US20040046369A1 - Passenger side module with two airbags - Google Patents
Passenger side module with two airbags Download PDFInfo
- Publication number
- US20040046369A1 US20040046369A1 US10/235,569 US23556902A US2004046369A1 US 20040046369 A1 US20040046369 A1 US 20040046369A1 US 23556902 A US23556902 A US 23556902A US 2004046369 A1 US2004046369 A1 US 2004046369A1
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- US
- United States
- Prior art keywords
- airbag
- inflator
- base plate
- module according
- airbags
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/20—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components
- B60R21/217—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together
- B60R21/2171—Inflation fluid source retainers, e.g. reaction canisters; Connection of bags, covers, diffusers or inflation fluid sources therewith or together specially adapted for elongated cylindrical or bottle-like inflators with a symmetry axis perpendicular to the main direction of bag deployment, e.g. extruded reaction canisters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R2021/23107—Inflatable members characterised by their shape, construction or spatial configuration the bag being integrated in a multi-bag system
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R2021/26058—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using a combination of inflators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/26—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow
- B60R21/263—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using a variable source, e.g. plural stage or controlled output
- B60R2021/2633—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags characterised by the inflation fluid source or means to control inflation fluid flow using a variable source, e.g. plural stage or controlled output with a plurality of inflation levels
Definitions
- This invention relates to a vehicle occupant safety restraint for the passenger side and in particular relates to an airbag module capable of deploying two separate airbags.
- Airbags Vehicle inflatable restraints or airbags are deployed in car accidents to help reduce injuries sustained to the occupants.
- the airbags are stored in an airbag module installed in various parts of the vehicle, such as within the steering wheel or behind the instrument panel.
- the airbag module housing an airbag, it also houses an inflator which provides gas for inflating the airbag.
- the airbag When the vehicle undergoes rapid deceleration, as occurs during a head on collision, the airbag rapidly inflates due to the introduction of an inflation gas into the airbag interior.
- airbags were designed to protect the 50 th percentile man who was not out of position.
- An out of position occupant is one that is not sitting properly in his/her seat, for example, the occupant is leaning toward the front of the car, the occupant has a limb near or touching the instrument panel, etc. Since airbags are aggressively filled, an out of position occupant, an unrestrained occupant, or a child may be injured by contacting the airbag while it is being inflated.
- These smart airbag systems often require sophisticated airbag designs that has multiple compartments and tethers.
- the present invention aims to provide an airbag design that is cheaper and lighter while still having the ability to protect children and out of position occupants.
- An airbag module having one or more inflators, a first airbag, and a second airbag.
- the first airbag has substantially a “L” cross section in its deployed state.
- the second airbag is attached to the first airbag by stitching.
- Three different deployment scenarios are contemplated by the present invention.
- the first deployment scenario is the deployment of only the first airbag.
- the second deployment scenario is the deployment of only the second airbag.
- the last deployment scenario is the deployment of the first and second airbags.
- FIG. 1 is a perspective view of a base plate with two inflators.
- FIG. 2 is a side view of the base plate with an inflator.
- FIG. 3 is a perspective view of the two top plates.
- FIG. 4 is a perspective view of the inflated airbags.
- the base plate 1 serves the purpose of housing the inflators 2 and for directing gas flow from the inflators.
- the base plate 1 has two cylindrically shaped recesses 3 defining an area for receiving tubular shaped inflators.
- the base plate 1 is made from stainless steel, but other suitable materials may be employed such as aluminum, plastics, etc.
- the inflators 2 shown in FIG. 1 have endcap 5 comprising an igniter or squib.
- the igniter has a socket for receiving an electrical wire from an electronic control unit (not shown), which receives signals from various crash and/or occupant sensors.
- the inflators 2 represented in FIG. 1 represent a generic inflator and may be a cold gas inflator or a hybrid infaltor. Both of these inflator generally have a tubular shape.
- the cold gas inflator operates by quickly releasing inflation gas to fill an airbag.
- the hybrid inflator operates by releasing heated inflation gas to fill an airbag.
- the gas is heated by burning a heating material that is mixed with the stored gas.
- other types of inflators may be employed in the present invention namely a pyrotechnic inflator.
- the inflators 2 are installed into the base plate 1 by first adding a first retainer 6 to the end cap 5 of the inflator.
