公开(公告)号：US20240109509A1

公开(公告)日：2024-04-04

申请号：US18538610

申请日：2023-12-13

申请人： DAICEL CORPORATION

发明人： Katsuhiro Imoto

IPC分类号： B60R21/274

CPC分类号： B60R21/274 ,  B60R2021/2685

摘要： A gas generator comprising, a first ignition device, a first inner tube member including therein the first ignition device and a surrounding wall portion provided with one or a plurality of communication holes, the surrounding wall portion including, in a circumferential direction thereof, a combustion product discharge region and a combustion product non-discharge region, and a housing including a peripheral wall portion and defining therein a first combustion chamber, the peripheral wall portion being provided with a first gas discharge port and a second gas discharge port having an opening pressure higher than the first gas discharge port, and a communication hole-associated region associated with the combustion product discharge region and including only the first gas discharge port formed therein and a communication hole non-associated region associated with the combustion product non-discharge region and including the second gas discharge port formed therein.

公开(公告)号：US20200016438A1

公开(公告)日：2020-01-16

申请号：US16495344

申请日：2018-09-28

申请人： SAES GETTERS S.P.A.

发明人： Marco CITRO ,  Salvatore COCO ,  Michele SCARLATA

IPC分类号： A62B33/00 ,  B60R21/274 ,  B60R21/217 ,  B60R21/261 ,  A63B29/00 ,  F17C13/00 ,  A41D13/015

摘要： An airbag module comprises a control unit, a source of electric current managed by the control unit, a container wherein a gas is stored under pressure, and a hollow body with an inlet duct, in which an outlet of the container sealed by a pierceable membrane is tightly fitted, and an outlet duct on which an inflatable bag is tightly assembled. The airbag module further comprises an actuator assembly configured to pierce open the membrane sealing the container, said actuator assembly comprising a piercing member movably restrained to the body and at least one linear shape memory alloy wire actuator member that is electrically connected to the source of electric current and operably restrained to the piercing member so as to cause it to move beyond the pierceable membrane.

公开(公告)号：US10308211B2

公开(公告)日：2019-06-04

申请号：US15541629

申请日：2016-01-06

申请人： DAICEL CORPORATION

发明人： Tomoharu Kobayashi

IPC分类号： B60R21/26 ,  B60R21/272 ,  B01J7/00 ,  B60R21/274

摘要： A support structure of a closing member for a gas generator including a cylindrical housing accommodating an ignition device and an inflating gas source chamber is provided. The support structure includes a combination of a closing member closing a gas discharge path and a support member supporting the closing member and is arranged inside the cylindrical housing. The support member includes a base and a convex first support part extending in one direction from a center portion of the base, and a gas passage hole in at least one of the base and the convex first support part. The closing member, having a plate shape with first and second surfaces, is supported from one surface by a distal end surface of the convex first support part abutting against a center portion of the first or second surfaces, and has an annular surface not abutted by the convex first support part.

公开(公告)号：US10214176B2

公开(公告)日：2019-02-26

申请号：US15509604

申请日：2015-08-24

申请人： DAICEL CORPORATION

发明人： Kenji Fukumoto ,  Tomoharu Kobayashi

IPC分类号： B60R21/272 ,  B60R21/274

摘要： The present invention provides a gas generator, including in a cylindrical housing, an ignition device chamber provided with an ignition device, a gas inflow chamber having a gas discharge port and a pressurized gas chamber being arranged in the above order from the first end, a rupturable plate closing between the pressurized gas chamber and the gas inflow chamber and being fixed to an annular fixing portion, a breaking device for the rupturable plate being arranged between the ignition device chamber and the gas inflow chamber, the breaking device including a base, a rod main body which extends from the base towards the rupturable plate, and an enlarged-diameter portion at a distal end of the rod main body, and during actuation, the base moving in the axial direction, the enlarged-diameter portion being positioned inside the pressurized gas chamber after punching out the rupturable plate, and the rod main body portion being positioned so as to oppose the annular fixing portion in a radial direction, a pressurized gas passing through a gas passage and then is discharged from the gas discharge port, the gas passage including a first annular passage in which a width between the enlarged-diameter portion and the annular fixing portion varies and a second annular passage between the rod main body portion and the annular fixing portion, a cross-sectional area of the second annular passage being the smallest among the cross-sectional area of the second annular passage, an area of a minimum width portion of the first annular passage and a total opening area of the gas discharge port, and Q

公开(公告)号：US20170355347A1

公开(公告)日：2017-12-14

申请号：US15542400

申请日：2015-09-08

申请人： TAKATA CORPORATION

发明人： Masayoshi KUMAGAI ,  Kazuhiro ABE ,  Masahiro HASEBE

IPC分类号： B60R21/274 ,  B60R21/217 ,  B60R21/205

CPC分类号： B60R21/217 ,  B60R21/203 ,  B60R21/205 ,  B60R21/274

摘要： Provided is an airbag device in which an inflator can be fixedly mounted easily. The airbag device includes an inflator which generates a gas; an airbag which is inflated by the gas generated by the inflator; a retainer which is provided with an insertion port into which the inflator is inserted; a bag ring which mounts the airbag in the retainer; and a spring which fixes the inflator inserted into the insertion port.

