EP3898344A1 - Kraftfahrzeughaube mit airbaganordnung - Google Patents
Kraftfahrzeughaube mit airbaganordnungInfo
- Publication number
- EP3898344A1 EP3898344A1 EP19831597.0A EP19831597A EP3898344A1 EP 3898344 A1 EP3898344 A1 EP 3898344A1 EP 19831597 A EP19831597 A EP 19831597A EP 3898344 A1 EP3898344 A1 EP 3898344A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hood
- airbag
- motor vehicle
- edge
- rear wall
- 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.)
- Withdrawn
Links
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
- B60R21/34—Protecting non-occupants of a vehicle, e.g. pedestrians
- B60R21/36—Protecting non-occupants of a vehicle, e.g. pedestrians using airbags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/08—Front or rear portions
- B62D25/10—Bonnets or lids, e.g. for trucks, tractors, busses, work vehicles
- B62D25/12—Parts or details thereof
Definitions
- Devices for pedestrian protection For example, passenger cars are required to absorb or absorb the impact energy caused by a pedestrian impact as gently as possible. In this way, pedestrians should be protected as well as possible against injuries.
- Pedestrian protection measures are particularly in the front area of the
- Motor vehicle such as provided in the area of a hood, which is upstream of a windshield in relation to the direction of travel of the motor vehicle.
- an airbag emerge from the vehicle body facing the windscreen.
- DE 10 2017 004 044 A1 discloses a motor vehicle body with a windshield upstream of a windscreen and with at least one airbag arrangement provided on or in the region of the windshield.
- an airbag for pedestrian protection in the area of a motor vehicle hood, in particular in the area of a hood. It is therefore the objective of the present further development to provide an airbag arrangement which is particularly small and compact and which can be easily integrated into relatively small or compact vehicles.
- the airbag arrangement should also be lightweight and simple and intuitive to install on or in the motor vehicle. It should also be retrofittable for existing motor vehicles.
- an airbag arrangement for arrangement on or in a hood of a motor vehicle.
- the airbag arrangement has a holder.
- the holder has a receiving space for an airbag.
- the bracket also has at least one attachment point for attaching the bracket to the hood.
- the receiving space designed for receiving the airbag is delimited at least by a floor or at least by a rear wall, to which or to which the airbag can be fastened.
- the airbag arrangement furthermore has at least one cover which is arranged at a distance from the bottom of the receiving space and which is pivotable or movable with a first end section relative to the holder.
- the first end section of the lid or the entire lid can be movably and / or pivotably mounted.
- the lid can be arranged on the holder and only with its first
- End section be pivotally or movably mounted to the bracket.
- the lid can also be arranged on the hood of the motor vehicle and be pivotally or movably mounted relative to the bracket.
- the airbag can typically be preassembled or on the holder
- the bracket and the airbag can form a type of airbag module, which is pre-configured by a motor vehicle supplier to the
- the airbag is typically connected to the floor and / or to the rear wall.
- the airbag can be fixed on the floor and / or on the rear wall of the receiving space of the holder.
- the at least one cover in particular its pivotable or movable mounting relative to the receiving space, is intended to be moved through and by means of the airbag when the airbag is deployed in such a way that the cover functions as a type of ram that opens in or on the hood opens or enlarges an already existing opening as intended in order to enable a defined, in particular unimpeded deployment of the airbag from the area of the hood and into the outer area of the motor vehicle.
- the cover of the holder is typically arranged directly adjacent to an outer shell of a motor vehicle hood. This is relatively easy to deform, especially if the cover is subjected to a pulse or a force due to the deployment of the airbag.
- the receiving space is delimited at least by the floor and the rear wall.
- the back wall is connected to the floor.
- the bottom and the rear wall can be designed in one piece.
- the entire holder can also be designed in one piece.
- the holder can in particular be designed as a plastic injection molded component. This can optionally be structurally reinforced with one or more metal inserts.
- the bracket can at least in sections as glass fiber reinforced plastic injection molded component. Such configurations give the receiving space, in particular the holder, sufficient stability and strength, in particular if the airbag should deploy.
