Airbag module
AssigneeHyundai Mobis Co., Ltd.
InventorHyo Bae Lee
Life of this patent
Estimating the term…
Abstract
The present invention provides an airbag module including: a main cushion which is expanded by inflow gas; an auxiliary chamber which is provided at one side of the main cushion; and an active vent which is provided between the main cushion and the auxiliary chamber, selectively forms a vent in accordance with an operation of an operating unit, and allows the main cushion and the auxiliary chamber to communicate with each other, and has an effect in that a problem with an excessive decrease in internal pressure due to an active vent may be improved, and as a result, injury to a head or a neck of an occupant may be reduced when an airbag is operated.
Claims10
An airbag module comprising:
- a main cushion communicating directly with an inflator;
- an auxiliary chamber which is provided at one side of the main cushion;
- and
- an active vent which is provided between the main cushion and the auxiliary chamber, selectively forms a vent in accordance with an operation of an operating unit, and allows the main cushion and the auxiliary chamber to communicate with each other,
- wherein the active vent is closed when the airbag is deflated, and the active vent opens when the main cushion is expanded by inflow gas,
- wherein the main cushion has an impact zone that accepts an impact of a passenger during a collision, and the auxiliary chamber is disposed outside of the impact zone, and
- wherein the main cushion includes a first vent, the auxiliary chamber includes a second vent that is smaller than the active vent, the first vent opens at a first time, the active vent opens at a second time subsequent to the first time, and the second vent opens at a third time subsequent to the second time.
An airbag module comprising:
- a main cushion communicating directly with an inflator;
- an auxiliary chamber which is provided at one side of the main cushion, the auxiliary chamber having a volume smaller than a volume of the main cushion;
- and
- an active vent which is provided between the main cushion and the auxiliary chamber, selectively forms a vent in accordance with an operation of an operating unit, and allows the main cushion and the auxiliary chamber to communicate with each other,
- wherein the main cushion includes a first vent, the auxiliary chamber includes a second vent that is smaller than the active vent, the first vent opens at a first time, the active vent opens at a second time subsequent to the first time, and the second vent opens at a third time subsequent to the second time.
Dependencies are inferred from the claim text.