DE10138546A1 - Side impact protection system for road vehicle has tube connecting gas generator with airbag which has two chambers separated by non-inflatable portion - Google Patents
Side impact protection system for road vehicle has tube connecting gas generator with airbag which has two chambers separated by non-inflatable portionInfo
- Publication number
- DE10138546A1 DE10138546A1 DE10138546A DE10138546A DE10138546A1 DE 10138546 A1 DE10138546 A1 DE 10138546A1 DE 10138546 A DE10138546 A DE 10138546A DE 10138546 A DE10138546 A DE 10138546A DE 10138546 A1 DE10138546 A1 DE 10138546A1
- Authority
- DE
- Germany
- Prior art keywords
- gas
- gas bag
- airbag
- module according
- gas generator
- 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- Withdrawn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
- B60R21/02—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
- B60R21/2346—Soft diffusers
-
- 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
- B60R21/26—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
- B60R2021/2612—Gas guiding means, e.g. ducts
- B60R2021/2617—Curtain bag nozzles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Description
Die Erfindung betrifft ein Seitengassackmodul für ein Fahrzeugin sassen-Rückhaltesystem, mit einem Gassack und einer separaten, im Gas sack angeordneten Gasführung.The invention relates to a side airbag module for a vehicle seat restraint system, with a gas bag and a separate one, in the gas sack arranged gas duct.
Eine solche Gasführung wird eingesetzt, um das Befüllen eines langgestreckten Seitengassacks zu erleichtern. Bisherige Gasführungen weisen zumindest abschnittsweise ein starres Rohr, eine sogenannte Gaslanze, auf. Das Faltungsverfahren des Gassacks muß darauf abge stellt sein und ist entsprechend aufwendig. Darüber hinaus gibt es als Gasführung wirkende abgenähte Bereiche am Gassack, die mit allen Kammern in Strömungsverbindung stehen. Hierbei sind die Gasführungen aber nicht separate Teile, vielmehr werden sie durch die Außenwand des Gassacks gebildet.Such gas routing is used to fill a to facilitate elongated side gas bags. Previous gas channels have at least in sections a rigid tube, a so-called Gas lance, on. The folding process of the gas bag must be based on this represents his and is correspondingly complex. In addition there is as Sewn-off areas on the gas bag that act with gas The chambers are in flow communication. Here are the gas ducts but not separate parts, rather they are covered by the outer wall of the Gas bags formed.
Die Erfindung schlägt ein Seitengassackmodul vor, bei dem die Her stellung des Gassacks vereinfacht ist, ohne die Vorteile einer ge zielten Befüllung von Gassackabschnitten zu verlieren.The invention proposes a side gas bag module in which the Her position of the gas bag is simplified without the advantages of a ge aimed to lose filling of gas bag sections.
Dies wird bei einem eingangs genannten Modul dadurch erreicht, daß die Gasführung aus einem faltbaren, flexiblen Material besteht. Die Gasführung kann vor dem Falten des Gassacks in diesen eingebracht werden und mit dem Gassack zusammen gefaltet werden. Auf diese Weise kann das gesamte Faltungsverfahren maschinell erfolgen. Außerdem ver ringert sich der Platzbedarf des Moduls bei gefaltetem Gassack.This is achieved in a module mentioned in the introduction in that the gas duct consists of a foldable, flexible material. The The gas guide can be inserted into the gas bag before it is folded and are folded together with the gas bag. In this way the entire folding process can be done mechanically. In addition ver the space requirement of the module is reduced when the gas bag is folded.
Besonders vorteilhaft ist es, wenn die Gasführung als Gewebe schlauch ausgeführt ist. Bei einem einstückig gewebten Gassack kann die Gasführung z. B. durch eine vierlagige Webung mit diesem zusammen hergestellt werden. Auf diese Weise verringern sich die Herstellungs kosten des Gassackmoduls.It is particularly advantageous if the gas flow as a fabric hose is executed. With an airbag woven in one piece, it can the gas flow z. B. together with a four-layer weaving getting produced. In this way, the manufacturing is reduced cost of the gas bag module.
Die Gasführung kann auch aus einem in den Gassack eingebrachten Schlauch bestehen.The gas duct can also be inserted into the gas bag Hose.
