EP3325105A1 - Tragbare aufblasvorrichtung - Google Patents
Tragbare aufblasvorrichtungInfo
- Publication number
- EP3325105A1 EP3325105A1 EP16750947.0A EP16750947A EP3325105A1 EP 3325105 A1 EP3325105 A1 EP 3325105A1 EP 16750947 A EP16750947 A EP 16750947A EP 3325105 A1 EP3325105 A1 EP 3325105A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wall
- face
- chamber
- inlet
- intermediate 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.)
- Granted
Links
- 230000001133 acceleration Effects 0.000 claims abstract description 13
- 230000002093 peripheral effect Effects 0.000 claims description 28
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 239000003570 air Substances 0.000 description 26
- 239000007789 gas Substances 0.000 description 23
- 230000000694 effects Effects 0.000 description 6
- 230000000295 complement effect Effects 0.000 description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000009429 distress Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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 during the triggering of an avalanche.
- An airbag-type envelope is generally inflated by the surrounding air suction, by a joint supply of compressed gas, commonly accelerated by the venturi effect, as described in US 6,220,909, US 2013/0283510 and EP 2 548 619.
- Documents US 6,220,909 and US 2013/0283510 disclose a venturi system consisting of a compressed gas ejection nozzle, drawing the surrounding air through a lateral inlet of an acceleration cone.
- EP 2 548 619 discloses a device of substantially cylindrical structure, drawing the surrounding air at one end for inflating an envelope at the other end via an acceleration cone.
- the surrounding air suction is accelerated by venturi effect.
- This venturi effect is achieved by the injection of compressed gas into an intermediate distribution chamber opening into a side wall of an air inlet chamber by ejection holes.
- the intermediate distribution chamber is located at the periphery of the air intake chamber.
- a portable device for inflating an airbag-type envelope must allow the envelope to swell in any situation, in particular under stress, such as under the constraint of the weight of the user in distress, under the constraint of scree. snow and in contact with the environment, such as rocks.
- the present invention therefore proposes portable inflating devices having a large power, allowing inflation of one or more envelope (s) under a stress significantly greater than the existing devices.
- a portable device for inflating at least one casing comprises a surrounding air inlet, at least one non-return valve, at least one compressed gas inlet, at least one inlet chamber.
- at least one coupling such as an acceleration cone, comprising a longitudinal median 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 inlet of compressed gas 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 median longitudinal axis of symmetry of the connection and connected by at least one an 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 cutout is through in the transverse wall of the intermediate chamber and opens outwards to the periphery.
- the intermediate chamber comprises an inner lateral face of a wall fitting a side wall of a surrounding air inlet, an outer lateral 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 intake chamber form a ridge which comes together. end against the outer peripheral face of the transverse wall of the intermediate chamber.
- the peripheral outer 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 intake chamber has an inclination between 0 and 15 degrees. More specifically, the peripheral outer 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 intake 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 at 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 at the periphery of a surrounding air inlet. It should be noted that an intermediate chamber is arranged in the rear position of at least one intake chamber.
- Figures 1 to 4 are views of the device according to one embodiment of the invention.
- Figure 1 is a longitudinal sectional view of the device.
- Figure 2 is a view of a magnification of Figure 1.
- Figure 3 is an exploded perspective view of part of the parts of the device.
- Figure 4 is a perspective view of the rear part of the device.
- Figures 5 to 8 are views of the device according to another embodiment of the invention.
- Figure 5 is a longitudinal sectional view of the device.
- Figure 6 is a magnification of Figure 5.
- Figure 7 is a longitudinal sectional enlargement at an orifice.
- Figure 8 is an exploded perspective view of a part of the device parts.
- Figures 9 and 10 are views of the device according to another embodiment of the invention.
- Figure 9 is a longitudinal sectional magnification at an orifice.
- Figure 10 is an exploded perspective view of a part of the device parts.
- the device (100) is in a substantially cylindrical form and comprises, according to substantially the same profile, a surrounding air inlet (1), at least one inlet chamber (3), and at least one coupling such as an acceleration cone (5) opening into at least one inflatable envelope ( 4).
- An intermediate chamber (6) is located at 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, located in a wall (8) of an intermediate chamber (6).
