WO2015165592A1 - Aufblasbarer gassack zum schutz einer person, gassackmodul, fahrzeugteile und fahrzeuginsassenrückhaltesystem mit einem solchem gassack - Google Patents
Aufblasbarer gassack zum schutz einer person, gassackmodul, fahrzeugteile und fahrzeuginsassenrückhaltesystem mit einem solchem gassack Download PDFInfo
- Publication number
- WO2015165592A1 WO2015165592A1 PCT/EP2015/000896 EP2015000896W WO2015165592A1 WO 2015165592 A1 WO2015165592 A1 WO 2015165592A1 EP 2015000896 W EP2015000896 W EP 2015000896W WO 2015165592 A1 WO2015165592 A1 WO 2015165592A1
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- WO
- WIPO (PCT)
- Prior art keywords
- airbag
- gas bag
- finger
- extensions
- gas
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
-
- A—HUMAN NECESSITIES
- A42—HEADWEAR
- A42B—HATS; HEAD COVERINGS
- A42B3/00—Helmets; Helmet covers ; Other protective head coverings
- A42B3/04—Parts, details or accessories of helmets
- A42B3/0406—Accessories for helmets
- A42B3/0486—Airbags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/203—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in steering wheels or steering columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/21—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle side panels, e.g. doors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/2334—Expansion control features
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/235—Inflatable members characterised by their material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
- B60R2021/2078—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats in rear seats
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23153—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for rear seat passengers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
- B60R2021/23308—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other the individual compartments defining the external shape of the bag
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23533—Inflatable members characterised by their material characterised by the manufacturing process
- B60R2021/23542—Weaving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/235—Inflatable members characterised by their material
- B60R2021/23571—Inflatable members characterised by their material characterised by connections between panels
Definitions
- the invention relates to an inflatable airbag for the protection of a person according to the preamble of claim 1. Furthermore, the invention relates to a
- Airbag module and vehicle parts in particular a steering wheel, a dashboard, a rear seat or a rear seat, a window frame or a headliner and a garment with such a gas bag.
- a vehicle occupant restraint system with an airbag or an airbag module is specified.
- An airbag of the type mentioned is, for example, from WO
- the known gas bag is part of a protective device for the head of a person who has the gas bag and an outer shell.
- Airbag comprises a flexible sleeve with finger-like projections, which has a
- Outer bag specifies the shape of the protective device in the inflated state of the gas bag.
- the outer bag limits the expansion of the inner gas bag, in particular of the finger-like extensions of the inner gas bag. This ensures that the protective device assumes the desired shape in the inflated state. This form is in the known protection device
- tethers may be integrated into the gas bag, which tension when inflating the gas bag and thus limit the expansion or expansion of the gas bag.
- Such tethers can be arranged both inside the gas bag, as well as outside of the gas bag.
- DE 10 2012 213 284 A1 shows an airbag which has outside tethers which urge the airbag into a three-dimensional shape when inflated.
- the object of the invention is to provide an inflatable airbag for the protection of a person who has a simple structure and can be produced at low production costs. Furthermore, the object of the invention is to provide an airbag module, a vehicle occupant restraint system and vehicle parts with such an airbag.
- the invention is based on the idea of providing an inflatable airbag for the protection of a person with a flexible shell, which comprises at least two finger-like extensions.
- the flexible cover borders with the finger-like ones
- the finger-like extensions of the flexible sheath are preferably spaced from each other, at least in sections.
- the finger-like projections are connected to each other, gaps between the finger-like projections are closed and the shell or the airbag so urged in a three-dimensional shape.
- the gas bag may have a shell-shaped, dome-shaped or c-shaped contour in the inflated state.
- connection of the finger-like extensions with each other can be done for example by sewing. In general, it is preferred if the finger-like projections are directly connected to each other, so that the finger-like projections abut directly against each other. By separation of the compound of the manufacturing state of the gas bag can be seen. In this manufacturing state, it is preferably provided that the finger-like extensions of the shell are at least partially spaced from each other. In other words, between the individual
- Fingers preferably provided a textile section. This textile cutout can be formed by removing textile material.
- the individual fingers are pulled together and connected directly to each other, whereby the shell bulges or curves or generally assumes a three-dimensional geometry. This is recognizable especially in the inflated state of the gas bag.
- the three-dimensional shape of the inflated gas bag is determined by the connection of the fingers of the envelope.
