EP3325105B1 - Tragbare aufblasvorrichtung - Google Patents

Tragbare aufblasvorrichtung Download PDF

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Publication number
EP3325105B1
EP3325105B1 EP16750947.0A EP16750947A EP3325105B1 EP 3325105 B1 EP3325105 B1 EP 3325105B1 EP 16750947 A EP16750947 A EP 16750947A EP 3325105 B1 EP3325105 B1 EP 3325105B1
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EP
European Patent Office
Prior art keywords
wall
face
chamber
inlet
intermediate chamber
Prior art date
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Active
Application number
EP16750947.0A
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English (en)
French (fr)
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EP3325105A1 (de
Inventor
Jean-Michel SCHMETZ
Nicolas NAVEZ
Patrick GIRAUDON
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.)
NIC Inpex SAS
Original Assignee
NIC Inpex SAS
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.)
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Publication date
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Publication of EP3325105A1 publication Critical patent/EP3325105A1/de
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Publication of EP3325105B1 publication Critical patent/EP3325105B1/de
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F04F5/18—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for compressing
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/46—Arrangements of nozzles
    • F04F5/466—Arrangements of nozzles with a plurality of nozzles arranged in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/48—Control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/44—Component parts, details, or accessories not provided for in, or of interest apart from, groups F04F5/02 - F04F5/42
    • F04F5/48—Control
    • F04F5/50—Control of compressing pumps

