DE102010005530A1 - Air bag system for front seat passenger of motor car, has gas generator blowing up two airbags before vehicle occupants, where one of airbags supports other airbag during collision with vehicle occupants - Google Patents

Air bag system for front seat passenger of motor car, has gas generator blowing up two airbags before vehicle occupants, where one of airbags supports other airbag during collision with vehicle occupants Download PDF

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Publication number
DE102010005530A1
DE102010005530A1 DE201010005530 DE102010005530A DE102010005530A1 DE 102010005530 A1 DE102010005530 A1 DE 102010005530A1 DE 201010005530 DE201010005530 DE 201010005530 DE 102010005530 A DE102010005530 A DE 102010005530A DE 102010005530 A1 DE102010005530 A1 DE 102010005530A1
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Germany
Prior art keywords
airbag
airbags
vehicle occupants
gas generator
air bag
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Ceased
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DE201010005530
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German (de)
Inventor
Robert 80797 Janssen
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Bayerische Motoren Werke AG
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Bayerische Motoren Werke AG
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Priority to DE201010005530 priority Critical patent/DE102010005530A1/en
Publication of DE102010005530A1 publication Critical patent/DE102010005530A1/en
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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
    • 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
    • B60R21/205—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in dashboards
    • 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
    • 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
    • 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
    • B60R2021/23107—Inflatable members characterised by their shape, construction or spatial configuration the bag being integrated in a multi-bag system
    • 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
    • B60R2021/23169—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for knee protection

Abstract

The system has air bag modules (5, 6) arranged in a region of a cockpit structure of a motor vehicle, and a gas generator blowing up two airbags (7, 8) before vehicle occupants. One of the airbags supports the other airbag during collision of the vehicle occupants. The latter airbag unfolds at a distance over a planar component (3) of the cockpit structure, and the former airbag in an inflated condition fills a space between the planar component and an under side of the latter airbag. The planar component functions as a supporting surface for knees of the vehicle occupants.

Description

Die Erfindung bezieht sich auf ein Beifahrerairbagsystem für ein Kraftfahrzeug, wie es im Oberbegriff des Hauptanspruchs beschrieben ist.The invention relates to a passenger airbag system for a motor vehicle, as described in the preamble of the main claim.

Bei einem Fahrzeugaufprall wird der Fahrzeuginsasse aufgrund der Massenträgheit seines Körpers nach vorne geschleudert. Im Fahrzeug vorgesehene Airbagsysteme sollen dies verhindern oder wenigstens die Vorverlagerung abschwächen. So ist in nahezu allen modernen Kraftfahrzeugen für den vorne sitzenden Beifahrer ein solches Airbagsystem in der Instrumententafel bzw. der Cockpitstruktur des Fahrzeugs vorgesehen. Im Kollisionsfall entfaltet das Airbagsystem einen Luftsack zwischen dem Fahrzeuginsassen und der Cockpitstruktur. Der Airbag nimmt den sich nach vorne verlagernden Körper des Fahrzeuginsassen federnd auf und stützt sich dabei selbst an der Cockpitstruktur und gegebenenfalls auch an der dahinter liegenden Windschutzscheibe ab.In a vehicle collision, the vehicle occupant is thrown forward due to the inertia of his body. Airbag systems provided in the vehicle are intended to prevent this or at least mitigate the forward displacement. Thus, such an airbag system in the instrument panel and the cockpit structure of the vehicle is provided in almost all modern motor vehicles for the front seat passenger. In the event of a collision, the airbag system unfolds an airbag between the vehicle occupant and the cockpit structure. The airbag absorbs the forward displaceable body of the vehicle occupant resiliently, relying even on the cockpit structure and possibly also on the underlying windshield.

Das Design moderner Kraftfahrzeuge stellt die bisherigen Innenraumgestaltungen zunehmend in Frage und geht unter anderem auch in Richtung offener Cockpitstrukturen. Damit werden die bisherigen, im Wesentlichen geschlossenen Cockpitstrukturen mehr zerklüftet mit der Folge, dass sie die oben beschriebene Abstützfunktion für den Luftsack nicht mehr in dem Umfang wie bisher wahrnehmen können.The design of modern motor vehicles is increasingly questioning the previous interior design and, among other things, also goes in the direction of open cockpit structures. Thus, the previous, substantially closed cockpit structures are more rugged with the result that they can no longer perceive the above-described support function for the airbag to the same extent as before.