- the first retainer 6 is preferably made from a nylon material.
- the base plate 1 has one large igniter access slot 7 on each of its side portions for receiving the end caps 5 of the inflators.
- Each inflator is secured to the base plate 1 by an interference fit created by the incorporation of a second retainer 9 between the bottom end 8 of the inflator and the base plate 1 .
- the second retainer 9 is added after the inflator is dropped into the base plate 1 and slid as far as possible in the direction of the slot 7 .
- the present invention may accommodate inflators 2 of various lengths by utilizing retainers of various thickness.
- the inflators 2 are oriented in opposite directions so that the end cap of one inflator is facing the opposite direction as the end cap from the other inflator.
- the benefit of mounting the inflators in opposite directions is the avoidance of accidental actuation of an inflator by the other inflator. Even though highly improbable, the heat generated by the actuation of one inflator could ignite pyrotechnic material in the second inflator. Even though not the preferred embodiment, the inflators 2 may be positioned so that they are facing the same direction.
- FIG. 2 shows a side view of one of the inflators 2 mounted in the base plate 1 .
- the retainer 9 abuts both the bottom end 8 of the inflator and the side wall of the base plate 1 .
- the retainer 9 prevents the inflator from sliding back and forth in the base plate 1 .
- the recesses 3 have a depth so that no portion of the inflator extends above the base plate 1 .
- top plates 15 are shown in FIG. 3, and each of these plates has a long cut out section 14 for inflation gas to pass through during the filling of the airbag. Only inflation gas from one inflator travels through one top plate 15 .
- FIG. 4 shows the two inflated airbags contemplated in the present invention.
- the first and second airbags are made of a suitable airbag material.
- Each airbag comprises an inflation chamber which is capable of receiving inflation gas upon deployment of the vehicle occupant protection system during a vehicle crash.
- the airbag material has a ventilation opening therein for venting inflation gas to provide a compliant airbag surface upon impact by a vehicle occupant.
- the term “airbag material” is understood to mean any suitable coated or uncoated woven fabric as well as nonwoven films that may be used for an airbag.
- the first airbag 16 has substantially an L shaped cross section in a deployed state and is larger in terms of volume than the second airbag. This L shape configuration will provide a large occupant contact area as well as cover the gap between the first and second airbags.
- the second airbag 17 is disposed adjacent to the first airbag 16 .
- the side portion 18 has a concave edge and this edge mates with a complimentary surface on the first airbag.
- the side portion of the second airbag 17 may have other curvilinear shapes as well as a flat shape.
- the first and second airbags are tacked together along the side portion 18 and top portion 19 of the second airbag 17 . When both airbags are deployed, only the first airbag 16 contacts the occupant's torso during a crash.
- the airbags are attached to the base plate 1 via the top plates 15 .
- the holes (not shown) of the top plates 15 are aligned with the holes of the airbag (not shown).
- Fasteners 20 are inserted through the holes in the top plates 15 , the holes in the airbags, and then through the holes in the base plate 1 .
- the fasteners may be permanently afixed to the top plate. Nuts are utilized to engage with the fasteners to secure them in place. Alternatively, the holes in the base plate 1 may be threaded eliminating the need for nuts.
- the airbag module is designed to be versatile in nature to reduce injury to out of position occupants.
- the first deployment situation only the first airbag is deployed; however, since the airbags are stitched to one another, the uninflated second airbag exits the airbag module with the first airbag.
- the uninflated second airbag does not interfere with the performance of the first airbag.
- the second deployment scenario only the second airbag is deployed to provide protection to the out of position children.
- the first airbag does not inflate but still leaves the airbag module with the second airbag because the airbags are stitched to one another.
- the uninflated first airbag does not interfere with the performance of the second airbag.
- both of the airbags are deployed to afford maximum protection to a full size occupant.
- the inflation gas exits the inflator 2 through the exit ports.
- the base plate 1 acts as a manifold in directing the inflation gas toward the airbags.
- the inflation gas passes through the cut out section 14 in the top plate 15 and ultimately travels into the airbag.
- Inflation gas from one of the inflators provides inflation gas for the first airbag, and the other inflator provides inflation gas for second airbag.
- the utilization of two separate top ensures that inflation gas from one inflator only flows into one of the airbags. Since the first airbag 16 has a larger volume than the first airbag, the inflator providing inflation gas needs to have a greater gas output than the other inflator.