- the finger-like extensions are connected to each other over their entire length, in particular sewn, glued or welded.
- the finger-like extensions form chambers of the closed gas expansion space, wherein the individual chambers through the connecting lines between the
- finger-like projections in particular the seams between the finger-like
- the flexible shell of the gas bag according to the invention can be produced differently.
- the casing can be formed in one line, in particular woven in one piece.
- the shell can be formed seamless so far. This can be achieved, for example, by weaving the sheath in OPW ("one piece woven") technique. Technology).
- OPW one piece woven
- the shell is formed by at least two textile blanks, which at their edges to form the
- the textile blanks include
- the textile blanks are of identical design, in particular with regard to their geometry.
- the textile blanks can be placed flat on each other and joined together at their edges to form the flexible, preferably at least temporary gas density, envelope.
- the shell has an at least temporarily gas-impermeable material.
- the sheath may comprise a material which, at least for a predetermined period of time, has gas in it
- Gas expansion space holds. The period should be such as to ensure efficient protection of a person in the event of a collision. After recording the
- Impact energy through the gas bag or shell is a gas loss, for example by diffusion, acceptable by the shell material.
- the material of the shell is preferably impermeable to gas.
- the shell is formed in a flat manufacturing state point-symmetrical or axisymmetric.
- the textile blanks used to form the sheath may be point symmetric or
- Geometry are the finger-like extensions of the shell or the continuation flaps of the fabric blanks aligned radially to a center of the shell or preferably extend radially from a center of the shell to the outside.
- the individual finger-like extensions point away laterally from a central axis of the shell, wherein on both sides of the central axis to each other complementary or congruent finger-like projections are provided. This results in a uniform, three-dimensional shape of the inflated gas bag, which is desirable in many applications.
- the shell can assume a cup-shaped or channel-shaped contour in the inflated state.
- the shell may have a top or a top and a bottom or bottom, the top and bottom are each concave or convex curved.
- upper part and lower part can each be curved in the same direction.
- the sheath may have an upper surface and a lower surface, with the upper surface occupying a larger area than the lower surface in the inflated state of the sheath. This is especially true when the top and bottom are curved similarly.
- the three-dimensional shape of the gas bag thus results in a larger area requirement for the top than for the bottom.
- the shell is bulged in the inflated state so that an underside of the shell at least partially surrounds a free space, wherein the shell for absorbing impact energy while reducing the free space is deformable.
- the entire gas bag can assume a three-dimensional shape, which is shown by a protrusion of the entire shell. This arises in the area of
- the impact energy is absorbed not only by displacement of the gas arranged inside the gas bag, but also by deformation of the shell, wherein the free space in the area of the underside is reduced.
- the three-dimensional shape of the shell contributes to the stability of the gas bag, since by the
- the shape of the gas bag in the inflated state exclusively by the geometric
- the shell or the gas bag can be formed without catching tape. It is also possible that the sheath is free of bowed seams or other elements which determine the shape of the gas bag in the inflated state.
- the invention is based on the
- the gas generator can be arranged in a central gas distribution region of the envelope from which the finger-like extensions originate. This ensures that the gas generated in the gas generator is distributed quickly and uniformly over the finger-like extensions or the chambers formed by the finger-like extensions. This results in a uniform expansion of the gas bag, which in most
- Another subsidiary aspect of the invention relates to a
- Vehicle occupant restraint system with a previously described airbag or the gas bag module described above may for example be integrated in motor vehicles, preferably multi-lane motor vehicles such as cars or trucks.
- the gas bag described here is suitable for different fields of application.
- a vehicle can be equipped with such a gas bag, wherein the gas bag can be integrated into different vehicle parts.
- a steering wheel for a vehicle with such a gas bag or airbag module may be provided, wherein the gas bag is designed and / or dimensioned such that the gas bag in the inflated state at a
- Steering wheel rim of the steering wheel is supported.
- the steering wheel rim forms so far
- the gas bag in the inflated state is formed and / or dimensioned that the gas bag in the inflated state on a storage surface and / or a glove compartment lid of the
- the gas bag can take such a curved or curved three-dimensional shape that the gas bag rests with its underside on the dashboard.
- a rear seat or a rear seat for a vehicle with such a gas bag or airbag module of the type described above is to be mentioned, wherein the gas bag is formed and / or dimensioned so that the gas bag extends in the inflated state between two seats in the vehicle longitudinal direction.
