WO2016152245A1 - エアバッグ装置 - Google Patents
エアバッグ装置 Download PDFInfo
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- WO2016152245A1 WO2016152245A1 PCT/JP2016/052617 JP2016052617W WO2016152245A1 WO 2016152245 A1 WO2016152245 A1 WO 2016152245A1 JP 2016052617 W JP2016052617 W JP 2016052617W WO 2016152245 A1 WO2016152245 A1 WO 2016152245A1
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- vent
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/02—Occupant safety arrangements or fittings, e.g. crash pads
- B60R21/16—Inflatable occupant restraints or confinements designed to inflate upon impact or impending impact, e.g. air bags
- B60R21/23—Inflatable members
- B60R21/231—Inflatable members characterised by their shape, construction or spatial configuration
- B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
-
- 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
- B60R21/207—Arrangements for storing inflatable members in their non-use or deflated condition; Arrangement or mounting of air bag modules or components in vehicle seats
-
- 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
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
-
- 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
- B60R21/239—Inflatable members characterised by their venting means
-
- 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
- B60R21/23138—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection
- B60R2021/23146—Inflatable members characterised by their shape, construction or spatial configuration specially adapted for side protection seat mounted
-
- 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
- B60R21/233—Inflatable members characterised by their shape, construction or spatial configuration comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other
- B60R2021/23316—Inner seams, e.g. creating separate compartments or used as tethering means
Definitions
- the present invention relates to an airbag device that restrains a passenger in a vehicle seat when an impact occurs on the vehicle.
- An airbag is a safety device that operates in an emergency such as a vehicle collision, and inflates and deploys with gas pressure to receive and protect an occupant.
- An airbag is a safety device that operates in an emergency such as a vehicle collision, and inflates and deploys with gas pressure to receive and protect an occupant.
- airbags There are various types of airbags depending on the installation location and application.
- a front airbag device is provided at the center of the steering wheel in order to protect the driver from collisions in the front-rear direction.
- a curtain airbag device is provided near the ceiling above the side window, and a side airbag device is provided on the side of the seat in order to protect the occupant from impacts in the vehicle width direction due to side collisions. Is provided.
- the cushions of various airbag devices are often divided into a plurality of regions in consideration of the behavior during deployment and the occupant restraint force.
- the side airbag device described in Patent Document 1 has a double structure in which an inner bag is provided inside an outer bag.
- the inner bag is inflated to a high pressure to restrain the vicinity of the occupant's shoulder
- the outer bag is inflated to a low pressure to restrain the vicinity of the occupant's chest.
- the configuration in which the inside of the cushion is partitioned by providing an inner bag as in Patent Document 1 increases the amount of cloth material (base fabric) that forms the cushion. Since the amount of the base fabric used affects the material cost when mass-producing the cushion, it is more effective to keep it as small as possible. Further, in order to perform rapid inflation and deployment, it is necessary to realize a smooth gas flow inside the cushion.
- the present invention has been made in view of such a problem, and an object of the present invention is to provide an airbag device capable of reducing the amount of cushion base fabric used and allowing gas to flow efficiently inside the cushion.
- a typical configuration of an airbag apparatus is a vehicle emergency in which a base fabric including an inflator for supplying gas and at least an exterior panel and an interior panel is formed into a bag shape.
- a cushion that sometimes inflates and deploys with gas to protect the occupant, a base fabric coupling portion that divides the cushion into at least two chambers, and a midway of the base fabric coupling portion.
- an opening portion to which the base fabric is not bonded, and the base fabric bonding portion extends from both ends of the opening portion to one chamber side of the two chambers, and extends from the opening portion to the one chamber.
- the inside of the cushion is partitioned only by joining the base fabric, the amount of the base fabric is not increased, and the material cost can be suppressed.
- the projecting vent by the two rows of vent forming portions combined with the base fabric it is possible to smoothly flow the gas with a simple configuration. For example, it may be possible to provide a vent portion simply by providing an opening (unsewn portion) in the middle of the boundary between the two chambers.
- a vent portion simply by providing an opening (unsewn portion) in the middle of the boundary between the two chambers.
