Toyota Jidosha Kabushiki Kaisha

Toyoda Gosei Co., Ltd.

Kazuya Saimura

Hitoshi Kawabe

Shunichi Katsumata

A curtain airbag of a curtain airbag system includes a gas supply passage that extends in a longitudinal direction in an upper portion of the airbag and guides gas from an inflator toward the front of the vehicle, a front main chamber deployed downward in the event of a side impact or rollover when supplied with gas from the gas supply passage, a front auxiliary chamber deployed when supplied with gas from the gas supply passage or the front main chamber at least in the event of rollover, and an uninflatable portion (gas-flow guide portion) that blocks forward gas flow at a front side of a gas passage communicating with the gas supply passage and the front main chamber, and guides the gas to the front main chamber.

Curtain airbag system

A curtain airbag system for a vehicle is stored in a folded state in a roof side portion, and includes a gas supply passage to be deployed along the roof side portion, a rear main chamber that is inflated and deployed below the gas supply passage in the event of a side impact or rollover of the vehicle, with gas supplied through the gas supply passage, a rear auxiliary chamber that is deployed at a front side of the rear main chamber in the event of at least rollover, with gas supplied through the gas supply passage or the rear main chamber, and a concave deployment portion having a looped line that restricts deployment of a part of the rear auxiliary chamber or a part of a space between the rear auxiliary chamber and the gas supply passage as seen in a side view.

Growing community of inventors

Susono, Japan

Kazuya Saimura