- the cover is arranged with a second end section on an end of the rear wall facing away from the floor.
- the rear wall forms the distance between the second end section of the cover and the floor.
- the first end section of the cover can have a greater distance from the floor in the direction of the surface normal of the floor than the second end section.
- the cover can be designed as an essentially flat cover, which is oriented inclined at a predetermined angle to the floor.
- the first end portion of the lid is typically a greater distance from the floor than the second end portion.
- the cover can extend at least at a predetermined angle in relation to the level of the base. An upward adjustment of the cover is of particular advantage for the deployment of the airbag, which is at least partially enclosed by the cover, the bottom and the rear wall.
- End section pointing away from the floor has a minimal impact on the airbag deployment.
- it can serve as a type of baffle for airbag deployment.
- the cover which is at least slightly inclined upward, can absorb the forces arising as a result of the airbag deployment particularly well and can cause the cover to pivot or slide relative to the floor.
- the cover is connected to the rear wall by means of a hinge section.
- the lid and the back wall can be in one piece or be designed in several parts.
- the cover can be connected to the rear wall, for example by means of a film hinge section.
- the cover and the rear wall can be designed, for example, as a one-piece plastic injection molded component.
- the film hinge can only form a structural weakening in the transition between the cover and the rear wall.
- the hinge section can have some inherent stiffness or
- the cover can also be designed, for example, as a metal plate which is connected to the rear wall via a hinge.
- the holder or individual sections thereof are designed as a structure-reinforced plastic injection molding component.
- the holder has the rear wall
- the ramp section can also be structurally reinforced. It can have a metal insert and it can be as
- Plastic injection molded component to be formed The ramp section and the floor can be formed in one piece, in particular as a plastic injection molded component.
- the angle between the floor and the ramp section is typically greater than 90 °. It is typically between 90 ° and 130 °.
- the length of the ramp section, in particular in the direction of the surface normal of the floor, and the angle of attack of the ramp section with respect to the floor can have a decisive influence on the geometry of the airbag deployment. The steeper the angle between the floor and the employee
- Ramp section is configured, the more the airbag deploys in the direction of the surface normal of the floor. The flatter the angle from the ground, the lower the airbag deploys, with the lowest on the
- the holder has at least one or more reinforcing ribs in the area of the bottom and / or in the area of the rear wall.
- the holder can also have one or more reinforcing ribs in the region of the ramp section.
- the ribs can be formed in the longitudinal direction and / or in the transverse direction, in particular on the outside of the floor, on the outside of the rear wall and / or on the outside of the ramp section. In this way, the bracket undergoes further structural reinforcement.
- the holder has at least one or two side cheeks. These can limit the receiving space, for example, in the longitudinal direction of the holder.
- the rear wall and the ramp section can e.g. be spaced from each other perpendicular to the longitudinal direction.
- the side panels can also be connected to the floor. They can also be integrated in one piece into the holder.
- the sidewalls typically extend from the ramp section to the rear wall.
- a further structural reinforcement of the holder can be achieved by means of the side cheeks, in particular by means of a structural connection of the side cheeks with at least one of the ramp section and rear wall. This enables a reduction in the material thickness for the formation of the holder and thus also a reduction in the total weight of the holder.
- the first end section of the cover forms a ram which, under the action of an unfolding airbag, is designed to deform an outer shell of the hood arranged adjacent to the cover in order to form or enlarge an airbag opening.
- the lid can be designed as a pivotably mounted lid, which the
- Covering area is only partially covered and which leaves a free space in the direction of the ramp section in particular.
- the lid typically has an area that is smaller than the area of the bottom.
- the airbag arrangement has an airbag, which is arranged in the receiving space of the holder and which is structurally and / or rigidly connected to the floor and / or to the rear wall.
- the airbag arrangement is characterized in particular by its small size and light weight.
- the integration in the hood and the design of the movable cover enables the implementation of a relatively small gas generator. Consequently, only relatively little installation space is required for the airbag arrangement. Ultimately, this goes hand in hand with a cost reduction.
