GB2515894A - Airbag system for a vehicle - Google Patents
Airbag system for a vehicle Download PDFInfo
- Publication number
- GB2515894A GB2515894A GB1408792.8A GB201408792A GB2515894A GB 2515894 A GB2515894 A GB 2515894A GB 201408792 A GB201408792 A GB 201408792A GB 2515894 A GB2515894 A GB 2515894A
- Authority
- GB
- United Kingdom
- Prior art keywords
- airbag
- vehicle
- cross member
- collision
- airbag system
- 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- Withdrawn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
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R19/20—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable
- B60R19/205—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact containing mainly gas or liquid, e.g. inflatable inflatable in the direction of an obstacle upon impending impact, e.g. using air bags
-
- 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
- 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
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01211—Expansion of air bags
- B60R2021/01231—Expansion of air bags control of expansion timing or sequence
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
The invention relates to an airbag system 24 for a vehicle 10, the airbag system comprising: at least one side door 58, 60, 62, 64 for the vehicle, the side door being pivotably mounted on a body of the vehicle; and at least one airbag 34, 36, 38, 40 capable of being deployed from a stowage position into at least one protective position, the airbag covering at least a portion of an external surface of the side door in the protective position. There is also disclosed a system comprising a front bumper or cross member 14 and/or a rear bumper or cross member 18, where each is respectively arranged in front of or behind a structural member 20, 22. At least one airbag 26, 28, 30, 32 is arranged between the cross member and structural member, so that when the airbag is deployed into a protective position the cross member is supported on the airbag. The systems are intended to reduce the risk of intrusion into the passenger space of the vehicle in the event of a side, front and/or rear collision.
Description
Airbag System for a Vehicle The invention relates to airbag systems for vehicles, in particular passenger vehicles.
Wa 2006/083086 Al shows a bumper having an airbag incorporated in the bumper which is located in the front portion of a corresponding vehicle. The bumper comprises a pair of displacement sensors which measure a distance from another vehicle running in front of the corresponding vehicle or a collision obstacle. The bumper further comprises a controller which judges that a current situation may be a collision situation with the other vehicle or the collision obstacle and outputs a drive signal for operation of the airbag, when the relative speed of the corresponding vehicle is not less than a predetermined speed at a state where the corresponding vehicle approaches within a predetermined distance from the other vehicle or the collision obstacle during running. The bumper further comprises an airbag system for initiating operation of the airbag under the control of the controller, to thereby mitigate impact applied to the vehicle to collide with the other vehicle or the collision obstacle.
It is an object to provide airbag systems for vehicles, by means of which airbag systems intrusions into the interior of the vehicle can be kept particularly low.
This object is solved by an airbag system having the features of patent claim 1 as well as an airbag system having the features of patent claim 2. Advantageous embodiments with expedient and non-trivial developments of the invention are indicated in the other patent claims.
A first aspect of the present invention relates to an airbag system for a vehicle, the airbag system comprising at least one side door for the vehicle. The side door is configured to be pivotably mounted on a body of the vehicle. For example, the side door being pivotably mounted on the body can be pivoted between a closed position and at least one open position. In the closed position, at least a portion of a door opening of the body is covered by the side door. In the open position, a portion of the door opening is uncovered.
The airbag system according to the first aspect of the invention further comprises at least one airbag which is capable of being deployed from a stowage position into at least one protective position. In the protective position, the airbag covers at least a portion of an external surface of the side door. In other words, at least a portion of the side door or at least a portion of an external surface of an outer shell of the side door is covered in the transverse direction of the vehicle towards the outside by the airbag being in the protective position. Thereby, intrusions of objects into the interior of the vehicle can be kept particularly low by means of the airbag since the airbag is configured as an external airbag which helps minimize the impact intensity in the event of a side impact. The airbag according to the first aspect of the invention can be used along with at least one other passive safety system which can comprise, for example, at least one anti-intrusion bar of the side door, the anti-intrusion bar being configured to absorb impact energy by deform in g.
