WO2000071392A1 - Airbag device with deactivation devices and operating method thereof - Google Patents
Airbag device with deactivation devices and operating method thereof Download PDFInfo
- Publication number
- WO2000071392A1 WO2000071392A1 PCT/DE2000/001642 DE0001642W WO0071392A1 WO 2000071392 A1 WO2000071392 A1 WO 2000071392A1 DE 0001642 W DE0001642 W DE 0001642W WO 0071392 A1 WO0071392 A1 WO 0071392A1
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- WIPO (PCT)
- Prior art keywords
- ignited
- airbag
- gas generator
- devices
- disposal
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Classifications
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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
- B60R21/217—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
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
- B60R21/2155—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member with complex motion of the cover; Retraction under the lining during opening
-
- 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
- B60R21/215—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member
- B60R21/2165—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components characterised by the covers for the inflatable member characterised by a tear line for defining a deployment opening
Definitions
- the invention relates to an airbag device and an operating method therefor.
- Airbags particularly in motor vehicles, are now widely used as safety devices for their occupants.
- multi-stage airbag devices have become known in which at least one second stage ignites only when required or when this does not pose a danger to an occupant because, e.g. is too close to the expanding and advancing airbag.
- a subsequent stage is not triggered after a first stage has been ignited, a possibly unlocked explosive device remains in the vehicle. Such an explosive device can later explode in an uncontrolled manner and thus represents a danger for occupants, rescuers and disposal companies.
- the aim of the present invention is to provide an airbag device and an operating method therefor which, in the case of a multi-stage airbag device, eliminate the dangers of not igniting a subsequent stage after a primary stage.
- an airbag device with a multi-stage gas generator and an airbag is thus created, which is inflated with gas from the gas generator in the direction of a person can be advanced and / or expanded, the gas generator containing a primary level that can be ignited in the event of an accident and at least one subsequent level that can be optionally ignited.
- Disposal devices are also provided which, in a time-controlled manner, prevent uncontrolled ignition of non-ignited subsequent stages.
- the disposal devices contain delay devices in order to activate the disposal devices after a predeterminable period of time from the ignition of the primary stage of the gas generator.
- the disposal devices are designed to permanently deactivate ignition devices of subsequent stages of the gas generator that have not yet been ignited.
- the disposal devices can preferably contain a disposal ignition stage, by means of which subsequent non-ignited subsequent stages of the gas generator are ignited in a controlled manner and the gas generated by such non-ignited subsequent stages of the gas generator during the controlled ignition by the disposal ignition stage is prevented from entering the airbag.
- an airbag device contains closure devices in order, after activation of the disposal devices by means of the closure devices, to close gas flow paths from subsequent stages of the gas generator which have not yet been ignited to the airbag, and / or that the disposal devices contain interruption devices in order to an activation of the disposal devices by means of the interruption devices to interrupt gas flow paths from subsequent non-ignited subsequent stages of the gas generator to the airbag, and / or that the disposal devices contain diversion devices in order to activate the disposal devices by means of the diversion devices devices to divert a potential gas flow from initially uninitiated subsequent stages of the gas generator to the airbag in such a way that such gas flow cannot reach the airbag.
- the invention can preferably be further developed by the fact that the closure devices, interruption devices and / or bypass devices contain channels and pistons, and that the disposal ignition stage acts on the pistons in such a way that gas from subsequent stages of the gas generator which have not yet been ignited upon accidental or controlled ignition of such subsequent stages by the Piston prevented from entering the airbag and is discharged through the channels.
- the aim aimed at by the invention is achieved in that, in an operating method for an airbag device with a multi-stage gas generator and an airbag, which can be advanced and / or expanded in the direction of a person by being inflated, the gas generator being one in the case contains an ignitable primary stage as well as at least one subsequent stage, which is optionally ignitable, an uncontrolled ignition of non-ignited subsequent stages is prevented after a predefinable timeout.
- non-ignited subsequent stages are deactivated, in particular permanently, after a predefinable timeout.
- gas flow paths of initially not ignited subsequent stages of the gas generator are closed to form the airbag, and / or that after a predeterminable timeout gas flow paths from subsequent stages of the gas generator to the airbag which are not yet ignited are interrupted, and / or that after a predeterminable timeout, a potential gas flow from subsequent stages of the gas generator which have not yet been ignited to Airbag are redirected so that such gas flow cannot reach the airbag.
- Implementation consists in that for closing or interrupting gas flow paths from subsequent stages of the gas generator which have not yet been ignited to the airbag or bypassing a potential gas flow from subsequent stages of the gas generator to the airbag which have not yet been ignited by means of the controlled
- Disposal ignition pistons are applied and thereby control the corresponding gas flow paths via channels.
- FIG. 1 shows schematically a first exemplary embodiment of an airbag device with a two-stage gas generator before (left half of the picture) and after ignition (right half of the picture) the cross section of the first step
- FIG. 2 shows schematically the exemplary embodiment of the airbag device from FIG. 1 with a two-stage gas generator after ignition of the second stage in cross section
- 3 shows a schematic cross section of the exemplary embodiment of the airbag device from FIG. 1 with a two-stage gas generator after ignition of a disposal stage
- FIG. 4 schematically shows a second exemplary embodiment of an airbag device with a two-stage gas generator before (left half of the picture) and after ignition (right half of the picture) the cross section of the first step
- Fig. 5 shows schematically the embodiment of the airbag device of Fig. 4 with a two-stage gas generator after ignition of the second stage in cross section, and
- Fig. 6 shows schematically the embodiment of the airbag device of Fig. 4 with a two-stage gas generator after ignition of a disposal stage in cross section.
- FIG. 1 to 3 show as a first embodiment an airbag device 1 for a passenger bag, with a two-stage gas generator 2, which contains a primary stage 3 and a secondary stage 4, and an airbag 5.
- the primary stage 3 is, for example, in the event of an accident a sensor-controlled control (not shown) ignited. If the airbag 5 can spread freely, for example, the secondary stage 4 is ignited to inflate the airbag 5 completely. If, however, an obstacle already occurs when the airbag 5 is spreading with the gas from the primary stage 3, such as the head If the occupant, the ignition of the secondary stage 4 can be prevented with suitable controls, which are not the subject of the present invention and which are therefore not dealt with here, in order not to unnecessarily endanger the occupant. There may also be other situations in which the ignition of a secondary or further stage is omitted.
