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, and a 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