In einer bevorzugten Ausführung der Erfindung ist die Gasführung mit einem Gasgenerator verbunden, und der Gassack weist eine erste und eine zweite, hintereinander angeordnete Kammer auf, wobei die Gas führung bis in die zweite, weiter vom Gasgenerator entfernte Kammer ragt, in sie mündet und nur diese befüllt. Vorzugsweise ist der Gas generator mit einem Gasverteiler verbunden, der wenigstens zwei Aus strömrohre aufweist, von denen eine mit der Gasführung verbunden ist und die andere mit der ersten Kammer. Es ist vorteilhaft, wenn die Gasführung nur eine, in der zweiten Kammer angeordnete Ausströmöffnung aufweist. Auf diese Weise können beide Kammern gleichzeitig befüllt werden. Da der für die zweite Kammer bestimmte Teil des Gases durch die Gasführung geleitet wird, entsteht keine hohe Belastung für den Gassack.In a preferred embodiment of the invention, the gas flow is with connected to a gas generator, and the gas bag has a first and a second, one behind the other chamber, the gas lead into the second chamber, further away from the gas generator protrudes, flows into it and only fills it. Preferably the gas is Generator connected to a gas distributor, the at least two off has flow tubes, one of which is connected to the gas duct and the other with the first chamber. It is advantageous if the Gas flow only one outflow opening arranged in the second chamber having. In this way, both chambers can be filled at the same time become. Because the part of the gas destined for the second chamber passes through the gas flow is routed, there is no high burden on the Airbag.
In einer vorteilhaften Ausführungsform weist der Gasverteiler zwei konzentrisch angeordnete Ausströmrohre auf. Bevorzugt ist das innere Rohr mit der Gasführung verbunden. So läßt sich ein besonders kom pakter Gasverteiler realisieren.In an advantageous embodiment, the gas distributor has two concentrically arranged discharge pipes. The interior is preferred Pipe connected to the gas duct. So a particularly com realizing gas distributors.
Weitere Merkmale und Vorteile der Erfindung ergeben sich aus den Unteransprüchen sowie aus der folgenden Beschreibung eines Aus führungsbeispiels zusammen mit den beigefügten Zeichnungen. In diesen zeigen: Further features and advantages of the invention result from the Subclaims and from the following description of an Aus management example together with the accompanying drawings. In these demonstrate:
Fig. 1 ein erfindungsgemäßes Seitengassackmodul mit einem auf geblasenen Gassack; Fig. 1 shows an inventive side gas bag module comprising a gas bag to blown;
Fig. 2 ein Detail eines erfindungsgemäßen Seitengassackmoduls mit einem Gasverteiler gemäß einer ersten Ausführungsform; und Fig. 2 is a detail of a side airbag module according to the invention with a gas distributor according to a first embodiment; and
Fig. 3 ein Detail eines erfindungsgemäßen Seitengassackmoduls mit einem Gasverteiler gemäß einer zweiten Ausführungsform. Fig. 3 shows a detail of a side airbag module according to the invention with a gas distributor according to a second embodiment.
Fig. 1 zeigt ein Seitengassackmodul 10 mit einem Gassack 12 mit zwei Kammern 14, 16, die über einen nicht aufblasbaren Bereich 18 mitein ander verbunden sind. Der Gassack 12 ist über an seinem im eingebau ten, aufgeblasenen Zustand oberen Rand angeordnete Ösen 20 an einem (nicht gezeigten) Fahrzeug, z. B. am Dachrahmen, befestigbar und erstreckt sich von der A-Säule über die B-Säule bis annähernd zur C-Säule, um für den Kopf des Front- und den Kopf des Heckinsassen einen Seitenaufprallschutz zu bieten. Fig. 1 shows a side airbag module 10 with an airbag 12 with two chambers 14 , 16 which are connected to each other via a non-inflatable area 18 . The airbag 12 is arranged on its in the built-in, inflated state upper edge eyelets 20 on a (not shown) vehicle, for. B. on the roof frame, attachable and extends from the A-pillar over the B-pillar to approximately the C-pillar in order to provide side impact protection for the head of the front and the head of the rear occupant.
Im Gassack erstreckt sich in der Nähe seines oberen Randes eine Gasführung 22. An einem Ende ist diese Gasführung 22 über einen Gas verteiler 26 mit einem Gasgenerator 24 verbunden. Das andere Ende der Gasführung erstreckt sich bis in die zweite Kammer 16 und endet in einer Ausströmöffnung 27. Vorzugsweise weist die Gasführung keine weiteren Öffnungen auf. Die Gasführung kann durch eine spezielle Web technik im Inneren des Gassacks hergestellt sein, so daß der Gassack in diesem Bereich vierlagig ist.In the gas bag, a gas guide 22 extends in the vicinity of its upper edge. At one end, this gas duct 22 is connected via a gas distributor 26 to a gas generator 24 . The other end of the gas guide extends into the second chamber 16 and ends in an outflow opening 27 . The gas duct preferably has no further openings. The gas guide can be made by a special weaving technology inside the gas bag, so that the gas bag is four-ply in this area.