- FIG. 1 shows the state of the airbag device 1 before and after the ignition of the primary stage 3, labeled "0" and "I", respectively.
- the gas generated by the primary stage 3 flows through the flow path 6 into the airbag 5 and inflates it.
- the state of the airbag device 1 after the secondary stage 4 has been ignited is shown in FIG. 2 and labeled "TI”.
- 3 indicates the state in which a disposal stage 8 is ignited, which initially closes the flow path 7 for the gas from the secondary stage 4 and opens a disposal flow path 9 and then ignites the secondary stage 4 in a controlled manner, to safely discharge the gas thus obtained via the disposal flow path 9.
- Disposal level 8 is part of disposal facilities 10.
- the disposal stage or disposal ignition stage 8 is basically ignited a certain time after the ignition of the primary or secondary stage 3 or 4, for which purpose, for example, an electronic time delay control or generally delay devices 11 are installed for, for example, 2 seconds can, which also belongs to the disposal facilities 10.
- the sealing piston 12 also belongs to the disposal devices 10.
- the sealing piston 12 is brought into an end position (see FIG. 3) by the action of the disposal stage 8, in which position it moves the gas flow path 7 from the secondary stage 4 to the airbag 5 by closing the outlet opening 14 closes.
- the locking piston 12 thus represents locking devices 15 or interruption devices 16.
- an opening piston 18 is coupled, which, when the sealing piston 12 is acted upon by the disposal stage 8, also moves together with the sealing piston 12 in the channel 13 and thereby opens a disposal opening 19 in the channel 12.
- gas that can generate the secondary stage 4 can escape into the disposal flow path 9.
- the opening piston 18 thus represents diversion devices 20.
- the outlet opening 14 is closed and the disposal opening 19 is opened, the charge of the secondary stage 4 is ignited by means of, for example, a second squib of the disposal stage 8 by the time delay control 11 and the gas generated thereby is safely discharged through the disposal flow path 9.
- FIGS. 4 to 6 A second exemplary embodiment based on a driver airbag is shown in FIGS. 4 to 6.
- This airbag device 1 is housed in a steering wheel 20 and also contains a two-stage gas generator 2, which contains a primary stage 3 and a secondary stage 4, and an airbag 5.
- the primary stage 3 is ignited in the event of an accident, for example via a sensor-controlled controller (not shown).
- Can the airbag 5 For example, spread unhindered, the secondary stage 4 is ignited to fully inflate the airbag 5.
- the ignition of the secondary stage 4 can be carried out with suitable controls which are not the subject of the present invention and to which here is therefore not discussed further, in order not to endanger the occupants unnecessarily. There may also be other situations in which the ignition of a secondary or further stage is omitted.
- FIG. 4 shows the state of the airbag device 1 before and after the ignition of the primary stage 3, denoted by “0” or “I”.
- the gas generated by the primary stage 3 flows through the flow path 6 into the airbag 5 and inflates it.
- the state of the airbag device 1 after the ignition of the secondary stage 4 is shown in FIG. 5 and labeled "II”.
- the gas generated thereby passes along the flow path 7 into the airbag.
- 6 denotes the state in which a disposal stage 8 is ignited, which initially closes the flow path 7 for the gas from the secondary stage 4 and opens a disposal flow path 9 and then ignites the secondary stage 4 in a controlled manner, to safely discharge the gas thus obtained via the disposal flow path 9.
- a secondary stage 4 which has not been triggered is disposed of in the same way as in the first exemplary embodiment, so that in order to avoid mere repetition, reference is made to the corresponding description above.
- the disposal flow path 9 is passed through the steering column 21.
- the gas generator can have more than two stages, each of which is then not the next stage is automatically ignited by the disposal ignition provided in each case and is derived without damage.
- the invention is not restricted to triggering a harmless ignition of a subsequent stage of a multi-stage gas generator bypassing the airbag when the subsequent stage is not required. Instead of igniting unsuccessful subsequent stages, their ignition device can in particular be rendered permanently harmless or deactivated.
- a marking that is visible from outside the airbag device can be provided, which indicates that all stages of the gas generator have been triggered in order to enable people to recognize the harmlessness of the airbag device. For example, by releasing gas through the disposal flow path 9, a marker pen can be advanced to a safe location in the passenger compartment of a vehicle equipped with the air bag device and indicate the draw of all stages of the gas generator.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air Bags (AREA)
Abstract
Description
AIRBAGVORRICHTUNG MIT ENTSORGIJNGSE1NWCHTUNGEN UND BETRIEBSVERFAHREN DAFÜR AIRBAG DEVICE WITH DISPOSAL AND OPERATING METHODS THEREFOR
Beschreibungdescription
Die Erfindung betrifft eine Airbagvorrichtung sowie ein Betriebsverfahren dafür.The invention relates to an airbag device and an operating method therefor.
Airbags insbesondere in Kraftfahrzeugen sind heutzutage als Sicherheitseinrichtungen für deren Insassen weit verbreitet. Insbesondere sind mehrstufige Airbagvorrichtungen bekannt geworden, bei denen wenigstens eine zweite Stufe nur bei Bedarf oder dann zündet, wenn dadurch keine Gefahr für einen Insassen entsteht, weil er sich z.B. zu nahe an dem sich ausbreitenden und vorschiebenden Airbag befindet. Wird jedoch nach einer Zündung einer ersten Stufe eine Folgestufe nicht ausgelost, so verbleibt ein womöglich entsicherter Sprengsatz im Fahrzeug. Ein solcher Sprengsatz kann spater unkontrolliert explodieren und stellt damit eine Gefahr f r Insassen, Retter und Entsorger dar.Airbags, particularly in motor vehicles, are now widely used as safety devices for their occupants. In particular, multi-stage airbag devices have become known in which at least one second stage ignites only when required or when this does not pose a danger to an occupant because, e.g. is too close to the expanding and advancing airbag. However, if a subsequent stage is not triggered after a first stage has been ignited, a possibly unlocked explosive device remains in the vehicle. Such an explosive device can later explode in an uncontrolled manner and thus represents a danger for occupants, rescuers and disposal companies.