Abstract
Description
- This invention relates to a vehicle occupant safety restraint for the passenger side and in particular relates to an airbag module capable of deploying two separate airbags.
- Vehicle inflatable restraints or airbags are deployed in car accidents to help reduce injuries sustained to the occupants. The airbags are stored in an airbag module installed in various parts of the vehicle, such as within the steering wheel or behind the instrument panel. In addition to the airbag module housing an airbag, it also houses an inflator which provides gas for inflating the airbag. When the vehicle undergoes rapid deceleration, as occurs during a head on collision, the airbag rapidly inflates due to the introduction of an inflation gas into the airbag interior.
- Traditionally, airbags were designed to protect the 50th percentile man who was not out of position. An out of position occupant is one that is not sitting properly in his/her seat, for example, the occupant is leaning toward the front of the car, the occupant has a limb near or touching the instrument panel, etc. Since airbags are aggressively filled, an out of position occupant, an unrestrained occupant, or a child may be injured by contacting the airbag while it is being inflated. There has been much effort in developing a smart airbag system that can detect the size and position of an occupant. These smart airbag systems often require sophisticated airbag designs that has multiple compartments and tethers.
- The present invention aims to provide an airbag design that is cheaper and lighter while still having the ability to protect children and out of position occupants.
- An airbag module having one or more inflators, a first airbag, and a second airbag. The first airbag has substantially a “L” cross section in its deployed state. The second airbag is attached to the first airbag by stitching. Three different deployment scenarios are contemplated by the present invention. The first deployment scenario is the deployment of only the first airbag. The second deployment scenario is the deployment of only the second airbag. The last deployment scenario is the deployment of the first and second airbags.
- FIG. 1 is a perspective view of a base plate with two inflators.
- FIG. 2 is a side view of the base plate with an inflator.
- FIG. 3 is a perspective view of the two top plates.
- FIG. 4 is a perspective view of the inflated airbags.
- As seen in FIG. 1, two
inflators 2 are mounted into a base plate 1. The base plate 1 serves the purpose of housing theinflators 2 and for directing gas flow from the inflators. The base plate 1 has two cylindricallyshaped recesses 3 defining an area for receiving tubular shaped inflators. One skilled in the art appreciates that othershaped recesses 3 can be utilized to accommodate other shaped inflators. The base plate 1 is made from stainless steel, but other suitable materials may be employed such as aluminum, plastics, etc. Around the circumference of the base plate 1 and along the dividing member, there are a plurality ofholes 4 for receivingfasteners 20 for fastening thetop plate 15 to the base plate 1. - The
inflators 2 shown in FIG. 1 haveendcap 5 comprising an igniter or squib. The igniter has a socket for receiving an electrical wire from an electronic control unit (not shown), which receives signals from various crash and/or occupant sensors. Theinflators 2 represented in FIG. 1 represent a generic inflator and may be a cold gas inflator or a hybrid infaltor. Both of these inflator generally have a tubular shape. The cold gas inflator operates by quickly releasing inflation gas to fill an airbag. On the other hand, the hybrid inflator operates by releasing heated inflation gas to fill an airbag. The gas is heated by burning a heating material that is mixed with the stored gas. Even though not illustrated, other types of inflators may be employed in the present invention namely a pyrotechnic inflator. - The
inflators 2 are installed into the base plate 1 by first adding afirst retainer 6 to theend cap 5 of the inflator. Thefirst retainer 6 is preferably made from a nylon material. The base plate 1 has one largeigniter access slot 7 on each of its side portions for receiving theend caps 5 of the inflators. Each inflator is secured to the base plate 1 by an interference fit created by the incorporation of asecond retainer 9 between thebottom end 8 of the inflator and the base plate 1. Thesecond retainer 9 is added after the inflator is dropped into the base plate 1 and slid as far as possible in the direction of theslot 7. The present invention may accommodateinflators 2 of various lengths by utilizing retainers of various thickness. Preferably, theinflators 2 are oriented in opposite directions so that the end cap of one inflator is facing the opposite direction as the end cap from the other inflator. The benefit of mounting the inflators in opposite directions is the avoidance of accidental actuation of an inflator by the other inflator. Even though highly improbable, the heat generated by the actuation of one inflator could ignite pyrotechnic material in the second inflator. Even though not the preferred embodiment, theinflators 2 may be positioned so that they are facing the same direction. - FIG. 2 shows a side view of one of the
inflators 2 mounted in the base plate 1. As seen in FIG. 2, theretainer 9 abuts both thebottom end 8 of the inflator and the side wall of the base plate 1. Theretainer 9 prevents the inflator from sliding back and forth in the base plate 1. As can be seen from FIG. 2, therecesses 3 have a depth so that no portion of the inflator extends above the base plate 1. - The
top plates 15 are shown in FIG. 3, and each of these plates has a long cut outsection 14 for inflation gas to pass through during the filling of the airbag. Only inflation gas from one inflator travels through onetop plate 15. - FIG. 4 shows the two inflated airbags contemplated in the present invention. The first and second airbags are made of a suitable airbag material. Each airbag comprises an inflation chamber which is capable of receiving inflation gas upon deployment of the vehicle occupant protection system during a vehicle crash. The airbag material has a ventilation opening therein for venting inflation gas to provide a compliant airbag surface upon impact by a vehicle occupant. As used herein, the term “airbag material” is understood to mean any suitable coated or uncoated woven fabric as well as nonwoven films that may be used for an airbag.
- The
first airbag 16 has substantially an L shaped cross section in a deployed state and is larger in terms of volume than the second airbag. This L shape configuration will provide a large occupant contact area as well as cover the gap between the first and second airbags. - The
second airbag 17 is disposed adjacent to thefirst airbag 16. When both airbags are fully deployed, there is substantially no gap between oneside portion 18 and thetop portion 19 of thesecond airbag 17 and the first airbag. Theside portion 18 has a concave edge and this edge mates with a complimentary surface on the first airbag. One skilled in the art appreciates that the side portion of thesecond airbag 17 may have other curvilinear shapes as well as a flat shape. The first and second airbags are tacked together along theside portion 18 andtop portion 19 of thesecond airbag 17. When both airbags are deployed, only thefirst airbag 16 contacts the occupant's torso during a crash. - The airbags are attached to the base plate1 via the
top plates 15. The holes (not shown) of thetop plates 15 are aligned with the holes of the airbag (not shown).Fasteners 20 are inserted through the holes in thetop plates 15, the holes in the airbags, and then through the holes in the base plate 1. As oppose to the fasteners being inserted through the holes in thetop plate 15, the fasteners may be permanently afixed to the top plate. Nuts are utilized to engage with the fasteners to secure them in place. Alternatively, the holes in the base plate 1 may be threaded eliminating the need for nuts. - The airbag module is designed to be versatile in nature to reduce injury to out of position occupants. The are three different deployment scenarios contemplated in the present invention. In the first deployment situation, only the first airbag is deployed; however, since the airbags are stitched to one another, the uninflated second airbag exits the airbag module with the first airbag. The uninflated second airbag does not interfere with the performance of the first airbag. In the second deployment scenario, only the second airbag is deployed to provide protection to the out of position children. In this deployment scenario, the first airbag does not inflate but still leaves the airbag module with the second airbag because the airbags are stitched to one another. The uninflated first airbag does not interfere with the performance of the second airbag. In the third deployment scenario, both of the airbags are deployed to afford maximum protection to a full size occupant.
- In operation, the inflation gas exits the
inflator 2 through the exit ports. The base plate 1 acts as a manifold in directing the inflation gas toward the airbags. The inflation gas passes through the cut outsection 14 in thetop plate 15 and ultimately travels into the airbag. Inflation gas from one of the inflators provides inflation gas for the first airbag, and the other inflator provides inflation gas for second airbag. The utilization of two separate top ensures that inflation gas from one inflator only flows into one of the airbags. Since thefirst airbag 16 has a larger volume than the first airbag, the inflator providing inflation gas needs to have a greater gas output than the other inflator. - While the invention has been described by reference to certain preferred embodiments, it should be understood that numerous changes could be made within the spirit and scope of the inventive concepts described. Accordingly it is intended that the invention not be limited to the disclosed embodiments, but that it have the full scope permitted by the language of the following claims.