- the protruding vent receives a force from the inside when gas enters, and therefore does not close or break once the gas has entered. Therefore, if it is the said structure, gas can be smoothly flowed and it is possible to achieve rapid expansion
- the projecting vent may have a cylindrical portion in which two rows of vent forming portions extend in parallel to one chamber side. According to this configuration, it is possible to suitably realize a protruding vent extending with the same diameter.
- the projecting vent may have a first conical tube portion in which two rows of vent forming portions extend while gradually separating toward one chamber side. With this configuration, it is possible to realize a protruding vent having a shape that gradually increases in diameter.
- the projecting vent may have a second conical tube portion in which two rows of vent forming portions extend while gradually approaching one chamber side.
- the base fabric coupling portion further includes a circular coupling portion in which the tip of each of the two rows of vent forming portions is closed in a circle, and the protruding vent may be formed of two rows of the vent forming portion and the circular coupling portion. Good. Since the load may concentrate near the tip of the vent forming part, it is possible to disperse the load and prevent damage to the base fabric by providing a circular coupling part.
- the above-mentioned cushion is for a side airbag that inflates and deploys to the side of the occupant of the vehicle seat.
- the other of the two chambers is a rear chamber containing an inflator, and the one chamber is a rear chamber. It is a front chamber that expands and deploys at least in front of the vehicle, and the protruding vent may extend from the opening to the inside of the front chamber. With this configuration, gas can flow smoothly from the rear chamber to the front chamber and can be rapidly expanded and deployed.
- the above-mentioned cushion is for a side airbag that inflates and deploys to the side of a vehicle seat occupant, and one chamber is a rear chamber containing an inflator, and the other of the two chambers is a rear chamber. It is a front chamber that expands and deploys at least in front of the vehicle, and the protruding vent may extend from the opening to the inside of the rear chamber. Even with this configuration, the gas can flow smoothly from the rear chamber to the front chamber, and can be rapidly expanded and deployed.
- the expansion and deployment of the front chamber may be completed later than the expansion and deployment of the rear chamber.
- the airbag device is used as a side airbag, first, the rear chamber located immediately next to the passenger is efficiently filled with gas, and then the front chamber that is inflated and deployed to a wide range in front of the vehicle is filled with gas.
- the cushion can be quickly inflated and deployed with a more stable deployment behavior, thereby achieving early occupant restraint.
- an airbag device capable of suppressing the amount of use of the cushion base fabric and additionally allowing gas to flow efficiently inside the cushion.
- FIG. 1 is a diagram illustrating a side airbag device 100 according to a first embodiment of the present invention.
- FIG. 1A illustrates the side airbag device 100 and the seat 102 on the right side of the vehicle to which the side airbag device 100 is applied from the inside in the vehicle width direction.
- the side airbag device 100 is configured such that the cushion 104 is inflated and deployed on the side of the seat 102.
- the cushion 104 is a bag-like portion that receives the occupant in an emergency such as when an impact occurs on the vehicle, and inflates and expands in a flat shape between the occupant and the side door.
- the cushion 104 is formed in a bag shape by laminating and bonding a plurality of base fabrics.
- a main panel 108a (see FIG. 2) on the vehicle exterior side and a main panel 108b on the vehicle interior side are used as the base fabric, and these base fabrics are sewn into a bag shape.
- the cushion 104 is wound or folded and housed in a housing (not shown) provided on the side of the seat back 106.
- the cushion 104 in the stored state is covered with a seat cover or the like, it cannot be visually recognized from the outside.
- the cushion 104 tears the seat cover and the like, inflates and deploys to the side of the occupant, and restrains the occupant from the side.
- An inflator 110 is installed along with the cushion 104 on the side of the seat back 106.
- the inflator 110 is a gas generator, and receives an operation signal transmitted from the vehicle side when an impact occurs, and supplies gas into the cushion 104.
- the inflator 110 employed in the present embodiment is of a cylinder type (tubular type), and is installed in the cushion 104 so that the longitudinal direction is included in the vertical direction.
- the inflator 110 is exposed to a stud bolt (not shown) integrated on the surface from the inside of the cushion 104 to the outside, and is fastened to a housing or the like on the side portion of the seat back 106.