Definitions

  • the present invention relates to a portable device for inflating an envelope when an avalanche is triggered.
  • An airbag-type envelope is generally inflated by the suction of surrounding air, by a joint supply of compressed gas, commonly accelerated by the venturi effect, as described in the documents US 6,220,909 , US 2013/0283510 And EP 2 548 619 .
  • the document EP 2 548 619 describes a device of substantially cylindrical structure, sucking in the surrounding air at one end for inflating an envelope at the other end via an acceleration cone.
  • the suction of surrounding air is accelerated by the venturi effect.
  • This venturi effect is produced by injecting compressed gas into an intermediate distribution chamber opening out into a side wall of an air intake chamber via ejection holes.
  • the intermediate distribution chamber is located on the periphery of the air intake chamber.
  • the document US 3,370,784 describes a device comprising a surrounding air inlet, a non-return valve, a compressed gas inlet, an inlet chamber, a connector connected to an inflatable envelope and an intermediate chamber.
  • a portable device for inflating an envelope of the airbag type must allow the inflation of the envelope in any situation, in particular under stress, such as under the stress of the weight of the user in distress, under the stress of rockslides snow and in contact with the environment, such as rocks.
  • the present invention therefore proposes portable inflation devices having significant power, allowing inflation of one or more envelope(s) under significantly greater stress than existing devices.
  • a portable device for inflating at least one envelope comprises a surrounding air inlet, at least one check valve, at least one compressed gas inlet, at least one inlet chamber , at least one connection, such as an acceleration cone, comprising a longitudinal central axis of symmetry, arranged in the extension of at least one intake chamber, and connected to at least one inflatable envelope, an intermediate chamber connecting at least one compressed gas inlet to at least one inlet chamber, while an intermediate chamber and at least one inlet chamber are separated by a wall arranged transversely to the longitudinal center axis of symmetry of the fitting and connected by at least one orifice located in the wall of the intermediate chamber.
  • the transverse wall of the intermediate chamber is formed by an annular peripheral rib, extending as far as an internal wall of at least one inlet chamber,
  • At least one orifice consists of a passage made by a cutout in the transverse wall of the intermediate chamber, while the cut is through in the transverse wall of the intermediate chamber and opens towards the periphery.
  • the intermediate chamber comprises an inner side face of a wall matching a side wall of a surrounding air inlet, an outer side face of a wall comprising at least one compressed gas inlet, and a transverse face arranged in the extension of a transverse outer face of an inner wall of at least one inlet chamber.
  • the transverse wall of the intermediate chamber comprises an outer peripheral face, while the transverse outer face and the inner face of the inner wall of at least one inlet chamber form an edge which is assembled end against the outer peripheral face of the transverse wall of the intermediate chamber.
  • the outer peripheral face of the transverse wall of the intermediate chamber has an inclination of between 5 and 15 degrees, while the inner face of the inner wall of at least one inlet chamber has an inclination between 0 and 15 degrees.
  • the outer peripheral face of the transverse wall of the intermediate chamber has an inclination of between 9 and 13 degrees, while the inner face of the inner wall of at least one inlet chamber has an inclination of between 0 and 10 degrees.
  • At least one orifice is arranged in the transverse wall of the intermediate chamber opening out at the level of the edge formed by the transverse outer face and the inner face of the inner wall of at least one chamber of admission.
  • an intermediate chamber is located on the periphery of a surrounding air inlet.
  • said intermediate chamber is arranged in the rear position of at least one intake chamber.
  • the device (100) according to the invention is in a substantially cylindrical shape and comprises, according to substantially the same section, a surrounding air inlet (1), at least one inlet chamber (3), and at least one connection such as an acceleration cone (5) opening into at least one inflatable envelope ( 4).
  • An intermediate chamber (6) is located on the periphery of a surrounding air inlet (1) and opens into at least one inlet chamber (3) through at least one orifice (7), preferably orifices (7) regularly spaced apart, located in a wall (8) of an intermediate chamber (6).
  • a surrounding air inlet (1) the area preceding at least one inlet chamber (3).
  • At least one opening arranged either in a lateral position or longitudinally, supplies the air inlet (1) with surrounding air.
  • a connector such as an acceleration cone (5) is, according to embodiments, partitioned into a plurality of acceleration cones (5).
  • An intermediate chamber (6) is, according to other embodiments, represented by a plurality of intermediate chambers (6) advantageously contiguous, advantageously on the periphery of a surrounding air inlet (1), and fed by a plurality of compressed gas inlets (2).
  • an intermediate chamber (6) for a plurality of intermediate chambers (6), as explained previously.
  • At least one non-return valve advantageously closes the surrounding air inlet (1) or each of the openings supplying the latter, namely at least one opening arranged as explained above, and/or an internal part of the device, such as between the junction of at least one inlet chamber (3) and an acceleration cone (5), and/or at the inlet of at least one casing (4).
  • At least one compressed gas inlet (2) communicates with at least one inlet chamber (3) via an intermediate chamber (6).
  • At least one intake chamber (3) is located in front of an intermediate chamber (6).
  • At least one compressed gas inlet (2) is located on the periphery of an intermediate chamber (6).
  • One bottle (20) of compressed gas and a striker as a trigger system (15) are connected to at least one compressed gas inlet (2).
  • the trigger system is itself connected to an activation handle (not shown).
  • the front or the rear corresponds to the positioning of a part or an area, depending on the direction of the fluid, for example the surrounding air inlet (1) is arranged at the rear of the inlet chamber (3), which is itself located in front of the intermediate chamber (6).
  • an intermediate chamber (6) and at least part of at least one intake chamber (3) are aligned along the same longitudinal axis and advantageously share the same cross section.
  • this cross section is represented by the wall (8) of the intermediate chamber (6).
  • the compressed gas is injected through at least one compressed gas inlet (2), passes through an intermediate chamber (6), opens into at least one inlet chamber (3) through at least one orifice (7) and creates a depression which causes a phenomenon of suction of the surrounding air, via a surrounding air inlet (1) through at least one opening, towards an acceleration cone (5) in order to inflate at least one envelope (4).
  • At least one admission chamber (3) thus corresponds to an enriched gas zone.
  • An orifice (7) is advantageously represented by any means allowing a narrowing of section of an intermediate chamber (6) at the level of a transverse wall (8), allowing the acceleration of the compressed gas in at least one inlet chamber (3).
  • a surrounding air inlet (1), an inlet chamber (3) and a cone acceleration (5) are arranged substantially along the same profile, along a median axis of symmetry (X, X ').
  • the section of the device being preferably cylindrical, reference will be made, in particular for an intermediate chamber (6), to a wall or an inner side face for a wall or a face of smaller section and an outer wall or side face. for a wall or a face of larger section arranged on the periphery of that of smaller section.