Die vorliegende Erfindung hat zum Ziel, eine Airbagvorrichtung sowie ein Betriebsverfahren dafür zu schaffen, die bei einer mehrstufigen Airbagvorrichtung Gefahren durch die Nichtzundung einer Folgestufe nach einer Primarstufe beseitigen.The aim of the present invention is to provide an airbag device and an operating method therefor which, in the case of a multi-stage airbag device, eliminate the dangers of not igniting a subsequent stage after a primary stage.
Dieses Ziel wird mit einer Airbagvorrichtung nach dem Anspruch 1 sowie einem Ausloseverfahren für eine Airbagvorrichtung nach dem Anspruch 7 erreicht.This goal is achieved with an airbag device according to claim 1 and a triggering method for an airbag device according to claim 7.
Erfindungsgemaß wird somit eine Airbagvorrichtung mit einem mehrstufigen Gasgenerator und einem Airbag geschaffen, der durch Aufblasen mit Gas aus dem Gasgenerator in Richtung auf eine Person hin vorschiebbar und/oder ausdehnbar ist, wobei der Gasgenerator eine im Fall eines Unfalls zundbare Primar- stufe sowie wenigstens eine Folgestufe enthalt, die wahlweise zundbar ist. Weiterhin sind Entsorgungseinrichtungen vorgese- hen, die zeitgesteuert eine unkontrollierte Zündung von nicht gezündeten Folgestufen verhindern.According to the invention, an airbag device with a multi-stage gas generator and an airbag is thus created, which is inflated with gas from the gas generator in the direction of a person can be advanced and / or expanded, the gas generator containing a primary level that can be ignited in the event of an accident and at least one subsequent level that can be optionally ignited. Disposal devices are also provided which, in a time-controlled manner, prevent uncontrolled ignition of non-ignited subsequent stages.
Bei einer bevorzugten Weiterbildung der Erfindung enthalten die Entsorgungseinrichtungen Verzogerungseinrichtungen, um die Entsorgungseinrichtungen nach einer vorgebbaren Zeitspanne ab dem Zünden der Primarstufe des Gasgenerators zu aktivieren. Alternativ oder zusatzlich kann vorgesehen sein, dass die Entsorgungseinrichtungen dazu ausgelegt sind, Zündeinrichtungen von zunächst nicht gezündete Folgestufen des Gasgenerators insbesondere dauerhaft zu deaktivieren.In a preferred development of the invention, the disposal devices contain delay devices in order to activate the disposal devices after a predeterminable period of time from the ignition of the primary stage of the gas generator. As an alternative or in addition, it can be provided that the disposal devices are designed to permanently deactivate ignition devices of subsequent stages of the gas generator that have not yet been ignited.
Weiterhin können die Entsorgungseinrichtungen vorzugsweise eine Entsorgungszündstufe enthalten, mittels der zunächst nicht gezündete Folgestufen des Gasgenerators kontrolliert gezündet werden und das mittels solcher zunächst nicht gezündete Folgestufen des Gasgenerators bei der kontrollierten Zündung durch die Entsorgungszundstufe erzeugte Gas an einem Eintritt in den Airbag gehindert wird.Furthermore, the disposal devices can preferably contain a disposal ignition stage, by means of which subsequent non-ignited subsequent stages of the gas generator are ignited in a controlled manner and the gas generated by such non-ignited subsequent stages of the gas generator during the controlled ignition by the disposal ignition stage is prevented from entering the airbag.
Eine vorzugsweise Fortbildung einer Airbagvorrichtung nach der Erfindung besteht darin, dass die Entsorgungseinrichtungen Verschlußeinrichtungen enthalten, um nach einer Aktivierung der Entsorgungseinrichtungen mittels der Verschlußeinrichtungen Gasstromungswege von zunächst nicht gezündeten Folgestufen des Gasgenerators zum Airbag zu verschließen, und/oder dass die Entsorgungseinrichtungen Unterbrechungseinrichtungen enthalten, um nach einer Aktivierung der Entsorgungseinrichtungen mittels der Unterbrechungseinrichtungen Gasstromungswege von zunächst nicht gezündeten Folgestufen des Gasgenerators zum Airbag zu unterbrechen, und/oder dass die Entsorgungseinrichtungen Umleitungseinrichtungen enthalten, um nach einer Aktivierung der Entsorgungseinrichtungen mittels der Umleitungs- einrichtungen eine potentielle Gasströmung von zunächst nicht gezündeten Folgestufen des Gasgenerators zum Airbag so umzuleiten, dass eine solche Gasstromung nicht zum Airbag gelangen kann.A preferred further development of an airbag device according to the invention is that the disposal devices contain closure devices in order, after activation of the disposal devices by means of the closure devices, to close gas flow paths from subsequent stages of the gas generator which have not yet been ignited to the airbag, and / or that the disposal devices contain interruption devices in order to an activation of the disposal devices by means of the interruption devices to interrupt gas flow paths from subsequent non-ignited subsequent stages of the gas generator to the airbag, and / or that the disposal devices contain diversion devices in order to activate the disposal devices by means of the diversion devices devices to divert a potential gas flow from initially uninitiated subsequent stages of the gas generator to the airbag in such a way that such gas flow cannot reach the airbag.
Bevorzugt läßt sich die Erfindung dadurch weiterbilden, dass die Verschlußeinrichtungen, Unterbrechungseinrichtungen und/oder Umleitungseinrichtungen Kanäle und Kolben enthalten, und dass die Entsorgungszundstufe die Kolben so beaufschlagt, dass Gas von zunächst nicht gezündete Folgestufen des Gasgenerators bei einer zufälligen oder kontrollierten Zündung solcher Folgestufen durch die Kolben an einem Eintritt in den Airbag gehindert und durch die Kanäle abgeleitet wird.The invention can preferably be further developed by the fact that the closure devices, interruption devices and / or bypass devices contain channels and pistons, and that the disposal ignition stage acts on the pistons in such a way that gas from subsequent stages of the gas generator which have not yet been ignited upon accidental or controlled ignition of such subsequent stages by the Piston prevented from entering the airbag and is discharged through the channels.