Aufgabe der Erfindung ist es, auch bei solchen modernen Cockpitgestaltungen den Luftsack für den Schutz des Beifahrers sicher abzustützen.The object of the invention is to safely support the airbag for the protection of the passenger even in such modern cockpit designs.

Die Aufgabe wird erfindungsgemäß mit den kennzeichnenden Merkmalen des Anspruchs 1 gelöst. Weitere Ausgestaltungen der Erfindung ergeben sich aus den Unteransprüchen.The object is achieved with the characterizing features of claim 1. Further embodiments of the invention will become apparent from the dependent claims.

Nach der Erfindung ist demnach ein zweiter Luftsack vorgesehen, der den aufgeblasenen ersten Luftsack für den Schutz des Fahrzeuginsassen anstelle der bisherigen fahrzeugfesten Strukturen abstützt. Dabei kann der zweite Luftsack Teil eines Airbag-Satellitenmoduls sein mit einem getrennten Gasgenerator. In dieser Ausführung wird eine hohe Gestaltungsfreiheit erreicht. Andererseits kann bei geeigneter Auslegung ein einziger Gasgenerator Verwendung finden, der beide Luftsäcke aufbläst, sei es gleichzeitig oder zuerst den „Stütz-Luftsack” und zeitverzögert dann den eigentlichen, den Fahrgast schützenden Luftsack. Eine solche Auslegung zeichnet sich durch kompakte Bauweise aus, was insbesondere bei beengten Platzverhältnissen von Vorteil ist.According to the invention, therefore, a second airbag is provided, which supports the inflated first airbag for the protection of the vehicle occupant instead of the previous vehicle-fixed structures. In this case, the second airbag may be part of an airbag satellite module with a separate gas generator. In this embodiment, a high degree of design freedom is achieved. On the other hand, with a suitable design, a single gas generator can be used, which inflates both airbags, be it simultaneously or first the "support airbag" and then delay the actual, the passenger protecting airbag. Such a design is characterized by a compact design, which is particularly advantageous in confined spaces.

Weitere vorteilhafte Ausgestaltungen der Erfindung ergeben sich aus der nachfolgenden Beschreibung mehrerer Ausführungsbeispiele anhand der dazugehörenden Zeichnung. Es zeigenFurther advantageous embodiments of the invention will become apparent from the following description of several embodiments with reference to the accompanying drawings. Show it

1 in schematischer Darstellung eine erste Ausführungsform der Erfindung mit einem den eigentlichen Luftsack von unten stützenden Satelliten-Luftsack, 1 1 shows a schematic representation of a first embodiment of the invention with a satellite airbag supporting the actual airbag from below, FIG.

2 in ähnlicher Darstellung wie in 1 eine zweite Ausführungsform der Erfindung mit einem den eigentlichen Luftsack von vorn stützenden Satelliten-Luftsack und 2 in a similar way as in 1 a second embodiment of the invention with a real airbag from the front supporting satellite airbag and

3 wiederum in schematischer Darstellung eine dritte Ausführungsform der Erfindung mit einem zwischen einer Windschutzscheibe und dem eigentlichen Luftsack vorgesehenen Satelliten-Luftsack. 3 in turn, a schematic representation of a third embodiment of the invention with a provided between a windshield and the actual airbag satellite airbag.

Die Darstellung nach 1 zeigt einen Zustand, nach dem bei einer Kollision ein Airbagsystem ausgelöst wurde und einen Fahrgast 1 abstützt. Es ist eine Stirnwand 2 einer nicht weiter dargestellten Fahrzeugkarosserie angedeutet, die in bekannter Weise den Fahrgastraum vom Motorraum abtrennt. Etwa auf ihrer halben Höhe ist an der Stirnwand 2 ein flächiges Bauteil 3 befestigt, das Teil einer nicht näher dargestellten Cockpitstruktur ist und in etwa waagrecht zu dem Fahrgastes 1 zeigt. Der dem Fahrgast 1 zugewandte Endabschnitt 3a des Bauteils 3 ist schräg nach oben abgebogen und dient mit dieser Ausformung als Knieabstützfläche für den Fahrgast 1. Des Weiteren verläuft oberhalb der Stirnwand 2 eine Windschutzscheibe 4 schräg nach hinten und oben. Schließlich sind oberhalb des Bauteils 3 an der Rückseite der Stirnwand 2 – also vom Fahrgast 1 abgewandt – zwei Airbagmodule 5 und 6 montiert, die in bekannter Weise im Wesentlichen aus einem Gasgenerator und einem aufblasbarem Luftsack bestehen.The representation after 1 shows a state after an airbag system has been triggered in a collision and a passenger 1 supported. It is a front wall 2 a vehicle body not shown, which separates the passenger compartment from the engine compartment in a known manner. At about half its height is on the front wall 2 a planar component 3 attached, which is part of a cockpit structure, not shown, and approximately horizontal to the passenger 1 shows. The passenger 1 facing end portion 3a of the component 3 is bent obliquely upwards and serves with this shape as a knee support surface for the passenger 1 , Furthermore, runs above the front wall 2 a windshield 4 diagonally backwards and upwards. Finally, above the component 3 at the back of the front wall 2 - So from the passenger 1 turned away - two airbag modules 5 and 6 mounted, which consist in known manner essentially of a gas generator and an inflatable airbag.

Wie bereits erwähnt, hat das Airbagsystem nach 1 bereits ausgelöst, das heißt der Gasgenerator des Airbagmoduls 5 hat einen kleinen Luftsack 7 aufgeblasen, der dadurch als Stütze für den eigentlichen, den Fahrgast 1 schützenden Luftsack 8 dient. Dieser Luftsack 8 wurde von dem Gasgenerator des Airbagmoduls 6 gefüllt. Während des Auslösens des Airbagsystems wurde der Luftsack des Airbagmoduls 6 entweder gleichzeitig oder mit kurzer Verzögerung nach dem Luftsack 7 entfaltet. Der Luftsack 7 stützt sich an der Oberfläche des Bauteils 3 ab, während der Luftsack 8 durch den sich nach vorne verlagernden Fahrgast 1 mit seiner Oberseite an die Innenseite der Windschutzscheibe 4 gedrückt und dort abgestützt wird.As already mentioned, the airbag system has after 1 already triggered, that is, the gas generator of the airbag module 5 has a small airbag 7 inflated, thereby providing support for the actual, the passenger 1 protective airbag 8th serves. This airbag 8th was from the gas generator of the airbag module 6 filled. During the triggering of the airbag system, the airbag of the airbag module 6 either simultaneously or with a short delay after the airbag 7 unfolded. The airbag 7 rests on the surface of the component 3 off while the airbag 8th by the passenger moving to the front 1 with its top to the inside of the windshield 4 pressed and supported there.

In 2 weist die Cockpitstruktur 9 eine nahezu herkömmliche Ausprägung auf, in ihr ist lediglich eine Ausnehmung 10 vorgesehen. Hinter der zur Windschutzscheibe 7 weisenden Oberseite der Cockpitstruktur 9 und hinter der Ausnehmung 10 sind wiederum zwei Airbagmodule 5' und 6' montiert. Beim Auslösen des Airbagsystem werden beide Gasgeneratoren der Airbagmodule 5' und 6' – sei es gleichzeitig oder mit einer gewissen Zeitverzögerung – gezündet. Dabei entfaltet sich der dem Fahrgast 1 Schutz bietende Luftsack 8' nach oben und abgelenkt durch die Windschutzscheibe 4 zum Fahrgast 1 hin. Entsprechend füllt der sich entfaltende Luftsack 7' zunächst die Ausnehmung 10 aus, um dann den sich über Öffnung der Ausnehmung 10 stülpenden Luftsack 8' abzustützen.In 2 has the cockpit structure 9 a nearly conventional expression, in it is only a recess 10 intended. Behind the windshield 7 pointing cockpit structure top 9 and behind the recess 10 again are two airbag modules 5 ' and 6 ' assembled. When the airbag system is triggered, both gas generators of the airbag modules are activated 5 ' and 6 ' - be it simultaneously or with a certain time delay - detonated. This unfolds the passenger 1 Protective airbag 8th' up and distracted by the windshield 4 to the passenger 1 out. Accordingly, the unfolding airbag fills 7 ' first the recess 10 out, then over the opening of the recess 10 inverted airbag 8th' support.

