WO2024048930A1 - Dispositif d'airbag pour un véhicule - Google Patents

Dispositif d'airbag pour un véhicule Download PDF

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Publication number
WO2024048930A1
WO2024048930A1 PCT/KR2023/008377 KR2023008377W WO2024048930A1 WO 2024048930 A1 WO2024048930 A1 WO 2024048930A1 KR 2023008377 W KR2023008377 W KR 2023008377W WO 2024048930 A1 WO2024048930 A1 WO 2024048930A1
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WO
WIPO (PCT)
Prior art keywords
occupant
chamber
airbag
head
backrest
Prior art date
Application number
PCT/KR2023/008377
Other languages
English (en)
Korean (ko)
Inventor
장동현
이승진
Original Assignee
아우토리브 디벨롭먼트 아베
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 아우토리브 디벨롭먼트 아베 filed Critical 아우토리브 디벨롭먼트 아베
Publication of WO2024048930A1 publication Critical patent/WO2024048930A1/fr

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    • 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
    • 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
    • B60R21/23—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
    • 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
    • B60R21/2338—Tethers
    • 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
    • B60R2021/003—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks characterised by occupant or pedestian
    • B60R2021/0039—Body parts of the occupant or pedestrian affected by the accident
    • B60R2021/0048—Head
    • 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
    • B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
    • B60R21/2334—Expansion control features
    • B60R21/2338—Tethers
    • B60R2021/23382—Internal tether means
    • 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
    • B60R21/2338—Tethers
    • B60R2021/23386—External tether means
    • 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
    • B60R2021/23576—Sewing