Verfahrensmäßig wird das von der Erfindung angestrebte Ziel dadurch erreicht, dass bei einem Betriebsverfahren für eine Airbagvorrichtung mit einem mehrstufigen Gasgenerator und einem Airbag, der durch Aufblasen in Richtung auf eine Person hin vorschiebbar und/oder ausdehnbar ist, wobei der Gasgenera- tor eine im Fall eines Unfalls zündbare Primärstufe sowie wenigstens eine Folgestufe enthält, die wahlweise zündbar ist, eine unkontrollierte Zündung von nicht gezündeten Folgestufen nach einem vorgebbaren Zeitablauf verhindert wird.In terms of the method, the aim aimed at by the invention is achieved in that, in an operating method for an airbag device with a multi-stage gas generator and an airbag, which can be advanced and / or expanded in the direction of a person by being inflated, the gas generator being one in the case contains an ignitable primary stage as well as at least one subsequent stage, which is optionally ignitable, an uncontrolled ignition of non-ignited subsequent stages is prevented after a predefinable timeout.
Als eine Alternative im Rahmen der Erfindung kann dies dadurch realisiert werden, dass nicht gezündete Folgestufen nach einem vorgebbaren Zeitablauf insbesondere dauerhaft deaktiviert werden. In Kombination damit oder statt dessen ist es auch möglich, nicht gezündete Folgestufen nach einem vorgebbaren Zeitablauf kontrolliert zu zünden und das mittels solcher zunächst nicht gezündete Folgestufen des Gasgenerators bei der kontrollierten Zündung durch die Entsorgungszundstufe erzeugte Gas an einem Eintritt in den Airbag zu hindern.As an alternative within the scope of the invention, this can be realized in that non-ignited subsequent stages are deactivated, in particular permanently, after a predefinable timeout. In combination with this or instead, it is also possible to fire non-ignited subsequent stages in a controlled manner after a predeterminable period of time and to prevent the gas generated by such non-ignited subsequent stages of the gas generator from entering the airbag during the controlled ignition by the disposal ignition stage.
Bei dem erfindungsgemäßen Betriebsverfahren für eine Airbagvorrichtung ist ferner mit Vorzug vorgesehen, dass nach einem vorgebbaren Zeitablauf Gasstromungswege von zunächst nicht ge- zündeten Folgestufen des Gasgenerators zum Airbag verschlossen werden, und/oder dass nach einem vorgebbaren Zeitablauf Gasstromungswege von zunächst nicht gez ndeten Folgestufen des Gasgenerators zum Airbag unterbrochen werden, und/oder dass nach einem vorgebbaren Zeitablauf eine potentielle Gasstromung von zunächst nicht gezündeten Folgestufen des Gasgenerators zum Airbag so umgeleitet werden, dass eine solche Gasstromung nicht zum Airbag gelangen kann.In the case of the operating method according to the invention for an airbag device, it is also preferably provided that gas flow paths of initially not ignited subsequent stages of the gas generator are closed to form the airbag, and / or that after a predeterminable timeout gas flow paths from subsequent stages of the gas generator to the airbag which are not yet ignited are interrupted, and / or that after a predeterminable timeout, a potential gas flow from subsequent stages of the gas generator which have not yet been ignited to Airbag are redirected so that such gas flow cannot reach the airbag.
Eine vorzugsweise Weiterbildung der vorstehend angegebenenA preferred development of the above
Ausfuhrung besteht darin, dass zum Verschließen oder Unterbrechen von Gasstromungswegen von zunächst nicht gezündeten Folgestufen des Gasgenerators zum Airbag oder Umleiten einer potentiellen Gasstromung von zunächst nicht gezündeten Folgestu- fen des Gasgenerators zum Airbag mittels der kontrolliertenImplementation consists in that for closing or interrupting gas flow paths from subsequent stages of the gas generator which have not yet been ignited to the airbag or bypassing a potential gas flow from subsequent stages of the gas generator to the airbag which have not yet been ignited by means of the controlled
Entsorgungszundung Kolben beaufschlagt werden und dadurch entsprechende Gasstromungswege über Kanäle steuern.Disposal ignition pistons are applied and thereby control the corresponding gas flow paths via channels.
Weitere bevorzugte und vorteilhafte Ausgestaltungen ergeben sich aus Kombinationen der abhangigen Ansprüche sowie aus dem gesamten Offenbarungsgehalt der vorliegenden Unterlagen.Further preferred and advantageous configurations result from combinations of the dependent claims and from the entire disclosure content of the present documents.
Anhand der nachfolgend beschriebenen und in den Zeichnungen dargestellten Ausfuhrungs- und Anwendungsbeispiele wird die Erfindung naher erläutert.The invention is explained in more detail with reference to the exemplary embodiments and application examples described below and shown in the drawings.
Fig. 1 zeigt schematisch ein erstes Ausfuhrungsbeispiel einer Airbagvorrichtung mit zweistufigem Gasgenerator vor (linke Bildhalfte) und nach Zündung (rechte Bildhalfte) der ersten Stufe im Querschnitt,1 shows schematically a first exemplary embodiment of an airbag device with a two-stage gas generator before (left half of the picture) and after ignition (right half of the picture) the cross section of the first step,
Fig. 2 zeigt schematisch das Ausfuhrungsbeispiel der Airbagvorrichtung von Fig. 1 mit zweistufigem Gasgenerator nach Zündung der zweiten Stufe im Querschnitt, Fig. 3 zeigt schematisch das Ausführungsbeispiel der Airbagvorrichtung von Fig. 1 mit zweistufigem Gasgenerator nach Zündung einer Entsorgungsstufe im Querschnitt,2 shows schematically the exemplary embodiment of the airbag device from FIG. 1 with a two-stage gas generator after ignition of the second stage in cross section, 3 shows a schematic cross section of the exemplary embodiment of the airbag device from FIG. 1 with a two-stage gas generator after ignition of a disposal stage,
Fig. 4 zeigt schematisch ein zweites Ausführungsbeispiel einer Airbagvorrichtung mit zweistufigem Gasgenerator vor (linke Bildhälfte) und nach Zündung (rechte Bildhälfte) der ersten Stufe im Querschnitt,4 schematically shows a second exemplary embodiment of an airbag device with a two-stage gas generator before (left half of the picture) and after ignition (right half of the picture) the cross section of the first step,
Fig. 5 zeigt schematisch das Ausführungsbeispiel der Airbagvorrichtung von Fig. 4 mit zweistufigem Gasgenerator nach Zündung der zweiten Stufe im Querschnitt, undFig. 5 shows schematically the embodiment of the airbag device of Fig. 4 with a two-stage gas generator after ignition of the second stage in cross section, and
Fig. 6 zeigt schematisch das Ausführungsbeispiel der Airbag- Vorrichtung von Fig. 4 mit zweistufigem Gasgenerator nach Zündung einer Entsorgungsstufe im Querschnitt.Fig. 6 shows schematically the embodiment of the airbag device of Fig. 4 with a two-stage gas generator after ignition of a disposal stage in cross section.