3 zeigt die Verwendung des „Stützluftsacks” bei einem Kraftfahrzeug mit – in Bezug auf den Fahrgast 1 – weit vorne liegender Windschutzscheibe. Bei solchen Raumverhältnissen kann sich der den Fahrgast schützende Luftsack nicht an der Windschutzscheibe abstützen, denn sein Volumen kann aus technischen Gründen nicht beliebig groß ausgelegt werden. Der verbleibende Zwischenraum füllt in diesem Fall der „Stütz-Luftsack” aus. Dabei weist Cockpitstruktur eine bei heutigen Fahrzeugen übliche, geschlossene Form auf. In dem Cockpit sind unterhalb ihrer zur Windschutzscheibe 4 zeigenden Oberseite zwei Airbagmodule 5'' und 6'' am Cockpit selbst oder an sonstigen Teilen des Fahrzeugaufbaus befestigt. Beim Auslösen des Airbagsystem zünden wiederum in der vorbeschriebenen Weise die Gasgeneratoren der Airbagmodule 5'' und 6'' und blasen die Luftsäcke 7'' und 8'' auf. Der Luftsack 7'' stützt sich im entfalteten Zustand einerseits an der Innenseite der Windschutzscheibe 4 ab und gibt seinerseits dem Luftsack 8'' Halt für den nach vorne drängenden Oberkörper des Fahrgast 1. 3 shows the use of the "support air bag" in a motor vehicle with - in relation to the passenger 1 - Windscreen located far to the front. In such space conditions, the passenger protecting the air bag can not be supported on the windshield, because its volume can not be designed arbitrarily large for technical reasons. The remaining gap fills in this case, the "support airbag". In this case, cockpit structure on a usual in today's vehicles, closed form. In the cockpit are below her to the windshield 4 showing top two airbag modules 5 '' and 6 '' attached to the cockpit itself or to other parts of the vehicle body. When the airbag system is triggered, in turn, the gas generators of the airbag modules ignite in the manner described above 5 '' and 6 '' and blow the air bags 7 '' and 8th'' on. The airbag 7 '' relies in the unfolded state on the one hand on the inside of the windshield 4 and in turn gives the airbag 8th'' Stop for the forward-pressing torso of the passenger 1 ,

Claims (6)

Beifahrerairbagsystem mit einem im Bereich einer Cockpitstruktur eines Kraftfahrzeuges angeordneten Airbagmodul (5, 6; 5', 6'; 5'', 6''), bestehend aus einem Gasgenerator, der im Bedarfsfall einen Luftsack (8, 8', 8'') vor dem zu schützenden Fahrzeuginsassen (1) aufbläst, gekennzeichnet, durch einen zweiten Luftsack (7, 7', 7''), der den ersten Luftsack (8, 8', 8'') beim Aufprall des Fahrzeuginsassen (1) abstützt.Passenger airbag system with a arranged in the region of a cockpit structure of a motor vehicle airbag module ( 5 . 6 ; 5 ' . 6 '; 5 '' . 6 '' ), consisting of a gas generator, which in case of need an air bag ( 8th . 8th' . 8th'' ) in front of the vehicle occupant to be protected ( 1 ), characterized by a second airbag ( 7 . 7 ' . 7 '' ), the first airbag ( 8th . 8th' . 8th'' ) upon impact of the vehicle occupant ( 1 ) is supported. Airbagsystem nach Anspruch 1, dadurch gekennzeichnet, dass die beiden Luftsäcke (7, 7', 7'' und 8, 8', 8'') von einem einzigen Gasgenerator aufgeblasen werden.Airbag system according to claim 1, characterized in that the two airbags ( 7 . 7 ' . 7 '' and 8th . 8th' . 8th'' ) are inflated by a single gas generator. Airbagsystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sich der erste Luftsack (8) mit Abstand über einem flächigen Bauteil (3) der Cockpitstruktur entfaltet und dass der aufgeblasene zweite Luftsack (7) im aufgeblasenen Zustand den Raum zwischen dem flächigen Bauteil (3) und der Unterseite des ersten Luftsacks (8) ausfüllt.Airbag system according to claim 1 or 2, characterized in that the first airbag ( 8th ) at a distance above a flat component ( 3 ) of the cockpit structure and that the inflated second airbag ( 7 ) in the inflated state, the space between the flat component ( 3 ) and the underside of the first airbag ( 8th ). Airbagsystem nach Anspruch 3, dadurch gekennzeichnet, dass das flächige Bauteil (3) als Abstützfläche für die Knie des Fahrzeuginsassen dient.Airbag system according to claim 3, characterized in that the flat component ( 3 ) serves as a support surface for the knees of the vehicle occupant. Airbagsystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sich der erste Luftsack (8') vor einer in der Cockpitstruktur (9) vorgesehenen Ausnehmung (10) entfaltet und dass der zweite Luftsack (7') aus der Ausnehmung (10) heraus den ersten Luftsack (8') abstützt.Airbag system according to claim 1 or 2, characterized in that the first airbag ( 8th' ) in front of a cockpit structure ( 9 ) recess ( 10 ) and that the second airbag ( 7 ' ) from the recess ( 10 ) out the first airbag ( 8th' ) is supported. Airbagsystem nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass sich der erste Luftsack (8'') mit Abstand hinter einer Windschutzscheibe (4) entfaltet und dass der zweite Luftsack (7'') in seinem aufgeblasenen Zustand den Raum zwischen dem ersten Luftsack (8'') und der Windschutzscheibe (4) ausfüllt.Airbag system according to claim 1 or 2, characterized in that the first airbag ( 8th'' ) by far behind a windshield ( 4 ) and that the second airbag ( 7 '' ) in its inflated state the space between the first airbag ( 8th'' ) and the windscreen ( 4 ).
DE201010005530 2010-01-23 2010-01-23 Air bag system for front seat passenger of motor car, has gas generator blowing up two airbags before vehicle occupants, where one of airbags supports other airbag during collision with vehicle occupants Ceased DE102010005530A1 (en)

