Abstract: A vehicle airbag structure deploying an airbag at a predetermined designed position in an initial stage of deployment, while suppressing a swinging motion, to allow the airbag to continuously deploy and inflate toward a vehicle seat and reliably receive an occupant at an appropriate position. The vehicle airbag structure includes: an intermediate panel provided between a front panel and a rear panel; a joining the rear panel and the front panel to form an airbag; an intermediate panel forming a gas duct to guide inflator gas; and a gas circulation hole formed by a portion of the intermediate panel facing in a circumferential direction to generate, inside the airbag, a gas flow in the circumferential direction.

Abstract: An airbag is manufactured as follows. In a first joining step, peripheral portions of structural fabric portions that are located closer to the main body fabric portions at the installation are joined to the main body fabric portions in a spread state. In a second joining step, a part that is not overlaid onto the structural fabric portions is joined to the main body fabric portions, and a part that is overlaid onto the structural fabric portions is joined only to the structural fabric portions. In a third joining step, peripheral portions of the structural fabric portions that are separated away from the main body fabric portions at the installation are joined to each other.

Abstract: There is provided an occupant protection device. An air bag device according to the present invention protects an occupant against an impact caused by a collision of a vehicle by inflating and expanding a head protection air bag body and a chest protection air bag body upon the impact which are housed in a center pad of a steering wheel, the occupant protection device including an inflation and expansion mode control unit configured to inflate and expand the head protection air bag body and the chest protection air bag body mutually independently in accordance with a collision mode of the vehicle, and to control inflation and expansion modes of the head protection air bag body and the chest protection air bag body when inflated and expanded.

Abstract: The invention relates to an actuator assembly for an airbag module in a vehicle safety system comprising an actuator (10) and a tensioning means (20), wherein the actuator (10) includes a release member (12) which in the idle state of the actuator is connected to a retaining member (11) and is separable from the retaining member (11) by actuating a pyrotechnical ignition unit of the actuator (10) along a predetermined breaking point (13) so as to release a loop (23) of a tensioning means (20). The invention excels by the fact that the loop (23) is formed between two tensioning means portions (21, 22) which are interconnected directly at the predetermined breaking point (13) by a connecting means (30) such that the loop (23) is tensioned around the predetermined breaking point (13) in a self-fixing manner. Furthermore the invention relates to an airbag module, a vehicle safety system and a manufacturing method.

Abstract: An airbag can include a panel that defines at least a portion of an inflatable chamber. The airbag can also include a slit vent that is at least partially defined by the panel. One or more seams can encompass the slit vent and can permit the slit vent to naturally be in a closed orientation.

Abstract: An object of the present invention is to provide an airbag module ensuring that when an airbag fabricated using a fabric composed of a polyamide yarn excellent in heat resistance is deployed by an inflator gas, the deployment occurs without loss of the gas and an excessive amount of generated gas is not necessary, as a result, the inflator is reduced in weight, and the airbag module of the present invention comprises an airbag fabric composed of a polyamide yarn, wherein the air permeability of the fabric under a pressure of 200 kPa is from 10 to 200 cc/cm2/sec and in the thermal stress of the constituent yarn as measured under the conditions of an initial load of 0.02 cN/dtex, a yarn length of 25 cm and a temperature rise rate of 80° C./min, the summed thermal stress of the total of the warp yarn and the weft yarn at 230° C. is from 0.33 to 1.20 cN/dtex.

Abstract: An apparatus (10) for helping to protect an occupant (20) of a vehicle (12) includes an inflatable vehicle occupant protection device (14) having a deflated condition and an inflated condition. The protection device (14) includes a front portion (70) that has a panel (72) presented toward the occupant (20) when the protection device (14) is in the inflated condition and a rear portion (80) spaced from the front portion (70) when the protection device (14) is in the inflated condition. A lower connecting portion (90) connects the front portion (70) to the rear portion (80) and defines the lower extent of the protection device (14). A space (100) is positioned outside the inflatable volume (60) of the protection device (14) and is defined between the front portion (70), the connecting portion (90), and the rear portion (80). The space (100) extends from an upper extent of the protection device (14) down to below a midline of the protection device (14).

Abstract: A seat belt is wound up in a passenger protection apparatus. An airbag to be inflatable is at a position of a shoulder belt of the seat belt by being folded like a belt in the passenger protection apparatus. The passenger protection apparatus includes a fabric member which configures a bag-like member of the airbag and a partition wall fabric. The partition wall fabric has portions respectively connected to first and second parts of the fabric member and partitions an inside of the bag-like member into a central inflatable portion and supporting inflatable portions each of which is located between a passenger-side surface of the fabric member and a fabric formed of the central inflatable portion. The first and second parts configure inner surface of the bag-like member and hold the seat belt. The second part is configured to face a passenger and opposite to the first part.

Abstract: Airbag assemblies and active vents for airbag assemblies are disclosed. An airbag assembly can include an airbag cushion that defines an inflatable chamber and an active vent that comprises an aperture and a patch configured to plug the aperture. A first control tether is coupled to the patch and coupled to the airbag cushion. The first control tether is drawn taut as the cushion expands during deployment to draw the patch toward the aperture from a first position that allows unobstructed venting through the aperture to a second position that obstructs venting through the aperture. The first control tether, or a second control tether, is configured to be drawn taut to close the active vent. Responsive to impact with the airbag cushion, a control tether is configured to slacken to open the active vent.

Abstract: A center airbag apparatus for a vehicle may include an inflator ejecting gas in an event of a vehicle collision, an airbag housing provided on a roof panel between a front seat and a rear seat, and an airbag cushion coupled at an upper end thereof to the airbag housing and fluid-connected to the inflator, wherein the airbag cushion may be folded in a vertical direction and then folded at both sides thereof towards a middle portion, thus allowing the both sides to be first unfolded and then the airbag cushion to be deployed downwards, when the gas may be ejected from the inflator into the airbag cushion.

Abstract: In various embodiments, a safety device for a motor vehicle is provided. The safety device includes an elastic membrane, which partially or completely delimits a hollow space, which is provided for an accident-initiated filling subject to elastically expand the membrane. The elastic membrane is covered by a separate envelope in a gas-tight manner, which provides an opening through the expansion of the membrane.

Abstract: The present invention relates to an airbag cushion and an airbag system including the same, and particularly to an airbag cushion, including: at least one fabric; and seam parts connecting the fabric, wherein deviation of upper seam thread length per a unit length of the fabric between the first seam part sewed in forward direction and the second seam part sewed in reverse direction in the seam parts is 15% or less, a method of preparing the same, and an airbag system including the same. The airbag cushion of the present invention is superior in working stability and unfolding performance because of the optimized properties of the seam parts, provides superior shape stability and air-tight effect at the same time, and can protect a passenger by minimizing the shock given to the passenger.

Abstract: An inflatable curtain airbag system can include a first inflatable curtain airbag, a second inflatable curtain airbag, and a reinforced region. In some arrangements, the reinforced region may include a region where a portion of the first inflatable curtain airbag overlaps a portion of the second inflatable curtain airbag. In other arrangements, the reinforced region may include a region where either or both of the first and second inflatable curtain airbags comprise a localized region of increased stiffness.

Abstract: An airbag device for a vehicle, a method for transferring an airbag of the airbag device into a compact state, and a vehicle with the airbag device are provided. The airbag device includes an airbag that, on an activation of the airbag device, is configured from a compact state into an expanded state. The airbag has a head region, a thorax region, and a pelvis region. In the expanded state of the airbag, the head region is configured for protection of a head of an occupant situated on a vehicle seat, the thorax region is configured for protection of an upper body of the occupant, and the pelvis region is configured for protection of a pelvis of the occupant. The airbag is configured as a single-chamber side airbag. The airbag device further comprises a gas generator for generation of gas.

Abstract: An apparatus (10) for helping to protect an occupant of a vehicle that has an instrument panel and a windshield includes an air bag (14) packaged in an air bag module (30). The air bag (14) is inflatable to a deployed position between the instrument panel and a vehicle occupant. A deployment restrictor (100) is secured to the air bag module (30). The deployment restrictor (100) includes a deflector panel (102) secured to the air bag module (30) and having a portion that is positioned between the packaged air bag (14) and the windshield. The deflector panel (102) at least partially covers the packaged air bag (14) so that the deflector panel moves with the deploying air bag toward the windshield. The connection of the deflector panel (102) to the air bag module (30) limits movement of the deflector panel toward the windshield and thereby redirects the air bag to deploy away from where it would otherwise impact the windshield.

Abstract: The purpose of the present invention is to provide a synthetic fiber which is for use in fabrics having uniform fiber density, permeability and the like, is appropriate for high-density, high-speed weaving, and exhibits excellent weft insertion stability. This synthetic fiber is characterized by having: a fiber density of 200-720 dtex; an average intermediate loading modulus of more than 75 cN/dtex and less than 150 cN/dtex; and a variation coefficient of the intermediate modulus of 5% or less.

Abstract: An airbag 10 includes at least one panel 12 defining an interior 104/102 of the airbag, and a divider 100 positioned in the interior so as to divide the interior into an upper chamber 102 and a lower chamber 104. A valve mechanism 200 is operatively coupled to the divider 100 for restricting a flow of gases from the lower chamber 104 into the upper chamber 102. The valve mechanism 200 includes one or more valves 200 with a desired aggregate opening(s) and located in predetermined location(s) thereby affecting a designed inflation profile. The divider 100 has an arcuate length Ld, measured between two divider airbag attachment points 100d and 100a, greater than a corresponding linear horizontal airbag length La, measured between the same two attachment points. The passenger side airbag 10 for each unique vehicle is designed by iteratively reconciling the requirements of FMVSS208 with the present airbag design.

Abstract: An airbag apparatus has an airbag formed by sewing fabric portions together at peripheries thereof. A periphery sewn portion of the airbag has two terminals separated from each other. The terminals are formed by leaving sections of the peripheries of the fabric portions unsewn. A surrounding sewn portion is formed about each terminal of the periphery sewn portion. The airbag has a vent hole between the terminals. The opening of the vent hole is defined by vent hole defining sections, each of which is in one of the surrounding sewn portions. Position determining portions are provided in the margin of the airbag. Each surrounding sewn portion is formed in place with reference to the corresponding position determining portion. Each position determining portion is located father from the vent hole in the circumferential direction of the margin than the vent hole defining section of the corresponding surrounding sewn portion.

Abstract: This invention is in the field of safety devices to lessen injuries arising from impact in vehicles, particularly automobiles. A bolster which may be employed to reduce impact severity to passengers from either frontal or side impacts is activated by impact sensing devices. The housing of the bolster has a lateral length L. Upon activation, the bolster is inflated with an activating fluid and extends the lateral length L of bolster upon activation.

Abstract: It is provided a side airbag in which a bag thickness can be made thicker, without an undue increase in size. In a side airbag, a side panel formed in a belt shape is sewn to peripheral edge portions of a pair of main panels placed facing each other, whereby an airbag body is formed. A tether disposed inside this airbag body is folded in such a way that both lengthwise direction sides of the tether are aligned in a direction in which the pair of main panels face each other. One long-side edge portion of the tether is sewn to the pair of main panels and to a front portion of the side panel, and both lengthwise direction sides of another long-side edge portion of the tether are superimposed on top of each other and sewn together.

Abstract: Inflatable airbag for a vehicle which is deployed in the event of an accident involving the vehicle to provide protection for an occupant of the vehicle includes a plurality of ribbons coupled together to define an enclosed, fluid-retaining space and a layer of film laminated on at least one of an outer side of the woven ribbons and an inner side of the ribbons. The ribbons each have a width of less than about 3 mm and preferably about 0.5 to about 1 mm. The ribbons may be made from polypropylene, polyethylene, polyester or polyamide and the layers of film may be made from polyethylene, polyurethane, polyester or polyamide. The ribbons and layers of film may be made of the same or different materials.

Abstract: The invention relates to a gas bag for vehicles, having a flat, two-dimensional shape when being in an uninflated, vented condition and a three-dimensional shape in an inflated condition, the gas bag having a main piece with opposite end portions, each of the end portions having an end contour, and two minor pieces which each have a connecting portion with a contour with corresponds to the end contour of the main piece, and which each have a filling portion, the two filling portions having similar shapes and similar dimensions. The invention also relates to a method of sewing this gas bag.

Abstract: An airbag can include a panel that defines at least a portion of an inflatable chamber. The airbag can also include a slit vent that is at least partially defined by the panel. One or more seams can encompass the slit vent and can permit the slit vent to naturally be in a closed orientation.

Abstract: An airbag device that can limit the movement of a strap outside an airbag even when the other end of the strap is released is provided. An airbag device includes an airbag 2 that is folded in a normal state and deployed in case of emergency, an inflator 3 that supplies gas to the airbag 2, a retainer 4 that secures the airbag 2 and the inflator, and a strap-retaining device 6 that retains a strap 5, which is connected to a portion of the airbag 2 at one end 51 thereof, at the other end 52 of the strap 5 in a releasable manner. The airbag device further includes a strap-restraining tether 7, which is connected to the strap 5 at one end 71 thereof and to the airbag 2 at the other end 72 thereof. The strap-restraining tether 7 limits the movement of the free end of the strap 5 that has been released.

Abstract: A front airbag for a road vehicle; the front airbag having: a stowage compartment formed in a front portion of the dashboard of the road vehicle; a bag normally deflated and folded inside the stowage compartment; and a generator which is housed inside the stowage compartment, is connected to the bag, and inflates the bag in the event of collision; the inflated bag has a longitudinal depth that decreases substantially in a thrust direction perpendicular to a longitudinal axis of the road vehicle.

Abstract: There is provided an occupant protection device. An air bag device according to the present invention protects an occupant against an impact caused by a collision of a vehicle by inflating and expanding an air bag body upon the collision, which is housed in a center pad of a steering wheel, the center pad being provided so as not to rotate along with the steering wheel, the air bag body having a first chamber and a second chamber which is configured to be expanded between the occupant and the lower edge of the steering wheel in the vertical direction of the vehicle.

Abstract: A vehicle air bag system includes a side air bag that is housed folded up in a vehicle seat and that deploys between an occupant seated in the vehicle seat and a front side door by receiving a supply of gas when a side collision occurs, and a curtain air bag that is housed folded up in an upper edge portion of a door opening and that deploys in a curtain shape downward by receiving a supply of gas when a side collision and a rollover occur. The curtain air bag has a delay chamber that deploys later than a main chamber by receiving a supply of gas from the main chamber via a narrowed passage. The delay chamber deploys with a lower end side below a beltline and in an area that overlaps with a deployment area of a side air bag.

Abstract: An airbag device configured to deploy along an interior side of a passenger compartment of a vehicle may include a gas generator and an inflatable airbag. The inflatable airbag may include a plurality of inflatable chambers configured to be inflated by the gas generator. A first inflatable chamber may be tethered to at least a second inflatable chamber by a connection member. The airbag may be configured so that when the airbag is inflated the connection member restrains the separation of the first and second inflatable chambers and forces at least one of the inflatable chambers inboard so that the plurality of inflatable chambers form a convex profile along a plane perpendicular to the side of the passenger compartment.

Abstract: An airbag device includes an airbag folded into a shape having a base portion, an upper surface opposite the base portion, and a side portion surrounding a portion between the base portion and the upper surface, and a holding member configured to cover the airbag as folded by being laid over the airbag as folded. The holding member has a plurality of cloth piece portions and a single connection portion connecting the plurality of cloth piece portions to one another. The connection portion of the holding member is located at the upper surface of the airbag as folded.

Abstract: A side airbag device for a vehicle includes a gas generating device, a side airbag in which a front and a rear bag portions are defined by a front-rear partition section having a front-rear communication opening, gas supplied from the gas generating device into the rear bag portion is supplied into the front bag portion through the front-rear communication opening to allow the side airbag to be inflated and deployed from an outside portion in a vehicle width direction of a seat back, and the front bag portion is arranged on a vehicle front side of the rear bag portion in an inflated and deployed state, and an extending member provided in the rear bag portion and extended in the inflated and deployed state to restrict inflation of the rear bag portion in a vehicle fore-and-aft direction and enlarges inflation of the rear bag portion in the vehicle width direction.

Abstract: Lifting up of a side airbag toward a vehicle upper side when there is a side collision is suppressed or prevented. In a side airbag, a tether is provided that divides the side airbag into a lower chamber and an upper chamber. The tether is attached in an attitude that, viewed from a vehicle forward side, is inclined such that a vehicle width direction inner side thereof is higher than the vehicle width direction outer side. A gas jetting aperture is formed at a lower end portion of a diffuser of a gas jetting unit. The gas jetting aperture is disposed in the lower chamber and is oriented toward a lower face of the tether. Therefore, during a process of expansion of the side airbag, gas strikes the lower face of the tether, then strikes portions that have not yet unfolded, and flows downward.

Abstract: A restraint device for a motor vehicle includes a support structure with a plurality of structural elements in which the support structure can be moved from a stowage position into a restraint position. The restraint device also includes a covering by means of which a restraint volume formed by the support structure in its restraint position is surrounded. At least one support element is provided by means of which at least one of the structural elements of the support structure is held in a predetermined form and/or position at least in the restraint position.