- the development further relates to a motor vehicle hood with a hood frame and with an outer shell.
- the outer shell can e.g. form an outer panel of the hood
- the hood frame has a circumferential frame edge.
- the outer shell has a peripheral shell edge.
- the hood frame is connected to the shell edge by means of a frame edge. In a region facing a windshield in relation to an installation position on the motor vehicle, the hood frame has a receptacle for a previously
- the airbag arrangement is only on the
- Motor vehicle hood is arranged. It has no connection to other load-bearing structural components of the motor vehicle.
- the sole integration of the airbag arrangement in the motor vehicle hood makes it possible to replace existing motor vehicles by exchanging the motor vehicle hood with one here
- the outer shell in particular its shell edge, is typically arranged so as to overlap the frame edge of the hood frame.
- a reciprocal connection of the hood frame and the outer shell can in particular only take place via a mechanical connection between the shell edge and the frame edge.
- the edge of the shell and the edge of the frame can be positively connected to one another, for example, by means of a flange.
- the edge of the shell and the edge of the frame directly at least in sections are welded.
- the hood frame represents the load-bearing structure of the motor vehicle hood. It is located on an inside or underside of the motor vehicle hood.
- the outer shell forms the upper side of the motor vehicle hood that is visible from the outside.
- the receptacle for the airbag arrangement is a recess or interruption in the hood frame.
- the design of the receptacle in the form of a recess or interruption in the hood structure represents a structural weakening of the hood structure in the area of the receptacle. This is advantageous for the airbag arrangement in that a mechanical connection between the hood structure and the outer shell in the area of the receptacle, at least in some areas is structurally weakened.
- the airbag deploys in the direction of a front window of the motor vehicle and, when unfolded, bears against the outside of the front window in the foot or base area.
- the receptacle for the airbag arrangement is an interruption or recess in the frame edge.
- no or only a structurally weakened mutual connection between the shell edge and the frame edge is possible in the area of the receptacle. This supports a defined and desired mechanical deformation of the shell edge in the area of the receptacle, in particular above that in or at the interruption or
- the motor vehicle has a previously described airbag arrangement.
- the bracket of the airbag arrangement is arranged in the receptacle of the hood frame. It is in the recording of the
- Hood skeleton in particular fixed in the interruption or recess of the skeleton edge and / or structurally in this area with the skeleton edge, ie connected to transfer the load.
- a connection between the frame edge and the shell edge in the area of the receptacle and / or adjacent to the receptacle is either interrupted and / or structurally weakened.
- far fewer weld points can be provided along the edges in the area of the receptacle or adjacent to the receptacle than is the case in the remaining area of the frame edge and shell edge.
- Structurally weakened flanging can also be provided in the region of the receptacle in the case of a flanged connection between the frame edge and the shell edge.
- the hood can be designed with a single airbag arrangement, wherein the airbag can be scared over the entire width of the vehicle in relation to the vehicle transverse axis (y).
- the airbag arrangement can be based on the
- the transverse vehicle axis (y) must be arranged approximately in the center of the hood.
- the development concerns a
- a motor vehicle in particular a compact vehicle, is also in the sense of the present development.
- the motor vehicle has a previously described motor vehicle hood or an previously described airbag arrangement.
- the motor vehicle can in particular be designed as an electric vehicle, in which the hood is immovably arranged on the motor vehicle body.
- Airbag arrangement and the motor vehicle hood are explained in the following description of an exemplary embodiment with reference to the figures. Here show:
- Fig. 1 is a schematic representation of a motor vehicle
- Fig. 2 is a schematic representation of the airbag arrangement
- FIG. 3 shows a schematic and greatly simplified illustration of the window-side end of the motor vehicle hood with an airbag in the basic state
- FIG. 4 shows a representation according to FIG. 3, but with the airbag deployed
- FIG. 5 is a perspective view of the airbag arrangement with an airbag arranged therein
- Fig. 6 is a perspective view of the airbag assembly within the
- Fig. 7 shows a cross section through the airbag arrangement arranged in the hood in the basic state
- FIG. 8 shows a representation according to FIG. 7 with the airbag deployed.
- the motor vehicle 1 shown in FIG. 1 has a self-supporting one
- Motor vehicle body 2 with an interior 3.
- the interior 3 is in Direction of travel of the motor vehicle forward limited by a front window 5.
- a cowl 6 in front of the windshield 6.
- a motor vehicle hood 4 is arranged above and in the direction of travel of the cowl 6.
- the motor vehicle hood 4 can in particular be designed as a hood.
- the motor vehicle is shown in FIG. 1 as a caravan or station wagon, this can also and in particular be a small car or a compact vehicle with only two seats or four seats.
- the hood 4 and its individual components are shown in FIG. 2.
- the hood 4 has a hood frame 40 with a circumferential frame edge 41.
- the hood 4 also has an outer shell 50.
- the outer shell 50 is free of
- Hood skeletons 40 are arranged overlapping and connected to one another.
- the shell edge 51 and the frame edge 41 are designed to correspond to one another.
- the outer shell 50 can be structurally connected to the frame edge 41 in particular via its shell edge 51.
- the frame edge 41 can be welded to the shell edge 51 at least in sections, in particular spot welded.
- the shell edge 51 can also be positively connected to the frame edge by means of flanging.
- the hood frame 40 virtually represents the supporting structure for the hood 4. It also has a receptacle 42 for an airbag arrangement 10.
- Airbag arrangement 10 has a holder 20, which is shown in perspective in FIG. 5.
- the bracket 20 has one or more
- Hood frame 40 is attachable.
- the fastening points 21 can have individual fastening lugs and / or screw holes or similar connecting means, by means of which a durable and load-transmitting connection can be formed between the holder 20 and the hood frame 40.
- the airbag arrangement also has an airbag 12.
- the holder 20 has a receiving space 28 in which the airbag 12 can be arranged.
- the airbag 12 can also have a generator 14, as is shown schematically in FIG. 8.
- the generator 14 serves to activate a propellant charge and controls or triggers the deployment of the airbag 12 ′, as shown in FIGS. 4 and 8.
- the receiving space 28 of the holder is open at the top.
- the receiving space 28 is delimited at least by a floor 30 and by an adjoining rear wall 31, as shown in FIG. 7.
- side cheeks 35 can also be provided, which delimit the receiving space 28 laterally adjacent to the rear wall 31.
- the airbag 12 is typically fixed on the floor 30 and / or on the rear wall 31. It can be with the bottom 30 and / or with the rear wall 31
- a cover 34 is also arranged on an upper end of the rear wall 31 facing away from the base 30. This has a first end section 33 which is arranged at a distance from the floor 30. In the example shown here, the cover 34 is pivotable or displaceable on the
- the cover 34 can be pivotably mounted on the rear wall 31 by means of a second end section 37.
- the second end section 37 can be connected to the rear wall 31 via a hinge section 36.
- Hinge section 36 can be a film hinge. It is conceivable that the hinge section 36 has a predetermined intrinsic stiffness, according to which the cover 34 remains in the basic position shown in FIG. 7. In this, the first end section 33 of the cover 34 is aligned in the direction of the outer shell 50 arranged above it. In the basic state shown in FIG. 7, the distance between the first end section 33 and an inside of the
- Outer shell 50 be about 5 mm.
- the first end portion 33 of the cover 34 which is also a free end portion is configured, can also rest on the inside of the outer shell 50.
- the cover 34 can be oriented slightly inclined relative to the base 30.
- the first end section 33 is at a greater distance from the floor 30 than the second end section 37.
- the orientation of the cover 34 which is raised in the direction of the front window 5, it can function particularly well as a kind of ram for the airbag deployment.
- the airbag 12 and the associated holder 20 are arranged in particular on an edge of the hood 4 facing the front pane 5.
- the frame edge 41 can have a receptacle 42 for the airbag arrangement 10.
- the receptacle 42 can be designed as a recess or recess 44 in the frame edge 41.