A second aspect of the present invention relates to an airbag system for a vehicle, the airbag system according to the second aspect of the invention comprising a foremost cross member and/or a rearmost cross member for the vehicle. The respective cross member extends in the transverse direction of the vehicle and is configured to take loads in the event of a frontal collision or a rear collision. The airbag system according to the second aspect of the invention further comprises at least one structural member. For example, the respective cross member is a first structural member, wherein the airbag system according to the second aspect of the invention comprises at least one second structural member. The second structural member is arranged behind the foremost cross member or in front of the rearmost cross member in the longitudinal direction of the vehicle respectively.
The airbag system according to the second aspect of the invention further comprises at least one airbag capable of being deployed from a stowage position into at least one protective position, the airbag system being arranged between the structural member and the cross member with respect to the longitudinal direction of the vehicle at least in the protective position. In other words, at least in the protective position, the airbag according to the second aspect of the invention is arranged at least partially between the first structural member (cross member) and the second structural member of the vehicle.
Thereby, the respective cross member is supportable on the second structural member via the airbag being in the protective position in the event of a frontal collision or a rear collision. Advantageous embodiments of the first aspect of the invention are to be regarded as advantageous embodiment of the second aspect of the present invention and vice versa.
Thus, intrusions of objects such as, for example, power train parts into the interior or the passenger compartment of the vehicle can be kept particularly low. By means of the airbag according to the first aspect of the invention and/or the second aspect of the present invention, the transmission of impact energy inside the body of the vehicle can be kept particularly low. In other words, the airbag according to the first aspect and the airbag according to the second aspect can absorb impact energy thereby minimizing the impact intensity. The airbags are configured as external airbags which can function as a first level barrier for absorbing impact energy.
Further advantages, features, and details of the invention derive from the following description of a preferred embodiment as well as from the drawings. The features and feature combinations previously mentioned in the description as well as the features and feature combinations mentioned in the following description of the figures and/or shown in the figures alone can be employed not only in the respective indicated combination but also in any other combination or taken alone without leaving the scope of the invention.
The drawings show in: Fig. 1 a schematic top view of a vehicle in the form of a passenger vehicle having an airbag system which comprises a plurality of external airbags being deployable from a respective stowage position into at least one respective protective position Fig. 2 a schematic top view of one of said airbags; and Fig. 3 a flow chart illustrating the working principle of the airbag system.
In the figures the same elements or elements having the same function are indicated with the same reference sign.
Fig. 1 shows a vehicle 10 in the form of a passenger vehicle. The vehicle 10 comprises a front bumper 12 comprising a foremost cross member 14. The vehicle 10 further comprises a rear bumper 16 comprising a rearmost cross member 18. The cross members 14 and 18 are first structural members of the vehicle 10, wherein the cross member 14 is configured to take and distribute loads in the event of a frontal collision of the vehicle 10. The cross member 18 is configured to take and distribute loads in the event of the rear collision of the vehicle 10.
The vehicle 10 further comprises second structural members 20 and 22. As can be seen from Fig. 1, the structural member 20 is arranged behind the foremost cross member 14 with respect to the longitudinal direction of the vehicle. The structural member 22 is arranged in front of the rearmost cross member 18 with respect the longitudinal direction of the vehicle. In other words, the cross member 14 has an offset with respect to the structural member 20 which is, for example, an anti-intrusion bar. The cross member 18 has an offset with respect to the structural member 22 which is, for example, an anti-intrusion bar. The respective anti-intrusion bar is configured to absorb impact energy by deform in g.
The cross members 14 and 18 and the structural members 20 and 22 are components of an airbag system 24 of the vehicle 10, the airbag system 24 comprising a plurality of airbags 26, 28, 30, 32, 34, 36, 38, 40, 42 and 44. Each airbag 26, 28, 30, 32, 34, 36, 38, 40, 42 and 44 is capable of being deployed from a respective stowage position into at least one respective protective position. For this purpose, the vehicle 10 comprises an electronic control unit 46 which is also referred to as an "ECU". The ECU is electrically connected to the airbags 26, 28, 30, 32, 34, 36, 38, 40, 42 and 44 or to at least one respective fuse configured to deploy the respective airbag 26, 28, 30, 32, 34, 36, 38, 40, 42 and 44. For example, the airbags 26 and 28 are mounted on the structural member 20 (front anti-intrusion bar). Moreover, the airbags 30 and 32 can be mounted on the structural member 22 (rear anti-intrusion bar). Moreover, the airbag system 24 comprises radar sensors 48, 50, 52, and 54.
