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1. 发明申请

US20140123869A1 GAS GENERATOR FOR RESTRAINING DEVICE 有权
标题翻译：用于限制装置的气体发生器
公开(公告)号：US20140123869A1
公开(公告)日：2014-05-08
申请号：US14070153
申请日：2013-11-01
申请人： Daicel Corporation
发明人： Shinichiro UKITA
IPC分类号： B60R21/264
CPC分类号： B60R21/264 , B60R21/26 , B60R2021/26011 , B60R2021/2648
摘要： A gas generator includes, a housing, an ignition device chamber, a combustion chamber, a filter facing a top plate of the housing, and a retainer supporting the filter and having first and second retainers. The first retainer includes a filter support abutting a lower surface of the filter, an annular wall positioned at outer circumference of the filter support, a plate portion extending outward from the annular wall, and a tubular wall extending axially from the plate portion, and the second retainer includes a support surface supporting the outer circumferential surface, and a support bottom extending inward from the support surface. The support bottom is positioned between the plate portion and the lower surface and that an inner circumferential edge of the support bottom abuts the annular wall surface. At least a part of the lower surface and the outer circumferential surface is supported by the first and second retainers.
摘要翻译：气体发生器包括：壳体，点火装置室，燃烧室，面向壳体顶板的过滤器和支撑过滤器并具有第一和第二保持器的保持器。第一保持器包括邻接过滤器的下表面的过滤器支撑件，位于过滤器支撑件的外圆周处的环形壁，从环形壁向外延伸的板部分和从板部分轴向延伸的管状壁，第二保持器包括支撑外周表面的支撑表面和从支撑表面向内延伸的支撑底部。支撑底部位于板部分和下表面之间，并且支撑底部的内周边缘邻接环形壁表面。下表面和外周表面的至少一部分由第一和第二保持器支撑。

2. 发明申请

US20230001875A1 AIRBAG DEVICE 有权
公开(公告)号：US20230001875A1
公开(公告)日：2023-01-05
申请号：US17778444
申请日：2020-10-16
申请人： Daicel Corporation
发明人： Shinichiro UKITA , Kenji FUKUMOTO , Tomoki HASHIZUME , Masayuki YAMAZAKI , Nobuyuki KATSUDA
IPC分类号： B60R21/207 , B60R21/276 , B60R21/261
摘要： The airbag device protects the occupant seated in the vehicle seat disposed in the vehicle. An airbag device includes a first airbag group and a second airbag group that are disposed in the vehicle seat in correspondence with impacts from two different directions and that respectively include a plurality of airbags; a gas generation unit that is disposed in a seat cushion, of the vehicle seat, that supports the buttocks region of the occupant and that generates gas to be supplied to the first airbag group or the second airbag group; and a switching unit that switches the supply of gas to either the first airbag group or the second airbag group.

3. 发明申请

US20180118154A1 GAS GENERATOR 审中-公开
公开(公告)号：US20180118154A1
公开(公告)日：2018-05-03
申请号：US15568047
申请日：2016-04-05
申请人： DAICEL CORPORATION
发明人： Shinichiro UKITA
IPC分类号： B60R21/272 , B01J7/00
CPC分类号： B60R21/272 , B01J7/00 , B60R21/262 , B60R21/263 , B60R21/2644 , B60R2021/26029 , B60R2021/2633 , B60R2021/2648
摘要： The present invention provides a gas generator, including:an ignition device disposed on the side of a first end portion of a cylindrical housing;a diffuser portion provided with a gas discharge port, welded and fixed to the cylindrical housing on the side of a second end portion axially opposite to the first end portion;a combustion chamber accommodating a gas generating agent and being arranged on the side of the first end portion;a pressurized gas chamber being filled with a gas and arranged on the side of the second end portion;a partition wall provided with a through hole in a thickness direction thereof and separating the combustion chamber from the pressurized gas chamber;a rupturable plate closing between the pressurized gas chamber and the diffuser portion; anda stopper means formed on an inner wall surface of the cylindrical housing, the stopper means stopping movement of the partition wall or reducing movement speed of the partition wall, before the partition wall collides with the diffuser portion, by coming into contact with the partition wall which moves in an axial direction upon receipt of a pressure of a combustion gas generated by combustion of the gas generating agent in the combustion chamber at the time of actuation.

