公开(公告)号：US20220410833A1

公开(公告)日：2022-12-29

申请号：US17778117

申请日：2020-10-12

Applicant: DAICEL CORPORATION

Inventor： Shinichiro Ukita ,  Tomoki Hashizume ,  Kenji Fukumoto ,  Masayuki Yamazaki ,  Nobuyuki Katsuda

IPC: B60R21/207 ,  B60R21/261 ,  B60R21/233 ,  B60R21/231

Abstract: An airbag device includes a seat frame that forms a skeleton of a vehicle seat on which an occupant of a vehicle sits; an airbag that is disposed on a backrest portion that supports a back of the occupant in the vehicle seat and that is deployed by supply of gas; and a gas generator that is disposed at a seating surface portion that supports buttocks of the occupant in the vehicle seat and that generates gas to be supplied to the airbag; where a part that is a portion of the seat frame and includes at least a portion of a back frame forming a skeleton of the backrest portion, is formed as a flow tube that connects to the airbag to supply gas generated by the gas generator to the airbag.

公开(公告)号：US11407377B2

公开(公告)日：2022-08-09

申请号：US16607171

申请日：2018-05-11

Applicant: DAICEL CORPORATION ,  HONDA MOTOR CO., LTD.

Inventor： Gen Kinoshita ,  Nobuyuki Katsuda ,  Daiei Tonooka

IPC: B60R21/264 ,  B60R21/237 ,  B60R21/272 ,  B60R21/26

Abstract: A gas generator including an outer vessel including a housing provided with a gas discharge port, the outer vessel accommodating therein an igniter and a gas generating agent, wherein any of surfaces of the outer vessel includes an annular fragile portion, and the annular fragile portion is a groove formed in a continuous annular shape or a groove formed in a discontinuous annular shape.

公开(公告)号：US11713017B2

公开(公告)日：2023-08-01

申请号：US17767053

申请日：2020-04-20

Applicant: Daicel Corporation

Inventor： Nobuyuki Katsuda

IPC: B60R21/217 ,  B60N2/68 ,  B60R21/207 ,  B60R21/274

CPC classification number: B60R21/217 ,  B60N2/68 ,  B60R21/207 ,  B60R21/274

Abstract: The present invention provides a seat frame inflator including a seat frame housing portion formed of a seat frame having a hollow structure and forming an outer shell of a pressurized gas chamber, and a partition member disposed on a hollow side of the seat frame and configured to isolate the pressurized gas chamber and a gas chamber outer region from each other. The partition member is provided with a communication hole, and a closing member configured to close the communication hole. The seat frame inflator includes an opening member disposed on the hollow side of the seat frame, and configured to open the pressurized gas chamber, and a gas discharge port formed in the seat frame to face the gas chamber outer region and configured to discharge, from the gas chamber outer region to the outside, the pressurized gas flowing from the pressurized gas chamber.

公开(公告)号：US11926278B2

公开(公告)日：2024-03-12

申请号：US17778117

申请日：2020-10-12

Applicant: DAICEL CORPORATION

Inventor： Shinichiro Ukita ,  Tomoki Hashizume ,  Kenji Fukumoto ,  Masayuki Yamazaki ,  Nobuyuki Katsuda

IPC: B60R21/207 ,  B60R21/231 ,  B60R21/233 ,  B60R21/261

CPC classification number: B60R21/207 ,  B60R21/23138 ,  B60R21/233 ,  B60R21/261 ,  B60R2021/23146

Abstract: An airbag device includes a seat frame that forms a skeleton of a vehicle seat on which an occupant of a vehicle sits; an airbag that is disposed on a backrest portion that supports a back of the occupant in the vehicle seat and that is deployed by supply of gas; and a gas generator that is disposed at a seating surface portion that supports buttocks of the occupant in the vehicle seat and that generates gas to be supplied to the airbag; where a part that is a portion of the seat frame and includes at least a portion of a back frame forming a skeleton of the backrest portion, is formed as a flow tube that connects to the airbag to supply gas generated by the gas generator to the airbag.

公开(公告)号：US11780397B2

公开(公告)日：2023-10-10

申请号：US17778444

申请日：2020-10-16

Applicant: Daicel Corporation

Inventor： Shinichiro Ukita ,  Kenji Fukumoto ,  Tomoki Hashizume ,  Masayuki Yamazaki ,  Nobuyuki Katsuda

IPC: B60R21/207 ,  B60R21/261 ,  B60R21/276

CPC classification number: B60R21/207 ,  B60R21/261 ,  B60R21/276

Abstract: 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.