# US 2023/0054543 A1 · Airbag device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0054543 A1 - Document ID: US20230054543A1 - Status: Published application - Kind: A1 - Application number: 17/594,480 - Filed: 2020-03-27 - Published: 2023-02-23 - Earliest claimed: 2019-04-24 - Assignees: Autoliv Development AB - Applicants: Autoliv Development AB - Inventors: Yuto KOBAYASHI; Mitsuo NOGAMI - Web page: https://patentgrep.com/patent/US20230054543A1 ## CPC - B60R 21/239: characterised by their venting means - B60R 21/01554: {Seat position sensors} - B60R 21/207: in vehicle seats - B60R 21/23138: {specially adapted for side protection (B60R21/23184, B60R21/232 take precedence)} - B60R 21/233: comprising a plurality of individual compartments; comprising two or more bag-like members, one within the other (B60R21/232 takes precedence) - B60R 21/2338: Tethers - B60R 2021/23107: {the bag being integrated in a multi-bag system} - B60R 2021/23146: {seat mounted} - B60R 2021/2395: {comprising means to control the venting} - B60R: VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR ## Abstract [Problem] Provided is an airbag device capable of improving the restraining performance of an occupant by an airbag at the time of a collision. [Resolution Means] The airbag device includes a first airbag cushion part and a second airbag cushion part installed on each side of a seat of a vehicle, a first active vent provided in the first airbag cushion part and a second active vent provided in the second airbag cushion part, and a controller that controls the first active vent or the second active vent to open and the other to close when the first airbag cushion part and the second airbag cushion part are expanded and deployed. ## Claims ### Claim 1 An airbag device, comprising: a first airbag cushion part and a second airbag cushion part installed on each side of a seat of a vehicle; a first active vent provided in the first airbag cushion part and a second active vent provided in the second airbag cushion part; and a controller that controls the first active vent or the second active vent to open and the other to close when the first airbag cushion part and the second airbag cushion part are expanded and deployed. ### Claim 2 (depends on 1) The airbag device according to claim 1, wherein the controller can control one of the first active vent and the second active vent to open and the other to close according to the movement position of the seat provided movable within the vehicle. ### Claim 3 (depends on 2) The airbag device according to claim 2, wherein the controller controls the active vent provided in the airbag cushion part among the first airbag cushion part and the second airbag cushion part closer to the body of the vehicle to open according to the rotational position of the seat, and controls the active vent provided in the airbag cushion part farther from the body to close. ### Claim 4 (depends on 1, 2, 3) The airbag device according to any one of claims 1 to 3, wherein a first head cushion part for protecting the head of an occupant is provided in the first airbag cushion part, and a second head cushion part for protecting the head of an occupant is provided in the second airbag cushion part, such that either one of the first head cushion part or the second head cushion part is expanded and deployed when the first airbag cushion part or the second airbag cushion part is expanded and deployed. ### Claim 5 (depends on 4) The airbag device according to claim 4, wherein when either one of the first airbag cushion part or the second airbag cushion part is controlled to close, the head cushion part provided in the airbag cushion part controlled to close is expanded and deployed. ### Claim 6 (depends on 5) The airbag device according to claim 5, wherein all or part of the first head cushion part is stored inside the first airbag cushion part, and all or part of the second head cushion part is stored inside the second airbag cushion part, such that the head cushion part stored inside the airbag cushion part is expanded and deployed by the gas inside the airbag cushion part controlled to close. ### Claim 7 (depends on 5) The airbag device according to claim 5, wherein all or part of the first head cushion part is stored inside the first airbag cushion part, and all or part of the second head cushion part is stored inside the second airbag cushion part, such that by expanding and deploying either one of the first head cushion part or the second head cushion part, the expanding and deploying head cushion part closes off the airbag cushion part the deploying head cushion part is stored in. ### Claim 8 (depends on 1, 2, 3, 4, 5, 6, 7) The airbag device according to any one of claims 1 to 7, wherein the first airbag cushion part and the second airbag cushion part have the same bag-like shape when in a non expanded-deployed state. ### Claim 9 (depends on 1, 2, 3, 4, 5, 6, 7, 8) The airbag device according to any one of claims 1 to 8, wherein the first airbag cushion part and the second airbag cushion part are respectively arranged with the first active vent and the second active vent facing the opening portion for supplying gas inside the first airbag cushion part and the second airbag cushion part in the expanded and deployed state. ### Claim 10 (depends on 1, 2, 3, 4, 5, 6, 7, 8, 9) The airbag device according to any one of claims 1 to 9, wherein the first active vent and the second active vent are respectively provided with a patch that can open or close a vent provided on the first airbag cushion part and the second airbag cushion part, the first airbag cushion part and the second airbag cushion part are each provided with a tether with a first end connected to the patch and a second end connected to a tether retaining part, which either retains or ceases to retain the tether, and the patch either opens or closes the vent by the tether retaining part either retaining or ceasing to retain the tether.