4. 发明申请

US20220185223A1 IGNITER ASSEMBLY AND MOLDING METHOD FOR HOLDING PART 有权
公开(公告)号：US20220185223A1
公开(公告)日：2022-06-16
申请号：US17435921
申请日：2019-09-26
申请人： DAICEL CORPORATION
发明人： Akifumi NODA , Kenji FUKUMOTO , Shinichiro UKITA
IPC分类号： B60R21/264
摘要： An igniter assembly includes an igniter, a collar, and a holding part, a cup body having a cylindrical peripheral wall and a lid wall and a closing part defining an accommodating space with the cup body, the peripheral wall is sectioned, in an axial direction, into a contact region in contact with the closing part and a noncontact region not in contact with the closing part, the holding part includes a base part covering the contact region and a surrounding wall formed continuously to the base part and surrounding the noncontact region, and a fragile part is formed in the holding part between a first area including at least a part of the base part and a second area including a tip end of the surrounding wall, and thus the second area deforms radially outward preferentially when a load is applied to the surrounding wall by the igniter activated.

5. 发明申请

US20190126886A1 GAS GENERATOR 审中-公开
公开(公告)号：US20190126886A1
公开(公告)日：2019-05-02
申请号：US16307194
申请日：2017-05-16
申请人： DAICEL CORPORATION
发明人： Shinichiro UKITA , Tomoharu KOBAYASHI
IPC分类号： B60R21/272 , B60R21/261 , B60R21/274
摘要： A gas generator includes, an ignition device chamber arranged on a first end side of a cylindrical housing and closed by an ignition device including an igniter, a diffuser including a gas discharge port and closing a second end side of the cylindrical housing opposite to the first end in an axial direction, a compressed gas containing chamber disposed between the diffuser and the ignition device chamber and containing therein a compressed gas as a gas source, a first rupturable plate disposed closing off the ignition device chamber and the compressed gas containing chamber from one another, and a second rupturable plate disposed closing off the compressed gas containing chamber and the diffuser from one another, a cup-shaped deflector disposed on a side of the second rupturable plate where the compressed gas containing chamber is disposed, the cup-shaped deflector including a gas passage in a peripheral surface section thereof and a fragile section on at least one of a bottom surface section thereof and the peripheral surface section, and being disposed with the bottom surface section located on a side where the first rupturable plate is disposed, with an opening covering the second rupturable plate, and with a cylindrical gap defined between the peripheral surface section and an inner peripheral wall surface of the cylindrical housing.

6. 发明申请

US20190001918A1 GAS GENERATOR 审中-公开
公开(公告)号：US20190001918A1
公开(公告)日：2019-01-03
申请号：US16064315
申请日：2017-01-24
申请人： DAICEL CORPORATION
发明人： Shinichiro UKITA , Katsuhiro IMOTO
IPC分类号： B60R21/272 , B60R21/274 , B60R21/217
摘要： The present invention provides a gas generator, including: an ignition device chamber arranged at a first end opening of a cylindrical housing; a diffuser portion provided with a gas discharge port and arranged at a second end opening opposite to the first end opening in a longitudinal axial direction of the cylindrical housing; a pressurized gas chamber arranged between the ignition device chamber and the diffuser portion; a first rupturable plate closing the first end opening between the ignition device chamber and the pressurized gas chamber; a second rupturable plate closing the second end opening between the pressurized gas chamber and the diffuser portion; an igniter and a molded article of a gas generating agent being accommodated in the ignition device chamber; a gas which serves as a gas source being charged in the pressurized gas chamber under a high pressure; and an amount A (J/msec) of energy generated per unit time from the molded article of the gas generating agent charged in the ignition device chamber, a cross-sectional area B (cm2), orthogonal to the longitudinal axial direction of the cylindrical housing, of the pressurized gas chamber at a portion proximate to the ignition device chamber, and a density C (g/cm3) of the gas charged in the pressurized gas chamber satisfying an energy control factor represented by the following equation (I): A/B×C=320 to 490 (I).

7. 发明申请

US20160214559A1 FIXING STRUCTURE FOR INFLATOR AND AIRBAG 有权
标题翻译：充气和安全气囊的固定结构
公开(公告)号：US20160214559A1
公开(公告)日：2016-07-28
申请号：US14917678
申请日：2014-10-01
申请人： DAICEL CORPORATION
发明人： Shinichiro UKITA , Masayuki YAMAZAKI
IPC分类号： B60R21/215
CPC分类号： B60R21/217 , B60R21/2171 , B60R2021/2177 , B60R2021/2178 , B60R2021/26076 , B60R2021/26082
摘要： The present invention provides a fixing structure for an inflator and an airbag, in which the inflator and the airbag are fixed by a fixing member, includingthe fixing member being a lower fixing member that supports and fixes the inflator from a lower surface side of a plate portion,the lower fixing member having a tubular wall portion and a flange portion formed at an opening at one end, the tubular wall portion having an inner surface in a shape that is fitted to a circumferential wall surface including a lower annular step surface of the inflator housing, the flange portion having a plurality of bolt holes, the lower fixing member having the tubular wall portion abutting against the circumferential wall surface, which includes the annular step surface of the inflator housing on the lower surface side of the plate portion, and the flange portion abutting against a lower surface of the plate portion, andthe airbag and the lower fixing member being fixed with a bolt and a nut mounted through the airbag, the plate portion, and the flange portion of the lower fixing member.
摘要翻译：本发明提供一种用于充气机和气囊的固定结构，其中充气机和气囊通过固定构件固定，固定构件包括固定构件，该固定构件是从下表面侧支撑并固定充气机的下固定构件下部固定构件具有管状壁部和形成在一端的开口处的凸缘部，所述管状壁部具有嵌合于周壁面的形状的内表面，所述周壁形状包括下部环状台阶面所述充气机壳体具有多个螺栓孔，所述下部固定部件具有与所述圆周壁面抵接的所述筒状壁部，所述筒状壁部包括在所述板部的下表面侧的所述充气机壳体的环状台阶面，并且所述凸缘部分抵靠所述板部的下表面，并且所述气囊和所述下固定构件用螺栓和螺母安装通过安全气囊，板部分和下固定构件的凸缘部分。