For example, the radar sensor 48 is mounted on a radiator grille of the vehicle 10. The radar sensors 48, 50, 52 and 54 are configured to measure the velocity of another vehicle or a collision obstacle 56 coming towards the vehicle 10, for example, in the opposite direction. In other words, the radar sensors 48, 50, 52 and 54 are configured to measure a relative speed between the vehicle 10 and a collision obstacle 56. Signals characterizing the relative speed are transmitted from the respective radar sensor 48, 50, 52 and 54 to the ECU. Thus, the ECU can determine in dependency on the received signals whether or not the vehicle 10 is likely to collide with the collision obstacle 56.
For example, a logic gate which is also referred to as an "OR gate" of the ECU can determine in dependency on the received signals whether or not the vehicle 10 is likely to collide with the collision obstacle 56. When the ECU determines that the vehicle 10 is likely to collide with the collision obstacle 56, at least one of the airbags 26, 28, 30, 32, 34, 36, 38, 40, 42 and 44 is deployed from the stowage position into the respective position by the ECU so that impact energy can be absorbed by the airbag system 24.
As can be seen from Fig. 1, the airbags 26 and 28 are arranged at least partially between the cross member 14 and the structural member 20 in the respective protective position with respect to the longitudinal direction of the vehicle. Moreover, the airbags 30 and 32 are arranged at least partially between the cross member 18 and the structural member 22 in the respective protective position with respect to the longitudinal direction of the vehicle. Thereby, the respective cross member 14 and 18 is supportable on the respective structural member 20 and 22 via the airbag 26 and 28 being in the respective protective position in the event of a frontal collision or a rear collision.
For example, the airbag 26 is a first primary airbag, the airbag 28 is a first secondary airbag, the airbag 30 is a second primary airbag and the airbag 32 is a second secondary airbag. The airbag system 24 can be configured to deploy the airbags 26 and 28 time-delayed. Alternatively or additionally, the airbag system 24 can be configured to deploy the airbags 30 and 32 time-delayed.
For example, if the ECU determines that the vehicle 10 is likely to collide with the collision obstacle 56, at first, the first primary airbag is fired to inflate, thereby reducing the intensity of the collision. For example, the airbag system 24 has at least one pressure sensor which can be arranged in the internal periphery of the airbag 26. Additionally or alternatively, the airbag system 24 can have a pressure sensor which can be arranged in the internal periphery of the airbag 30. During the collision between the vehicle 10 and the collision obstacle 56, the intensity of the collision can be determined by means of the pressure sensor. Due to the collision, the primary airbag will deflate. In dependency on a signal characterizing the intensity of the collision, the respective secondary airbag can be deployed while the primary airbag deflates, wherein, for example, the signal characterizing the intensity of the collision is provided by the pressure sensor. By deploying the airbags 26 and 26 and/or 30 and 32, the collision force exerted on the vehicle 10 can be reduced. Thereby, intrusions into the interior or passenger compartment of the vehicle 10 can be kept particularly low. The principle of operation of the airbags 30 and 32 is similar to the airbags 26 and 28 at the front.
As can be seen from Fig. 1, the airbag system 24 further comprises side doors 58, 60, 62 and 64 of the vehicle 10. At least a portion of an external surface of an outer shell of the respective side door 62, 64, 58 and 60 is covered by the respective external airbag 34, 36, 38 and 40 in the respective protective position of the airbag 34, 36, 36 and 40. For example, the external side airbags 34, 36, 38 and 40 are arranged beneath a respective sill of the body of the vehicle 10. For example, the radar sensors 50 and 52 are configured to detect a proximity of a collision obstacle likely to collide with the vehicle 10.