Über den Gasverteiler 26 wird das im Rückhaltefall vom Gas generator 24 erzeugte Gas auf die einzelnen Kammern 14, 16 verteilt. Eine erste Ausführungsform des Gasverteilers ist in Fig. 2 darge stellt. Der Gasverteiler 26 weist zwei konzentrische Rohre 28 und 30 auf. Das innere Rohr weist an seinem innerhalb des äußeren Rohrs 30 gelegenen Bereich weitere Ausströmöffnungen 32 auf. An seinem dem Gas sack 12 zugewandten Ende ist das innere Rohr 28 mit der Gasführung 22 verbunden. Das äußere Rohr 30 ist mit einem Abschnitt 34 der ersten Kammer 14 verbunden. Die Verbindungen können z. B. über Schlauch schellen 36 erfolgen. Via the gas distributor 26 , the gas generated in the restraint case by the gas generator 24 is distributed to the individual chambers 14 , 16 . A first embodiment of the gas distributor is shown in Fig. 2 Darge. The gas distributor 26 has two concentric tubes 28 and 30 . The inner tube has further outflow openings 32 at its area located within the outer tube 30 . At its end facing the gas sack 12 , the inner tube 28 is connected to the gas guide 22 . The outer tube 30 is connected to a section 34 of the first chamber 14 . The connections can e.g. B. via hose clamps 36 .
Der Gasverteiler 26 ist an einem Ende mit dem rohrförmigen Gas generator 24 verbunden. Beim Befüllen des Gassacks strömt das Gas aus dem Gasgenerator 24 in das innere Rohr 28, von wo aus ein Teil des Gases durch die Ausströmöffungen 32 in das äußere Rohr 30 und in die erste Kammer 14 gelangt. Um die Gasführung 22 bildet sich ein nach unten zur Kammer 14 offener gasführender Ringkanal. Das restliche Gas strömt durch die Gasführung 22 in die zweite Kammer 16.The gas distributor 26 is connected at one end to the tubular gas generator 24 . When the gas bag is filled, the gas flows from the gas generator 24 into the inner tube 28 , from where part of the gas passes through the outflow openings 32 into the outer tube 30 and into the first chamber 14 . A gas-conducting ring channel which is open towards the chamber 14 forms around the gas duct 22 . The remaining gas flows through the gas duct 22 into the second chamber 16 .
Fig. 3 zeigt eine weitere Ausführungsform eines Gasverteilers 126. Dieser weist zwei annähernd parallele Ausströmrohre 128, 130 auf, von denen das eine mit der Gasführung 22 und das andere mit dem Ab schnitt 34 der ersten Kammer verbunden ist. Beim Befüllen des Gas sacks 12 strömt das Gas aus dem Gasgenerator 24 in einen gemeinsamen Abschnitt 132, der die Rohre 128, 130 verbindet, und von dort über die Rohre 128, 130 in die erste und die zweite Kammer 14, 16. Die Be festigung des Abschnitts 34 sowie der Gasführung 22 kann wiederum über Schlauchschellen 36 erfolgen. Fig. 3 shows another embodiment of a gas distributor 126th This has two approximately parallel outflow pipes 128 , 130 , one of which is connected to the gas guide 22 and the other to the section 34 of the first chamber. When filling the gas bag 12 , the gas flows from the gas generator 24 into a common section 132 , which connects the tubes 128 , 130 , and from there via the tubes 128 , 130 into the first and second chambers 14 , 16 . The section 34 and the gas duct 22 can in turn be fastened via hose clamps 36 .