- the preceding zone at least one inlet chamber (3), At least one opening, arranged in lateral position or longirudinalement, feeds the air inlet (1 ) in the surrounding air.
- a coupling 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 at the periphery of a surrounding air inlet (1), and fed by a plurality of In the rest of the description, reference will be made to an intermediate chamber (6) for a plurality of intermediate chambers (6), as explained above.
- At least one nonreturn 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 device, such as between the junction of at least one intake chamber (3) and an acceleration cone
- At least one compressed gas inlet (2) communicates with at least one inlet chamber (3) via an intermediate chamber
- At least one inlet chamber (3) is located in front of an intermediate chamber (6).
- At least one compressed gas inlet (2) is located at the periphery of an intermediate chamber (6).
- a bottle (20) of compressed gas and a striker as triggering system (15) are connected to at least one compressed gas inlet (2).
- the trigger system is itself connected to an activation handle (not shown). It is understood that the front or rear, corresponds to the positioning of a room or zone, according to the direction of the fluid, for example the surrounding air inlet (1) is arranged at the rear of the intake chamber (3), which is itself located in front of the intermediate chamber (6).
- an intermediate chamber (6) and at least a portion of at least one inlet 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 by 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, to an acceleration cone (5) to inflate at least one envelope (4), At least one inlet chamber (3) thus corresponds to an enriched gas zone.
- An orifice (7) is advantageously represented by any means allowing a sectional narrowing of an intermediate chamber (6) at a transverse wall (8), allowing acceleration of the compressed gas in at least one admission chamber (3).
- a surrounding air inlet (1), an inlet chamber (3) and a cone acceleration (5) are arranged substantially in the same profile, according to a median axis of symmetry (X, X ').
- section of the device is preferably cylindrical
- an intermediate chamber (6) comprises an inner side face of a wall fitting a side wall (9) of an entrance surrounding air (1), an outer side face of a wall comprising at least one compressed gas inlet (2), and a transverse face of the wall (8), adjacent to an inlet chamber (3).
- the transverse wall (8) is formed by an annular peripheral rib extending up to the inside wall (10) of the inlet chamber (3).
- the transverse face of the wall (8) is extended by the outer transverse face (16) of the inner wall (10) of the inlet chamber (3).
- at least one orifice (7) is delimited by an outer peripheral face (1) 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 outer transverse face (16) can be inclined, it is also understood that the inclinations of the different faces may be different.
- an inclined wall (8) is considered transversal 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 outer peripheral face (11) of the transverse wall (8), said cutout is through in the transverse wall (8). ) and opens outwards to the periphery, but it could be otherwise, at least one orifice (7) is advantageously made in the full wall (8) transverse of the intermediate chamber (6).
- these open cutouts, namely the orifices (7) 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) is arranged in a straight and 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 end against the outer peripheral face (11) of the wall (8).
- At least one orifice (7) is arranged in the wall (8) opening at the edge (17).
- This particular configuration forms injection orifices at the level of the intermediate chamber (6) opening towards the inner periphery of the inlet chamber (3), corresponding to an ejection profile with an advantageously triangular section delimited by the peripheral outer face. (11) and the inner face of the inner wall (10).
- at least one orifice (7) is represented by a narrowing ending in a small diameter section, opening towards the inlet chamber (3) at the edge (17).
- At least one orifice (7) represented by a narrowing ending in a small diameter section is advantageously produced by a partial milling method, as illustrated in FIG. 8 and by a continuous milling method, as illustrated in FIGS. Figures 9 and 10,
- the slope of the outer peripheral 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 Taxe (X, X ') and a second portion of between 0 and 10 degrees, as illustrated in FIG. figure 5.
- the device (100) according to the invention is preferably composed of different interlocking parts, as illustrated in FIGS. 3, 8 and 10.
- the various parts each represent a characteristic element of the invention, such as those representing the input of FIG. surrounding air (1), at least one inlet chamber (3) and the intermediate chamber (6).
- the interlocking of the parts is advantageously carried out by sliding or by screwing into each other.
- the various parts advantageously comprise threads and tappings, or interlocking parts, adapted to their cooperation.