  • an intermediate chamber (6) comprises an inner side face of a wall matching a side wall (9) of a surrounding air inlet (1), an outer side face of a wall comprising at least one gas inlet tablet (2), and a transverse face of the wall (8), adjoining an inlet chamber (3).
  • the transverse wall (8) is formed by an annular peripheral rib extending as far as the internal wall (10) of the inlet chamber (3).
  • the transverse face of the wall (8) is extended by the transverse outer face (16) of the inner wall (10) of the inlet chamber (3).
  • at least one orifice (7) is delimited by an outer peripheral face (11) corresponding to the outer face of the wall (8), namely the outer face of the annular peripheral rib, and by an inner peripheral face (12) corresponding to the extension of the inner face of the inner wall (10) of the inlet chamber (3).
  • transverse face of the wall (8) and the transverse outer face (16) can be inclined. It is also understood that the inclinations of the different faces may be different. For the sake of brevity, an inclined wall (8) is considered to be transverse in the description, without departing from the scope of the invention,
  • the outer peripheral face (11) and the inner peripheral face (12) are advantageously complementary and arranged in opposition.
  • at least one orifice (7) consists of a passage made by a cutout at the level of the outer peripheral face (11) of the transverse wall (8), said cutout passes through the transverse wall (8 ) and opens towards the periphery, but it could be otherwise, at least one orifice (7) is advantageously made in the full transverse wall (8) of the intermediate chamber (6).
  • these emerging cutouts are advantageously regularly spaced on the projecting rib, and are advantageously between 1 and 20, preferably between 1 and 12.
  • the transverse outer face (16) of the inner wall (10) of the inlet chamber (3) comes to fit straight and at the end of the outer peripheral face (11) corresponding to the outer face of the wall ( 8).
  • the transverse outer face (16) and the inner face of the inner wall (10) form an edge (17) which is assembled at the end against the outer peripheral face (11) of the wall (8).
  • At least one orifice (7) is arranged in the wall (8) opening out at the edge (17).
  • This particular configuration forms injection orifices at the level of the intermediate chamber (6) opening out towards the inner periphery of the inlet chamber (3), corresponding to an ejection profile with an advantageously triangular section delimited by the outer peripheral face (11) and the inner face of the inner wall (10).
  • at least one orifice (7) is represented by a constriction ending in a section of small diameter, opening towards the inlet chamber (3) at the level of the edge (17).
  • At least one orifice (7) represented by a constriction ending in a section of small diameter is advantageously produced by a partial milling process, as illustrated in figure 8 and by a continuous milling process, as illustrated in figures 9 and 10 .
  • the slope of the peripheral outer face (11) is between 5 and 15 degrees, preferably between 9 and 13 degrees, while the slope of the inner face of the inner wall (10) is between 0 and 15 degrees , preferably between 0 and 10 degrees, more preferably composed of a first rear portion at 0 degrees, namely arranged parallel to the axis (X, X') and a second portion comprised between 0 and 10 degrees, as illustrated to the figure 5 .
  • the device (100) according to the invention preferably consists of different interlocking parts, as illustrated in figure 3 , 8 And 10 .
  • the different parts each represent a characteristic element of the invention, such as those representing the surrounding air inlet (1), at least one inlet chamber (3) and the intermediate chamber (6).
  • the interlocking of the parts is advantageously achieved by sliding or by screwing into each other.
  • the different parts advantageously comprise threads and tappings, or interlocking parts, adapted to their cooperation.
  • FIG. 3 , 8 And 10 illustrate embodiments and represent, on the one hand, a first part which will be called rear part (13) whose elements are characteristic of at least the surrounding air inlet (1) and of the intermediate chamber (6), and on the other hand, a second part which will be called front part (14) whose elements are characteristic of at least one intake chamber (3).
  • the parts (13, 14), according to the embodiment illustrated in picture 3 are complementary sleeves.
  • FIG. 3 illustrates a rear piece (13) comprising a thread at one of its ends, followed by a circumferential bore capable of containing a seal, a clearance corresponding to a first interior part, of the intermediate chamber (6) and a snap joint portion having an outer peripheral surface (11) at its other end.
  • the outer peripheral surface (11) of the interlocking joint part includes clearances corresponding to the inner parts of the orifices (7), as illustrated in figure 4 .
  • FIG. 3 also illustrates a front part (14), which has a thread at one of its ends, capable of cooperating with the thread of the rear part (13), an annular part corresponding to the second outer part of the intermediate chamber (6 ), comprising a through bore, able to correspond to the compressed gas inlet (2), a jointing part by interlocking, complementary to that of the rear piece (13), comprising an inner peripheral surface (12) able to marry the outer peripheral surface (11) of the rear piece (13), followed by a substantially cylindrical part, of inner surface (10) corresponding to the inlet chamber (3).
  • part of the inner peripheral surface (12) corresponds to the outer parts of the orifices (7).
  • At least one orifice (7) allowing the acceleration of the compressed gas, by venturi effect, is advantageously located at the junction of these two parts (13, 14), preferably represented by at least one clearance at the level of the peripheral surface. outside (11) of the rear part (13), but as we have already pointed out, it could be otherwise, at least one orifice (7) is advantageously made in the full wall (8).
  • At least one orifice (7) is advantageously represented by a clearance in the form of a straight passage or by a narrowing ending in a section of small diameter.
  • the rear part (13) fits substantially entirely inside the front part (14), sliding at one end, advantageously at the level of the wall (8) and being screwed at its other end.
  • FIG 8 And 10 illustrate preferred embodiments, in which a rear piece (13) comprises a jointing part by interlocking at one of its ends, namely the front end, followed by a circumferential bore capable of containing a joint of tightness and a clearance corresponding to a first inner part, of the intermediate chamber (6).
  • the snap joint portion includes an outer peripheral surface (11).
  • the outer peripheral surface (11) of the interlocking joint part comprises clearances corresponding to the inner parts of the orifices (7), as illustrated in figure 7 And 9 .
  • THE figure 8 And 10 also illustrate a front part (14), which comprises a jointing part by interlocking at one of its ends, namely the rear end, capable of cooperating with the front end of the rear part (13).
  • the rear end of the front piece (14) consists of a transverse outer face (16). The junction of the latter with the inner face of the inner wall (10) forms a ridge (17).
  • the rear end of the front part (14) is followed by a substantially cylindrical part, consisting of an inner face of the inner wall (10), corresponding to the air inlet chamber (3).
  • the device also comprises, according to this last embodiment, an additional part comprising the compressed gas inlet (2) and the trigger system (15).
  • the compressed gas inlet (2) partitioning the intermediate chamber (6) at the level of the outer part of the rear part (13).
  • An additional part advantageously fits into the end of the rear end of the rear part (13), keeping the various parts assembled by interlocking in contact, as illustrated in figure 5 .
  • the compressed gas is preferably any gas commonly compressed in a cylinder (20) or cartridge, such as carbon dioxide, nitrogen, argon and air.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Jet Pumps And Other Pumps (AREA)
  • Air Bags (AREA)