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10138546A DE10138546A1 (en) | 2000-08-31 | 2001-08-06 | Side impact protection system for road vehicle has tube connecting gas generator with airbag which has two chambers separated by non-inflatable portion |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20015065U DE20015065U1 (en) | 2000-08-31 | 2000-08-31 | Side airbag module |
DE10138546A DE10138546A1 (en) | 2000-08-31 | 2001-08-06 | Side impact protection system for road vehicle has tube connecting gas generator with airbag which has two chambers separated by non-inflatable portion |
Publications (1)
Publication Number | Publication Date |
---|---|
DE10138546A1 true DE10138546A1 (en) | 2002-03-14 |
Family
ID=7945896
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20015065U Expired - Lifetime DE20015065U1 (en) | 2000-08-31 | 2000-08-31 | Side airbag module |
DE10138546A Withdrawn DE10138546A1 (en) | 2000-08-31 | 2001-08-06 | Side impact protection system for road vehicle has tube connecting gas generator with airbag which has two chambers separated by non-inflatable portion |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE20015065U Expired - Lifetime DE20015065U1 (en) | 2000-08-31 | 2000-08-31 | Side airbag module |
Country Status (1)
Country | Link |
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DE (2) | DE20015065U1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20310575U1 (en) | 2003-07-04 | 2003-10-09 | TAKATA-PETRI AG, 63743 Aschaffenburg | Blower system for inflating airbag has tubular gas generator with closed ends and aperture at midpoint releasing gas into manifold with two outlets |
WO2004054852A1 (en) * | 2002-12-13 | 2004-07-01 | Autoliv Asp, Inc. | Dual flow gas guide apparatus and method |
US7077424B2 (en) | 2002-06-17 | 2006-07-18 | Toyoda Gosei Co., Ltd. | Head protecting airbag device |
US8226117B2 (en) | 2005-12-01 | 2012-07-24 | Takata AG | Gas flow distributor for an airbag module |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2378924B (en) * | 2001-08-22 | 2004-10-20 | Autoliv Dev | Improvements in or relating to an air-bag |
DE20206340U1 (en) | 2002-04-22 | 2002-08-29 | TRW Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf | Airbag module |
GB2390576B (en) | 2002-07-12 | 2005-06-15 | Autoliv Dev | Improvements in or relating to an air-bag |
DE20215541U1 (en) * | 2002-10-09 | 2004-02-12 | Trw Occupant Restraint Systems Gmbh & Co. Kg | Side airbag retaining system, has gas generator located in B column region of roof frame and connected to multi section gas distributor |
GB2394921A (en) | 2002-11-07 | 2004-05-12 | Autoliv Dev | A vehicle curtain type air bag rolled up when not in use |
DE20300500U1 (en) | 2003-01-13 | 2003-06-18 | TRW Occupant Restraint Systems GmbH & Co. KG, 73553 Alfdorf | Gas generator and gas bag module |
GB2399792A (en) | 2003-03-24 | 2004-09-29 | Autoliv Dev | An air-bag mounting arrangement |
WO2005056348A1 (en) | 2003-12-08 | 2005-06-23 | Autoliv Development Ab | Vehicle air bag device |
DE102004006317B4 (en) * | 2004-02-10 | 2005-12-22 | Autoliv Development Ab | Airbag and gas bag module |
DE102005001598A1 (en) | 2005-01-12 | 2006-07-20 | Autoliv Development Ab | Airbag and method for producing an airbag |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19848794A1 (en) | 1997-10-22 | 1999-05-27 | Inova Gmbh Tech Entwicklungen | Passenger protection airbag for vehicles |
DE29810222U1 (en) | 1998-06-08 | 1998-10-08 | Trw Repa Gmbh | Assembly consisting of a gas generator, a gas lance and at least two gas bags |
DE29914637U1 (en) | 1999-08-20 | 1999-12-09 | Takata Corp | Protective pad for the head of a vehicle occupant |
DE19945779B4 (en) | 1999-09-24 | 2004-07-01 | Audi Ag | airbag device |
-
2000
- 2000-08-31 DE DE20015065U patent/DE20015065U1/en not_active Expired - Lifetime
-
2001
- 2001-08-06 DE DE10138546A patent/DE10138546A1/en not_active Withdrawn
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7077424B2 (en) | 2002-06-17 | 2006-07-18 | Toyoda Gosei Co., Ltd. | Head protecting airbag device |
DE10327020B4 (en) * | 2002-06-17 | 2011-06-16 | Toyoda Gosei Co., Ltd., Nishikasugai-gun | Head-protecting airbag device |
DE10362119B4 (en) * | 2002-06-17 | 2012-09-06 | Toyoda Gosei Co., Ltd. | Head-protecting airbag device |
WO2004054852A1 (en) * | 2002-12-13 | 2004-07-01 | Autoliv Asp, Inc. | Dual flow gas guide apparatus and method |
US6877771B2 (en) | 2002-12-13 | 2005-04-12 | Autoliv Asp, Inc. | Dual flow gas guide apparatus and method |
DE20310575U1 (en) | 2003-07-04 | 2003-10-09 | TAKATA-PETRI AG, 63743 Aschaffenburg | Blower system for inflating airbag has tubular gas generator with closed ends and aperture at midpoint releasing gas into manifold with two outlets |
US8226117B2 (en) | 2005-12-01 | 2012-07-24 | Takata AG | Gas flow distributor for an airbag module |
Also Published As
Publication number | Publication date |
---|---|
DE20015065U1 (en) | 2001-01-04 |
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Legal Events
Date | Code | Title | Description |
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8139 | Disposal/non-payment of the annual fee |