Gleiche Bezugszeichen in den einzelnen Figuren und Abbildungen der Zeichnungen bezeichnen gleiche oder ähnliche oder gleich oder ähnlich wirkende Komponenten. Anhand der Darstellungen in der Zeichnung werden auch solche Merkmale deutlich, die nicht mit Bezugszeichen versehen sind, unabhängig davon, ob solche Merkmale nachfolgend beschrieben sind oder nicht. Andererseits sind auch Merkmale, die in der vorliegenden Beschreibung ent- halten, aber nicht in der Zeichnung sichtbar oder dargestellt sind, ohne weiteres für einen Fachmann verständlich.Identical reference symbols in the individual figures and illustrations of the drawings denote identical or similar or identically or similarly acting components. Features that are not provided with reference numerals also become clear on the basis of the representations in the drawing, regardless of whether such features are described below or not. On the other hand, features which are contained in the present description but which are not visible or shown in the drawing are also readily understandable for a person skilled in the art.
Die Fig. 1 bis 3 zeigen als ein erstes Ausführungsbeispiel eine Airbagvorrichtung 1 für einen Beifahrerbag, mit einem zwei- stufigen Gasgenerator 2, der eine Primärstufe 3 und eine Sekundärstufe 4 enthält, und einem Airbag 5. Die Primärstufe 3 wird bei einem Unfall beispielsweise über eine sensorgesteuerte Steuerung (nicht gezeigt) gezündet. Kann sich der Airbag 5 z.B. ungehindert ausbreiten, so wird die Sekundärstufe 4 zum vollständigen Aufblasen des Airbags 5 gezündet. Tritt jedoch bereits beim Ausbreiten des Airbags 5 mit dem Gas aus der Primärstufe 3 ein Hindernis auf, wie beispielsweise der Kopf ei- nes Insassen, so kann die Zündung der Sekundarstufe 4 mit geeigneten Steuerungen, die nicht Gegenstand der vorliegenden Erfindung sind und auf die hier daher nicht weiter eingegangen wird, verhindert werden, um den Insassen nicht unnötig zu ge- fahrden. Es kann auch noch andere Situationen geben, in denen die Zündung einer Sekundär- oder weiteren Stufe unterbleibt.1 to 3 show as a first embodiment an airbag device 1 for a passenger bag, with a two-stage gas generator 2, which contains a primary stage 3 and a secondary stage 4, and an airbag 5. The primary stage 3 is, for example, in the event of an accident a sensor-controlled control (not shown) ignited. If the airbag 5 can spread freely, for example, the secondary stage 4 is ignited to inflate the airbag 5 completely. If, however, an obstacle already occurs when the airbag 5 is spreading with the gas from the primary stage 3, such as the head If the occupant, the ignition of the secondary stage 4 can be prevented with suitable controls, which are not the subject of the present invention and which are therefore not dealt with here, in order not to unnecessarily endanger the occupant. There may also be other situations in which the ignition of a secondary or further stage is omitted.
Diese Nichtauslosung der Sekundarstufe 4 bereitet jedoch ein Problem z.B. bei der Entsorgung der somit nur teilweise ausge- losten Airbagvorrichtung 1. Eine aufwendige Losung, die aus der Praxis bekannt wurde, besteht darin, daß die Sekundarstu e 4 der Airbagvorrichtung 1 von geschultem Personal in speziellen Vorrichtungen (nochmals) gezündet wird. Dies ist jedoch bis zur derartigen Entsorgung gefahrlich, und auch diese Art der Entsorgung selbst ist gefahrlich und aufwendig.However, this non-draw at secondary level 4 poses a problem e.g. in the disposal of the airbag device 1, which is therefore only partially triggered. A complex solution, which has become known in practice, consists in the secondary stage 4 of the airbag device 1 being ignited (again) by trained personnel in special devices. However, this is dangerous until such disposal, and this type of disposal itself is dangerous and expensive.
In der Fig. 1 ist der Zustand der Airbagvorrichtung 1 vor und nach der Zündung der Primarstufe 3, bezeichnet mit "0" bzw. "I", dargestellt. Das mittels der Primarstufe 3 erzeugte Gas strömt über den Stromungsweg 6 in den Airbag 5 und blast ihn auf. Der Zustand der Airbagvorrichtung 1 nach Zündung der Sekundarstufe 4 ist in der Fig. 2 gezeigt und mit "TI" bezeichnet. Das dadurch erzeugte Gas gelangt längs des Stromungsweges 7 in den Airbag. Mit "III" in der Fig. 3 ist der Zustand ge- kennzeichnet, in dem eine Entsorgungsstufe 8 gezündet ist, die zunächst den Stromungsweg 7 für das Gas von der Sekundarstufe 4 verschließt und einen Entsorgungsstromungsweg 9 öffnet sowie danach die Sekundarstufe 4 kontrolliert zündet, um das dadurch erhaltene Gas über den Entsorgungsstromungsweg 9 gefahrlos ab- zuleiten. Die Entsorgungsstufe 8 ist Bestandteil von Entsorgungseinrichtungen 10.1 shows the state of the airbag device 1 before and after the ignition of the primary stage 3, labeled "0" and "I", respectively. The gas generated by the primary stage 3 flows through the flow path 6 into the airbag 5 and inflates it. The state of the airbag device 1 after the secondary stage 4 has been ignited is shown in FIG. 2 and labeled "TI". The gas generated thereby passes along the flow path 7 into the airbag. 3 indicates the state in which a disposal stage 8 is ignited, which initially closes the flow path 7 for the gas from the secondary stage 4 and opens a disposal flow path 9 and then ignites the secondary stage 4 in a controlled manner, to safely discharge the gas thus obtained via the disposal flow path 9. Disposal level 8 is part of disposal facilities 10.