- the gas bag essentially forms one
- Interaction bag that prevents the collision of two people sitting in the backseat or the rear seat.
- a window frame or a headliner for a vehicle may have such a gas bag or such a gas bag module, wherein the gas bag is designed and / or dimensioned such that the gas bag in the
- the airbag in the inflated state at least
- the gas bag may be curved in the inflated state to the interior of the vehicle. This is especially true for the bottom, which faces the side window. In this way, a free space is formed between the side window and the gas bag, which is reduced with deformation of the gas bag. In the event of an impact, the impact energy is thus not just reduced by displacing the gas volume within the
- Gas expansion space can be made smaller than in conventional gas bags or airbags. Because the airbag forms by the three-dimensional shape in the
- the gas bag according to the invention is also suitable for integration into garments.
- a garment in particular a collar for placement around a neck of a person, with such a gas bag or gas bag module can be characterized in that the gas bag is formed and / or dimensioned so that the gas bag in the inflated state surrounds the head of the person like a helmet.
- a helmet replacement, z. B. for bicycle or Motorcyclists are formed, with the helmet or the airbag only then forms when an impact is imminent.
- Fig. 1 a textile blank for a casing of a gas bag according to the invention according to a preferred embodiment, the gas bag being designed as a head airbag;
- FIG. 2 shows the gas bag with the textile blank according to FIG. 1 in the inflated state
- FIG. 3 shows a textile blank of a shell of an airbag according to a further preferred embodiment, wherein the airbag is designed as a passenger airbag;
- FIG. 4 shows the gas bag with the textile blank according to FIG. 3 in the inflated state
- FIG. 5 shows a textile blank of a casing of an airbag according to a further preferred embodiment, the airbag being designed as a driver airbag;
- FIG. 6 shows the gas bag with the textile blank according to FIG. 5 in the inflated state
- FIG. 7 shows a textile blank of a casing of an airbag according to a further preferred embodiment, the airbag being designed as an interaction bag;
- Fig. 8 shows the gas bag with the textile blank according to FIG. 7 in the inflated state
- FIG. 9 shows a textile blank of a casing of an airbag according to a further preferred embodiment, the airbag being designed as a knee airbag;
- Fig. 10 shows the gas bag with the textile blank according to FIG. 9 in the inflated state;
- Fig. 11 shows a textile blank of a shell of an airbag according to a further preferred exemplary embodiment, the airbag being designed as a "window bag";
- FIG. 12 shows an airbag with the textile blank according to FIG. 11 in FIG.
- the attached figures each show an inflatable airbag 1, which serves to protect a person especially in traffic.
- the gas bag 1 can on the one hand be designed as a portable gas bag 1, which is integrated, for example, in the clothing of a person, or as an airbag 1 which is firmly integrated in a vehicle.
- the gas bag has a flexible casing 10, wherein the flexible casing 10 comprises a plurality of finger-like extensions 11.
- the finger-like extensions 11 are separated by fabric cutouts 32 in a manufacturing state of the flexible casing 10.
- the spaced apart finger-like extensions 11 are joined together to close the textile cutouts 32 and the gaps between the finger-like extensions 11.
- the connection can be made by gluing, sewing or other joining techniques.
- Projections 11 form immediately adjacent chambers, which are part of the gas expansion space of the shell 10.
- the shell 10 encloses this
- the three-dimensional shape may, for example, in a curvature of the airbag 1 show. Other shapes are also possible.
- the three-dimensional shape is generally different from the conventional physical one
- Cushion-shaped gas bags 1 have a three-dimensional shape in the sense of the present invention
- three-dimensional shaped bags 1 extend at least parts of the gas bag or sections of the gas bag in different directions and thus form a three-dimensional contour.
- a three-dimensional shape of the airbag 1 can functionally express itself in that the impact energy acting on the airbag 1 is expressed not only by gas displacement, but in particular also by deformation of the entire airbag.
- the gas bag 1 may be arcuately curved in the direction of a person to be protected, so that a portion of the impact energy not through
- the shell 10 of the gas bag 1 may be formed from two textile blanks 12 which are preferably identically shaped.
- the textile blanks 12 have continuation flaps, which later form the finger-like extensions 11.
- the textile blanks 12 are placed flat on top of each other and joined together at their outer edges 13, in particular sewn.