公开(公告)号：US20170341620A1

公开(公告)日：2017-11-30

申请号：US15541629

申请日：2016-01-06

申请人： DAICEL CORPORATION

发明人： Tomoharu KOBAYASHI

IPC分类号： B60R21/272 ,  B60R21/274 ,  B01J7/00

CPC分类号： B60R21/272 ,  B01J7/00 ,  B60R21/274

摘要： The present invention provides a support structure of a closing member for a gas generator, being arranged in the gas generator which includes a cylindrical housing provided with a gas discharge port, accommodating therein an ignition device and having an inflating gas source chamber filled with an inflating gas source, the support structure including a combination of a closing member for closing a gas discharge path and a support member of the closing member to be arranged inside the cylindrical housing, the support member including a base, and a convex first support part, which extends in one direction from a center portion of the base, and further including a gas passage hole in at least one of the base and the convex first support part, the closing member having a plate shape with a first surface and a second surface, the closing member being supported from one surface by a distal end surface of the convex first support part, which abuts against a center portion of the first surface or the second surface, and the closing member, which has an annular surface not abutted by the convex first support part, the closing member being opened as the annular surface of the closing member is ruptured.

公开(公告)号：US09821752B2

公开(公告)日：2017-11-21

申请号：US14792647

申请日：2015-07-07

申请人： TRW Airbag Systems GmbH

发明人： Lorenz Seidl

IPC分类号： B60R21/264 ,  F42B3/12 ,  B60R21/272 ,  B60R21/274 ,  B60R21/26

CPC分类号： B60R21/264 ,  B60R21/272 ,  B60R21/274 ,  B60R2021/26029 ,  B60R2021/26076 ,  F42B3/125

摘要： The invention relates to a hybrid inflator (10) including a burst cap (20) including a bottom (21) and a sleeve-like side wall (22), the bottom (21) and the side wall (22) delimiting an igniter compartment (23), and the burst cap (20) in the idle mode being pressurized on the outer peripheral side with compressed gas having a filling pressure (PF) which at a functional maximum temperature of the hybrid inflator (10) has a maximum filling pressure (PFmax), and wherein the burst cap (20) can be destroyed by an igniter compartment side bursting pressure in the case of operation. In accordance with the invention, a transitional portion (24) is formed from the side wall (22) of the burst cap (20) to the bottom (21) so that the igniter compartment side bursting pressure required to destroy the burst cap (20) is lower than the sum of the maximum filling pressure (PFmax) and the filling pressure (PF). The invention further relates to a burst cap, an airbag module, a vehicle safety system as well as a method of manufacturing a burst cap.

公开(公告)号：US20170259775A1

公开(公告)日：2017-09-14

申请号：US15440244

申请日：2017-02-23

申请人： TRW Airbag Systems GmbH

发明人： Sebastian Bierwirth

IPC分类号： B60R21/272 ,  B60R21/264 ,  B60R21/274

CPC分类号： B60R21/272 ,  B60R21/2644 ,  B60R21/274 ,  B60R2021/26029

摘要： The invention relates to a hybrid inflator especially for a vehicle safety system, comprising an igniter (10), a combustion chamber (16) including a propellant charge (18) which is separated from the igniter (10) by a first bursting element (14) held by a bursting element holder (13), and comprising a compressed gas tank (20) filled with compressed gas and having at feast one discharge opening, the discharge opening being closed by a second bursting element (24) and the compressed gas tank (20) being fluid-communicated with the combustion chamber (16) so that the compressed gas surrounds the propellant charge (18). The invention excels by the fact that the bursting element holder (13) at least in portions delimits an ignition chamber (30) containing a booster charge (15), wherein a shock wave (SW) for opening the second bursting element (24) can be formed only when both the igniter (10) and the booster charge (15) have been ignited and, respectively, activated. The invention further deals with an airbag unit and a vehicle safety system comprising said hybrid inflator or said airbag unit. Moreover, the invention states a method of forming a shock wave within a hybrid inflator.

公开(公告)号：US09751492B2

公开(公告)日：2017-09-05

申请号：US15030420

申请日：2014-10-24

申请人： DAICEL CORPORATION

发明人： Tomoharu Kobayashi ,  Masayuki Yamazaki ,  Kenji Fukumoto

IPC分类号： B60R21/274 ,  B60R21/272 ,  F16K17/40 ,  B60R21/26

CPC分类号： B60R21/274 ,  B60R21/272 ,  B60R2021/26029 ,  F16K13/04

摘要： The present invention provides a gas generator in which an outer container is formed by a pressurized gas bottle and a gas generation chamber housing, and a closing member closes therebetween, a gas inflow chamber formed with a gas discharge port is provided between a gas generation chamber and a pressurized gas chamber, a partition wall provided with a rupturing member separates the gas inflow chamber from the gas generation chamber.

公开(公告)号：US20160339865A1

公开(公告)日：2016-11-24

申请号：US15114603

申请日：2015-01-09

申请人： ROBERT BOSCH GMBH

发明人： Klaus Heyer ,  Rudolf Heinz ,  Horst Jung ,  Uwe Iben ,  Raed Hamada ,  Werner Nitschke

IPC分类号： B60R21/274 ,  B60R21/264

CPC分类号： B60R21/274 ,  B60R21/264 ,  B60R21/272

摘要： A device for activating a passenger protection unit for a vehicle. The device includes a fuel element chamber having at least one fuel element, which is designed to generate a hot gas for activating the passenger protection unit by combustion, the fuel element chamber having an outlet opening for releasing the hot gas into the passenger protection unit, and the pressure container being designed to store a pressurized cold gas, the pressure container having at least one opening for the controlled release of the cold gas into the fuel element chamber.

摘要翻译： 一种用于启动车辆乘客保护单元的装置。 该装置包括具有至少一个燃料元件的燃料元件室，其被设计成产生用于通过燃烧激活乘客保护单元的热气体，燃料元件室具有用于将热气体释放到乘客保护单元中的出口， 并且所述压力容器被设计成存储加压的冷气体，所述压力容器具有至少一个用于将所述冷气控制释放到所述燃料元件室中的开口。