Die Entsorgungsstufe oder Entsorgungszundstufe 8 wird grundsatzlich eine gewisse Zeit nach der Zündung der Primär- oder Sekundärstufe 3 bzw. 4 gezündet, wozu beispielsweise eine elektronische Zeitverzogerungssteuerung oder allgemein Verzogerungseinrichtungen 11 für z.B. 2 Sekunden installiert sein kann, die ebenfalls zu den Entsorgungseinrichtungen 10 gehört. Die Entsorgungsstufe 8, die beispielsweise nur eine Zündpille enthalten kann, beaufschlagt einen Verschlußkolben 12 in einem Kanal 13, in den die Sekundärstufe 4 mittels einer Auslaßöff- nung 14 mündet und der Bestandteil des Gasströmungsweges 7 von der Sekundärstufe 4 zum Airbag 5 ist. Auch der Verschlußkolben 12 gehört zu den Entsorgungseinrichtungen 10. Der Verschlußkolben 12 wird durch die Beaufschlagung von der Entsorgungsstufe 8 in eine Endstellung (siehe Fig. 3) gebracht, in der er den Gasströmungsweg 7 von der Sekundärstufe 4 zum Airbag 5 durch Verschließen der Auslaßöffnung 14 verschließt. Der Verschlußkolben 12 stellt somit Verschlußeinrichtungen 15 oder Unterbrechungseinrichtungen 16 dar.The disposal stage or disposal ignition stage 8 is basically ignited a certain time after the ignition of the primary or secondary stage 3 or 4, for which purpose, for example, an electronic time delay control or generally delay devices 11 are installed for, for example, 2 seconds can, which also belongs to the disposal facilities 10. The disposal stage 8, which can contain only one squib, for example, acts on a sealing piston 12 in a channel 13, into which the secondary stage 4 opens by means of an outlet opening 14 and is part of the gas flow path 7 from the secondary stage 4 to the airbag 5. The sealing piston 12 also belongs to the disposal devices 10. The sealing piston 12 is brought into an end position (see FIG. 3) by the action of the disposal stage 8, in which position it moves the gas flow path 7 from the secondary stage 4 to the airbag 5 by closing the outlet opening 14 closes. The locking piston 12 thus represents locking devices 15 or interruption devices 16.
An den Verschlußkolben 12 ist z.B. mittels einer Kolbenstange 17 ein Öffnungskolben 18 gekoppelt, der sich bei Beaufschlagung des Verschlußkolbens 12 durch die Entsorgungsstufe 8 zusammen mit dem Verschlußkolben 12 ebenfalls in dem Kanal 13 bewegt und dadurch eine Entsorgungsöffnung 19 in dem Kanal 12 freigibt. Dadurch kann Gas, das die Sekundärstufe 4 erzeugen kann, in den Entsorgungsstromungsweg 9 austreten. Der Öffnungskolben 18 stellt somit Umleitungseinrichtungen 20 dar.On the locking piston 12 is e.g. by means of a piston rod 17, an opening piston 18 is coupled, which, when the sealing piston 12 is acted upon by the disposal stage 8, also moves together with the sealing piston 12 in the channel 13 and thereby opens a disposal opening 19 in the channel 12. As a result, gas that can generate the secondary stage 4 can escape into the disposal flow path 9. The opening piston 18 thus represents diversion devices 20.
Nunmehr wird, wenn die Auslaßöffnung 14 verschlossen und die Entsorgungsöffnung 19 geöffnet ist, mittels beispielsweise einer zweiten Zündpille der Entsorgungsstufe 8 durch die Zeitverzögerungssteuerung 11 die Ladung der Sekundärstufe 4 gezündet und das dadurch erzeugte Gas durch den Entsorgungsstromungsweg 9 gefahrlos abgeleitet.Now, when the outlet opening 14 is closed and the disposal opening 19 is opened, the charge of the secondary stage 4 is ignited by means of, for example, a second squib of the disposal stage 8 by the time delay control 11 and the gas generated thereby is safely discharged through the disposal flow path 9.
Ein zweites Ausführungsbeispiel anhand eines Fahrerairbags ist in den Fig. 4 bis 6 gezeigt. Diese Airbagvorrichtung 1 ist in einem Lenkrad 20 untergebracht und enthält ebenfalls einen zweistufigen Gasgenerator 2, der eine Primärstufe 3 und eine Sekundärstufe 4 enthält, und einen Airbag 5. Die Primärstufe 3 wird bei einem Unfall beispielsweise über eine sensorgesteuerte Steuerung (nicht gezeigt) gezündet. Kann sich der Airbag 5 z.B. ungehindert ausbreiten, so wird die Sekundärstufe 4 zum vollständigen Aufblasen des Airbags 5 gezündet. Tritt jedoch bereits beim Ausbreiten des Airbags 5 mit dem Gas aus der Primärstufe 3 ein Hindernis auf, wie beispielsweise der Kopf ei- nes Insassen, so kann die Zündung der Sekundärstufe 4 mit geeigneten Steuerungen, die nicht Gegenstand der vorliegenden Erfindung sind und auf die hier daher nicht weiter eingegangen wird, verhindert werden, um den Insassen nicht unnötig zu gefährden. Es kann auch noch andere Situationen geben, in denen die Zündung einer Sekundär- oder weiteren Stufe unterbleibt.A second exemplary embodiment based on a driver airbag is shown in FIGS. 4 to 6. This airbag device 1 is housed in a steering wheel 20 and also contains a two-stage gas generator 2, which contains a primary stage 3 and a secondary stage 4, and an airbag 5. The primary stage 3 is ignited in the event of an accident, for example via a sensor-controlled controller (not shown). Can the airbag 5 For example, spread unhindered, the secondary stage 4 is ignited to fully inflate the airbag 5. However, if an obstacle already occurs when the airbag 5 is being expanded with the gas from the primary stage 3, such as the head of an occupant, the ignition of the secondary stage 4 can be carried out with suitable controls which are not the subject of the present invention and to which here is therefore not discussed further, in order not to endanger the occupants unnecessarily. There may also be other situations in which the ignition of a secondary or further stage is omitted.
In der Fig. 4 ist der Zustand der Airbagvorrichtung 1 vor und nach der Zündung der Primärstufe 3, bezeichnet mit "0" bzw. "I", dargestellt. Das mittels der Primärstufe 3 erzeugte Gas strömt über den Strömungsweg 6 in den Airbag 5 und bläst ihn auf. Der Zustand der Airbagvorrichtung 1 nach Zündung der Sekundärstufe 4 ist in der Fig. 5 gezeigt und mit "II" bezeichnet. Das dadurch erzeugte Gas gelangt längs des Strömungsweges 7 in den Airbag. Mit "III" in der Fig. 6 ist der Zustand ge- kennzeichnet, in dem eine Entsorgungsstufe 8 gezündet ist, die zunächst den Strömungsweg 7 für das Gas von der Sekundarstufe 4 verschließt und einen Entsorgungsstromungsweg 9 öffnet sowie danach die Sekundärstufe 4 kontrolliert zündet, um das dadurch erhaltene Gas über den Entsorgungsstromungsweg 9 gefahrlos ab- zuleiten.4 shows the state of the airbag device 1 before and after the ignition of the primary stage 3, denoted by “0” or “I”. The gas generated by the primary stage 3 flows through the flow path 6 into the airbag 5 and inflates it. The state of the airbag device 1 after the ignition of the secondary stage 4 is shown in FIG. 5 and labeled "II". The gas generated thereby passes along the flow path 7 into the airbag. 6 denotes the state in which a disposal stage 8 is ignited, which initially closes the flow path 7 for the gas from the secondary stage 4 and opens a disposal flow path 9 and then ignites the secondary stage 4 in a controlled manner, to safely discharge the gas thus obtained via the disposal flow path 9.
Die Entsorgung einer nicht ausgelösten Sekundärstufe 4 erfolgt genauso, wie beim ersten Ausführungsbeispiel, so dass zur Vermeidung bloßer Wiederholungen auf die entsprechende Beschrei- bung oben Bezug genommen wird. Wie der Darstellung der Fig. 6 zu entnehmen ist, wird der Entsorgungsstromungsweg 9 durch die Lenksäule 21 geleitet.A secondary stage 4 which has not been triggered is disposed of in the same way as in the first exemplary embodiment, so that in order to avoid mere repetition, reference is made to the corresponding description above. As can be seen from the illustration in FIG. 6, the disposal flow path 9 is passed through the steering column 21.
Die vorliegende Erfindung ist nicht auf die Merkmale be- schränkt, die im Zusammenhang mit den Ausführungsbeispielen erklärt und dargestellt sind. Beispielsweise kann der Gasgenerator mehr als zwei Stufen haben, wobei dann jede nichtausge- loste Folgestufe automatisch durch die in jedem Fall vorgesehene Entsorgungszundung gezündet und schadlos abgeleitet wird. Die Erfindung ist insbesondere auch nicht darauf beschrankt, eine schadlose Zündung einer Folgestufe eines mehrstufigen Gasgenerators unter Umgehung des Airbags bei Nichtbenotigung der Folgestufe auszulosen. Statt unausgeloste Folgestufen zu zünden, kann auch deren Zündeinrichtung insbesondere dauerhaft unschädlich gemacht oder deaktiviert werden. Weiterhin kann eine von außerhalb der Airbagvorrichtung sichtbare Markierung vorgesehen sein, die angibt, dass alle Stufen des Gasgerators ausgelost sind, um Personen in die Lage zu versetzen, die Unschädlichkeit der Airbagvorrichtung zu erkennen. Beispielsweise kann durch die Entlassung von Gas durch den Entsorgungsstromungsweg 9 ein Markierungsstift an einer ungefährlichen Stelle in den Fahrgastraum eines Fahrzeuges, das mit der Airbagvorrichtung ausgestattet ist, vorgeschoben werden und die Auslosung aller Stufen des Gasgenerators anzeigen.The present invention is not restricted to the features which are explained and illustrated in connection with the exemplary embodiments. For example, the gas generator can have more than two stages, each of which is then not the next stage is automatically ignited by the disposal ignition provided in each case and is derived without damage. In particular, the invention is not restricted to triggering a harmless ignition of a subsequent stage of a multi-stage gas generator bypassing the airbag when the subsequent stage is not required. Instead of igniting unsuccessful subsequent stages, their ignition device can in particular be rendered permanently harmless or deactivated. Furthermore, a marking that is visible from outside the airbag device can be provided, which indicates that all stages of the gas generator have been triggered in order to enable people to recognize the harmlessness of the airbag device. For example, by releasing gas through the disposal flow path 9, a marker pen can be advanced to a safe location in the passenger compartment of a vehicle equipped with the air bag device and indicate the draw of all stages of the gas generator.
Die vorstehenden und in den Zeichnungen wiedergegebenen Merk- male und Merkmalskombinationen des Ausfuhrungsbeispiels dienen lediglich der exemplarischen Verdeutlichung der Erfindung und nicht deren Beschrankung. Der Offenbarungsumfang der vorliegenden gesamten Unterlagen ist durch das bestimmt, was für den Fachmann ohne weiteres in den Ansprüchen, aber auch aus der Beschreibung, der Zeichnung und den vollständigen Inhalten der durch Bezugnahme aufgenommenen Voranmeldungen der vorliegenden Anmelderin entnehmbar ist. Insbesondere umfasst die Erfindung ferner alle Variationen, Modifikationen und Substitutionen, die der Fachmann dem gesamten Offenbarungsumfang der vorlie- genden Unterlagen entnehmen kann. Insbesondere sind alle einzelnen Merkmale und Ausgestaltungsmoglichkeiten der Erfindung und ihrer Ausfuhrungsbeispiele kombinierbar. The above features and combinations of features of the exemplary embodiment shown in the drawings serve only to illustrate the invention by way of example and not to restrict it. The scope of disclosure of the present entire documents is determined by what is readily apparent to the person skilled in the art from the claims, but also from the description, the drawing and the complete contents of the prior applications of the present applicant incorporated by reference. In particular, the invention also includes all variations, modifications and substitutions which the person skilled in the art can see from the entire scope of disclosure of the present documents. In particular, all individual features and design options of the invention and its exemplary embodiments can be combined.