- the textile cutouts 32 between the finger-like extensions 11 are bounded by the seams at the outer edge 13. Two opposing seams are then joined together to close the gap formed by the textile cutout 32.
- the textile blank 12 essentially has a palm-like structure, with a plurality of finger-like extensions 11 projecting axially symmetrically from a central region 17 of the casing 10.
- the central region 17 essentially forms a central gas distribution region of the casing 10.
- a gas generator 20 is in it with this
- Fluid connection so that gas which is generated in the gas generator 20, can be well distributed over all finger-like extensions 11.
- the textile blank 12 according to FIG. 1 essentially comprises two sections.
- the casing 10 comprises a neck section 18, to which a head section 19 adjoins.
- the neck portion 18 includes two finger-like extensions 11 that extend substantially perpendicularly from a central axis of the sleeve 10.
- the head portion 19 comprises a total of six finger-like extensions 11, wherein each two finger-like extensions 11 a
- FIG. 2 shows an airbag 1, which consists of textile blanks 12 according to FIG. 1 is formed.
- the gas bag 1 is shown in the inflated state on the head 30 of a person. It can be seen that the neck portion 18 forms a collar 28 which lies around the neck 31 of the person to be protected. The head portion 18 forms a helmet-like contour by closing around the head 30 of the person.
- the gas bag 1 according to FIG. 2 is a three-dimensional shape, which results from the contour of the finger-like extensions 11 and the textile cutouts 32. The relationship between the shape of the finger-like extensions 11 and the three-dimensional shape of the gas bag 1 in the inflated state is also clearly visible from the exemplary embodiment according to FIGS. 3 and 4.
- FIG. 3 shows a textile blank 12 which is provided to form the gas bag 1 according to FIG. 4.
- the textile blank 12 comprises a plurality of lateral, finger-like extensions 11, which are arranged spaced apart by relatively wide textile cutouts 32.
- the textile blank 12 essentially has a toothed outer edge profile, wherein the toothed outer edge profile is formed axially symmetrically about a central axis of the shell 10.
- the gas generator 20 is arranged in a central region 17 of the shell 10.
- Extensions 11 are connected together along their outer edges 13, in
- the gas bag 1 is used in this case as a passenger airbag and bulges over the curved contour of a dashboard 23.
- an upper side 14 which faces the person to be protected, a convex curvature, which also shows on a bottom 15.
- the top 14 and the bottom 15 are thus both convexly curved and thus form a three-dimensional shape of the airbag 1.
- Airbag 1 according to FIG. 4 has a substantially conch-like or hemispherical shape and is based on the dashboard 23.
- FIGS. 5 and 6 show a textile blank 12 and an airbag 1 formed therefrom, wherein the airbag 1 is preferably used as a driver's airbag.
- the gas bag 1 In the inflated state, the gas bag 1 has a substantially hemispherical structure for this purpose.
- the hemispherical structure or outer contour is achieved in that the textile blank 12 comprises a total of four finger-like extensions 11 extending radially from a center point of the hollow 10.
- the finger-like extensions 11 have substantially the shape of Ball jacket segments on.
- the finger-like extensions 11 have curved outer edges 13, so that when joining the outer edges 13, the finger-like extensions 11 are urged into a spherical or hemispherical shape.
- Fig. 5 shows the gas bag 1 in the inflated state, it being well recognizable that the
- Ball shell segments or finger-like extensions 11 are firmly connected to each other, so that the airbag 1 assumes the three-dimensional shape of a hemisphere.
- the gas bag 1 is preferably integrated in a steering wheel 21 and inflates after activation in front of the steering wheel rim 22.
- the cross-sectional diameter of the gas bag 1 is measured so that the gas bag 1 is supported on the steering wheel rim 22 in the inflated state.
- a gas bag 1 may be integrated into the rear seat 26 and thus span between two seats of the rear seat 26 so that the gas bag 1 separates the seat surfaces or the persons seated on the seats from each other.
- FIGS. 7 and 8 Such a gas bag 1 is shown in FIGS. 7 and 8.
- FIG. 7 shows a textile blank 12 which is suitable for forming the gas bag 1.
- Textile state 12 has a plurality of finger-like extensions 11, which extend substantially parallel to each other from a central region 17.
- Gas bag 1 in the inflated state shows. This can be seen in FIG. 8.