- a structural weakening of the connection of the outer shell 50 and the is in the immediate area of the airbag 12
- Hood frame 50 provided.
- a particularly light and well-defined deformation of the outer shell 50 'when the airbag 12' is deployed can be provided, as is illustrated, for example, in FIG. 4.
- An edge section 52 of the outer shell 50 directly adjacent to the receptacle 42 can also be structurally weakened, or the connection between the frame edge 41 and the shell edge 51 can be structurally weakened in the edge section 52 adjacent to the receptacle 42. In this way, it can be achieved that the outer shell 50 experiences a defined deformation as a result of the airbag deployment not only in the immediate area above the receptacle 42, but also in an edge section 52 adjacent thereto.
- the edge section 52 of the outer shell 50 adjoining the receptacle 42 can are also referred to here as the first edge section 52.
- the shell edge 51 can have a second edge section 53 which is further adjacent thereto and which extends away from the receptacle 42 of the first
- Edge section 52 forms. In the area of the second edge section 53, the mutual connection of the outer shell 50 and the hood frame 40 can be made stronger or more stable than in the area of the receptacle 42 and / or in the area of the first edge section 52.
- Outer shell 50 or shell edge 51 and hood frame 40 or frame edge 41 can be structurally weaker than in the second edge section 53 adjacent to it.
- a surface density at fastening points 55 of the outer shell 50 in the second edge section 53 can be greater than in the area of the first edge section 52.
- fewer fastening points 55 can be provided than in FIG.
- the fastening points 55 of the outer shell 50 can e.g. interact with correspondingly designed counter-fastening points 45 of the frame edge 41.
- the fastening points 55 can be individual flanged points or welding spots. It can further be provided that the shell edge 51 and the frame edge 41 are flanged at least in regions along their length and that for structural weakening in the first edge section 52
- Interruptions for example in the form of holes, are provided in the flanged edge.
- Edge section 52 has a lower material thickness than in the area of the second edge section 53.
- the cover 34 which is pivotably arranged on the holder 20, can deliberately deform, in particular bulge, bend or bulge the
- the size of the expansion of the bulge in the area of the opposite edges 41, 51 of the hood frame 40 and the outer shell 50 can be approximately 40 mm to 200 mm, preferably 60 mm to 70 mm, and particularly preferably 40 mm to 50 mm.
- the inward, for example the airbag 12 facing inner surface of the cover 34 can function as a force or momentum absorbing surface and absorb a force released as a result of the airbag deployment or a corresponding impulse and accordingly are thrown against the inside of the outer shell 50. This causes a desired deformation of the outer shell 50.
- Hood skeleton 40 and the outer shell 50 can be enlarged in this way as needed to allow a particularly good and reliable deployment of the airbag 12 in the base area of the front screen 5.
- the bracket 20 has a reinforcement 24. This can be located at least in the area of the base 30 and / or in the area of the rear wall 31. Furthermore, it is conceivable that the reinforcement 34, as shown in FIG. 6, also extends in the region of a ramp section 32 directed towards the front pane 4.
- the reinforcement can in particular be one or more
- individual ribs 25 can also extend continuously from the floor 30 into the ramp section 32, for example. Individual ribs can also extend from the rear wall 31 over the base 30 into the edge section 32. This increases the stability and torsional rigidity of the holder 20.
- the ramp section 32 can be configured as an upward extension of the floor 30. It is placed diagonally upwards. The angle between an inside of the bottom 30 and the inside of the
- Ramp section 32 is typically more than 90 °. It can be between 90 ° and 130 °. The length of the ramp section 32 and the angle of attack dictate the geometry of the airbag deployment. Depending on the installation position of the holder 20 in or on the hood 4, the ramp section 32 can ensure that the airbag 12 is deployed as required.
- the edge section 32 can, with the outer shell 50, for example shown in FIGS. 4 and 8, provide a kind of firing channel 46 for the airbag deployment.
- the airbag 12 can thus extend specifically over the cowl 6 onto the lower pane area and over an A-pillar of the motor vehicle 1 adjoining it.
- the airbag 12 is located above the cowl 6 and outside as well as in the base area of the windshield 5.