- Inflators that are in widespread use are filled with a gas generating agent and burned to generate gas, filled with compressed gas and supplied with gas without generating heat, or burned There are hybrid types that use both gas and compressed gas. Any type of inflator 110 can be used.
- FIG. 1B is a diagram illustrating the cushion 104 of FIG. 1A as viewed from the inside in the vehicle width direction.
- FIG. 1B illustrates a dummy doll as the occupant 118.
- the cushion 104 of this embodiment is partitioned into two chambers. As illustrated in FIG. 1A, the cushion 104 is provided with a rear chamber 114 as a first chamber at a lower portion on the rear side of the vehicle, and as a second chamber on the vehicle front side and the vehicle upper side of the rear chamber 114. A front chamber 116 is provided.
- the inflator 110 is installed in the rear chamber 114.
- the rear chamber 114 is inflated and deployed mainly near the shoulder E1 and chest of the occupant 118 to restrain them.
- the rear chamber 114 is provided with an intermediate constraining portion 122 shaped so as to be curved and protrude forward of the vehicle.
- the intermediate restraint portion 122 can efficiently restrain the vicinity of the shoulder E1 of the occupant 118.
- the front chamber 116 has a larger gas capacity than the rear chamber 114, and expands and expands widely from the rear chamber 114 to the front of the vehicle and above the vehicle.
- the front chamber 116 widely restrains the head E2 and arms E3 of the occupant 118 and achieves reliable protection of the occupant 118.
- FIG. 2 is a perspective view illustrating the cushion 104 of FIG.
- a part of the vehicle inner main panel 108 a is omitted from the vehicle inner main panel 108 a and the vehicle outer main panel 108 b constituting the surface of the cushion 104, and the internal configuration is illustrated.
- the cushion 104 is provided with a base fabric coupling portion 120 that divides the interior space into two chambers, a rear chamber 114 and a front chamber 116.
- the base fabric coupling part 120 couples the main panel 108a and the main panel 108b linearly by sewing, welding, or adhesion, and prevents gas from passing therethrough. Most of the base fabric coupling portion 120 is provided along the boundary between the rear chamber 114 and the front chamber 116.
- the base fabric coupling portion 120 includes an upper coupling portion 120a positioned on the upper side with respect to a projecting vent 124 described later, a lower coupling portion 120b positioned on the lower side, and the like.
- As a method of partitioning the cushion 104 for example, there is a method of partitioning by a portion called a baffle provided using a base cloth. Compared to such a method, the cushion 104 partitions the interior only by the base fabric coupling portion 120, so that the amount of material such as the base fabric is not increased, and the material cost can be suppressed.
- the gas is supplied from the rear chamber 114 to the front chamber 116 through the protruding vent 124.
- the projecting vent 124 projects from the other rear chamber 114 of the two chambers into the front chamber 116 and expands and develops in a cylindrical shape to allow gas to flow between the two chambers.
- the protruding vent 124 extends from the both ends of the opening 123 to the front chamber 116 side as a part of the opening 123 provided between the upper coupling portion 120a and the lower coupling portion 120b and the base fabric coupling portion.
- the two vent forming portions 125a and 125b are provided.
- the opening 123 is a portion where the base fabric is not joined, provided in the middle of the base fabric joint 120 that forms the boundary between the rear chamber 114 and the front chamber 116.
- the vent forming portions 125a and 125b are two rows in the upper and lower rows forming the protruding vents 124 of the base fabric coupling portion 120, and the upper vent forming portion 125a and the lower vent forming portion 125b of the opening 123 Is included. With these configurations, a protruding vent 124 extending from the opening 123 to the inside of the front chamber 116 is formed when the cushion 104 is inflated and deployed.
- the two rows of vent forming portions 125 a and 125 b extend in parallel to the front chamber 116 side, and form a cylindrical portion 127 on the protruding vent 124.
- the cylindrical part 127 is a part extending with the same diameter, and occupies the main part of the protruding vent 124 of the present embodiment.
- Circular connection portions 126a and 126b are provided at the tips of the vent formation portions 125a and 125b, respectively.
- the circular coupling portions 126a and 126b close the tips of the vent forming portions 125a and 125b in a circular shape.