Definitions

  • the present invention relates to an airbag device for a vehicle, and more specifically, to an airbag device for a vehicle that inflates and deploys to restrain and protect occupants when a vehicle crashes.
  • the airbag device of a car is a safety device that protects occupants by rapidly inflating the airbag by injecting gas into the airbag according to a signal from an impact sensor when a car crashes.
  • These airbag devices are installed on the steering wheel, dashboard, seat, side wall, etc. of a car, and inflate toward the front or side of the occupants when the car crashes to protect the occupants.
  • the car may be equipped with a front airbag that deploys in front of the driver's seat and the passenger seat, a curtain airbag and side airbag that deploys on the side of the passenger to protect the passenger, and a knee airbag that protects the passenger's knees.
  • the self-driving car uses advanced sensors that can recognize surrounding objects and high-performance graphics processing units to detect each device installed in the vehicle and the situation around the vehicle, and controls the operation of each device provided in the vehicle according to the detection results. and drive.
  • the advanced sensor measures the distance between objects like a human, detects danger, and helps the user see all areas without blind spots.
  • the graphics processing unit identifies the car's surrounding environment through multiple cameras and analyzes the images to help the car drive safely.
  • self-driving cars may be equipped with LiDAR equipment, sound wave equipment, 3D cameras, radar equipment, etc.
  • Passengers can adjust the angle of the backrest in various ways, and can rotate the seat to face the passengers in the back seat and have meetings.
  • Patent Document 1 and Patent Document 2 below disclose the configuration of a passenger protection system for a vehicle.
  • the front airbag device may inflate and deploy toward the front of the occupants to protect the occupants.
  • the occupant moves rearward again as the airbag rebounds and collides with other parts of the car, such as the seat backrest or headrest.
  • the airbag device of a car may cause injury to the occupants who are rebound by the airbag.
  • Patent Document 1 Republic of Korea Patent Registration No. 10-1655569 (announced on September 8, 2016)
  • Patent Document 2 Republic of Korea Patent Registration No. 10-1611087 (announced on April 11, 2016)
  • the purpose of the present invention is to solve the problems described above, and to provide an automobile airbag device that can safely protect occupants from rebound by a frontal airbag that inflates and deploys in front of the occupants when a collision occurs.
  • Another object of the present invention is to provide an airbag device for an automobile that can safely protect occupants by compensating for the space between the occupant and the front airbag device.
  • Another object of the present invention is to provide an airbag device for an automobile that can inflate and deploy forward along both sides of the occupant along with the rear of the occupant to restrain and safely protect the occupant.
  • the automobile airbag device includes a housing installed on the backrest of the seat, an inflator that is ignited to generate gas by a detection signal from a collision detection sensor when a car crashes, and an inside of the housing. It is stored in a rolled or folded state and includes an airbag cushion that is supplied with gas generated from the inflator in the event of a car collision and inflates and deploys to cover the upper body and head of the occupant, wherein the airbag cushion is used to protect the occupant and the backrest in the event of a car collision. It is characterized in that it is inflated from the backrest toward the rear of the occupant and then expanded forward along both sides to prevent injury to the occupant rebounding by the front airbag from collision with the backrest, compensating for the distance between the two.
  • the automobile airbag device As described above, according to the automobile airbag device according to the present invention, the effect of safely protecting the occupants by compensating to reduce the space between the occupants and the front airbag device in the event of a collision of the automobile is obtained.
  • the effect of safely protecting the occupants is obtained by effectively cushioning the impact applied to the occupants when the occupants, who are rebound by the front airbag inflated and deployed in front of the occupants, collide with the seat.
  • the effect of safely protecting the occupant is obtained by restraining the upper surface and both sides of the occupant's head using an upper chamber that expands on the occupant's head.
  • FIG. 1 is a perspective view of an automobile airbag device according to a preferred embodiment of the present invention.
  • Figure 2 is an exploded view of the airbag cushion shown in Figure 1;
  • Figures 3 to 5 are a perspective view, front view, and side view, respectively, showing the airbag cushion shown in Figure 1 in an inflated and deployed state;
  • Figure 6 is an operating state diagram showing the operating state of an automobile airbag device according to a preferred embodiment of the present invention.
  • the operation when setting the autonomous driving mode is explained using the configuration of the airbag device applied to the self-driving car, but the present invention is not necessarily limited thereto. It should be noted that it can be applied together with existing airbag cushions.
  • 'front' the direction toward the front of the car centered on the driver's seat
  • 'rear' the direction toward the rear of the car
  • terms indicating directions such as 'left', 'right', 'upward' and 'downward' are defined as indicating respective directions based on the front and rear.
  • Figure 1 is a perspective view of an automobile airbag device according to a preferred embodiment of the present invention
  • Figure 2 is an exploded view of the airbag cushion shown in Figure 1
  • Figures 3 to 5 are respectively inflated and deployed airbag cushions shown in Figure 1.
  • This is a perspective view, front view, and side view showing the condition.
  • the automobile airbag device 10 As shown in FIG. 1, the automobile airbag device 10 according to the present invention is installed on the seat of the automobile, and expands and deploys toward the rear of the occupant upon collision with the front airbag and then rebounds.
  • the present invention can prevent injuries to the occupants who rebound due to a collision with the front airbag from colliding with devices inside the vehicle, such as the seat backrest 11.
  • the present invention can effectively restrain and safely protect the occupant by compensating to reduce the space between the front airbag and the occupant when the occupant rotates the backrest rearward.
  • the airbag device 10 for a vehicle includes a housing 20 installed on the backrest 11 of the seat, and a collision detection sensor when a vehicle crashes.