- FIGS. 3 and 4 also indicate that the receptacle 42 may be covered by a cover 38. This can be virtually blown away when the airbag is deployed.
- the cover 38 can in particular as
- Plastic component can be provided and typically by means of a
- the cover 38 closes the receptacle 42, which is accessible at the edge, between the hood frame 40 and the outer shell 50.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Superstructure Of Vehicle (AREA)
- Air Bags (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102018222480.3A DE102018222480B4 (de) | 2018-12-20 | 2018-12-20 | Kraftfahrzeughaube mit Airbaganordnung |
| PCT/EP2019/083673 WO2020126505A1 (de) | 2018-12-20 | 2019-12-04 | Kraftfahrzeughaube mit airbaganordnung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3898344A1 true EP3898344A1 (de) | 2021-10-27 |
Family
ID=69104341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19831597.0A Withdrawn EP3898344A1 (de) | 2018-12-20 | 2019-12-04 | Kraftfahrzeughaube mit airbaganordnung |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3898344A1 (de) |
| CN (1) | CN113242817A (de) |
| DE (1) | DE102018222480B4 (de) |
| WO (1) | WO2020126505A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014001305A1 (de) * | 2014-01-31 | 2015-08-06 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Airbagmodul für den Fußgängerschutz |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6715789B2 (en) * | 2001-05-21 | 2004-04-06 | Toyoda Gosei Co., Ltd. | Knee protecting airbag device |
| JP2003089333A (ja) * | 2001-09-18 | 2003-03-25 | Toyota Motor Corp | フードエアバッグ装置 |
| JP2003182487A (ja) * | 2001-12-14 | 2003-07-03 | Takata Corp | 外面展開型エアバッグ装置の設置構造 |
| US7341274B2 (en) * | 2004-03-17 | 2008-03-11 | Toyoda Gosei Co., Ltd. | Pedestrian airbag system |
| FR2879147B1 (fr) * | 2004-12-13 | 2007-03-30 | Plastic Omnium Cie | Capot avec trappe avant d'air-bag |
| DE102007005922B4 (de) * | 2007-02-06 | 2010-11-18 | Lisa Dräxlmaier GmbH | Richtungsgeber für die Entfaltung eines Airbags |
| US8424905B2 (en) * | 2008-10-02 | 2013-04-23 | Faurecia Interieur Industrie | Interior trim assembly for a motor vehicle and motor vehicle |
| JP5846192B2 (ja) * | 2013-12-24 | 2016-01-20 | トヨタ自動車株式会社 | 車両用歩行者保護エアバッグ装置 |
| JP6052158B2 (ja) * | 2013-12-25 | 2016-12-27 | トヨタ自動車株式会社 | 歩行者保護エアバッグ装置 |
| KR101637675B1 (ko) * | 2014-09-03 | 2016-07-07 | 현대자동차주식회사 | 보행자용 에어백 구조 |
| JP6292098B2 (ja) * | 2014-10-24 | 2018-03-14 | 豊田合成株式会社 | 歩行者用エアバッグ装置 |
| DE102017004044A1 (de) | 2017-04-26 | 2018-10-31 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Kraftfahrzeugkarosserie mit Airbaganordnung im Bereich eines Windlaufs |
-
2018
- 2018-12-20 DE DE102018222480.3A patent/DE102018222480B4/de not_active Expired - Fee Related
-
2019
- 2019-12-04 EP EP19831597.0A patent/EP3898344A1/de not_active Withdrawn
- 2019-12-04 CN CN201980084483.9A patent/CN113242817A/zh active Pending
- 2019-12-04 WO PCT/EP2019/083673 patent/WO2020126505A1/de not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014001305A1 (de) * | 2014-01-31 | 2015-08-06 | GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) | Airbagmodul für den Fußgängerschutz |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102018222480B4 (de) | 2020-07-02 |
| WO2020126505A1 (de) | 2020-06-25 |
| DE102018222480A1 (de) | 2020-06-25 |
| CN113242817A (zh) | 2021-08-10 |
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