Based on such signals provided by the radar sensors 50 and 52, the ECU can determine whether or not a side impact is likely to happen. If the ECU determines that a side impact will happen, at least one of the airbags 34, 36, 38 and 40 is deployed from its respective stowage position into its respective protective position. The respective external side airbag 34, 36, 38 and 40 can act as a primary barrier which can reduce impact forces acting upon the body of the vehicle 10. The portion that can be protected by the respective airbag 34, 36, 38 and 40 is very large so that intrusions into the passenger compartment in the event of a side impact can be particularly low.
Fig. 2 shows, for example, the airbag 26. For example, the external airbag 26 comprises a dual layer construction which can be inflated by a fuse 66 based on a trigger signal from the ECU. The aforementioned pressure sensor is designated with 68, the pressure sensor 68 being configured to detect the pressure inside the airbag 26 and, thus, a deflation of the airbag 26. Thereby, the intensity of the collision can be determined or predicted.
Fig. 3 shows a flow chart illustrating the working principle of the airbag system 24 on the example of the airbags 26 and 28. The electronic control unit 46 receives at least one signal from, for example, the radar sensor 48, the signal characterizing the relative speed between the vehicle 10 and another collision object. Based on said signal, the electronic control unit 46 can determine whether or not a collision between the vehicle 10 and the collision obstacle will happen. If the ECU determines that such a collision will not happen, the airbags 26 and 28 will not be deployed. However, if the ECU determines that such a collision will happen, for example, the airbag 26 will be deployed by the ECU.
As can be seen from Fig. 1, the airbag system 24 comprises collision sensors 70 and 72, the collision sensor 70 being mounted on the cross member 14 and the collision sensor 72 being mounted on the cross member 18. The ECU and the radar sensors 48, 50, 52 and 54 are used to predict a potential collision between the vehicle 10 and another collision obstacle. However, the collision sensors 70 and 72 are used to detect an actual collision between the vehicle 10 and another collision obstacle. For example, if such an actual collision is detected by the collision sensor 70, at least one of the airbags 42 and 44 is deployed by the ECU.
List of reference signs vehicle 12 front bumper 14 cross member 16 rear bumper 18 cross member structural member 22 structural member 24 airbag system 26 airbag 28 airbag airbag 32 airbag 34 airbag 36 airbag 38 airbag airbag 42 airbag 44 airbag 46 electronic control unit 48 radar sensorr radar sensor 52 radar sensor 54 radar sensor 56 collision obstacle 58 side door side door 62 side door 64 side door 66 fuse 68 pressure sensor collision sensor 72 collision sensor
Claims (4)
- Claims An airbag system (24) for a vehicle (10), the airbag system (24) comprising: -at least one side door (58, 60, 62, 64) for the vehicle (10), the side door (58, 60, 62, 64) being configured to be pivotably mounted on a body of the vehicle (10); and -at least one airbag (26) capable of being deployed from a stowage position into at least one protective position, the airbag (26) covering at least a portion of an external surface of the side door (58, 60, 62, 64) in the protective position.
- 2. An airbag system (24) for a vehicle, the airbag system (24) comprising: -a foremost cross member (14) and/or a rearmost cross member (18) for the vehicle (10); -at least one structural member (20, 22) arranged behind the foremost cross member (14) or in front the rearmost cross member (18) in the longitudinal direction of the vehicle; -at least one airbag (38) capable of being deployed from a stowage position into at least one protective position, the airbag (38) being arranged between the structural member (20, 22) and the cross member (14) with respect to the longitudinal direction of the vehicle at least in the protective position so that the cross member (14, 18) is supportable on the structural member (20, 22) via the airbag (14, 18) being in the protective position in the event of an frontal collision or a rear collision.
- 3. The airbag system (24) according to claim 2.characterised in that the airbag system (24) comprises at least one second airbag (28) capable of being deployed from a second stowage position into at least one second protective position, the second airbag (28) being arranged between the structural member (20, 22) and the cross member (14 18) with respect to the longitudinal direction of the vehicle at least in the second protective position.
