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1. 发明授权

US09896058B2 Gas generator 有权
公开(公告)号：US09896058B2
公开(公告)日：2018-02-20
申请号：US15509609
申请日：2015-08-24
申请人： DAICEL CORPORATION
发明人： Tomoharu Kobayashi , Teppei Hanano
IPC分类号： B60R21/274 , B60R21/272
CPC分类号： B60R21/272 , B60R21/274
摘要： The present invention provides a gas generator including, an ignition device chamber, a gas inflow chamber, and a pressurized gas chamber being arranged from a first end fixed with an ignition device to a second end opposite thereto in a cylindrical housing, an inner circumferential wall surface of the cylindrical housing, from the ignition device chamber to the gas inflow chamber, having a first movement restricting portion, a second movement restricting portion and a stopping portion which are arranged in an axial direction at intervals in the above order so as to protrude, the second movement restricting portion having an ignition device chamber-side surface which is an inclined surface decreasing an inner diameter of the housing from the side of the ignition device chamber to the side of the gas inflow chamber and a gas inflow chamber-side surface whose angle (α1) with respect to the cylindrical housing is not more than 90 degrees, so that an axial cross-sectional shape of the second movement restricting portion is a triangle, a breaking device being arranged between the ignition device chamber and the gas inflow chamber and including a base whose outer circumferential surface abuts against an inner circumferential wall surface of the cylindrical housing and a distal end having an enlarged-diameter portion, and before actuation, the base being held between the first movement restricting portion and the second movement restricting portion, after actuation, the base being held between the surface of the second movement restricting portion whose angle α1 is not more than 90 degrees and the stopping portion.

2. 发明授权

US08708368B2 Gas generator 有权
标题翻译：气体发生器
公开(公告)号：US08708368B2
公开(公告)日：2014-04-29
申请号：US13793611
申请日：2013-03-11
申请人： Daicel Corporation
发明人： Shinichiro Ukita , Teppei Hanano , Masayuki Yamazaki
IPC分类号： B60R21/26
CPC分类号： C06D5/00 , B60R21/26 , B60R2021/26011 , B60R2021/26076
摘要： The present invention provides a gas generator including a housing provided with a diffuser shell and a closure shell, an ignition device, the diffuser shell being in a substantially cup-like shape and having an annular bent portion obtained by bending a circumferential wall portion at an opening inwardly, the closure shell being in a substantially annular shape having a annular plate portion that includes a annular curved portion projecting toward the inside of the housing, the ignition device being fixed to a central hole in the annular plate portion with a resin, an inner circumferential part of the annular plate portion in the closure shell abutting against the resin, an outer circumferential part of the annular plate portion abutting against and being fixed to the annular bent portion of the diffuser shell.
摘要翻译：本发明提供一种气体发生器，其包括设置有扩散器壳体和封闭壳体的壳体，点火装置，所述扩散器壳体基本上为杯状，并且具有环形弯曲部分，该环形弯曲部分通过在所述封闭壳体是向内开口的，所述封闭壳体具有环形板部分，所述环形板部分包括朝向所述壳体内部突出的环形弯曲部分，所述点火装置用树脂固定到所述环形板部分中的中心孔，封闭壳体中环形板部分的内圆周部分抵靠树脂，环形板部分的外圆周部分邻接并固定到扩散器壳体的环形弯曲部分。

3. 发明授权

US11554747B2 Sealing structure of sealed container, formation method therefor, gas generator using sealing structure of sealed container, and manufacturing method therefor 有权
公开(公告)号：US11554747B2
公开(公告)日：2023-01-17
申请号：US16613024
申请日：2018-06-06
申请人： DAICEL CORPORATION
发明人： Teppei Hanano , Shuichi Shonai
IPC分类号： B60R21/264
摘要： The present invention provides a sealing structure of a sealed container in which an opening of a metallic cylindrical container is closed with a metallic closing member, wherein a gap between an inner wall surface on an side of the opening of the metallic cylindrical container and an outer surface of the metallic closing member that radially faces the inner wall surface is sealed with a seal member having been melted and solidified.