Abstract: A folded airbag for a motor vehicle, which can be inflated in case of a crash, has a first rolled folding created by rolling up a first airbag section, and a second rolled folding created by rolling up a second airbag section. The spatial directions, along which the two airbag sections are rolled up to form a rolled folding, are oriented at an angle to each other.

Abstract: An airbag for a vehicle comprising an inflatable portion and lugs arranged at the periphery of the inflatable portion. The airbag is made of a one-piece-woven technology having a structure made of warp threads and weft threads. The airbag further comprises a marking for enabling a detection of an incorrect attachment of the airbag at the vehicle. The marking is realized by a coded weaving structure in at least one lug.

Abstract: A driver airbag can be deployed from a steering wheel of a vehicle. The airbag can include a first inflatable chamber and a second inflatable chamber that can be deployed adjacent to the first inflatable chamber. The airbag can further include a one-way valve that controls inflation gas movement relative to at least the first inflatable chamber.

Abstract: A vehicle includes a driver airbag and a curtain airbag. The driver airbag has a primary driver airbag portion that defines an occupant-facing surface and a secondary driver airbag portion that, when inflated, extends outward from the occupant-facing surface of the primary driver airbag portion. The curtain airbag has a primary curtain portion that defines an occupant-facing surface and a secondary curtain portion that, when inflated, extends outward from the occupant-facing surface of the primary curtain portion, wherein the secondary driver airbag portion and the secondary curtain portion are positioned with respect to one another such that, when inflated, the secondary driver airbag portion and the secondary curtain portion are engageable with each other.

Abstract: An inflatable vehicle occupant protection device (14) includes at least one panel (212) of material that defines an inflatable volume (54) of the protection device. The at least one panel (212) has a portion presented toward the vehicle occupant when in an inflated and deployed condition. The protection device (14) includes at least one pleat (296, 316) formed in the at least one panel (212). The at least one pleat (296, 316) defines a cushioned portion (210) for receiving a portion of the occupant. The at least one pleat (296, 316) reduces fabric tension in the cushioned portion (210) to provide the cushioned portion with a degree of softness that is reduced over remaining areas of the protection device (14).

Abstract: An airbag module for a motor vehicle includes an inflatable airbag cushion, an inflator, and a flow director. The inflatable airbag cushion includes one or more panels that form an inflatable portion. The inflator is configured to provide inflation gas for inflating the airbag cushion upon deployment. The flow director is configured to direct inflation gas into the inflatable portion. The inflatable portion includes a first inflatable region and a second inflatable region. The flow director is configured to direct the inflation gas directly into the first inflatable region. The first inflatable region and the second inflatable region are in fluidic communication, and a check valve permits the inflation gas to flow from the first inflatable region to the second inflatable region and prevents the inflation gas from flowing from the second inflatable region to the first inflatable region.

Abstract: A side airbag gas bag is provided for a motor vehicle, in particular a passenger car. The gas bag includes, but is not limited to an occupant region and a child seat region adjoining thereon, which with inflated gas bag optionally forms a recess for receiving a contour of a child seat or a volume for the lateral protection of an occupant.

Abstract: An elastic structure for use in an energy absorption system of a motor vehicle is provided. The elastic structure includes a structure configured as occupant protection and/or pedestrian protection expandable by a medium. An elastic function structure at least partially covers the structure and acts as a gas barrier. An energy absorption system for a motor vehicle as occupant protection and/or pedestrian protection and a motor vehicle having at least one such energy absorption system are also provided.

Abstract: A lateral partition is formed by a pair of structural fabric portions, each of which has a first peripheral portion and a second peripheral portion. The first peripheral portions of the structural fabric portions are each joined to one of main body fabric portions. The second peripheral portions of the structural fabric portions are joined to each other by a joint portion provided along the second peripheral portions. An inner tube extends over the upper inflation chamber and the lower inflation chamber, while intersecting with the lateral partition. A rear peripheral portion of a part of the inner tube is joined to the main body fabric portions by a part of the peripheral joint portion, and a front peripheral portion of the part is joined to the structural fabric portions by the joint portion.

Abstract: An airbag includes: a base chamber; a left-half airbag inflated on a front-left side of the passenger, wherein a first opening is formed through the left-half airbag at an upper portion thereof; and a right-half airbag inflated on a front-right side of the passenger, wherein a first opening is formed through the right-half airbag at an upper portion thereof. A recess is formed between the left-half airbag and the right-half airbag so as to face the passenger, when the airbag is inflated in front of the passenger. The first openings are communicated with each other. A first seam joining the left-half airbag and the right-half airbag is formed to surround the first openings. The first openings communicated with each other are formed to extend in a vehicle front-rear direction.

Abstract: An airbag module including a housing, an airbag disposed within the housing, and a chute enclosing the airbag within the housing. The chute includes a seam formed therein that is operable to open during deployment of the airbag, wherein the chute includes a projection that extends toward the housing, and the housing includes a grasping feature that engages with the projection during deployment of the airbag to assist in opening the seam.

Abstract: There is provided an airbag folding method for folding an airbag. The method includes in the following order: (a) folding the inner panel and the outer panel into a symmetrical substantially rectangular shape such that a groove of the concave region is located along a center line, wherein the center line passes through a center of the introduction port and symmetrically divides the inner and outer panels; (b) folding the inner and outer panels along fold lines from right and left edges thereof toward the center line, wherein the fold lines are substantially parallel to the center line; and (c) folding and rolling up the inner and outer panels from both ends of the center line toward the introduction port.

Abstract: An inflatable curtain airbag, or airbag assembly, can include a plurality of inflatable cushion segments that are able to selectively fluidly communicate with an inflation gas delivery channel. The inflatable curtain airbag, or airbag assembly, can further include a valving panel that has a separate valving portion associated with each inflatable cushion segment. Each valving portion can allow fluid communication between the inflatable cushion segment and the inflation gas delivery channel when in an open configuration and can prevent fluid communication between the inflatable cushion segment and the inflation gas delivery channel when in a closed configuration.

Abstract: An airbag assembly for use in a vehicle includes at least one airbag panel that defines an inflatable portion and a non-inflatable portion. An external panel is connected to the at least one airbag panel at the non-inflatable portion thereof such that at least a portion of the external panel is positioned adjacent to the inflatable portion defined by the at least one airbag panel, wherein the external panel is non-inflatable.

Abstract: The present invention provides an airbag that is capable of stabilizing a flow of a gas introduced into a lower air chamber to thereby stabilize an expansion behavior, the air bag being capable of stably constraining an occupant. Along a bulkhead configured to partition an airbag main body portion into an upper air chamber and the lower air chamber, a patch is mounted into the lower air chamber so that a rear end part is opposed to a distributing portion. The patch is expanded by means of a gas introduced into the lower air chamber in an expanded state of an inflating portion of the airbag main body portion to thereby form a cover portion along an interior face of the lower air chamber and a redundant portion configured to slacken with respect to the interior face of the lower air chamber.

Abstract: There are provided a side air bag device, an occupant protection device and an occupant protection method. The side air bag device that expands a side air bag member and a curtain air bag member between a side door and a passenger in a widthwise direction of a vehicle so as to protect the passenger from a shock caused by a side impact on the side door. The side air bag member is expanded such that a first chamber of the side air bag member directs toward a compartment in the widthwise direction of the vehicle.

Abstract: A side airbag apparatus includes an inflator, which generates inflation gas in response to an impact applied from a side of a seat of a vehicle, an airbag, which is deployed and inflated forward with inflation gas on a side of an occupant seated in the seat, and an accommodating portion, which accommodates the airbag folded into an accommodation state. The airbag in the accommodation state is formed through first and second folding operations in a state where the airbag is deployed but not inflated. In the first folding operation, an upper portion of the airbag is folded downward. In the second folding operation, which is after the first folding operation, the airbag is folded rearward from front.

Abstract: An active bolster has a plastic-molded, expandable front wall and a plastic-molded back wall joined around a substantially sealed perimeter with the front wall to form an inflatable bladder. The back wall includes at least one active vent and at least one substantially circumferential pleated baffle. An inflator couples an inflation gas into the inflatable bladder in response to a crash event of the vehicle. The active vent comprises a window opening in the back wall and an integrally-molded flap juxtaposed to the window opening. The flap has an undeflected position corresponding to a first flow coefficient and a deflected position corresponding to a second, nonzero flow coefficient that is less than the first flow coefficient. The flap moves from the undeflected position to the deflected position when a pressure in the inflatable bladder resulting from a passenger impact is greater than a predetermined pressure.