Airbag apparatus
First Claim
Patent Images
1. An airbag apparatus for protecting an occupant in a vehicle, comprising:
- an airbag having an occupant-side surface facing the occupant and a vehicle-body-side surface opposite to the occupant-side surface when the airbag is inflated, and at least an upper chamber and a lower chamber separated from each other,a gas generator disposed in the airbag for generating gas to inflate the airbag,a communicating portion between the upper and lower chambers, anda check valve disposed in the communicating portion for preventing the gas from flowing form the lower chamber to the upper chamber.
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Abstract
An airbag apparatus includes an airbag having an occupant-side surface and a vehicle-body-side surface opposite to the occupant-side surface when the airbag is inflated, and at least an upper chamber and a lower chamber separated from each other; a gas generator for deploying the airbag; and a gas distributor enclosing the gas generator and having outlet ports for allowing gas from the gas generator to flow into the upper chamber and the lower chamber. A check valve is provided for preventing the gas from flowing from the lower chamber to the upper chamber.
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Citations
13 Claims
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1. An airbag apparatus for protecting an occupant in a vehicle, comprising:
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an airbag having an occupant-side surface facing the occupant and a vehicle-body-side surface opposite to the occupant-side surface when the airbag is inflated, and at least an upper chamber and a lower chamber separated from each other, a gas generator disposed in the airbag for generating gas to inflate the airbag, a communicating portion between the upper and lower chambers, and a check valve disposed in the communicating portion for preventing the gas from flowing form the lower chamber to the upper chamber. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An airbag device for protecting an occupant in a vehicle, comprising:
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an airbag having at least upper and lower chambers, at least one separating means for separating the upper and lower chambers, and a through hole with a periphery sealed by sealing means connected to the separating means, a gas generator disposed in the airbag for generating gas to inflate the airbag, a gas distributor disposed in the airbag and containing the gas generator therein, said gas distributor having a first outlet port for guiding the gas to the lower chamber and a second outlet port for guiding the gas to the upper chamber, and a clamp member disposed around the gas distributor outside the airbag and passing through the through hole for pressing the airbag against the gas distributor. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification