WO2004067337A1 - Airbag - Google Patents
Airbag Download PDFInfo
- Publication number
- WO2004067337A1 WO2004067337A1 PCT/SE2003/001729 SE0301729W WO2004067337A1 WO 2004067337 A1 WO2004067337 A1 WO 2004067337A1 SE 0301729 W SE0301729 W SE 0301729W WO 2004067337 A1 WO2004067337 A1 WO 2004067337A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- air
- bag
- gas
- support
- deflector
- Prior art date
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
- B60R21/02—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
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/261—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow with means other than bag structure to diffuse or guide inflation fluid
-
- 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
- B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
- B60R21/2171—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together specially adapted for elongated cylindrical or bottle-like inflators with a symmetry axis perpendicular to the main direction of bag deployment, e.g. extruded reaction canisters
-
- 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
- B60R21/232—Curtain-type airbags deploying mainly in a vertical direction from their top edge
-
- 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
- B60R2021/23316—Inner seams, e.g. creating separate compartments or used as tethering 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
Definitions
- THE PRESENT INVENTION relates to an air-bag, and more particularly relates to an air-bag, to be mounted in a vehicle, which is to be provided with a gas generator unit mounted to supply gas to a gas inlet provided in a central region of one edge of the air-bag.
- Air-bags of many different designs have been proposed before for use in motor vehicles, to be inflated in the event that an accident should occur to provide protection for an occupant of the vehicle.
- the present invention relates to one particular type of air-bag, which is an air-bag having an edge portion with a gas inlet provided in a central region of the edge portion.
- An air-bag of this type is a so-called inflatable curtain.
- An inflatable curtain is, conventionally, initially stored within a recess or housing which extends above the side doors of the motor vehicle.
- the inflatable curtain is inflated to extend downwardly from the roof to be located between an occupant of the vehicle and the adjacent doors.
- the air-bag thus forms a curtain which covers the windows provided in the doors, minimising the risk of injury occurring to an occupant of the vehicle.
- an inflatable curtain has the upper edge of the inflatable curtain secured to a recess or housing provided in the roof of the vehicle which initially accommodates the air-bag in an folded state.
- Some types of inflatable curtain are provided with gas generators located either at the forward end, or at the rearward end of the curtain, ejecting gas into a gas flow duct which extends the whole length of the curtain and provides gas to various inflatable regions of the inflatable curtain.
- an air-bag having a tubular gas inlet in a central part of the upper edge of the air-bag, the air-bag being provided with a gas generator and internal gas deflector, the internal gas deflector being located within the gas inlet of the air-bag, the gas generator being supported on a support element, the support element being provided with a mounting arrangement to mount the support element to a motor vehicle and spaced-apart support components engaging the gas generator, one support component encircling the neck of the air-bag and trapping the neck of the air-bag against the exterior of part of the internal gas deflector, the internal gas deflector being positioned to receive gas from the gas generator, part of the said one support forming a protector located on the exterior of the air-bag adjacent the internal gas deflector.
- the internal gas deflector is formed of a deformable material.
- the internal gas deflector is formed of a plastics material.
- the gas generator has a terminal portion which extends into the internal gas deflector, the terminal portion being provided with a plurality of gas outlet apertures.
- the mounting arrangement is a mounting plate provided with mounting elements, the mounting plate carrying a cantilevered support arm, the support arm carrying the said support components to support the gas generator.
- each support component is in the form of a ring having a tab provided at one end thereof to be secured to a support plate by means of a bolt.
- the protector is in the form of an inverted "U"-sectioned extension formed integrally with one said ring.
- the internal gas deflector is in the form of an inverted channel having, at one end, depending side-walls and having, at the other end, the side- walls deflected inwardly to form a ring.
- FIGURE 1 is a perspective exploded view illustrating a gas generator support and a gas deflector
- FIGURE 2 is a diagrammatic view of an air-bag illustrating the gas deflector of Figure 1 in position
- FIGURE 3 is a sectional view of a fully assembled air-bag
- FIGURE 4 is an alternate sectional view of the fully assembled air-bag.
- FIGURE 5 is a perspective view of an alternative gas generator support and a deflector, illustrating the gas generator in position.
- a gas generator support 1 is configured to receive an elongate cylindrical gas generator which has a plurality of gas outlet apertures provided in a terminal region thereof.
- the gas generator support comprises a substantially planar mounting plate 2 of "L"-shape, the plate 2 being provided with two mounting apertures 3, 4 to receive mounting bolts or the like.
- One end of the elongate arm of the "L” is deflected to form a mounting tongue 5.
- the mounting apertures and mounting tongue form mounting components, the components being spaced-apart so that the mounting plate 2 may be firmly mounted in position.
- the mounting plate 2 carries a cantilevered arm 6 which extends from one side edge of the long arm "L".
- the cantilevered arm 6 carries " a support plate 7.
- the support plate 7 is substantially parallel to, but spaced from the plane of the mounting plate 2.
- One end of the support plate carries a first mounting ring 8 formed integrally with the support plate 7, the ring 8 having a terminal lug 9 provided with an aperture 10 which, when the ring is in position, is co-aligned with a corresponding aperture in the support plate 7 to receive a nut and bolt to enable the ring 8 to be tightened in position.
- the other end of the support plate 7 carries an integral mounting ring 11 and protector 12.
- the rings 8 and 11 are spaced-apart.
- the mounting ring 11 is again formed integrally with the support plate 7 and is provided with a terminal lug 13 having an aperture 14 which is to be co-aligned with a corresponding aperture formed in the support plate 7 to receive a nut to enable the mounting ring 11 to be tightened in position.
- the mounting rings may engage spaced- apart regions of a cylindrical gas generator to hold the gas generator firmly in position.
- the mounting ring 11 carries an integral protector 12 in the form of an inverted "U"-shaped projection which extends from the upper part of the mounting ring 11, in a direction away from the first mounting ring 8.
- the gas deflector 15 comprises an inverted channel having, at one end, two spaced-apart depending side- walls 16, 17, part of the channel between the depending side-walls being closed by an upper transverse end wall 18.
- the channel is of inverted "U"-shaped configuration.
- At the other end of the channel a region is provided where the side- walls are curved inwardly 19, 20 to form a ring.
- the upper-most part of the channel extends beyond the ring 19 to form a lug 21.
- the gas deflector 15 should be inserted within a "neck" provided on an air-bag, and the combination of the inner deflector and the neck of the air-bag will be clamped by the mounting ring 11 to a terminal part of a gas generator so that a gas outlet region of the gas generator extends into the interior of the gas deflector 15, and the fabric of the neck of the air-bag is trapped sealingly between the ring 19, 20 of the deflector 15 and the mounting ring 11.
- the lug 21 is positioned to be engaged by the mounting ring 11 to prevent the inner gas deflector 15 from moving axially.
- Figure 2 illustrates an air-bag 30 formed of two inter-connected layers of fabric having a substantially straight upper, edge 31, that upper edge being provided with a plurality of mounting lugs 32 by means of which the air-bag may be mounted in position in a motor vehicle.
- a central part of the upper edge 30 is provided with a protruding "L"-shaped tubular neck 33 which is the gas inlet for the air-bag.
- a gas deflector 15 of the type disclosed above is illustrated in position within the neck 33.
- the ring 19, 20 is at the open end of the neck.
- the depending side-walls 16, 17 are in a region of the neck which communicates with the interior of the air-bag.
- the side-walls 16, 17 engage with the layers of fabric to hold the layers apart to facilitate the flow of gas into the air-bag and to protect the fabric from the gas flow which may be very aggressive.
- the neck 33 communicates with two inflatable regions 34, 35 defined within the air-bag, each of these regions being divided into a plurality of separate inflatable cells by means of seams 36 which secure together the two layers of fabric which respectively form the front and rear of the illustrated air- bag.
- a first mounting strap 37 extends from one end of the air-bag, and may be connected to a mounting point provided, for example, on the "C"-Post of a motor vehicle.
- a further mounting strap 38 extends from the other end of the air-bag and may extend to, for example, a mounting point provided on the "A"- Post of the motor vehicle.
- the air-bag shown in Figure 2 is provided merely by way of example of one type of air-bag which may be utilised in conjunction with the gas generator support and gas deflector shown in Figure 1.
- the inner deflector 15 may be formed of metal, or may be formed of a plastics material. It is preferable that the inner deflector may deform slightly under any forces applied thereto by gas emerging through the gas outlet apertures 41 provided on the gas generator 40. In this way the gas will not apply excessive force to the gas generator support 1.
- the protector 12 prevents the inner deflector 15 from deforming excessively and also protects the fabric of the air-bag in the region of the neck 33.
- Figure 5 illustrates an alternative embodiment of the invention in which the "L"-shaped support plate 2 is provided with a single aperture 3 to receive a bolt and two. deflected tabs 50, 51 adapted to be accommodated within corresponding apertures formed in the motor vehicle to facilitate the mounting of the arrangement in position.
- the support plate 7 is shown supporting a cylindrical gas generator 53 which is held in place by the support rings 8 and 11.
- the inner gas deflector 15 is illustrated, but the air-bag itself is omitted for the sake of clarity of illustration.
- “comprises” means “includes or consists of and “comprising” means "including or consisting of.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Air Bags (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2003279650A AU2003279650A1 (en) | 2003-01-31 | 2003-11-10 | An air-bag |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0302304.1 | 2003-01-31 | ||
GB0302304A GB2397806B (en) | 2003-01-31 | 2003-01-31 | Improvements in or relating to an air-bag |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004067337A1 true WO2004067337A1 (fr) | 2004-08-12 |
Family
ID=9952236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/SE2003/001729 WO2004067337A1 (fr) | 2003-01-31 | 2003-11-10 | Airbag |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU2003279650A1 (fr) |
GB (1) | GB2397806B (fr) |
WO (1) | WO2004067337A1 (fr) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005110820A1 (fr) * | 2004-05-07 | 2005-11-24 | Autoliv Development Ab | Unite de sac gonflable |
DE102006041703A1 (de) * | 2006-09-06 | 2008-03-27 | Autoliv Development Ab | Schelle und Gassack-Einheit |
DE102006055723A1 (de) * | 2006-11-25 | 2008-05-29 | Autoliv Development Ab | Airbaganordnung mit einem innenseitig des Gassackes befestigten Gasgenerator |
DE102007047480A1 (de) | 2007-10-04 | 2009-04-09 | Autoliv Development Ab | Befestigungselement und Gassack-Einheit |
DE102008063789A1 (de) | 2008-12-18 | 2010-07-15 | Takata-Petri Ag | Gasstromverteiler für ein Gassackmodul eines Fahrzeuginsassen-Rückhaltesystem |
CN102398561A (zh) * | 2010-09-13 | 2012-04-04 | 奥托立夫开发公司 | 汽车安全气帘支架 |
DE102005042026B4 (de) * | 2005-09-02 | 2012-10-04 | Autoliv Development Ab | Vorhanggassack-Einheit |
US8678440B1 (en) | 2012-12-20 | 2014-03-25 | Autoliv Asp, Inc. | Retractor-lap pretensioner with single micro-gas generator |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7789418B2 (en) * | 2005-05-10 | 2010-09-07 | Key Safety Systems, Inc. | Curtain air bag assembly |
US7677595B2 (en) | 2008-01-18 | 2010-03-16 | Autoliv Asp, Inc. | Curtain airbag mounting device |
WO2015016324A1 (fr) * | 2013-08-02 | 2015-02-05 | オートリブ ディベロップメント エービー | Déflecteur et dispositif de coussin de sécurité gonflable |
US9573550B1 (en) * | 2015-08-17 | 2017-02-21 | Autoliv Asp, Inc. | Side curtain airbag compression inflator bracket |
DE102016115768A1 (de) | 2016-08-25 | 2018-03-01 | Trw Automotive Gmbh | Halteadapter für einen länglichen Gasgenerator sowie Baugruppe aus einem Halteadapter und einem Gasgenerator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0855316A1 (fr) * | 1997-01-24 | 1998-07-29 | Toyoda Gosei Co., Ltd. | Dispositif de coussin gonflable latéral |
US6224089B1 (en) * | 1998-09-14 | 2001-05-01 | Takata Corporation | Connecting structure between an airbag and an inflator |
US20020105174A1 (en) * | 2001-02-05 | 2002-08-08 | Toshinori Tanase | Head protecting air bag device |
WO2002079008A1 (fr) * | 2001-04-02 | 2002-10-10 | Trw Occupant Restraint Systems Gmbh & Co. Kg | Module de sac gonflable pour systeme de retenue d'occupants de vehicule |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6293581B1 (en) * | 1999-04-15 | 2001-09-25 | Honda Giken Kogyo Kabushiki Kaisha | Occupant restraint device |
US6450529B1 (en) * | 2000-06-23 | 2002-09-17 | Breed Automotive Technologies, Inc. | Inflatable side air bag curtain module with chamber separators |
US20020101066A1 (en) * | 2001-01-31 | 2002-08-01 | Toshinori Tanase | Head protection air bag system |
-
2003
- 2003-01-31 GB GB0302304A patent/GB2397806B/en not_active Expired - Fee Related
- 2003-11-10 AU AU2003279650A patent/AU2003279650A1/en not_active Abandoned
- 2003-11-10 WO PCT/SE2003/001729 patent/WO2004067337A1/fr not_active Application Discontinuation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0855316A1 (fr) * | 1997-01-24 | 1998-07-29 | Toyoda Gosei Co., Ltd. | Dispositif de coussin gonflable latéral |
US6224089B1 (en) * | 1998-09-14 | 2001-05-01 | Takata Corporation | Connecting structure between an airbag and an inflator |
US20020105174A1 (en) * | 2001-02-05 | 2002-08-08 | Toshinori Tanase | Head protecting air bag device |
WO2002079008A1 (fr) * | 2001-04-02 | 2002-10-10 | Trw Occupant Restraint Systems Gmbh & Co. Kg | Module de sac gonflable pour systeme de retenue d'occupants de vehicule |
Cited By (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7600778B2 (en) | 2004-05-07 | 2009-10-13 | Autoliv Development Ab | Airbag module |
WO2005110820A1 (fr) * | 2004-05-07 | 2005-11-24 | Autoliv Development Ab | Unite de sac gonflable |
DE102005042026B4 (de) * | 2005-09-02 | 2012-10-04 | Autoliv Development Ab | Vorhanggassack-Einheit |
DE102006041703A8 (de) * | 2006-09-06 | 2008-12-24 | Autoliv Development Ab | Schelle und Gassack-Einheit |
DE102006041703A1 (de) * | 2006-09-06 | 2008-03-27 | Autoliv Development Ab | Schelle und Gassack-Einheit |
DE102006041703B4 (de) * | 2006-09-06 | 2013-01-03 | Autoliv Development Ab | Gassack-Einheit |
WO2008061679A1 (fr) | 2006-11-25 | 2008-05-29 | Autoliv Development Ab | Ensemble d'airbag avec un générateur de gaz fixé sur le côté intérieur du sac à gaz |
DE102006055723A1 (de) * | 2006-11-25 | 2008-05-29 | Autoliv Development Ab | Airbaganordnung mit einem innenseitig des Gassackes befestigten Gasgenerator |
DE102006055723B4 (de) * | 2006-11-25 | 2015-11-12 | Autoliv Development Ab | Airbaganordnung mit einem innenseitig des Gassackes befestigten Gasgenerator |
DE102007047480A1 (de) | 2007-10-04 | 2009-04-09 | Autoliv Development Ab | Befestigungselement und Gassack-Einheit |
DE102008063789A1 (de) | 2008-12-18 | 2010-07-15 | Takata-Petri Ag | Gasstromverteiler für ein Gassackmodul eines Fahrzeuginsassen-Rückhaltesystem |
CN102398561A (zh) * | 2010-09-13 | 2012-04-04 | 奥托立夫开发公司 | 汽车安全气帘支架 |
CN102398561B (zh) * | 2010-09-13 | 2015-09-09 | 奥托立夫开发公司 | 汽车安全气帘支架 |
US8678440B1 (en) | 2012-12-20 | 2014-03-25 | Autoliv Asp, Inc. | Retractor-lap pretensioner with single micro-gas generator |
Also Published As
Publication number | Publication date |
---|---|
GB2397806A (en) | 2004-08-04 |
AU2003279650A1 (en) | 2004-08-23 |
GB2397806B (en) | 2006-01-04 |
GB0302304D0 (en) | 2003-03-05 |
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