US 11,752,964 B2
Driver airbag device
Kazuki Morita, Kanagawa (JP); and Kazuo Yagai, Kanagawa (JP)
Assigned to Autoliv Development AB, Vargarda (SE)
Appl. No. 17/594,580
Filed by Autoliv Development AB, Vargarda (SE)
PCT Filed Mar. 24, 2020, PCT No. PCT/JP2020/013132
§ 371(c)(1), (2) Date Oct. 22, 2021,
PCT Pub. No. WO2020/217824, PCT Pub. Date Oct. 29, 2020.
Claims priority of application No. 2019-084758 (JP), filed on Apr. 25, 2019.
Prior Publication US 2022/0203920 A1, Jun. 30, 2022
Int. Cl. B60R 21/203 (2006.01); B60R 21/2165 (2011.01); B60R 21/2346 (2011.01); B60R 21/235 (2006.01)
CPC B60R 21/203 (2013.01) [B60R 21/21656 (2013.01); B60R 21/2346 (2013.01); B60R 2021/23538 (2013.01); B60R 2021/23576 (2013.01)] 14 Claims
OG exemplary drawing
1. An airbag device stored in a steering wheel of a vehicle, comprising:
a gas generator that generates expansion gas;
an airbag configured to restrain an occupant by expanding and deploying by the expansion gas; and
a gas rectifying member provided so as to cover an occupant side of the gas generator inside the airbag and that controls a flow of the expansion gas;
wherein the gas rectifying member is formed from a flat panel including a portion bilaterally symmetrical to a line connecting 12 o'clock and 6 o'clock (X axis) when a plane parallel to a rim of the steering wheel is regarded as a clock face, and has a configuration where a lower opening portion for discharging the expansion gas in a 6 o'clock direction is formed by stitching left and right edge portions of the panel together, covering the occupant side of the gas generator, wherein the lower opening portion is formed as a notch in the panel and an edge portion of the notch is not stitched, and
wherein the panel before stitching is virtually divided into four parts by the X-axis and a line connecting 3 o'clock and 9 o'clock (Y-axis) in accordance with an actual installation orientation with regard to the steering wheel, a first opening and a second opening are respectively formed in an upper right portion region between 12 o'clock and 3 o'clock and in an upper left portion region between 9 o'clock and 12 o'clock.