Claims (8)

  1. Tragbare Aufblasvorrichtung (100) mindestens einer Hülle (4), umfassend einen Umgebungslufteingang (1), mindestens ein Rückschlagventil, mindestens einen Druckgaseingang (2), mindestens eine Einlasskammer (3), mindestens einen Anschluss, wie einen Beschleunigungskonus (5), mit einer Längsmittelsymmetrieachse (X, X'), der in der Verlängerung mindestens einer Einlasskammer (3) angeordnet ist, und mit der mindestens einen aufblasbaren Hülle (4) verbunden ist, wobei eine Zwischenkammer (6) den mindestens einen Druckgaseingang (2) mit der mindestens einen Einlasskammer (3) verbindet, wobei die Zwischenkammer (6) in einer hinteren Position der mindestens einen Einlasskammer (3) angeordnet ist, und sich am Umfang des Umgebungslufteingangs (1) befindet, dadurch gekennzeichnet, dass die Zwischenkammer (6) und die mindestens eine Einlasskammer (3) durch eine Wand (8), die quer zur Achse (X, X') angeordnet ist, getrennt sind, und durch mindestens eine Öffnung (7), die sich in der Wand (8) befindet, verbunden sind.
  2. Vorrichtung (100) nach Anspruch 1, dadurch gekennzeichnet, dass die Wand (8) durch eine ringförmige Umfangsrippe gebildet ist, die sich bis zu einer Innenwand (10) der mindestens einen Einlasskammer (3) erstreckt.
  3. Vorrichtung (100) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die mindestens eine Öffnung (7) aus mindestens einem Durchlass besteht, der durch einen Ausschnitt in der Wand (8) ausgeführt ist, wobei der Ausschnitt in der Wand (8) durchgehend ist.
  4. Vorrichtung (100) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass die Zwischenkammer (6) eine Innenseitenfläche einer Wand umfasst, die an einer Seitenwand (9) des Umgebungslufteingangs (1) anliegt, wobei eine Außenseitenfläche der Wand den mindestens einen Druckgaseingang (2) umfasst, und eine Querfläche der Wand (8), die in der Verlängerung einer Außenquerfläche (16) einer Innenwand (10) der mindestens einen Einlasskammer (3) angeordnet ist.
  5. Vorrichtung (100) nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass die Wand (8) eine Außenumfangsfläche (11) umfasst, während die Außenquerfläche (16) und die Innenfläche der Innenwand (10) einen Grat (17) bilden, der sich am Ende an der Außenumfangsfläche (11) der Wand (8) anlegt.
  6. Vorrichtung (100) nach dem vorstehenden Anspruch, dadurch gekennzeichnet, dass die Außenumfangsfläche (11) eine Neigung aufweist, die zwischen 5 und 15 Grad liegt, während die Innenfläche der Innenwand (10) eine Neigung aufweist, die zwischen 0 und 15 Grad liegt.
  7. Vorrichtung (100) nach Anspruch 5 oder 6, dadurch gekennzeichnet, dass die Außenumfangsfläche (11) eine Neigung aufweist, die zwischen 9 und 13 Grad liegt, während die Innenfläche der Innenwand (10) eine Neigung aufweist, die zwischen 0 und 10 Grad liegt.
  8. Vorrichtung (100) nach einem der Ansprüche 5 bis 7, dadurch gekennzeichnet, dass die mindestens eine Öffnung (7), auf Höhe des Grats (17) einmündend, in der Wand (8) angeordnet ist.
EP16750947.0A 2015-07-23 2016-07-12 Tragbare aufblasvorrichtung Active EP3325105B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1557000A FR3039074B1 (fr) 2015-07-23 2015-07-23 Dispositif portable de gonflage
PCT/FR2016/051782 WO2017013327A1 (fr) 2015-07-23 2016-07-12 Dispositif portable de gonflage