- the load tends to concentrate near the tips of the vent forming portions 125a and 125b, it is possible to disperse the load by providing the circular coupling portions 126a and 126b. Is preventing.
- FIG. 3 is a diagram illustrating the process of inflating and deploying the cushion 104 of FIG.
- FIG. 3A when the inflator 110 is operated, first, the rear chamber 114 starts to expand and deploy.
- FIG. 3B illustrates a state in which further gas is supplied from the inflator 110 of FIG. Gas is also supplied from the rear chamber 114 to the front chamber 116 through the protruding vent 124. Specifically, a part of the gas supplied to the rear chamber 114 flows to the front chamber 116 while expanding and deploying the protruding vent 124.
- FIG. 3C is a diagram illustrating the process of inflating and expanding the cushion 104 following FIG. 3B.
- the front chamber 116 is filled with gas with a slight delay, and the expansion and deployment is completed.
- the expansion and expansion of the front chamber 116 is completed with a slight delay from the expansion and expansion of the rear chamber 114 because the gas flows only through the protruding vent 124.
- the gas is efficiently filled in the rear chamber 114 located immediately next to the occupant, and then the gas is filled in the front chamber 116 that is inflated and deployed in a wide range in front of the vehicle. With this configuration, early occupant restraint can be achieved.
- the front chamber 116 is a so-called delay chamber in which expansion and deployment is completed slightly later than the rear chamber 114.
- the front chamber 116 By causing the front chamber 116 to function as a delay chamber, for example, it is possible to reduce harm to an occupant (commonly called out-of-position) that exists in an unexpected posture other than a normal seating state. For example, when the occupant is present near the outside of the seat, the occupant is located in front of the cushion 104, and the cushion 104 comes into linear contact with the occupant.
- the front chamber 116 is a delay chamber, the rigidity of the front chamber 116 is slightly suppressed immediately after the operation of the inflator 110, and the input load to the out-of-position occupant can be reduced.
- the front chamber 116 as a delay chamber, in particular, when the side airbag device 100 is provided on the side opposite to the collision location as seen from the occupant in a side collision or the like (normally far side airbag), inertia It becomes possible to restrain the occupant who has shaken back at a more suitable timing.
- FIG. 4 is a diagram comparing the cushion 104 of FIG. 3C and the cushion 10 of the comparative example.
- FIG. 4A is a cross-sectional view taken along the line AA of the cushion 104 in FIG.
- the protruding vent 124 has a predetermined length in a cylindrical shape, and receives a force from the inside when the gas enters. Therefore, the protruding vent 124 may be closed once the gas has entered. It won't break.
- FIG. 4 (b) is a comparative example of the cushion 104 of FIG. 3 (c), and the protruding vent 124 is omitted.
- the vent part 14 is realized by simply providing an opening (unsewn part) between the upper coupling part 12a and the lower coupling part 12b.
- FIG. 4C is a cross-sectional view taken along line BB in FIG.
- the main panels 108 a and 108 b of the cushion 10 are constricted.
- the vent portion 14 is larger than the rear chamber 114 and the front chamber 116. This is because the length is limited.
- FIG. 4C illustrates a state where the cushion 10 is inflated and deployed ideally, but there is a possibility that an event that obstructs the gas flow occurs in the cushion 10 as shown in FIG.
- an event that obstructs the gas flow occurs in the cushion 10 as shown in FIG.
- the vent part 14 is also pulled up and down.
- the main panels 108a and 108b in the vicinity of the vent portion 14 may be applied with forces 16a and 16b in a direction to close the vent portion 14.
- the vent portion 14 is narrowed, and the gas flow is hindered, and there is a possibility that the supply of gas to the front chamber 116 is delayed.
- the protruding vent 124 having the predetermined length illustrated in FIG. 4A can efficiently receive the gas pressure from the inside, unlike the vent portion 14 of FIG. 4D. For this reason, the protruding vent 124 expands into a cylindrical shape once the gas enters, and then does not close or break. Therefore, with the cushion 104 of the present embodiment, gas can flow smoothly, and rapid inflation and deployment and occupant restraint can be achieved.
- Modification 5 and 6 are diagrams illustrating a modification of the cushion 104 in FIG.
- constituent elements that have already been described are denoted by the same reference numerals and description thereof is omitted.
