Abstract: A vehicle cabin having a vehicle seat is provided and the vehicle seat is aligned in a frontal direction. An instrument panel extends on the front side toward the vehicle seat and forms a foot well in the perpendicular projection onto a projection plane that is defined by a vehicle floor or sections thereof. A leg space extends between the foot well and the vehicle seat, and an airbag system is provided that is integrated at least in sections in the instrument panel and which has a prebag and an airbag. In the inflated state, the airbag is supported on the prebag. In the projection plane, the leg space in the frontal direction is at least twice as long, preferably at least three times as long as the foot well.

Abstract: An inflator bottle adapted for controlled release of product gas to deploy an inflatable cushion and a method thereof is provided. The inflator bottle comprises a compartment filled with a combustible gas mixture having a partition that divides the compartment into a first region and a second region. Upon a crash event, an igniter on the inflator bottle ignites initiating combustion in the first region. Combustion propagates in the first region toward a nozzle building pressure in the first region sufficient to rupture a burst disk over the passage of the nozzle releasing product gas through the nozzle. The release of product gas through the nozzle draws combustible gas mixture from the second region flowing through the gas portal on the partition into the first region for combustion.

Abstract: A gas generator assembly for a motor vehicle is provided. The gas generator assembly having a gas generator which is designed to provide gas to inflate in airbag after the gas generator is activated, a filter for filtering gases provided by the gas generator and a device which is designed to release a fluid so that said fluid comes into contact with the filter. The device is designed to release the fluid at a point in time which can be pre-defined and which is independent of the point in time of the activation of the gas generator.

Abstract: A dual stage inflator device including a housing defining first and second chamber each containing a quantity of gas generant material ignitable to produce combustion products. A divider plate, separating the first chamber from the second chamber, is disposed and fixed within the housing. The divider plate includes an opening to allow gas flow communication from the second chamber to the first chamber. A removable plug element is normally disposed in the divider plate opening to prevent gas flow communication between the first chamber and the second chamber when in a static state.

Abstract: A gas generation device includes an elongated housing and an ignitor tube. The elongated housing defines a generant bed. The ignitor tube is disposed within the housing and extends at least substantially along the entire length of the generant bed. The ignitor tube defines an unobstructed path for ignitor gases to travel into the generant bed. The ignitor tube is constructed of a consumable material.

Abstract: An example airbag assembly includes an airbag having an airbag opening and a duct adjacent the airbag opening. A tether is configured to move the duct between a first position and a second position. The duct communicates a first flow from the duct through the airbag opening in the first position. The duct communicates a second flow from the duct through the airbag opening in the second position. The first flow is greater than the second flow.

Abstract: An airbag module for a motor vehicle includes a gas sack that can be inflated with gas to protect an occupant, a gas generator for generating the gas provided for inflating the gas sack, and an additional cooling device comprising an openable reservoir for storing a coolant. The reservoir is opened when the gas sack is inflated, so that the coolant for cooling the gas used to inflate the gas sack can come into contact with the gas. The cooling device comprises a movement generating device that opens the reservoir to release the coolant.

Abstract: An airbag apparatus includes a gas generator that generates gas, and an airbag inflated and deployed by the gas supplied from the gas generator. The airbag restrains an occupant in a first state in which the occupant's chin is positioned on the airbag apparatus or the occupant in a second state in which the occupant's chin is positioned on a steering wheel. The airbag includes one main exhaust port, a vent cover provided to cover the one main exhaust port, and at least one sub exhaust port without a vent cover. The sub exhaust port exhausts the gas without using the main exhaust port in a state in which the vent cover blocks the main exhaust port due to a folded state of the airbag in an initial stage of an inflating and deploying operation performed to restrain the occupant in the first state or in the second state.

Abstract: An airbag device for a vehicle including at least one airbag housing interface chamber that attaches to an airbag housing; at least one airbag cushion chamber downstream of the at least one interface chamber; an elbow that fluidly connects the housing interface chamber with the cushion chamber and configured so that it controllably regulates gas flow into the at least one airbag cushion chamber; the elbow having an internal configuration, which includes at least one opening that permits back and forth gas flow between the elbow and the at least one airbag cushion chamber, and which controls the directional deployment of the airbag cushion chamber so that upon deployment the downstream end of the cushion chamber exits an airbag housing outwardly in a first direction and then in at least one second direction, so that the direction of deployment of the cushion chamber changes in direction to thereby wrap at least partially around a structure of a vehicle of the vehicle and at least temporarily interpose the cush

Abstract: An inflator capable of directing inflation gas into the cushion of an airbag module is thrust neutral during shipping, handling and installation. The inflator's thrust-neutral feature can be rendered inoperable for use with the airbag module. A thrust-balancing portion of the inflator has a circumferentially continuous sidewall that encloses an elongated passageway and has a proximal end configured to receive inflation gas from the inflator and a distal end configured to release a primary portion of the inflation gas into the cushion. In the event of unintended discharge during shipping or handling, an elongated secondary discharge aperture formed through the sidewall releases to the exterior of the thrust-balancing portion a secondary portion of the inflation gas that imposes thrust on the inflator directed oppositely from thrust imposed by release of the primary portion of the inflation gas stabilizing the inflator during shipping, handling and installation.

Abstract: A gas generator comprising a housing having a mixing chamber and a pyrotechnic charge in the housing. A container having a liquid therein is disposed in the housing and has an open end and a closed end, with an end cap closing the open end and having a piston portion removably connected thereto and being movable within the liquid container to pressurize the liquid therein when the piston portion is separated from the end cap. The piston portion is positioned to be exposed to combustion gas from the pyrotechnic charge when it is ignited and is separable from the end cap when the combustion gas exceeds a predetermined pressure. In another embodiment, the liquid container may be a collapsible tube. The closed end of the liquid container has a weakened portion constructed to be opened when the pressure of the liquid in the container exceeds a predetermined pressure.

Abstract: An inflator as well as a method of manufacturing an inflator, a module including an inflator and an airbag module. In an inflator, especially for a protective device in a vehicle, comprising plural components a sealant is applied in the area of abutting components, especially a sealant which adheres to both abutting components.

Abstract: In accordance with the present invention, a flexible gas generator (10) is provided which includes a first flexible housing (14) defining an interior, the first housing (14) having an exterior surface. A first flexible, porous covering (15) is positioned in contact with substantially the entire exterior surface of the first housing (14). The first housing (14) and covering (15) are positioned within a second flexible housing (12). The first (14) and second (12) housings may be formed from polymeric or metallic tubing. A second flexible, porous covering (19) may be positioned to cover substantially the entire exterior surface of the second housing (12). The flexible first covering (15) may comprise multiple layers of, for example, a braided or a mesh material. The flexible coverings (15, 19) provide structural support for the housings (12, 14) while cooling and filtering the generated gases.

Abstract: An inflator includes a generant chamber that houses a quantity of gas generant. The chamber has a plurality of gas exit holes that are positioned along the length of the generant chamber. A filter is added exterior of the chamber. In fact, the filter may be positioned on the exterior of the generant chamber. Straps may encircle the inflator. The straps are attached to studs that will operate to mount the inflator. The position of the straps may be adjusted and tailored to apportion the amount of inflation gas that is directed into each chamber of a multi-chambered or two-chambered airbag.

Abstract: An apparatus (10) for helping to protect an occupant (16) of a vehicle (12) comprises an inflatable vehicle occupant protection device (14) that is inflatable from a deflated condition to an inflated condition. An inflator (32) is actuatable to provide inflation fluid to inflate the protection device (14). A retainer (70) has an opening (78) for receiving the inflator (32). The retainer (70) includes a base portion (72) and an annular wall (74) that extends transversely from the base portion (72). The annular wall (74) has a deflector portion (88) and a retaining portion (86). The deflector portion (88) is positioned radially outward from the retaining portion (86) and extends substantially orthogonal to the base portion (72) to direct inflation fluid from the inflator (32) into the protection device (14) in a direction substantially parallel to a central axis (37) of the inflator (32).

Abstract: A side impact protection airbag system includes an inflator, a retainer and an airbag. An interior space of the airbag is divided into a pelvis portion protecting chamber and a chest portion protecting chamber by a dividing part. A gas ejecting part of the inflator and an opening in the retainer are provided between a fixing end portion of the airbag and an end portion (a connecting portion) of the dividing part which lies a side facing the fixing end portion. A circumferential portion on a wall part which is separate from the opening is made to constitute an interruption wall which interrupts the passage of an inflation gas to the dividing part side, and the interruption wall is provided between the gas ejecting part and the connecting portion.

Abstract: The invention relates to an airbag module for a motor vehicle, comprising a gas sack, that can be inflated in order to protect a person by feeding gas into the gas sack, an openable reservoir for storing a coolant, wherein the reservoir comprises a first and a second portion, the second portion connected to the first portion, at least one outflow opening of the reservoir formed in the second portion, through which the coolant, for cooling the gas fed into the gas sack, can leave the reservoir, and a closure element for closing the outflow opening. According to the invention it is provided that the closure element divides the reservoir into the two portions, and that the coolant is arranged in the first portion, wherein the closure element seals the first portion of the reservoir with respect to the second portion of the reservoir. Further, the invention relates to a method for producing an airbag module.

Abstract: A gas generating system includes a housing having a passage and a forcing member positioned in the passage. A flowable material is positioned in the passage to resist motion of the forcing member. The housing is configured to enable a flow of flowable material out of the housing responsive only to a motion of the forcing member.

Abstract: A gas generating system incorporating a gas flow control mechanism including opposed wall portions defining a cavity for slidably receiving a support member therein. A gas exit passage is exterior of the cavity and in fluid communication with the cavity. An opening in one wall portion enables fluid flow into the cavity. An opening in another wall portion enables a fluid flow from the cavity into the gas exit passage. A seal prevents fluid flow into the cavity when the seal is supported against a force exerted by the fluid. A support member slidably received within the cavity supports the seal against the fluid force. A mechanism is provided for moving the support member from a first position supporting the seal to a second position wherein the seal is unsupported by the support member, enabling failure of the seal and flow of the fluid.

Abstract: An external containment device for an inflator of an inflatable cushion is provided, the external containment device having: an outlet plate having an outlet opening; a burst disk disposed over the outlet opening; an initiator having an initiator cap; a support pin having a shaft portion and a head portion, the shaft portion being supported by the initiator cap and the head portion contacts the burst disk when the outlet opening is sealed by the burst disk; and wherein activation of the initiator causes the initiator cap to move shearing a portion of the shaft portion from the support pin which allows the burst disk to rupture.

Abstract: A gas generating system devoid of a booster chamber. The inflator includes a composition having a metal chlorate as a first oxidizer, a primary fuel selected from carboxylic acids, dicarboxylic acids, and mixtures thereof, and a second oxidizer not having perchlorate character. The metal chlorate is provided at about 10-20 wt %, the primary fuel is provided at about 15-45 wt %, and the second oxidizer is provided at about 30-50 wt % stated by weight of the total composition.

Abstract: The airbag apparatus includes an airbag housed in a folded state and an inflator for supplying inflation gas to the airbag. The inflator includes a first gas supply region and a second gas supply region respectively supplying inflation gas into the airbag under control of a control device. The first gas supply region is operable independently and in advance of the second gas supply region. The substance quantity of inflation gas supplied to the airbag by the first gas supply region per unit time at the time the first gas supply region operates independently and in advance of the second gas supply region is less than the substance quantity of inflation gas supplied to the airbag by the second gas supply region per unit time.

Abstract: A gas generating system includes a first enclosure containing a gas, and a second enclosure having a gas generant material contained therein. The second enclosure is operatively coupled to the first enclosure so as to enable fluid communication between the first enclosure and the second enclosure. After activation of the gas generating system, the gas in the first enclosure passes through the second enclosure prior to exiting the system.

Abstract: An airbag module for a motor vehicle includes a gas sack that can be inflated with gas to protect an occupant, a gas generator for generating the gas provided for inflating the gas sack, and an additional cooling device comprising an openable reservoir for storing a coolant. The reservoir is opened when the gas sack is inflated, so that the coolant for cooling the gas used to inflate the gas sack can come into contact with the gas. The cooling device comprises a movement generating device that opens the reservoir to release the coolant.

Abstract: An ignition delay module (10) for use in an airbag inflator (100, 200) has an ignition delay module housing (11). The ignition delay module (10) separates the inflator (100, 200) into two chambers (40, 60). A pyrotechnic tablet (2) is positioned inside the ignition delay module housing (11). Upon activation of the inflator (100, 200) the ignition delay module (10) prevents a gas generant (62) in a second chamber (60) of the inflator (100, 200) from igniting until at least a portion of the pyrotechnic tablet (2) is burnt. Preferably a burn inhibitor layer (3) is affixed or otherwise applied to a surface of the pyrotechnic tablet (2).

Abstract: An inflator that includes a quantity of gas generant housed within a chamber. A liquid including at least one of a fuel soluble in the liquid or an oxidizer soluble in the liquid and a piston are housed within another chamber of the inflator. This chamber is sealed. Upon actuation, movement of the piston hydraulically expels the liquid through an opening in the piston such that the liquid contacts the gas formed by combustion of the gas generant and cools the same. The fuel and/or oxidizer in the liquid can react to form additional gas.

Abstract: A closure assembly for an inflator comprises a housing and an outlet plate disposed within the housing. The outlet plate has an outlet opening configured to receive a burst disk. The outlet plate is joined to the housing by a deformation resistance weld. The deformation resistance weld is formed by contacting the outlet plate with a first electrode, contacting an exterior portion of the housing with a second electrode, and applying a voltage through the first and second electrodes to adhere a portion of the housing to a portion of the outlet plate.

Abstract: The present invention relates to a gas generator, in particular for airbag modules in motor vehicles, comprising two generator stages each of which includes in its pressure housing at least one igniter, at least one propellant charge and at least one combustion chamber. An inner generator stage is arranged at least substantially inside an outer generator stage and the two generator stages are arranged at least partly in a common filter housing together with a common filter unit arranged outside a pressure housing of the outer generator stage.

Abstract: An inflator for an airbag is provided. The inflator can include a housing that has a first end and a second end. The inflator can also include a gas generant disposed in the housing that defines a bore. The inflator can include an igniter coupled to the first end of the housing that can ignite the gas generant upon receipt of a signal. The inflator can further include a temporary closure coupled to the second end of the housing that can be opened to provide an exit out of the housing. The ignition of the igniter can generate a shockwave that passes through the bore to open the temporary closure.

Abstract: An airbag module for a motor vehicle is provided. The airbag module comprises an airbag, which is inflatable with gas to protect an occupant, a gas generator for generating the gas provided for inflating the airbag, and an additional cooling device, which comprises a reservoir for storing a coolant. The reservoir being designed to be opened, such that the coolant may come into contact with the gas used to inflate the airbag to cool said gas. The coolant comprises at least one propanediol. The inflated airbag defines an interior of the airbag that has a volume, wherein the cooling device is adapted to inject between 0.15 and 1.00 ml coolant per liter of the volume of the airbag into the interior of the airbag.

Abstract: An inflator assembly having an inflator body that forms a chamber wherein a quantity of a gas generating solid reacts to form gas. A quantity of gas treatment material is included to treat the formed gas to form a treated gas. At least one assembly exit opening permits the treated gas to exit the inflator assembly. The required gas generating solid has a flame temperature of no more than 1670 K with the inflator assembly having significant weight and volume reductions as compared to an otherwise identical performing inflator assembly that utilizes gas generating composition having higher flame temperatures.

Abstract: Methods of making and resultant compositions thereof, which include a gas generant having a coating including an inorganic combustion inhibitor. Such coated gas generants are useful in pyrotechnic compositions and ignition materials, and may be employed, for example, in inflatable restraint systems. The ratio of coated and uncoated gas generant bodies within an airbag inflator may be tailored to provide S-curve inflation performance. Spray application of aqueous mixture including the combustion inhibitor onto the gas generant body provides a rapid way to achieve a thin but robust coating.

Abstract: A gas generator comprising a housing having a mixing chamber and a pyrotechnic charge in the housing. A container having a liquid therein is disposed in the housing and has an open end and a closed end, with an end cap closing the open end and having a piston portion removably connected thereto and being movable within the liquid container to pressurize the liquid therein when the piston portion is separated from the end cap. The piston portion is positioned to be exposed to combustion gas from the pyrotechnic charge when it is ignited and is separable from the end cap when the combustion gas exceeds a predetermined pressure. In another embodiment, the liquid container may be a collapsible tube. The closed end of the liquid container has a weakened portion constructed to be opened when the pressure of the liquid in the container exceeds a predetermined pressure.

Abstract: A gas generator for inflating a gas bag of a vehicle occupant restraint system is provided. The gas generator includes an igniting means for producing gas and/or heat upon activation by a control signal of the vehicle. The gas generator also includes a first chamber comprising a propellant ignitable by gas and/or heat produced by the igniting means, and a second chamber comprising pressurized inflation gas. An outlet opening through which the inflation gas can flow out of the second chamber and into the gas bag is provided. The gas generator also includes a sealing means sealing the outlet opening. The gas generator is configured in such a way that after activation of the igniting means gas and/or heat produced by the igniting means ignites the propellant and a pressure wave is created under the direct or indirect impact of gas produced by the igniting means.

Abstract: A gas generator for a vehicle passenger protection device. The gas generator includes a combustion chamber in which a gas-generating charge is arranged. A conical deposition chamber is provided that has a first wall, within which a plurality of gas through-holes are formed, and at least one second wall which extends at an angle from the first wall and within which at least one blow-off hole is formed. Gas generated inside the combustion chamber enters the deposition chamber through the gas through-holes and leaves the deposition chamber through the at least one blow-off hole.

Abstract: The present invention relates to a gas generator (1) for a safety device for a motor vehicle, which comprises at least two distinct chambers respectively designated as first (2) and second (3) chambers, which communicate with each other through at least one opening or nozzle, the first (2) of these chambers being isolated from the outside, the second one (3) a so-called ‘diffusion’ chamber being able to receive gases generated by the combustion of a solid pyrotechnical charge (5) placed in the first chamber (2), and to discharge them towards the outside. It is remarkable in that: said solid charge (5) is a mixture consisting of at least one oxidizing charge and a reducing charge, the oxygen balance of which is equilibrated; a heat-generating means (6) is provided which generates sufficient heat for triggering and sustaining the combustion of said charge (5), this without any other interaction, notably of the chemical type, between this means (6) and this charge (5).

Abstract: An igniter assembly includes, an electric igniter and igniter collar, and a resin fixing the electric igniter into the igniter collar. The electric igniter has an igniter main body and a conductive pin which extends from the igniter main body. The igniter collar has a first through hole formed in the axial direction and at least one second through hole formed separately from the first through hole and being provided to the igniter collar. The electric igniter is fixed inside the first through hole by the resin, and the resin is also charged into the second through hole.

Abstract: A gas generator that eliminates work for welding-fixing a holder to a housing and subjecting the holder to an excess processing, which can be easily manufactured at low cost, and a method for manufacturing the gas generator. The gas generator includes an approximately short cylindrical housing including a bottomed member and a lid member, gas generants arranged in the housing to generate a high-temperature gas by combustion, a filter arranged in an inner circumference part of the housing so as to surround the gas generants in a diameter direction of the housing, an igniter energized from the outside to ignite, and a holder to which the igniter is fixed and that is fixed to the bottomed member so that the igniter is arranged coaxially with the housing. At least one of the holder and the bottomed member is clamped, and pressed and deformed in an axial direction of a hole so that the holder is fixed to the bottomed member.

Abstract: The present invention relates to a gas generator for a motor vehicle safety device, the generator comprising:. a first chamber (C) for combustion containing a pyrotechnic initiator (2) and a pyrotechnic charge (3) whose combustion is triggered by said initiator; and. a second chamber (D) for diffusion into which the gas that results from combustion of said charge (3) is transferred prior to being exhausted to the outside; these two chambers (C, D) being separated from each other by a “nozzle” partition (12) presenting at least one communication orifice (13). According to the invention, said diffusion chamber (D) is provided with a piston (5) suitable for closing or not closing said orifice (13) as a function of the gas pressure in the combustion chamber (C), said piston (5) being urged to its position for closing the orifice (13) by a mass (6) of elastically deformable material, said mass (6) presenting stiffness that varies as a function of temperature, said stiffness decreasing with increasing temperature.

Abstract: The pyrotechnic cup is designed such that it may be used as part of an airbag initiator. In some embodiments, the cup comprises a cylindrical portion and a dome that is attached to a first end of the cylindrical portion. A cruciform is also added to the cup. The cruciform is positioned at the apex of the dome. In some embodiments, the cruciform comprises one or more petals. Other embodiments may be designed in which deployment of the initiator causes gas to be directed out of the pyrotechnic cup via the apex of the dome.

Abstract: A housing for an airbag arrangement of a vehicle occupant protection device including at least two housing parts, each part including a side wall terminating in at least one connecting edge. The housing parts by way of the connecting edges lying contiguous with one another when the housing is closed. The housing also includes further comprises a passage opening for an electrical connection lead to be connected to a component of the airbag arrangement, said opening being formed in the side wall of one of the housing parts at an interval from the or each connecting edge. The housing includes an access opening, formed in the side wall of a housing part and running from the connecting edge to the passage opening, through which an electrical connection lead aligned at an angle to the side wall.

Abstract: An inflator for an airbag comprises a bottle (2) containing a pressurised oxidisable gas and a bottle (4) containing a pressurised oxidising gas, the bottles being connected with a structure (12, 16) providing a chamber (14) that has an outlet, for example provided by a conduit (16), for connection with a vehicle airbag. The bottles have respective first discharge openings (18) and further discharge openings (18a) sealed by respective sealing foils. The inflator includes a first pyrotechnic squib (22) which when fired causes the sealing foils over the first openings (18) to rupture to allow the gases from bottles (2, 4) to pass into chamber (14) and thence into the airbag, and also includes a further pyrotechnic squib (22a) which is fired some time after the squib (22) and causes the sealing foils over the further openings (18a) to boost the discharge of gases from the gas bottles.

Abstract: In an airbag module arrangement, an airbag module is arranged on a vehicle component, in particular a seatback, the airbag module including an airbag carrier, an airbag and a gas generator, which are jointly attached to a support structure in an installation space of the vehicle component, from which the airbag exits in the event of a triggering and subsequently opens at least one material layer situated over the airbag module and inflates in a passenger compartment, etc. There is a provision for the installation space of the airbag module to be surrounded by a foam part that is closed at least in the direction of inflation, and a fleece-like layer to be situated on the inner side of foam part at least in the desired exit region of the airbag module from the foam part, which has a specifiable perforation in the desired exit region of the airbag module.