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DE201010005530 DE102010005530A1 (en) 2010-01-23 2010-01-23 Air bag system for front seat passenger of motor car, has gas generator blowing up two airbags before vehicle occupants, where one of airbags supports other airbag during collision with vehicle occupants

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Application Number Priority Date Filing Date Title
DE201010005530 DE102010005530A1 (en) 2010-01-23 2010-01-23 Air bag system for front seat passenger of motor car, has gas generator blowing up two airbags before vehicle occupants, where one of airbags supports other airbag during collision with vehicle occupants

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019197261A1 (en) * 2018-04-10 2019-10-17 Trw Automotive Gmbh Vehicle occupant restraint device
WO2020088921A1 (en) * 2018-10-31 2020-05-07 Bayerische Motoren Werke Aktiengesellschaft Airbag device for a motor vehicle and motor vehicle equipped therewith
US10857966B2 (en) * 2018-08-27 2020-12-08 Ford Global Technologies, Llc Front airbag restraint system for vehicle

Citations (6)

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Publication number Priority date Publication date Assignee Title
DE10020353A1 (en) * 1999-09-20 2001-03-22 Trw Repa Gmbh Vehicle occupant restraint
DE10021845A1 (en) * 2000-05-05 2001-11-08 Volkswagen Ag Dual airbag system for restraint in case of frontal collision; has thorax and head airbags connected to each other and gas generator and has tactile bag provided in thorax airbag to detect obstacle
DE10301715A1 (en) * 2003-01-14 2004-07-29 Takata-Petri Ag Airbag system for vehicle occupant protection, has main airbag with associated auxiliary airbag(s) of smaller volume for increasing unfolding depth and/or varying unfolding direction of main airbag
DE602004004035D1 (en) * 2003-11-14 2007-02-15 Takata Corp Occupant protection device
DE602005002762D1 (en) * 2004-02-24 2007-11-22 Takata Corp Double airbag device
DE102007051281A1 (en) * 2007-10-26 2009-04-30 Daimler Ag Airbag system for use on front seat passenger side of motor vehicle, has airbag formed from airbag chambers, where one chamber is fillable with gas in one stage and another chamber is fillable with gas in another stage

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10020353A1 (en) * 1999-09-20 2001-03-22 Trw Repa Gmbh Vehicle occupant restraint
DE10021845A1 (en) * 2000-05-05 2001-11-08 Volkswagen Ag Dual airbag system for restraint in case of frontal collision; has thorax and head airbags connected to each other and gas generator and has tactile bag provided in thorax airbag to detect obstacle
DE10301715A1 (en) * 2003-01-14 2004-07-29 Takata-Petri Ag Airbag system for vehicle occupant protection, has main airbag with associated auxiliary airbag(s) of smaller volume for increasing unfolding depth and/or varying unfolding direction of main airbag
DE602004004035D1 (en) * 2003-11-14 2007-02-15 Takata Corp Occupant protection device
DE602005002762D1 (en) * 2004-02-24 2007-11-22 Takata Corp Double airbag device
DE102007051281A1 (en) * 2007-10-26 2009-04-30 Daimler Ag Airbag system for use on front seat passenger side of motor vehicle, has airbag formed from airbag chambers, where one chamber is fillable with gas in one stage and another chamber is fillable with gas in another stage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019197261A1 (en) * 2018-04-10 2019-10-17 Trw Automotive Gmbh Vehicle occupant restraint device
US10857966B2 (en) * 2018-08-27 2020-12-08 Ford Global Technologies, Llc Front airbag restraint system for vehicle
WO2020088921A1 (en) * 2018-10-31 2020-05-07 Bayerische Motoren Werke Aktiengesellschaft Airbag device for a motor vehicle and motor vehicle equipped therewith

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