- the gas bag 1 has a top 14 and a
- Bottom 15 comprises, wherein both the top 14 and the bottom 15 have a curvature which is oriented in the same direction.
- the gas bag 1 is preferably arranged in a backrest of the rear seat 26 and spans when triggered between the seating surfaces of the rear seat 26 to a
- Fig. 9 and 10 is a textile blank 12 and a gas bag 1 with the
- Such an airbag 1 is preferably arranged below a dashboard 23 and should extend from below over the front of the dashboard 23. This avoids impact of the lower extremities of a vehicle occupant on the dashboard 23.
- the gas bag 1 is formed from textile blanks 12 which comprise a contour according to FIG. 9.
- the textile blank 12 comprises, in particular, a middle region 17 and finger-like extensions 11 extending therefrom.
- the finger-like extensions 11 are preferably oriented in the same direction or formed on one side on the textile blank 12 and spaced apart from one another by textile cutouts 32.
- Outer contour of the textile blank 12 is substantially reminiscent of a trapezoidal shape with two mutually converging side lines.
- the textile cutouts 32 are at least partially formed drop-shaped.
- the shell 10 In the central region 17 of the gas generator 20 is arranged.
- the shell 10 In the finished state, in which the finger-like extensions 11 are connected directly to each other, the shell 10 has a substantially arched three-dimensional shape.
- the curved three-dimensional shape adapts to the shape or the outer contour of the dashboard 23, as shown in FIG. 10 is clearly recognizable.
- the finished gas bag 1 has a
- Top 14 which faces the vehicle occupant.
- a bottom 15 faces the dashboard 23 and adapts to the contour of the dashboard
- Vehicle occupant restraint systems are so-called “window bags.” These, when deployed, span over the side windows 27 of a vehicle 2 to avoid impact of occupants with the side windows 27.
- a “window bag” is shown by way of example in FIG. 12
- the textile blank 12 has a wing-like contour, wherein from a central region 17 on one side several finger-like projections 11 go out. The central region 17 spans the entire width of the
- the finger-like extensions 11 go to the same direction of the central region 17.
- the finger-like extensions 11 essentially run oblique or angled to the central region 17, wherein half of the finger-like
- Projections 11 are arranged in a positive and a further half at a negative angle to a central axis of the shell 10.
- the central axis of the shell 10 extends in FIG. 11 substantially perpendicular in the plane of the drawing. With respect to this central axis of the textile blank 11 is formed axially symmetrical.
- the individual finger-like extensions 11 are directly connected to each other, in particular sewn.
- the textile cutouts 32 are then no longer recognizable. Rather, the airbag 1 or the shell 10 is urged in a three-dimensional shape. This is at least visible when the gas bag is in an inflated state.
- the three-dimensional shape of the airbag 1 according to FIGS. 11 and 12 is shown in that the airbag 1 has a curvature which, when activated in a vehicle 2, engages the airbag 1 at least in sections from a side window 27
- Fig. 12 which shows a plan view of the interior of the vehicle 2, illustrates that the gas bag 1 at least partially from the
- the gas bag 1 has for this purpose an upper side 14, which faces the vehicle interior, and an underside 15, which faces the side window 27.
- the bottom 15 forms a
- a free space 16 is formed between the side windows 27 and the underside 15, which can be additionally used for absorbing impact energy.
