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US 2020/0139922 A1Published application
Vehicle curtain airbag device
AssigneeToyota Jidosha Kabushiki Kaisha
InventorTakamichi Komura
Life of this patent
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Abstract
A control valve provided in a communicating portion restricts the supply of gas from a front main chamber to a rear delay chamber during an initial stage of inflation and deployment of the front main chamber. The control valve releases restriction of the supply of the gas from the front main chamber to the rear delay chamber during the later stage of inflation and deployment of the front main chamber.
Claims10
A vehicle curtain airbag device comprising:
- a main chamber that is inflated and deployed in a vehicle downward direction from a vehicle width direction outer end portion of a ceiling, due to an inflator being activated and gas being supplied to an interior of the main chamber at a time of a vehicle impact;
- a delay chamber that is provided at at least one side of the main chamber in a vehicle front-rear direction and is inflated and deployed by gas supplied from the main chamber via a communicating portion;
- and
- a gas flow control portion that is provided at the communicating portion, restricts supply of the gas from the main chamber to the delay chamber during an initial stage of inflation and deployment of the main chamber, and releases restriction of the supply of the gas from the main chamber to the delay chamber during a later stage of the inflation and deployment of the main chamber.
1 more element
Dependencies are inferred from the claim text.