- FIGS. 3, 8 and 10 illustrate embodiments and represent, on the one hand, a first part that will be called a rear part (13) whose elements are characteristic of at least the surrounding air inlet ( 1) and the intermediate chamber (6), and secondly, a second part that will be called front piece (14) whose elements are characteristic of at least one inlet chamber (3),
- the parts (13, 14), according to the embodiment illustrated in Figure 3, are complementary sleeves.
- FIG. 3 illustrates a rear part (13) having a thread at one of its ends, followed by a circumferential bore adapted to contain a seal, a clearance corresponding to a first internal part, of the intermediate chamber.
- FIG. 3 also illustrates a front piece (14), which has a tapping at one of its ends, adapted to cooperate with the threading of the rear piece (13), an annular portion corresponding to the second outer portion of the chamber intermediate (6), comprising a through bore, adapted to correspond to the compressed gas inlet (2), an interlocking joint portion, complementary to that of the rear piece (13), comprising an inner peripheral surface (12) adapted to fit the outer peripheral surface (11) of the rear piece (13), followed by a substantially cylindrical portion, of inner surface (10) corresponding to the inlet chamber (3).
- At least one orifice (7) allowing 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 peripheral surface.
- external (11) of the rear piece (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 rectilinear passage or by a narrowing ending in a small diameter section.
- the rear piece (13) fits substantially entirely inside the front piece (14), sliding at one end, preferably at the level of the wall (8) and screw at its other end.
- a rear part (13) comprises an interlocking connection part at one of its ends, namely the front end, followed by a circumferential boring adapted to contain a seal and a clearance corresponding to a first inner portion of the intermediate chamber (6).
- the interlocking joining portion comprises an outer peripheral surface (11).
- the outer peripheral surface (11) of the interlocking connecting portion comprises recesses corresponding to the inner portions of the openings (7), as illustrated in FIGS. 9.
- Figures 8 and 10 also illustrate a front piece (14), which has a junction part by interlocking at one of its ends, namely the rear end, adapted to cooperate with the front end of the piece rear (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 an edge (17).
- the rear end of the front piece (14) is followed by a substantially cylindrical portion, 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 triggering system (15).
- the compressed gas inlet (2) partitions the intermediate chamber (6) at the outer portion of the rear piece (13).
- a complementary piece advantageously fits at the end of the rear end of the rear piece (13), keeping in contact the various parts assembled by interlocking, as illustrated in FIG.
- the compressed gas is advantageously any gas commonly compressed in a bottle (20) or a cartridge, such as carbon dioxide, nitrogen, argon and air.
Landscapes
- 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)
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 true EP3325105A1 (de) | 2018-05-30 |
EP3325105B1 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)
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 |
US9585425B2 (en) * | 2010-10-26 | 2017-03-07 | Mammut Sports Group Ag | Portable airbag for people |
CH705330A2 (fr) | 2011-07-20 | 2013-01-31 | Ras Technology Sarl | Dispositif portable de gonflage rapide d'une poche. |
CA2902249C (en) * | 2013-02-28 | 2022-03-15 | Ras Technology Sarl | Portable device for rapidly inflating a bag |
FR3036624B1 (fr) * | 2015-05-27 | 2018-03-23 | Nic Impex | Dispositif de gonflage de multiples enveloppes |
-
2015
- 2015-07-23 FR FR1557000A patent/FR3039074B1/fr active Active
-
2016
- 2016-07-12 CA CA2993092A patent/CA2993092C/fr active Active
- 2016-07-12 WO PCT/FR2016/051782 patent/WO2017013327A1/fr active Application Filing
- 2016-07-12 EP EP16750947.0A patent/EP3325105B1/de active Active
- 2016-07-12 US US15/746,578 patent/US10626887B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
CA2993092C (fr) | 2018-10-16 |
EP3325105B1 (de) | 2023-05-24 |
US10626887B2 (en) | 2020-04-21 |
FR3039074A1 (fr) | 2017-01-27 |
CA2993092A1 (fr) | 2017-01-26 |
WO2017013327A1 (fr) | 2017-01-26 |
US20180283407A1 (en) | 2018-10-04 |
FR3039074B1 (fr) | 2018-05-18 |
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