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10081359T DE10081359D2 (en) | 1999-05-24 | 2000-05-24 | Airbag device with disposal facilities and operating methods therefor |
| AU59626/00A AU5962600A (en) | 1999-05-24 | 2000-05-24 | Airbag device with deactivation devices and operating method thereof |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE29908946.0 | 1999-05-24 | ||
| DE29908946 | 1999-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2000071392A1 true WO2000071392A1 (en) | 2000-11-30 |
Family
ID=8073803
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2000/001641 Ceased WO2000071391A1 (en) | 1999-05-24 | 2000-05-24 | Airbag device and release method thereof |
| PCT/DE2000/001642 Ceased WO2000071392A1 (en) | 1999-05-24 | 2000-05-24 | Airbag device with deactivation devices and operating method thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2000/001641 Ceased WO2000071391A1 (en) | 1999-05-24 | 2000-05-24 | Airbag device and release method thereof |
Country Status (3)
| Country | Link |
|---|---|
| AU (2) | AU5962600A (en) |
| DE (3) | DE10081358D2 (en) |
| WO (2) | WO2000071391A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10131056A1 (en) | 2000-06-29 | 2002-05-02 | Volkswagen Ag | Airbag device has flap that is held in opening by engagement elements on only one side and locking elements released when airbag is triggered so that flap moves to open position behind cladding |
| US6857655B2 (en) | 2001-02-06 | 2005-02-22 | Volkswagen Ag | Airbag apparatus and mounting and operating method for same |
| ATE389566T1 (en) | 2001-12-03 | 2008-04-15 | Inova Gmbh Tech Entwicklungen | AIRBAG DEVICE AND OPERATING METHOD THEREOF |
| DE10241048B4 (en) | 2002-08-30 | 2004-07-08 | Takata-Petri Ag | Switching device for a vehicle horn |
| WO2005028263A2 (en) | 2003-09-16 | 2005-03-31 | Inova Gmbh | Airbag device and operating method for said device |
| EP1800973B1 (en) * | 2005-12-20 | 2008-10-29 | Key Safety Systems, Inc. | Inflator having a variable gas flow throttle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29708380U1 (en) * | 1997-05-09 | 1997-09-04 | TRW Occupant Restraint Systems GmbH, 73553 Alfdorf | Gas generator |
| EP0901946A1 (en) * | 1997-09-12 | 1999-03-17 | Livbag S.N.C. | Adaptable pyrotechnic gasgenerator for a safety bag with neutralisation device |
| EP0943502A1 (en) * | 1998-03-17 | 1999-09-22 | Takata Corporation | Airbag inflator |
| EP0965499A1 (en) * | 1998-06-19 | 1999-12-22 | TRW Airbag Systems GmbH & Co. KG | Method for operating a vehicle occupant restraint system and device for carrying out this method |
| US6019389A (en) * | 1998-03-31 | 2000-02-01 | Trw Vehicle Safety Systems Inc. | Air bag inflator |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3924500C1 (en) * | 1989-07-25 | 1990-12-20 | Bayern-Chemie Gesellschaft Fuer Flugchemische Antriebe Mbh, 8261 Aschau, De | |
| US5366242A (en) * | 1993-11-01 | 1994-11-22 | Trw Vehicle Safety Systems Inc. | Apparatus for controlling inflation of an air bag |
| DE19541798A1 (en) * | 1995-11-09 | 1997-05-15 | Temic Bayern Chem Airbag Gmbh | Gas generator with regulation of the propellant gas flow path and method for its operation |
| AU4856896A (en) * | 1996-01-19 | 1997-08-11 | Barney Klinger | Gas pressure restraint, sensing and release systems |
-
2000
- 2000-05-24 AU AU59626/00A patent/AU5962600A/en not_active Abandoned
- 2000-05-24 DE DE10081358T patent/DE10081358D2/en not_active Expired - Fee Related
- 2000-05-24 DE DE10025417A patent/DE10025417A1/en not_active Ceased
- 2000-05-24 WO PCT/DE2000/001641 patent/WO2000071391A1/en not_active Ceased
- 2000-05-24 DE DE10081359T patent/DE10081359D2/en not_active Expired - Fee Related
- 2000-05-24 WO PCT/DE2000/001642 patent/WO2000071392A1/en not_active Ceased
- 2000-05-24 AU AU59625/00A patent/AU5962500A/en not_active Abandoned
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29708380U1 (en) * | 1997-05-09 | 1997-09-04 | TRW Occupant Restraint Systems GmbH, 73553 Alfdorf | Gas generator |
| EP0901946A1 (en) * | 1997-09-12 | 1999-03-17 | Livbag S.N.C. | Adaptable pyrotechnic gasgenerator for a safety bag with neutralisation device |
| EP0943502A1 (en) * | 1998-03-17 | 1999-09-22 | Takata Corporation | Airbag inflator |
| US6019389A (en) * | 1998-03-31 | 2000-02-01 | Trw Vehicle Safety Systems Inc. | Air bag inflator |
| EP0965499A1 (en) * | 1998-06-19 | 1999-12-22 | TRW Airbag Systems GmbH & Co. KG | Method for operating a vehicle occupant restraint system and device for carrying out this method |
Also Published As
| Publication number | Publication date |
|---|---|
| DE10081358D2 (en) | 2002-06-06 |
| WO2000071391A1 (en) | 2000-11-30 |
| DE10025417A1 (en) | 2000-11-30 |
| DE10081359D2 (en) | 2002-05-29 |
| AU5962500A (en) | 2000-12-12 |
| AU5962600A (en) | 2000-12-12 |
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