Abstract: A closure assembly for an inflator comprises a housing and an outlet plate disposed within the housing. The outlet plate has an outlet opening configured to receive a burst disk. The outlet plate is joined to the housing by a deformation resistance weld. The deformation resistance weld is formed by contacting the outlet plate with a first electrode, contacting an exterior portion of the housing with a second electrode, and applying a voltage through the first and second electrodes to adhere a portion of the housing to a portion of the outlet plate.

Abstract: The invention relates to a restraint system for a motor vehicle that is formed by one or several supporting structures, wherein the longitudinal extension of a supporting structure in the active state substantially exceeds the dimensions of the transverse extension and the supporting structure unfolds mainly in the direction of its longitudinal extension. So as to improve the restraint system such that the variables of the restraint system are adapted to the respective load, it is suggested that, during unfolding, the supporting structure (7, 8, 9), when impacting upon an obstacle (5), does not have the same stability as when it is completely unfolded, and/or does not reach the final volume or the final extension.

Abstract: An airbag gas flow apparatus for a steering wheel includes a housing and a rotatable gas guide positioned within the housing. The housing includes a base and a diffuser, the diffuser comprising at least one opening. The rotatable gas guide includes at least one open portion and a closed portion. A weight is added to the gas guide and is positioned diametrically opposite the closed portion. The weight remains substantially at the 6 o'clock position and the closed portion is positioned substantially at the 12 o'clock position regardless of the rotational position of the steering wheel. As the steering wheel is rotated, the gas guide rotates relative to the housing and readjusts within the apparatus such that the weight remains positioned substantially at the 6 o'clock position and the closed portion remains positioned substantially at the 12 o'clock position.

Abstract: A gas generating system includes a first enclosure containing a gas, and a second enclosure having a gas generant material contained therein. The second enclosure is operatively coupled to the first enclosure so as to enable fluid communication between the first enclosure and the second enclosure. After activation of the gas generating system, the gas in the first enclosure passes through the second enclosure prior to exiting the system.

Abstract: A gas generator 10 contains a baffle assembly for cooling of gases. An imperforate housing 46 is contained within the gas generator 10. A perforate housing 30 is contained within the imperforate housing 46. At least one orifice 70/72 is formed within the baffle assembly, where the orifice 70/72 is formed at the juncture 57 of the baffle assembly 12 and the perforate housing 30, at a second end of the perforate housing 30. Upon activation of the gas generator 10, gases produced are shunted through the orifice 70/72 and into the baffle assembly 12 for cooling and filtration thereof.

Abstract: An air bag assembly unit is provided for an occupant restraint systems in motor vehicles with an air bag, which is accommodated by an air bag housing and is to be filled with gas by the contents of a gas generator. The assembly unit includes a diffusor housing, which is arranged at the air bag housing, is connected to the air bag housing via gas passage openings, and in which the gas generator pushed in via an installation opening is fixed by a holding device. The holding device is formed from a fastening ring (7), which is arranged in the intermediate space (5) of the diffusor housing wall (8) and the gas generator wall (9), seals the intermediate space (5) by a sealing device (6) in a gas-tight manner and surrounds the gas generator (2) in a ring-shaped pattern. The fastening ring (7) is fixed at the diffusor housing wall (8) in a positive-locking manner.

Abstract: A housing 11 has an upper annular inclined surface 14 and a lower annular inclined surface 15. An annular filter 20 accommodated inside the housing has the end surface shape matching that of the inclined surfaces 14, 15. When the housing expands and deforms in the axial direction by the pressure during actuation, the inclined surfaces 14, 15 cannot be easily deformed. Therefore, the gas is prevented from leaking from the abutment portion of the inclined surfaces 14, 15 and annular filter 20. As a result, the entire gas is discharged via the annular filter 20.