8. 发明申请

US20130312632A1 GAS GENERATOR 有权
标题翻译：气体发电机
公开(公告)号：US20130312632A1
公开(公告)日：2013-11-28
申请号：US13900348
申请日：2013-05-22
申请人： Daicel Corporation
发明人： Shinichiro UKITA , Naoki MATSUDA
IPC分类号： C06D5/00
CPC分类号： C06D5/00 , B60R21/2644 , B60R2021/2648
摘要： The present invention provides a gas generator including: a housing including an inner cylindrical member for defining an ignition chamber therein, a first combustion chamber and a second combustion chamber provided outside the inner cylindrical member and being charged with the first and second gas generating agents, respectively, a plenum chamber located between the first combustion chamber and the second combustion chamber and being defined by the partition member, a first communication nozzle and a second communication nozzle provided in the inner cylindrical member, an axial position of the first communication nozzle being adjusted to be farther away from the plenum chamber than an axial position of the second communication nozzle, a first gas generating agent to be burn up earlier than a second gas generating agent.
摘要翻译：本发明提供一种气体发生器，包括：壳体，包括用于在其中限定点火室的内圆柱形构件，设置在内圆柱形构件外部并且装有第一和第二气体发生剂的第一燃烧室和第二燃烧室，分别设置在第一燃烧室和第二燃烧室之间并由分隔构件限定的增压室，设置在内部圆柱形构件中的第一连通喷嘴和第二连通喷嘴，第一连通喷嘴的轴向位置被调整比第二连通喷嘴的轴向位置更远离充气室，比第二气体发生剂早燃烧的第一气体发生剂。

9. 发明申请

US20130276660A1 GAS GENERATOR 有权
标题翻译：气体发电机
公开(公告)号：US20130276660A1
公开(公告)日：2013-10-24
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： C06D5/00
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与树脂抵接，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。

10. 发明申请

US20130255529A1 GAS GENERATOR 有权
标题翻译：气体发电机
公开(公告)号：US20130255529A1
公开(公告)日：2013-10-03
申请号：US13794120
申请日：2013-03-11
申请人： DAICEL CORPORATION
发明人： Tomoharu KOBAYASHI , Masayuki YAMAZAKI , Shinichiro UKITA
IPC分类号： C06D5/00
CPC分类号： C06D5/00 , B60R21/2644 , B60R2021/26011 , B60R2021/2648
摘要： A gas generator includes, a housing integrated at upper and lower circumferential wall plates, an ignition device chamber defined by a cup-shaped container disposed at a bottom plate of the housing, a combustion chamber surrounding the ignition device chamber, an annular filter disposed to face a top plate of the housing, a retainer supporting the annular filter, the retainer including, an annular bottom surface supporting a lower surface of the filter and a cylindrical wall surface press-fitted to a circumferential wall plate of the housing, a circumferential wall of the cup-shaped container in the vicinity of the bottom surface abutting or positioned close to an inner circumferential surface of the annular filter.During activation, when the housing deforms, the retainer and annular filter move such that the annular filter gas-tightly attaches to the top plate of the diffuser shell. A combustion gas is discharged radially through the annular filter.
摘要翻译：气体发生器包括：集成在上周壁和下周壁板上的壳体，由设置在壳体底板上的杯状容器限定的点火装置室，围绕点火装置室的燃烧室，设置成面对壳体的顶板，支撑环形过滤器的保持器，保持器包括支撑过滤器的下表面的环形底表面和压配合到壳体的圆周壁板的圆柱形壁表面，周壁在靠近环形过滤器的内周面的底面附近的杯状容器。在激活期间，当壳体变形时，保持器和环形过滤器移动，使得环形过滤器气密地附接到扩散器壳体的顶板。燃烧气体径向地排放通过环形过滤器。

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