- components having the same names as the components already described have the same functions as the components already described even if the reference numerals are different.
- the protruding vent 202 extends from the opening 123 to the inside of the rear chamber 114.
- vent forming portions 204a and 204b forming the protruding vent 202 extend from both ends of the opening 123 into the rear chamber 114, and the protruding vent 202 is the other front chamber 116 of the two chambers. It is configured to project from the side to one rear chamber 114 side. Even the protruding vent 202 expands into a cylindrical shape once the gas enters, and does not close or break thereafter. Therefore, the projecting vent 202 can also smoothly flow gas from the rear chamber 114 to the front chamber 116, contributing to rapid expansion and deployment of the cushion 200.
- the cushion 220 of the second modified example of FIG. 5B is also provided with a protruding vent 222 that protrudes from the front chamber 116 side into the rear chamber 114.
- the upper and lower vent forming portions 224 a and 224 b forming the protruding vent 222 are not parallel but extend so as to be gradually separated from each other toward the inside of the rear chamber 114. Accordingly, the protruding vent 222 has a configuration in which the mouth on the rear chamber 114 side, which is the gas inlet, is widened. With this protruding vent 222, it is possible to send the gas more efficiently toward the front chamber 116 than in the protruding vent 222 of FIG.
- a cushion 240 according to a third modification illustrated in FIG. 6A includes a protruding vent 242 that protrudes from the opening 123 into the front chamber 116 and extends.
- a protruding vent 242 that protrudes from the opening 123 into the front chamber 116 and extends.
- two rows of upper vent forming portions 246 a and lower vent forming portions 246 b forming the protruding vents 242 extend in parallel from the opening 123 toward the front chamber 116, and then gradually separate from each other. Yes.
- the protruding vent 242 has a cylindrical portion 127 that extends with the same diameter and a first conical tube portion 244 that gradually increases in diameter, and has a shape in which the diameter on the distal end side increases.
- the protruding vent 242 can also efficiently send gas from the rear chamber 114 toward the front chamber 116.
- the cushion 260 of the third modified example illustrated in FIG. 6A includes a protruding vent 262 that extends from the opening 123 to the inside of the front chamber 116.
- a protruding vent 262 that extends from the opening 123 to the inside of the front chamber 116.
- two rows of upper vent forming portions 266a and lower vent forming portions 266b that form the protruding vents 262 extend while gradually approaching the front chamber 116 side from the opening 123, and then extend in parallel to each other. ing.
- the protruding vent 262 is formed with a second conical tube portion 264 having a gradually narrowing diameter and a cylindrical portion 127 extending with the same diameter, and the base side has a tapered shape with a wider diameter.
- the protruding vent 262 can also efficiently send gas from the rear chamber 114 toward the front chamber 116.
- a cushion for a curtain airbag is also divided into a plurality of chambers. Therefore, it is possible to partition the chambers using the above-described base cloth coupling portion 120 and provide a protruding vent 124 therebetween.
- the knee airbag cushion may be flat and may be partitioned into a plurality of chambers. Therefore, the base fabric coupling portion 120 and the protruding vent 124 are preferably implemented. It is possible.
- any type of airbag device similar to the side airbag device 100 described above, it is possible to achieve smooth gas supply, rapid inflation and deployment, and occupant restraint with a simple configuration. .
- the present invention can be used for an airbag device that restrains a passenger in a vehicle seat from the side when an impact occurs on the vehicle.