  • the inflator 30, which is ignited by a detection signal and generates gas, is stored in a rolled or folded state inside the housing 20, and when a car crashes, the gas generated from the inflator 30 is supplied to the upper body and head of the occupant. It includes an airbag cushion 40 that expands and deploys to surround the.
  • the housing 20 is formed in a substantially rectangular parallelepiped shape and can be accommodated in the upper part of the inner space of the backrest 11.
  • a cut line may be formed on the front of the backrest 11 so that the airbag cushion 40 can be expanded and deployed forward toward the occupant.
  • the inflator 30 is stored in the rear of the internal space of the housing 20, and is ignited according to a detection signal from a collision detection sensor installed in the vehicle to generate gas.
  • the airbag cushion 40 has a main chamber 50 that expands and expands toward the rear of the occupant's neck and upper body to protect the occupant's head and upper body, and the rear of the occupant's head. It includes an upper chamber 60 that expands and develops towards.
  • the airbag cushion 40 may further include a pair of side chambers 70 that expand and deploy toward both sides of the occupant's upper body to prevent lateral movement of the occupant.
  • a space may be formed inside the inflated and deployed airbag cushion 40 to accommodate the entire upper body of the occupant, including the head, neck, and back.
  • the airbag cushion 40 includes an inner panel 41 that is in contact with the occupant when inflated and deployed, and an outer panel 42 that is in contact with the backrest 11 on the opposite side of the inner panel 41.
  • the inner panel 41 and the outer panel 42 are provided as one panel connected to each other, and are sewn or joined along the edge in an overlapping state, or one-piece woven (one-piece woven). It can be formed into a bag shape by the piece woven method.
  • the inner panel 41 and the outer panel 42 may be formed in shapes that are symmetrical to each other.
  • the outer panel 42 has at least one of the horizontal and vertical lengths longer than the inner panel 41 so as to cover the occupant's back when the main chamber 50 is inflated and deployed. It can be formed long.
  • This main chamber 50 may be provided with a vertical length corresponding to the neck and back of the occupant. That is, the main chamber 50 expands and deploys to the neck and back of the occupant, thereby minimizing and protecting the occupant's cervical spine and spine.
  • the present invention is not necessarily limited to this, and the main chamber 50 may be extended as needed to a vertical length corresponding to the waist area as well as the neck and back area of the occupant.
  • the upper chamber 60 is connected to the top of the main chamber 50, and can be expanded and expanded by receiving gas through the main chamber 50.
  • the upper chamber 60 expands and unfolds between the occupant's head and the headrest 12 installed on the top of the backrest 11 to cushion the impact applied when the occupant's head hits the headrest 12. Do it.
  • the outer panel 42 may be formed to be longer in one or more of the horizontal and vertical lengths than the inner panel 41 so as to cover the occupant's head when the upper chamber 60 is deployed. there is.
  • the upper chamber 60 restrains the occupant's head from moving in the left and right directions, or protects the occupant from the impact caused by a collision with the headrest 12 while the occupant's head moves rearward. To provide cushioning, it may extend to cover the top and both sides of the occupant's head.
  • the upper chamber 60 includes a rear chamber 61 corresponding to the rear of the occupant's head, an upper chamber 62 surrounding the upper surface of the occupant's head, and a pair of side chambers 63 surrounding both sides of the occupant's head. It can be included.
  • the rear chamber 61 may have a cross-section of various shapes, such as a substantially polygonal shape, a circular shape, or an elliptical shape, so as to correspond to the rear of the occupant's head.
  • the top chamber 62 extends from the top of the rear chamber 61 and can be expanded and deployed approximately toward the front.
  • the upper chamber 62 may be divided into a plurality of chambers by a chamber wall to expand and unfold along the upper surface of the occupant's head.
  • a chamber wall to expand and unfold along the upper surface of the occupant's head.
  • one or more chamber walls may be formed side by side along the left and right directions.
  • the upper chamber 62 may be expanded obliquely upward toward the front from the top of the back of the occupant's head toward the top of the head, and then may be expanded obliquely toward the front downward from the top of the occupant's head toward the forehead.
  • one or more tether members that define the deployment shape of the upper chamber 62 may be provided inside or outside the upper chamber 62.
  • the tether member may have both ends connected to the front and rear ends of the upper chamber 62, respectively, so that the deployed shape may be defined so that the cross section of the upper chamber 62 is convex upward when viewed from one side.
  • the length at which the upper chamber 62 expands forward can be set in various ways so as to cover the upper surface of the occupant's head, forehead, or upper part of the face.
  • a pair of side chambers 63 extend from both ends of the rear chamber 61, respectively, and may expand and unfold approximately toward the front.
  • each side chamber 63 may be divided into a plurality of chambers by a chamber wall so that each side chamber 63 expands and unfolds along both sides of the occupant's head.
  • a chamber wall For example, when viewed in FIG. 2, one or more chamber walls may be formed side by side along the vertical direction.
  • each side chamber 63 expands obliquely forward and outward from both ends of the rear of the occupant's head toward both ears of the occupant, and then expands forward and medially from both ear portions of the occupant toward the front of the face. It can be expanded obliquely toward the
  • each side chamber 63 may be provided inside or outside each side chamber 63.
  • the tether member is developed so that both ends are connected to the front and rear ends of each side chamber 63, so that the cross section of each side chamber 63 forms an outward convex shape, that is, '( )' when viewed from above. can be limited.
  • each of these side chambers 62 expands and unfolds forward can be set in various ways so as to cover both sides of the occupant's head and parts of both ends of the face.
  • the pair of side chambers 70 are connected to both sides of the main chamber 50, and can be expanded and expanded by receiving gas through the main chamber 50.
  • the pair of side chambers 70 are expanded and deployed outside the shoulder and upper arm areas on both sides of the occupant, respectively, and serve to protect the occupant's shoulder and upper arm areas by restraining them.