4. 发明授权

US09527470B2 Gas generator 有权
标题翻译：气体发生器
公开(公告)号：US09527470B2
公开(公告)日：2016-12-27
申请号：US14913197
申请日：2014-07-16
申请人： DAICEL CORPORATION
发明人： Teppei Hanano , Masayuki Yamazaki , Naoki Matsuda
IPC分类号： C06D5/00 , B60R21/26 , B60R21/264 , F42B3/04
CPC分类号： B60R21/264 , B60R21/2644 , B60R2021/26011 , F42B3/04
摘要： The present invention provides a gas generator including an ignition device provided at one end of a cylindrical housing and a diffuser portion having a gas discharge port and provided at the other end of the housing, molded articles of a gas generating agent and a molded article of a pressure increasing agent charged into a combustion chamber inside the cylindrical housing, the molded articles of a gas generating agent charged into a charging space remained except for a charging portion for the molded article of a pressure increasing agent inside the combustion chamber such that the molded articles of a gas generating agent are in contact with the ignition device and a total volume of the molded articles of a gas generating agent is less than a volume of the charging space, the molded article of a pressure increasing agent charged in contact with the molded articles of a gas generating agent at a position axially distant from the ignition device, a combustion temperature of the molded articles of a gas generating agent being 1000° C. to 1700° C., and a combustion temperature of the molded article of a pressure increasing agent being higher than that of the molded articles of a gas generating agent, a charged mass of the molded articles of a gas generating agent being larger than a charged mass of the molded article of a pressure increasing agent, and the molded article of a pressure increasing agent being to burn out before burnout of the molded articles of a gas generating agent at the time of actuation.
摘要翻译：本发明提供一种气体发生器，其包括设置在圆筒形壳体的一端的点火装置和具有气体排出口并设置在壳体的另一端的扩散器部分，气体发生剂的模制品和模制品加压到圆筒形壳体内部的燃烧室内的增压剂，除了用于燃烧室内部的增压剂的模制品的充电部分之外，装入充电空间的气体发生剂的模塑制品保持成型气体发生剂的物品与点火装置接触，并且气体发生剂的模塑制品的总体积小于充电空间的体积，与增塑剂接触的增压剂的模塑制品在轴向远离点火装置的位置处的气体发生剂的物品，模制的燃烧温度气体发生剂的制品为1000℃至1700℃，增压剂的模制品的燃烧温度高于气体发生剂的模塑制品的燃烧温度，模制品的带电量气体发生剂大于增压剂的模塑制品的带电量，增压剂的模塑制品在致动时在燃烧产生剂的模塑制品燃烧之前被烧尽。

5. 发明授权

US11383671B2 Gas generator 有权
公开(公告)号：US11383671B2
公开(公告)日：2022-07-12
申请号：US16627937
申请日：2018-07-06
申请人： Daicel Corporation
发明人： Kenji Fukumoto , Teppei Hanano
IPC分类号： B60R21/264 , B01J7/00
摘要： A gas generator including an enhancer chamber provided on a first end of a cylindrical housing and including an igniter therein, a diffuser portion formed with a gas discharge port on a second end, a combustion chamber provided between the diffuser portion and the enhancer chamber, the enhancer chamber being an internal space which is axially sandwiched between the igniter and a cup-shaped partition wall, the internal space accommodating therein an enhancing agent, the cup-shaped partition wall including a peripheral wall provided with a peripheral wall body with a plurality of nozzles and an annular portion expanding outwardly from the peripheral wall body, an outer surface of the annular portion abutting against an inner wall surface of the cylindrical housing, a cylindrical gap being formed between the peripheral wall body and the inner wall surface, the nozzles being disposed to face the cylindrical gap, and the cylindrical gap being devoid of the gas generating agent therein.

6. 发明授权

US10696267B2 Gas generator 有权
公开(公告)号：US10696267B2
公开(公告)日：2020-06-30
申请号：US16096047
申请日：2017-04-28
申请人： DAICEL CORPORATION
发明人： Kenji Fukumoto , Teppei Hanano
IPC分类号： B60R21/264 , B01J7/00 , B60R21/262 , B60R21/26
摘要： The present invention provides a gas generator, including: an ignition device being disposed at a first end of a cylindrical housing main body portion, a diffuser portion being provided with a gas discharge port and closing a second end thereof which is axially opposite to the first end; a combustion chamber being present in an internal space of the cylindrical housing main body portion; a cup-shaped member partitioning the combustion chamber and the diffuser portion, a bottom surface and an opening of the cup-shaped member being located on the side of the first end and the second end of the cylindrical housing main body portion respectively, and a first gap being formed between the circumferential wall of the cup-shaped member and an inner wall surface of the cylindrical housing main body portion; a cylindrical filter being disposed in a space surrounded by the cup-shaped member and the diffuser portion, and a first end surface of the cylindrical filter being abutted against the bottom surface of the cup-shaped member, and a second end surface thereof on the opposite side being abutted against a closed end surface of the diffuser portion; and the communication hole of the cup-shaped member being formed at a position closer to the first end surface of the cylindrical filter to face the first gap, and the gas discharge port of the diffuser portion being formed closer to the second end surface of the cylindrical filter.