- Method for producing a gas bag 1, in particular an airbag the method comprising the following steps:
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201580036247.1A CN106573592B (zh) | 2014-04-30 | 2015-04-30 | 安全气囊、安全气囊模块、汽车部件及汽车乘客约束系统 |
DE112015002065.9T DE112015002065A5 (de) | 2014-04-30 | 2015-04-30 | Aufblasbarer Gassack zum Schutz einer Person, Gassackmodul, Fahrzeugteile und Fahrzeuginsassenrückhaltesystem mit einem solchen Gassack |
US15/304,890 US10618492B2 (en) | 2014-04-30 | 2015-04-30 | Inflatable airbag for protecting a person, and airbag module, vehicle parts and vehicle occupant restraint system having such an airbag |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE202014003584.9 | 2014-04-30 | ||
DE202014003584.9U DE202014003584U1 (de) | 2014-04-30 | 2014-04-30 | Aufblasbarer Gassack zum Schutz einer Person, Gassackmodul, Fahrzeugteile und Fahrzeuginsassenrückhaltesystem mit einem solchen Gassack |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015165592A1 true WO2015165592A1 (de) | 2015-11-05 |
Family
ID=53188978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2015/000896 WO2015165592A1 (de) | 2014-04-30 | 2015-04-30 | Aufblasbarer gassack zum schutz einer person, gassackmodul, fahrzeugteile und fahrzeuginsassenrückhaltesystem mit einem solchem gassack |
Country Status (4)
Country | Link |
---|---|
US (1) | US10618492B2 (de) |
CN (1) | CN106573592B (de) |
DE (2) | DE202014003584U1 (de) |
WO (1) | WO2015165592A1 (de) |
Cited By (3)
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WO2017001361A1 (de) * | 2015-07-02 | 2017-01-05 | Trw Automotive Gmbh | Aufblasbarer gassack zum schutz einer person, gassackmodul, fahrzeuginsassenrückhaltesystem mit einem solchen gassack und verfahren zum herstellen eines aufblasbaren gassacks |
US10029643B2 (en) | 2016-08-22 | 2018-07-24 | Ford Global Technologies, Llc | Airbag including a plurality of fingers extending from an impact surface |
WO2021053073A1 (de) | 2019-09-19 | 2021-03-25 | Zf Airbag Germany Gmbh | Gassack, insbesondere für ein fahrzeuginsassen-rückhaltesystem |
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DE202014001513U1 (de) * | 2014-02-20 | 2015-05-21 | Dalphi Metal Espana S.A. | Thorax-Insassenschutzeinrichtung |
JP6500826B2 (ja) * | 2016-04-08 | 2019-04-17 | トヨタ自動車株式会社 | 乗員保護装置 |
JP6672080B2 (ja) * | 2016-06-01 | 2020-03-25 | 日本プラスト株式会社 | エアバッグ |
US10065592B2 (en) * | 2016-09-08 | 2018-09-04 | Ford Global Technologies, Llc | Airbag including hub and inflatable fins |
US11351954B2 (en) | 2017-07-07 | 2022-06-07 | Honda Motor Co., Ltd. | Airbag device |
CN110525556B (zh) * | 2018-05-25 | 2022-05-03 | 日本富拉司特株式会社 | 安全气囊 |
CN110525555B (zh) * | 2018-05-25 | 2021-10-29 | 日本富拉司特株式会社 | 安全气囊 |
JP6367511B1 (ja) * | 2018-05-31 | 2018-08-01 | Joyson Safety Systems Japan株式会社 | エアバッグ |
US11064753B2 (en) * | 2019-03-14 | 2021-07-20 | Medical Justice Corporation | Dual functioning head protection device |
CN111845615B (zh) * | 2019-04-29 | 2023-08-22 | 奥托立夫开发公司 | 安全气囊和车辆 |
EP3766368A1 (de) * | 2019-07-19 | 2021-01-20 | Afida Bensaoud | Schutzhelm für notfälle |
US11046280B2 (en) * | 2019-07-22 | 2021-06-29 | Autoliv Asp, Inc. | Lateral occupant engagement cushions |
DE102020114696A1 (de) | 2020-05-05 | 2021-11-11 | Günter Rood | Fahrzeug, insbesondere Leichtfahrzeug |
US20220361603A1 (en) * | 2021-05-17 | 2022-11-17 | Autoliv Asp, Inc. | One piece woven medical gown with coating |
US20230112876A1 (en) | 2021-10-07 | 2023-04-13 | Bnr Co., Ltd. | Airbag structure |
WO2023145289A1 (ja) * | 2022-01-31 | 2023-08-03 | オートリブ ディベロップメント エービー | 運転席用エアバッグ装置 |
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- 2015-04-30 WO PCT/EP2015/000896 patent/WO2015165592A1/de active Application Filing
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WO2021053073A1 (de) | 2019-09-19 | 2021-03-25 | Zf Airbag Germany Gmbh | Gassack, insbesondere für ein fahrzeuginsassen-rückhaltesystem |
Also Published As
Publication number | Publication date |
---|---|
US10618492B2 (en) | 2020-04-14 |
CN106573592B (zh) | 2020-07-24 |
DE202014003584U1 (de) | 2015-07-31 |
US20170174170A1 (en) | 2017-06-22 |
DE112015002065A5 (de) | 2017-01-26 |
CN106573592A (zh) | 2017-04-19 |
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