- 4. The airbag system according to claim 3, characterised in that the airbag system (24) is configured to deploy the airbags (26, 28) from the respective stowage position into the respective protective position time-delayed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1408792.8A GB2515894A (en) | 2014-05-19 | 2014-05-19 | Airbag system for a vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1408792.8A GB2515894A (en) | 2014-05-19 | 2014-05-19 | Airbag system for a vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB201408792D0 GB201408792D0 (en) | 2014-07-02 |
| GB2515894A true GB2515894A (en) | 2015-01-07 |
Family
ID=51135027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1408792.8A Withdrawn GB2515894A (en) | 2014-05-19 | 2014-05-19 | Airbag system for a vehicle |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2515894A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR20190100172A (en) * | 2019-04-16 | 2020-11-16 | Αθανασιος Εμμανουηλ Φρουδαρακης | Method sor snow removal, stabilisation, immobilisation and floating of trucks in polar driving conditions |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998050254A1 (en) * | 1997-05-02 | 1998-11-12 | Gabbard Charles H | Collison protection system for vehicles |
| DE19818586C1 (en) * | 1998-04-25 | 1999-09-30 | Daimler Chrysler Ag | Passenger protection device for automobile fitted with airbags |
| DE10346949A1 (en) * | 2003-10-09 | 2005-09-29 | Boguslaw Szota | Crash safety system for car, has air cylinders absorbing whole crash-force and evenly distributing force onto entire side of car body during car crash, so that body is not deformed during crash |
| US20060043712A1 (en) * | 2004-08-24 | 2006-03-02 | Sam Hakki | Collision air bag and flotation system |
| EP1980449A1 (en) * | 2001-12-06 | 2008-10-15 | Automotive Systems Laboratory Inc. | External air bag occupant protection system |
| WO2010000273A1 (en) * | 2008-06-30 | 2010-01-07 | Hadj Souissi | Active and passive outer airbags |
| US20100140903A1 (en) * | 2008-12-04 | 2010-06-10 | Hyundai Motor Company | External Airbag System for Vehicles |
| US20130147174A1 (en) * | 2011-12-09 | 2013-06-13 | Kia Motors Corp. | Mounting apparatus for an external airbag of a vehicle |
-
2014
- 2014-05-19 GB GB1408792.8A patent/GB2515894A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998050254A1 (en) * | 1997-05-02 | 1998-11-12 | Gabbard Charles H | Collison protection system for vehicles |
| DE19818586C1 (en) * | 1998-04-25 | 1999-09-30 | Daimler Chrysler Ag | Passenger protection device for automobile fitted with airbags |
| EP1980449A1 (en) * | 2001-12-06 | 2008-10-15 | Automotive Systems Laboratory Inc. | External air bag occupant protection system |
| DE10346949A1 (en) * | 2003-10-09 | 2005-09-29 | Boguslaw Szota | Crash safety system for car, has air cylinders absorbing whole crash-force and evenly distributing force onto entire side of car body during car crash, so that body is not deformed during crash |
| US20060043712A1 (en) * | 2004-08-24 | 2006-03-02 | Sam Hakki | Collision air bag and flotation system |
| WO2010000273A1 (en) * | 2008-06-30 | 2010-01-07 | Hadj Souissi | Active and passive outer airbags |
| US20100140903A1 (en) * | 2008-12-04 | 2010-06-10 | Hyundai Motor Company | External Airbag System for Vehicles |
| US20130147174A1 (en) * | 2011-12-09 | 2013-06-13 | Kia Motors Corp. | Mounting apparatus for an external airbag of a vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR20190100172A (en) * | 2019-04-16 | 2020-11-16 | Αθανασιος Εμμανουηλ Φρουδαρακης | Method sor snow removal, stabilisation, immobilisation and floating of trucks in polar driving conditions |
Also Published As
| Publication number | Publication date |
|---|---|
| GB201408792D0 (en) | 2014-07-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |