Class / Patent application number | Description | Number of patent applications / Date published |
280742000 | Flow control means | 50 |
20080252053 | AIRBAG CUSHION WITH VENT TUBE - An airbag module comprising a housing with an inflatable airbag cushion disposed therein and at least one vent tube attached to the inflatable airbag cushion, wherein during inflatable airbag cushion deployment with an obstruction, the at least one vent tube remains open, and during inflatable airbag cushion deployment without an obstruction, the at least one vent tube at least partially closes. | 10-16-2008 |
20080303256 | AIRBAG CUSHIONS WITH GAS DEFLECTORS AND OPTIONAL VENTING FOR OUT-OF-POSITION CONDITIONS - An airbag cushion is disclosed for use in automotive protective systems. The airbag cushion includes at least one gas deflector which directs gas to a closeable vent to allow gas to be vented out of the cushion when an obstruction is encountered. | 12-11-2008 |
20090160169 | DYNAMIC AIRBAG VENTING - An example airbag assembly includes an airbag and a duct having an opening for venting gas. The duct moves between a first position where the opening is outside the airbag and a second position where the opening is inside the airbag. Inflating the airbag moves the duct between the first position and the second position. | 06-25-2009 |
20090184505 | Seam Construction for a Fabric - A seam construction for a woven fabric for an OPW airbag, in particular for person restraint systems, which seam construction is characterized by a weaving seam having a single-layer region which is surrounded by an at least two-layer region, the individual layers of which have in each case a looser woven structure than the single-layer region. | 07-23-2009 |
20090189376 | CONSTRAINED AIRBAG DEPLOYMENT USING AN EXTERNAL TETHER - An example airbag arrangement includes an airbag that moves between an expansion-constrained position and an expanded position. A tether adjacent an exterior surface of the airbag moves with the airbag between a shorter position and a longer position. The tether remains intact in the shorter position and the longer position. When the tether is in the shorter position, the tether holds the airbag in the expansion-constrained position. | 07-30-2009 |
20090218797 | Airbag With a Closable Venting Device - An airbag having a venting device defined by an upper part surrounding the venting opening ( | 09-03-2009 |
20090218798 | DUAL MODE INFLATABLE CURTAIN CUSHION - An inflatable curtain cushion assembly for side deployment in a vehicle. The assembly has an inflator and an inflatable curtain cushion with two chambers, wherein the first chamber vents inflation gas more quickly than the second chamber. | 09-03-2009 |
20090250915 | INFLATABLE BOLSTER - 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 the bolster upon activation. A bolster is also provided having portions which inflate at differing rates. | 10-08-2009 |
20100019476 | Airbag and airbag apparatus - An airbag includes a vent and a gas discharge limitation member to limit gas discharged from the vent. The limitation member includes at least one invertible portion on a surface on a side opposite the occupant-facing surface of the airbag and capable everting toward the outside of the airbag. The limitation member includes an interlocking member for interlocking movement of the occupant-facing surface in an occupant direction and an opposite direction and for interlocking movement of the invertible portion inward of the airbag and outward of the airbag when expanded. The limitation member includes a lid covering the vent and being pulled by the invertible portion when the invertible portion everts towards the outside of the airbag. The lid closes the vent or opens the vent by a small amount until the lid member is pulled by the invertible portion and opens the vent by at least a large amount. | 01-28-2010 |
20100032931 | Airbag and airbag apparatus - An airbag to be inflated by gas for a vehicle includes a base member for the airbag, an opening and closing vent provided in the base member, and a discharging gas control member for restraining gas from discharging from the opening and closing vent. The discharging gas control member closes or slightly opens the opening and closing vent when an occupant does not contact a front surface of the airbag facing the occupant when the airbag is inflated. The discharging gas control member opens or widely opens the opening and closing vent so as to allow the gas to be discharged from the opening and closing vent when the occupant contacts the front surface of the airbag, and the front surface is pushed in a direction opposite to the occupant. | 02-11-2010 |
20100045010 | ENERGY ABSORBING DEVICE - An energy-absorbing apparatus for occupant protection in vehicles has a receptacle in which a magnetorheological fluid is present, which in the event of an impact is pressed through a flow zone. The apparatus further has a device generating a variable magnetic field and which has a core which is wound with a coil. The magnetic field acts on the magnetorheological fluid in order to regulate the flow properties. The coil together with the core is arranged in the flow zone. The axis of the coil lies perpendicularly to the direction of flow of the magnetorheological fluid, and the flow zone has a sheathing formed of a magnetically conductive material. | 02-25-2010 |
20100045011 | ENERGY ABSORBING DEVICE - An energy-absorbing apparatus for occupant protection in vehicles, has a receptacle with a magneto-rheological fluid which in the event of an impact is pressed through a flow zone determining the flow velocity. A device generating a variable magnetic field has pole faces in the flow zone, the magnetic field acting on the magneto-rheological fluid between the pole faces in order to regulate the flow velocity. The flow zone is divided into at least two flow routes by at least one partition forming two additional planar pole faces. | 02-25-2010 |
20100253055 | INFLATABLE AIRBAG CUSHION ASSEMBLIES WITH MODIFIED THROAT PORTIONS - During the manufacture of an inflatable airbag cushion, an inflator may be inserted into, and coupled to, a throat portion of the inflatable airbag cushion. This process may be achieved more quickly and with higher reproducibility of the placement of the inflator within the throat portion by forming an assembly aid in the throat portion of the cushion. The assembly aid functions to assist in the separation of the two panels of material from which the throat portion is manufactured. The separation can be achieved by forming one or more pleats, tabs, or loops in the throat portion near an inflator insert aperture. A throat liner may optionally be used within an airbag throat portion, in which case the assembly aid may also be formed in the throat liner. | 10-07-2010 |
20100276918 | Support Structure for an Airbag - The invention relates to a support structure for an airbag, in particular of a motor vehicle, that can be displaced from a storage position to a restraint position by means of a gas flow, and which comprises a plurality of hollow bodies ( | 11-04-2010 |
20110025032 | DYNAMIC AIRBAG VENTING - An example airbag assembly includes an airbag and a duct. The duct has a duct opening for venting gas. The duct is moveable between a first position where the duct opening is outside the airbag and a second position where the duct opening is inside the airbag. Inflating the airbag moves the duct between the first position and the second position. The airbag is configured to be inflated by a first stream of gas moving from the duct opening to an interior of the airbag and by a second stream of gas moving from an airbag inflator to the interior of the airbag. The first stream of gas is separate from the second stream of gas. | 02-03-2011 |
20110025033 | AIRBAG - An airbag has a skin enclosing a gas chamber and the skin has a vent which is closed in the resting state of the airbag and which opens when the pressure in the gas chamber exceeds a pre-determined value is described. The vent includes a vent hole in the skin and a tearable connection closing the vent hole in the resting state of the airbag. The airbag is folded to a package at least along a first direction and the tearable connection connects the skin around the vent hole directly to itself such that the tearable connection extends from a first point to a second point. In order to ensure that the vent remains closed during deployment and that the vent opens after the pressure inside the gas chamber exceeds a predetermined value within a rather small tolerance of the pressure, the line connecting the two points encloses an angle between 30° and 60° with the first direction. | 02-03-2011 |
20110031727 | Gas Generating System - A baffle system is provided including a first end plate having at least one opening formed therein, and a second end plate having at least one opening formed therein. At least one baffle element extends between the first and second end plates. The at least one baffle element defines a chamber. The at least one first end plate opening and the at least one second end plate opening are blocked so as to prevent fluid flow from the chamber to an exterior of the chamber system through the at least one first end plate opening and through the at least one second end plate opening. In addition, the blockage of the end plate openings is such that fluid flow is enabled into the chamber from the exterior of the chamber through the at least one first end plate opening and through the at least one second end plate opening. | 02-10-2011 |
20110248487 | Air Cushion With A Channel-Shaped Closure Element - The restraining function of support structure airbags in particular and mechanical airbags should be able to be specifically guaranteed in a simple manner. To this end, an air cushion for an airbag of a motor vehicle is provided, having a sleeve with at least one opening and a closure element arranged on the at least one opening in order to at least partially prevent air from flowing from a first direction. Furthermore, the closure element is flexible and has a channel-shaped design at least upon the flow of air from a second direction opposite the first direction. The closure element thus has the effect of a check valve. | 10-13-2011 |
20120043745 | TUBE-TYPE FABRIC SUBSTRATE FOR INTRODUCING GAS INTO AN AIRBAG AND PREPARATION METHOD THEREOF - The present invention relates to a fabric member for injecting an inflation gas into an airbag cushion when an airbag operates. Particularly, the present invention relates to a tube-type fabric substrate for injecting gas, including a tube-type fabric layer at which one or more gas discharge ports are formed, wherein the fabric layer is formed of a weave selected from the group consisting of a double-layered fabric weave, a basket weave, a co-woven fabric weave, a partial co-woven fabric weave, and a mixed weave thereof, and the weight per area of the fabric layer is 10 g/mm | 02-23-2012 |
20120080871 | INFLATABLE BOLSTER - 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. | 04-05-2012 |
20120104737 | AIR BAG WITH TETHER AND PULLEY ARRANGEMENT - An apparatus ( | 05-03-2012 |
20120235393 | AIR BAG WITH VARIABLE VENTING - An apparatus ( | 09-20-2012 |
20130020790 | Valve Device and Airbag Comprising Such a Valve Device, and Method for Operating Such a Valve Device - A valve mechanism for a gaseous medium of an airbag is provided. The valve mechanism includes a first and second layer, which respectively include a passage opening that is substantially closed in a closed position of the valve mechanism by a corresponding cover region of the other respective layer. An adjusting element in the form of a tube with an adjustable volume provides a temporary passage position of the valve mechanism by lifting one of the cover regions of the corresponding layer from the corresponding passage opening. | 01-24-2013 |
20130026744 | AIR BAG WITH VARIABLE VENTING - An apparatus ( | 01-31-2013 |
20130076013 | SIDE AIRBAG APPARATUS - The airbag has a front portion, in which a front chamber is formed, a rear portion, in which a rear chamber is formed, and a partition, which partitions the front and rear chambers from each other. The partition has a communication passage for connecting the front and rear chambers to communicate to each other. A pressure regulating valve is located in the passage. At an early stage of a supply period during which an inflator supplies inflation gas to the airbag, the valve is closed to restrict flow of the inflation gas from the rear chamber to the front chamber via the passage. The valve is opened during the supply period to permit the inflation gas to flow therethrough. A front portion of the airbag is roll-folded, while a rear portion is accordion-folded. The airbag front portion and the airbag rear portion are located in front of the inflator. | 03-28-2013 |
20130099470 | AIRBAG MODULE AND METHOD FOR CONTROLLING GAS THEREIN - 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. | 04-25-2013 |
20130221644 | AIRBAG WITH MULTI-STATE VENT - An air bag having a tri-state vent, in an initial state the vent is configured to be closed, the vent in a medial state configured to be at least partially open or fully open as the air bag is starting to inflate permitting some inflator gas to exit through the vent and the vent in a final state configured to be at least partially closed or fully closed as the air bag continues to inflate. | 08-29-2013 |
20130221645 | VEHICLE AIRBAG STRUCTURE - 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. | 08-29-2013 |
20130229004 | AIRBAG DEVICE - The present invention provides an airbag device that is capable of restraining a rectification cloth that switches a vent hole to an opened or closed state so as not to be twisted, and that is capable of switching the vent hole from an opened state to a closed state, and further, switching to the opened state. At an initial stage at which an airbag main body inflates and expands, the vent hole | 09-05-2013 |
20130234423 | AIRBAG APPARATUS - An airbag apparatus for vehicle includes: an airbag body formed by joining outer peripheral portions of two base cloths, the two base cloths being superimposed on each other; an inflator introducing gas to an inside of the airbag body; and a vent hole formed on the airbag body and configured of a slit, the vent hole communicating between the inside and an outside of the airbag body, the slit being formed so as to be directed from the outer peripheral portions toward central portions of the two base cloths over the two base cloths. | 09-12-2013 |
20130341896 | AIRBAG APPARATUS - An inflation portion of an airbag is divided by a partitioning member into an upstream inflation portion and a downstream inflation portion. Part of the partitioning member forms a pair of overlapping portions overlapped with each other in a band-like shape inside the upstream inflation portion. The overlapping portions are joined to each other by a joint portion located at a boundary between the overlapping portions and non-overlapping portions. The partitioning member includes an opening, which is formed by cancelling the joint between the overlapping portions by the joint portion, and a pressure regulating valve, which includes a pair of valve bodies, which sandwiches the opening. Stress relaxation portions are provided at the overlapping portions. The stress relaxation portions relax stress acting on parts of the joint portion that are adjacent to the opening as the pressure regulating valve is opened. | 12-26-2013 |
20140008903 | AIRBAG APPARATUS - An airbag includes a high pressure expansion chamber, a low pressure expansion chamber, and a communication passage, which connects the high pressure expansion chamber and the low pressure expansion chamber to each other. A gas supply port, which supplies inflation gas into the airbag, is located inside the low pressure expansion chamber to discharge the inflation gas toward the inside of the communication passage. The communication passage extends from the edge of a communication port, which connects the high pressure expansion chamber and the low pressure expansion chamber, toward the inside of the high pressure expansion chamber. At deployment and inflation of the airbag, the communication passage is located between a seam formed at the outer periphery of the base fabric sheet of the airbag and the gas supply port. | 01-09-2014 |
20140035266 | INFLATION METHOD AND APPARATUS FOR AN AIRBAG - An airbag device includes an airbag comprising foam bulk at least partially surrounded by a flexible membrane, the airbag compressible from a second volume to a first volume; a locking mechanism for maintaining the airbag compressed to the first volume; a one-way valve openable to deliver air to the airbag when the locking mechanism is released; and wherein when the locking mechanism is released, the airbag expands. | 02-06-2014 |
20140042735 | AIRBAG APPARATUS - An inflation portion of an airbag, which is inflated by inflation gas, is partitioned into an upstream inflation portion and a downstream inflation portion via a partition member. When being tensioned in a planar manner, the partition member has a length in a longitudinal direction that is longer than a length in a transverse direction perpendicular to the longitudinal direction. A pressure regulating valve that is closed at an early stage of a supply period of the inflation gas to the inflation portion and is opened from the middle of the supply period includes a slit-like inner opening that is provided on the partition member and extends in the transverse direction and a pair of valve body portions that are provided around the inner opening and are selectively positioned close to and separated from each other. | 02-13-2014 |
20140125042 | Ventil - The invention refers to a valve ( | 05-08-2014 |
20140306435 | DIFFUSER POCKET FOR AIRBAG AND METHOD OF MANUFACTURING THE SAME - A diffuser pocket for an airbag according to the present invention includes: an insertion portion into which a tip portion of an inflator is inserted; and a gas discharging portion which guides and discharges high-pressure gas injected from the inflator to an airbag cushion, in which the insertion portion has front and rear insertion portions in which lower portions are folded and upper portions are sewn, and the gas discharging portion has front and rear gas discharging surfaces in which a left line is folded, and upper portions and left portions are sewed, thereby preventing damage due to high-temperature and high-pressure gas injected from the inflator. | 10-16-2014 |
20140319809 | Airbag, In Particular for a Motor Vehicle - An airbag for a motor vehicle includes a support structure having a plurality of hollow body parts. The support structure is moveable from a storage position to a support position by inserting gas into the hollow body parts and by which a support volume of the airbag is at least partially covered in its support position. The airbag also includes at least one overflow opening via which the gas is able to be introduced into the support volume from at least one of the hollow body parts. | 10-30-2014 |
20140375038 | Airbag with Adjustable Safety Valve - Airbag with adjustable safety valve comprising a vent aperture made in the fabric of the airbag, at least one membrane of an elastic material attached to said fabric at a union area, said membrane being stretched across the width of said vent aperture and defining a variable area with an orifice that is smaller than the vent aperture, the orifice being deformed and growing with the pressure increase in the airbag, characterised in that between the variable area and the union areas, the membrane has a reinforcement area in the form of a containment ring with a greater thickness than that of the variable area, which controls the maximum aperture of the orifice. | 12-25-2014 |
20150014973 | AIRBAG MODULE INCLUDING AIRBAG WITH DIFFUSER - An airbag module includes an inflatable cushion, an inflator configured to provide inflation gas for inflating the cushion, and a diffuser for directing the inflation gas from the inflator into the airbag. The diffuser is tubular and includes a first opening at one end for connecting to the inflator. The diffuser includes second and third openings located at the other end of the diffuser so that inflation gas is distributed into the inflatable cushion in two different directions. | 01-15-2015 |
20150021889 | AIRBAG WITH SLIT VENT - 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. | 01-22-2015 |
20150084319 | BASE FABRIC FOR AIR BAG WHICH HARDLY CAUSES "BOTTOMING" UPON COLLISION - There is disclosed a non-coated base fabric for air bag characterized in that maximum value of inner pressure of a woven fabric in measurement of dynamic air permeability at 50 to 65° C. is 70 to 100 kpa and biaxial strain rate of the base fabric at that time is 2.9 to 4.0%. Preferably, a yarn which constitutes the woven fabric is Nylon 66 fiber, content of an oil component remaining in the woven fabric is 0.04 to 0.60% by weight to the woven fabric, main ingredient of the oil component is an olefin type polymer having a melting point of 60° C. or lower, and the woven fabric contains 20 to 200 ppm of a phosphorus component. | 03-26-2015 |
20150115584 | PARTIAL LOW RISK DEPLOYMENT VENT ASSEMBLY FOR AN AIRBAG ASSEMBLY - An exemplary vent assembly for an airbag assembly having an airbag cushion may have at least one panel attachable to the airbag cushion. The airbag cushion may be inflatable by a gas, and may define at least one opening that has a first area. The at least one opening may be configured to allow at least a portion of the gas to exit the airbag cushion. The at least one panel may be positionable over the at least one opening to partially obstruct the at least one opening. | 04-30-2015 |
20150336534 | AIRBAG APPARATUS - Provided is an airbag apparatus in which a discharge rate of gas discharged from an airbag is adjusted. To this end, the airbag apparatus according to the exemplary embodiment of the present invention includes: an airbag which has a vent hole through which gas is discharged; and a vent rate adjusting member which is coupled to the airbag while covering the vent hole, and adjusts a discharge rate of gas discharged through the vent hole, in which the vent rate adjusting member is folded and coupled to the airbag, and has a communicating hole, such that the communicating hole comes into communication with the vent hole when the vent rate adjusting member is unfolded by expansive force of the airbag. | 11-26-2015 |
20150343984 | AIRBAG WITH MULTIPLE LAYERS OF CUSHIONING EFFECT - An airbag includes a bag body and a buffering pad. The bag body includes a cushioning surface and an opposite back surface, which together define an air chamber between them. The cushioning surface and the back surface are partially sawed and clinched in certain pattern. The air chamber of the bag body is provided with an air inlet. The buffering pad is partially connected to the periphery of the cushioning surface side of the bag body. The size of the buffering pad is smaller than that of the cushioning surface. While the airbag is inflated, the bag body is deployed at a limited thickness due to the clinched sawing and also pulled by the smaller sized buffering pad into an arch formed air shield. At the same time a buffering space is formed between the buffering pad and the cushioning surface. | 12-03-2015 |