  • the outer panel 42 may be formed to have a longer horizontal length than the inner panel 41 so as to cover the shoulder and upper arm of the occupant when the side chamber 70 is deployed. there is.
  • the main chamber 50 and the pair of side chambers 70 may expand and develop concavely to have an approximately semicircular or arc shape when viewed from the top, so as to entirely surround the rear and both sides of the occupant's upper body.
  • a plurality of tethers may be installed between the inner panel 41 and the outer panel 42 to define the deployment shape of each chamber 50 to 70 provided in the airbag cushion 40.
  • each side chamber 70 is rotated toward the occupant about the portion connected to the main chamber 50 and is expanded and deployed.
  • One or more tether members defining the deployed shape of (70) may be installed.
  • Both ends of the tether member may be connected to the outer ends of the main chamber 50 and each side chamber 70.
  • the present invention is not necessarily limited to this, and the number of tether members, the location where the tether members are installed, the length and width of the tether members, etc. can be changed in various ways.
  • the present invention provides different horizontal and vertical lengths of the inner and outer panels, and in addition to applying a tether, sewing lines of various patterns are formed on the edges and inside of each chamber to limit the development shape of each chamber. It could be.
  • the present invention can safely protect the occupants by compensating to reduce the space between the occupants and the front airbag device in the event of a car collision.
  • the present invention can safely protect the occupants by effectively cushioning the impact applied to the occupants when the occupants, who are rebound by the front airbag inflated and deployed in front of the occupants, collide with the seat.
  • the present invention can safely protect the occupant by restraining the upper and both sides of the occupant's head using an upper chamber that expands on the occupant's head.
  • Figure 6 is an operating state diagram showing the operating state of an automobile airbag device according to a preferred embodiment of the present invention.
  • the airbag cushion 40 is manufactured into a bag shape by sewing the edges with the inner panel 41 and the outer panel 42 arranged to overlap each other based on the deployed state shown in FIG. 2.
  • the manufactured airbag cushion 40 is folded in various rolling or folding ways and accommodated inside the housing 20, and is built into the backrest 11 of the seat, for example, on the front upper side of the backrest 11, in order to minimize the volume. It can be.
  • the airbag cushion 40 receives gas from the inflator 30 and expands and expands outside the cover of the backrest 11.
  • the main chamber 50 is expanded and deployed on the front side of the backrest 11, and the upper chamber 60 and the pair of side chambers 70 each receive gas through the main chamber 50 to form the main chamber 50. ) expands and expands on the top and both sides of the
  • the upper chamber 60 and the pair of side chambers 70 each rotate around the main chamber 50 downward and inward toward the occupant to completely surround and restrain the occupant.
  • the rear chamber 61 of the upper chamber 60 is expanded and deployed between the occupant's head and the headrest 12 to cushion the impact applied to the occupant's head due to a collision with the headrest 12. do.
  • the upper chamber 62 and the pair of side chambers 63 of the upper chamber 60 expand and unfold forward along the upper surface and both sides of the occupant's head, respectively. Therefore, the upper chamber 60 restrains not only the rear of the occupant's head, but also the upper surface and both sides, thereby preventing the occupant's head from moving left and right and effectively protecting it from impacts applied from the outside.
  • the pair of side chambers 70 can surround and restrain both sides of the occupant's upper body.
  • each chamber 50 to 70 provided in the airbag cushion 40 expands and deploys to completely surround and restrain the upper body and head of the occupant, thereby preventing lateral movement of the occupant and safely protecting the occupant.
  • the occupants move to the front of the car. Therefore, the occupant can be primarily protected by the front airbag 80 inflated and deployed at the front, and then rebound rearward by the pressure of the front airbag 80.
  • the airbag cushion 40 expands and deploys between the occupant and the backrest 11 and the headrest 12, it compensates to reduce the space between the occupant and the backrest 11 and the headrest 12, thereby preventing the rebound. The impact on the occupants can be minimized.
  • the impact inflicted by the passenger hitting the backrest can be minimized by compensating for the space between the passenger and the backrest using an airbag cushion.
  • the present invention can safely protect the occupants by compensating to reduce the space between the occupants and the front airbag device in the event of a car collision.
  • the present invention can safely protect the occupants by effectively cushioning the impact applied to the occupants when the occupants, who are rebound by the front airbag inflated and deployed in front of the occupants, collide with the seat.
  • the present invention can safely protect the occupant by restraining the upper and both sides of the occupant's head using an upper chamber that expands on the occupant's head.
  • the present invention is applied to automobile airbag device technology that safely protects occupants by compensating to reduce the space between the occupants and the front airbag device in the event of a collision.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air Bags (AREA)

Abstract

L'invention concerne un dispositif d'airbag pour un véhicule, comprenant : un logement disposé dans le dossier d'un siège ; un gonfleur qui génère un gaz par allumage en réponse à un signal de détection d'un capteur de détection de collision lorsqu'une collision de véhicule se produit ; et un coussin d'airbag qui est logé dans le logement dans un état enroulé ou plié, et qui reçoit le gaz généré par le gonfleur lorsqu'une collision de véhicule se produit, de façon à être gonflé et déployé de telle sorte que le corps supérieur et la tête d'un passager sont recouverts, le coussin d'airbag étant gonflé vers le côté arrière du passager à partir du dossier, puis gonflé et déployé vers l'avant le long des deux surfaces latérales, de telle sorte qu'une distance entre le passager et le dossier est compensée lorsqu'une collision de véhicule se produit, et une blessure du passager, qui rebondit en raison d'un airbag avant, à la suite d'une collision avec le dossier peut être évitée.
PCT/KR2023/008377 2022-09-02 2023-06-16 Dispositif d'airbag pour un véhicule WO2024048930A1 (fr)

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KR1020220111337A KR20240032403A (ko) 2022-09-02 2022-09-02 자동차의 에어백 장치
KR10-2022-0111337 2022-09-02

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