7. 发明授权

US10046727B2 Gas generator 有权
公开(公告)号：US10046727B2
公开(公告)日：2018-08-14
申请号：US15522507
申请日：2015-11-02
申请人： DAICEL CORPORATION
发明人： Teppei Hanano , Masayuki Yamazaki
IPC分类号： B60R21/264
CPC分类号： B60R21/264 , B60R21/261
摘要： The present invention provides a gas generator including a cylindrical housing in which an ignition device is attached at a first end portion thereof and a diffuser portion provided with a gas discharge port is attached at a second end portion thereof, an annular end surface being formed on the side of the second end portion, a cylindrical flow path forming member being disposed in the cylindrical housing, an inner space of the cylindrical flow path forming member being partitioned by a partition wall into a first chamber on the side of the first end portion and a second chamber on the side of the second end portion, a space, which includes the first chamber, being a combustion chamber filled with a gas generating agent, and the second chamber forming part of a gas discharge path, in the cylindrical flow path forming member, a first cylindrical space, which is formed between a first wall surface of the cylindrical flow path forming member on the side of the first chamber and the inner wall surface of the cylindrical housing, and a second cylindrical space, which is formed between a second wall surface of the cylindrical flow path forming member on the side of the second chamber and the inner wall surface of the cylindrical housing, being continuous in an axial direction, and the second cylindrical space being a cylindrical space with a length L from a boundary with the first cylindrical space to the annular end surface, and having an annular pocket portion with a length L1 from the annular end surface to the second communication holes, and at least part of a surface of the annular pocket portion being provided with a concave-convex portion.

8. 发明授权

US09994189B2 Gas generator 有权
公开(公告)号：US09994189B2
公开(公告)日：2018-06-12
申请号：US14917840
申请日：2014-09-24
申请人： Daicel Corporation
发明人： Katsuhiro Imoto , Teppei Hanano , Haruhiko Yamashita
IPC分类号： B60R21/264
CPC分类号： B60R21/264 , B60R21/2644 , B60R2021/2648
摘要： The present invention provides a gas generator wherein a diffuser portion having a gas discharge port is disposed at one end of a cylindrical housing; an ignition device is disposed at the other end of the cylindrical housing; an axially-movable metallic partition wall having a plurality of through-holes is disposed between the ignition device and the diffuser portion; a space between the partition wall and the ignition device is an ignition device chamber charged with a molded article of a first gas generating agent; a space between the partition wall and the diffuser portion is a combustion chamber charged with a molded article of a second gas generating agent; the partition wall has a circular bottom surface and an annular wall extending, in a single direction, perpendicularly to an outer circumference of the circular bottom surface, and the circular bottom surface is disposed so as to be on the diffuser portion side; the ignition device has an igniter having a disk-shaped ignition portion protruding toward the partition wall and a metallic annular member having an annular wall and disposed around the ignition portion; and the annular wall of the annular member protrudes to the partition wall further than the distal end surface of the ignition portion.

9. 发明授权

US09764710B2 Gas generator 有权
公开(公告)号：US09764710B2
公开(公告)日：2017-09-19
申请号：US15029033
申请日：2014-10-24
申请人： DAICEL CORPORATION
发明人： Teppei Hanano , Masayuki Yamazaki
IPC分类号： C06D5/00 , B60R21/264
CPC分类号： B60R21/2644 , B60R2021/2648
摘要： The present invention provides a gas generator, including: a cylindrical housing attached with an ignition device at one end and a diffuser portion, which has a gas discharge port, at the other end; and a combustion chamber charged with a molded article of a gas generating agent in the remaining space inside the cylindrical housing, the combustion chamber provided with a plurality of grooves serving as a gas discharge path, the plurality of the grooves serving as a gas discharge path being formed plurally and continuously in a longitudinal direction of the cylindrical housing and arranged in a circumferential direction of the cylindrical housing, a size of the grooves in the lateral direction being adjusted to be less than a minimum length of the molded article of the gas generating agent, and combustion gas, which is generated by combustion of the molded article of the gas generating agent at a time of actuation, flowing along the grooves serving as a gas discharge path and being discharged from the gas discharge port of the diffuser portion.

10. 发明授权

US09114778B2 Gas generator 有权
标题翻译：气体发生器
公开(公告)号：US09114778B2
公开(公告)日：2015-08-25
申请号：US14179367
申请日：2014-02-12
申请人： Daicel Corporation
发明人： Teppei Hanano , Katsuhiro Imoto , Haruhiko Yamashita
IPC分类号： C06D5/00 , B60R21/261 , B60R21/263 , B60R21/264
CPC分类号： B60R21/2644 , B60R2021/2648
摘要： A gas generator includes a cylindrical housing, a diffuser portion, a first combustion chamber defined by a first porous plate member, a second combustion chamber defined by a second porous plate member, and an ignition device having an ignition portion attached to an igniter collar. The first porous plate member comprises first through holes arranged in the vicinity of a peripheral edge portion. An annular space is formed between an outer peripheral surface of the ignition portion and an inner peripheral wall surface of the cylindrical housing. The height (H) of a top surface of the ignition portion from the igniter collar and a smallest length (Lmin) of a first gas generating agent in the first combustion chamber satisfies a relation Lmin
摘要翻译：气体发生器包括圆柱形壳体，扩散器部分，由第一多孔板构件限定的第一燃烧室，由第二多孔板构件限定的第二燃烧室和具有附接到点火器套环的点火部分的点火装置。第一多孔板构件包括布置在周缘部附近的第一通孔。在点火部的外周面和筒状壳体的内周壁面之间形成环状空间。来自点火器轴环的点火部的上表面的高度（H）和第一燃烧室中的第一气体发生剂的最小长度（Lmin）满足关系Lmin

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