Publications (2)

Publication Number Publication Date
EP3325105A1 EP3325105A1 (de) 2018-05-30
EP3325105B1 true EP3325105B1 (de) 2023-05-24

Family

ID=54015108

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16750947.0A Active EP3325105B1 (de) 2015-07-23 2016-07-12 Tragbare aufblasvorrichtung

Country Status (5)

Country Link
US (1) US10626887B2 (de)
EP (1) EP3325105B1 (de)
CA (1) CA2993092C (de)
FR (1) FR3039074B1 (de)
WO (1) WO2017013327A1 (de)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3370784A (en) * 1966-02-14 1968-02-27 Ind Covers Inc Inflation aspirator
US3468472A (en) * 1967-09-15 1969-09-23 Global Systems Flow augmented nozzle
US3875745A (en) * 1973-09-10 1975-04-08 Wagner Minning Equipment Inc Venturi exhaust cooler
US4566862A (en) * 1982-02-23 1986-01-28 General Pneumatics Corporation Fluid apparatus and methods, as for inflating inflatable structures
DE19703656A1 (de) * 1997-01-31 1998-08-06 Peter Aschauer Lawinenrettungssystem
US7018257B2 (en) * 2003-05-13 2006-03-28 Courtney William L Volume amplified compressed gas life jacket and life raft inflator
US7878141B2 (en) * 2009-01-21 2011-02-01 Backcountry Access, Inc. Airbag system for use in an avalanche
WO2012055913A2 (fr) * 2010-10-26 2012-05-03 Mammut Sports Group Ag Airbag portable pour personnes
CH705330A2 (fr) * 2011-07-20 2013-01-31 Ras Technology Sarl Dispositif portable de gonflage rapide d'une poche.
US9814938B2 (en) * 2013-02-28 2017-11-14 Ras Technology Sàrl Portable device for inflating a bag
FR3036624B1 (fr) * 2015-05-27 2018-03-23 Nic Impex Dispositif de gonflage de multiples enveloppes

Also Published As

Publication number Publication date
CA2993092A1 (fr) 2017-01-26
US20180283407A1 (en) 2018-10-04
WO2017013327A1 (fr) 2017-01-26
US10626887B2 (en) 2020-04-21
EP3325105A1 (de) 2018-05-30
CA2993092C (fr) 2018-10-16
FR3039074B1 (fr) 2018-05-18
FR3039074A1 (fr) 2017-01-27

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