositif portable de gonflage |
DE102016120441A1 (de) * | 2016-10-26 | 2018-04-26 | Werz Innovations Gmbh | Atemhilfe |
US11278654B2 (en) | 2017-12-07 | 2022-03-22 | Medtronic, Inc. | Pneumatic manifold for a dialysis system |
US11033667B2 (en) | 2018-02-02 | 2021-06-15 | Medtronic, Inc. | Sorbent manifold for a dialysis system |
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US10238918B1 (en) * | 2018-04-24 | 2019-03-26 | Raymond Eugene Huot | Platform-agnostic avalanche airbag attachment system |
FR3086440B1 (fr) * | 2018-09-26 | 2020-08-28 | Emd Ingenierie | Dispositif de detection d'un declenchement d'un sac a dos gonflable pour avalanche |
EP3812011A1 (de) | 2019-10-25 | 2021-04-28 | RAS Technology S.à.r.l. | Aufblasbarer beutel, lawinenrucksack und verfahren zum entleeren eines aufblasbaren beutels |
CN112326103B (zh) * | 2020-10-23 | 2021-11-23 | 亳州联岐医疗科技有限公司 | 一种气腹机耗气量测量装置 |
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Also Published As
Publication number | Publication date |
---|---|
US20130019994A1 (en) | 2013-01-24 |
EP2548619A3 (de) | 2015-03-18 |
US9290420B2 (en) | 2016-03-22 |
CA2783600A1 (fr) | 2013-01-20 |
EP2548619A2 (de) | 2013-01-23 |
CH705330A2 (fr) | 2013-01-31 |
CA2783600C (fr) | 2019-07-16 |
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