20150343988 | ELECTRICALLY CONTROLLED VARIABLE FORCE DEPLOYMENT AIRBAG AND INFLATION - The rate of combustion of an electrically operated propellant having self-sustaining threshold of at least 1,000 psi is controlled to produce chamber pressures that are sufficient to produce a desired pressure profile in the airbag to accommodate a range of human factors and crash conditions yet never exceeding the self-sustaining threshold. The combustion of the propellant is extinguished to control the total pressure impulse delivered to the airbag. Propellants formed with an ionic perchlorate-based oxidizer have demonstrated thresholds in excess of 1,500 psi and higher. | 12-03-2015 |
20150360640 | SELF-ACTUATING FLOW RESTRICTOR FOR A VEHICLE AIRBAG ASSEMBLY - An inflatable airbag assembly includes first and second walls sealably connected to define an inflatable bladder having an interior volume that is operable between inflated and deflated states. At least one pleat is defined within at least one of the first and second walls, and defines an expanded portion of the interior volume. First and second slits are defined within the first wall that define a vent in communication with the expanded portion of the interior volume, wherein the vent defines an open position with the inflatable bladder in the deflated state, and wherein the vent moves to a closed position as the inflatable bladder operates to the inflated state. | 12-17-2015 |
20150367809 | GAS BAG ARRANGEMENT FOR A VEHICLE OCCUPANT RESTRAINT SYSTEM - A gas hag arrangement for a vehicle occupant restraint system comprises an inflatable gas hag, wherein the gas bag includes at least one vent device for venting gas from the gas bag, wherein the vent device in a first condition has a first outflow cross-section and in a second condition a second outflow cross-section; as well as a release mechanism which initially fixes the vent device and which releases the same after activation. The release mechanism includes an element to be filled with gas, with which the vent device is connected such that before filling of the tillable element it is fixed at the same and during filling of the fillable element is detached from the same, wherein the vent device is directly or indirectly connected with the tillable element via a releasable connection which will tear during filling of the fillable element and release the vent device. | 12-24-2015 |
20160046256 | DRIVER AIRBAG APPARATUS - Provided is a driver airbag apparatus capable of adjusting deployment pressure of an airbag by adjusting an amount of gas discharged to the outside of the airbag. To this end, according to the airbag apparatus according to an exemplary embodiment of the present invention, a vent cover and a tether are installed to the airbag, and a vent hole formed in the airbag is opened or shielded by the vent cover and the tether. | 02-18-2016 |
20160059820 | VALVE FOR A COLD GAS GENERATOR AND AIRBAG SYSTEM - A valve for a cold gas generator for an airbag in a vehicle includes: a valve chamber; a control chamber; a control piston; an overflow channel; a retaining element; and a shutoff element. The valve chamber includes an inlet from the cold gas generator and an outlet to the airbag. The control piston separates the control chamber and the valve chamber. The control piston is movable between an open position and a closed position, the control piston releasing the outlet in the open position and closing it in the closed position. The control piston has (i) a first active piston surface on the side of the valve chamber, and (ii) a second active piston surface on the side of the control chamber. The first piston surface is smaller than the second piston surface. The overflow channel fluidically connects the valve chamber and the control chamber to one another. | 03-03-2016 |
20160068132 | AIRBAG WITH MULTI-STATE VENT - An air bag having a tri-state vent, in an initial state the vent is configured to be closed, the vent in a medial state configured to be at least partially open or fully open as the air bag is starting to inflate permitting some inflator gas to exit through the vent and the vent in a final state configured to be at least partially closed or fully closed as the air bag continues to inflate. | 03-10-2016 |