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Abstract
Description
図5および図6は、図3(c)のクッション104の変形例を例示する図である。図5および図6では、既に説明した構成要素については、同じ符号を付すことでその説明を省略する。また、既に説明した構成要素と同じ名称の構成要素については、符号が異なっていたとしても、既に説明した構成要素と同じ機能をもつものとする。
Claims (9)
- ガスを供給するインフレータと、
少なくとも車外側パネルと車内側パネルとを含む基布を袋状にした、車両緊急時に前記ガスによって膨張展開して乗員を保護するクッションと、
前記クッションの前記車外側パネルと前記車内側パネルとが結合された、該クッションを少なくとも2つのチャンバに区画する基布結合部と、
前記基布結合部の途中に設けられた、前記基布が結合されていない開口部と、を備え、
前記基布結合部は、前記開口部の両端から共に前記2つのチャンバのうち一方のチャンバ側へ延びて、該開口部から該一方のチャンバに突出した突出ベントを形成する2列のベント形成部を有し、
前記突出ベントは、前記インフレータ稼働時に膨張展開して前記2つのチャンバの間でガスの流通を行うことを特徴とするエアバッグ装置。 - 前記突出ベントは、前記2列のベント形成部が前記一方のチャンバ側へ平行に延びている筒状部を有することを特徴とする請求項1に記載のエアバッグ装置。
- 前記突出ベントは、前記2列のベント形成部が前記一方のチャンバ側へ次第に離れながら延びている第1円錐管部を有することを特徴とする請求項1または2に記載のエアバッグ装置。
- 前記突出ベントは、前記2列のベント形成部が前記一方のチャンバ側へ次第に近づきながら延びている第2円錐管部を有することを特徴とする請求項1から3のいずれか1項に記載のエアバッグ装置。
- 前記基布結合部はさらに、前記2列のベント形成部それぞれの先端を円形に閉じた円形結合部を有し、
前記突出ベントは、前記2列のベント形成部および前記円形結合部で形成されていることを特徴とする請求項1から4のいずれか1項に記載のエアバッグ装置。 - 前記基布結合部は、縫製によって形成されていることを特徴とする請求項1から5のいずれか1項に記載のエアバッグ装置。
- 前記クッションは、車両座席の乗員の側方に膨張展開するサイドエアバッグ用であり、
前記2つのチャンバのうち他方のチャンバは、前記インフレータを内包したリアチャンバであり、前記一方のチャンバは、該リアチャンバの少なくとも車両前方に膨張展開するフロントチャンバであり、
前記突出ベントは、前記開口部から前記フロントチャンバの内部へと延びていることを特徴とする請求項1から6のいずれか1項に記載のエアバッグ装置。 - 前記クッションは、車両座席の乗員の側方に膨張展開するサイドエアバッグ用であり、
前記一方のチャンバは、前記インフレータを内包したリアチャンバであり、前記2つのチャンバのうち他方のチャンバは、該リアチャンバの少なくとも車両前方に膨張展開するフロントチャンバであり、
前記突出ベントは、前記開口部から前記リアチャンバの内部へと延びていることを特徴とする請求項1から6のいずれか1項に記載のエアバッグ装置。 - 前記フロントチャンバの膨張展開は、前記リアチャンバの膨張展開よりも遅れて完了することを特徴とする請求項7または8に記載のエアバッグ装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/560,438 US10829080B2 (en) | 2015-03-23 | 2016-01-29 | Air bag device |
EP16768148.5A EP3275738A4 (en) | 2015-03-23 | 2016-01-29 | Air bag device |
JP2017507548A JP6454404B2 (ja) | 2015-03-23 | 2016-01-29 | エアバッグ装置 |
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US20180265032A1 (en) * | 2015-03-30 | 2018-09-20 | Autoliv Development Ab | Side air bag device for vehicle |
US11104288B2 (en) * | 2017-05-19 | 2021-08-31 | Autoliv Development Ab | Side airbag apparatus |
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KR101708213B1 (ko) * | 2015-07-22 | 2017-02-20 | 아우토리브 디벨롭먼트 아베 | 측면 충돌용 에어백 |
US11383670B2 (en) * | 2019-09-30 | 2022-07-12 | Toyoda Gosei Co., Ltd. | Side airbag apparatus |
KR102464301B1 (ko) | 2022-07-27 | 2024-10-24 | 현대모비스 주식회사 | 시트 에어백 |
JP2024061008A (ja) * | 2022-10-20 | 2024-05-07 | 株式会社Subaru | エアバッグ装置 |
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Also Published As
Publication number | Publication date |
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US10829080B2 (en) | 2020-11-10 |
JPWO2016152245A1 (ja) | 2017-10-19 |
EP3275738A1 (en) | 2018-01-31 |
JP6454404B2 (ja) | 2019-01-16 |
EP3275738A4 (en) | 2018-08-08 |
US20180065591A1 (en) | 2018-03-08 |
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