Claims (17)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/235,569 US6709009B1 (en) | 2002-09-06 | 2002-09-06 | Passenger side module with two airbags |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US10/235,569 US6709009B1 (en) | 2002-09-06 | 2002-09-06 | Passenger side module with two airbags |
Publications (2)
Publication Number | Publication Date |
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US20040046369A1 true US20040046369A1 (en) | 2004-03-11 |
US6709009B1 US6709009B1 (en) | 2004-03-23 |
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US10/235,569 Expired - Fee Related US6709009B1 (en) | 2002-09-06 | 2002-09-06 | Passenger side module with two airbags |
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Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
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US20060103121A1 (en) * | 2004-11-15 | 2006-05-18 | Seung-Jae Song | Low risk deployment passenger airbag system |
US7070201B2 (en) | 2004-06-07 | 2006-07-04 | Cis Tech, Llc | Low risk deployment passenger airbag system |
US20070024036A1 (en) * | 2004-11-15 | 2007-02-01 | Seung-Jae Song | Low risk deployment passenger airbag system |
US20070210565A1 (en) * | 2004-11-15 | 2007-09-13 | Cis Tech Llc | Low risk deployment passenger airbag system with knee protection |
DE102008026796A1 (en) * | 2008-06-02 | 2009-12-03 | Takata-Petri Ag | Air bag module, has gas bag housing for accommodating gas bag, and gas generator housing provided with two housing parts, which are identical to each other and connected with each other using engaging pats |
US20110074137A1 (en) * | 2009-09-30 | 2011-03-31 | Honda Motor Co., Ltd. | Airbag system of saddle-ride type vehicle |
US20130009430A1 (en) * | 2011-07-07 | 2013-01-10 | Zodiac Aerospace | Energy absorber |
US9248799B2 (en) * | 2014-06-03 | 2016-02-02 | Autoliv Asp, Inc. | Dual cushion airbag with independent inflation |
US9272684B1 (en) | 2014-10-10 | 2016-03-01 | Autoliv Asp, Inc. | Multi-chamber airbag with pinch valve |
US9376084B2 (en) | 2013-12-07 | 2016-06-28 | Autoliv Asp, Inc. | Multi-chamber airbags |
US9533652B1 (en) | 2015-07-14 | 2017-01-03 | Autoliv Asp, Inc. | One-directional valve for multi-chamber airbags |
US9580039B2 (en) | 2014-04-22 | 2017-02-28 | Autoliv Asp, Inc. | Multi-chamber airbag with unidirectional vent |
EP3280620A4 (en) * | 2015-04-09 | 2018-12-05 | Autoliv ASP, Inc. | Airbag assemblies for vehicles with generous leg room |
US10293777B2 (en) | 2016-08-26 | 2019-05-21 | Autoliv Asp, Inc. | Multi-cushion airbag assemblies for reducing rotational velocity of an occupant's head |
DE102020126393A1 (en) | 2020-10-08 | 2022-04-14 | Zf Automotive Germany Gmbh | Vehicle occupant protection system and method for activating a vehicle occupant protection system |
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US20050029781A1 (en) * | 2003-08-08 | 2005-02-10 | Enders Mark L. | Dual cushion passenger airbag |
US20060011495A1 (en) * | 2004-06-28 | 2006-01-19 | Brian Hood | Pyrotechnic safety device and method of use |
US7318599B2 (en) * | 2004-08-09 | 2008-01-15 | Indiana Mills & Manufacturing Inc. | Modular inflatable restraint apparatus |
US7942443B2 (en) * | 2006-02-17 | 2011-05-17 | Tk Holdings Inc. | Airbag system |
US20080054602A1 (en) * | 2006-08-29 | 2008-03-06 | Key Safety Systems, Inc. | Passenger side twin airbag module assembly |
JP5377583B2 (en) | 2011-06-30 | 2013-12-25 | 富士重工業株式会社 | Crew protection device |
JP5377582B2 (en) * | 2011-06-30 | 2013-12-25 | 富士重工業株式会社 | Crew protection device |
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7070201B2 (en) | 2004-06-07 | 2006-07-04 | Cis Tech, Llc | Low risk deployment passenger airbag system |
US20070024036A1 (en) * | 2004-11-15 | 2007-02-01 | Seung-Jae Song | Low risk deployment passenger airbag system |
US20070210565A1 (en) * | 2004-11-15 | 2007-09-13 | Cis Tech Llc | Low risk deployment passenger airbag system with knee protection |
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