Vehicle occupant protection device
First Claim
1. A vehicle occupant protection device comprising:
- a frontal collision airbag that is provided in front of a front seat, and inflates and deploys by gas being supplied into the frontal collision airbag, and in which vent holes are provided in both a right side and a left side thereof;
a frontal collision inflator that supplies the gas into the frontal collision airbag by being activated;
a discharge limiting portion capable of limiting a discharge of the gas from one vent hole, from among the left vent hole and the right vent hole; and
a controller that activates the frontal collision inflator when a frontal collision is detected or predicted, and that controls the discharge limiting portion such that the discharge limiting portion more limits the discharge of the gas from the one vent hole than the discharge of the other vent hole when a configuration of the frontal collision is an asymmetric collision on a side with the one vent hole.
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Accused Products
Abstract
A vehicle occupant protection device includes a frontal collision airbag that is provided in front of a front seat, and inflates and deploys by gas being supplied into the airbag, and in which vent holes are provided in both a right side and a left side thereof; a frontal collision inflator that supplies the gas into the airbag by being activated; a discharge limiting portion capable of limiting a discharge of the gas from at least one vent hole, from among the left vent hole and the right vent hole; and a controller that activates the frontal collision inflator when a frontal collision is detected or predicted, and that controls the discharge limiting portion such that the discharge limiting portion limits the discharge of the gas from the one vent hole when a configuration of the frontal collision is an asymmetric collision on a side with the one vent hole.
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Citations
12 Claims
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1. A vehicle occupant protection device comprising:
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a frontal collision airbag that is provided in front of a front seat, and inflates and deploys by gas being supplied into the frontal collision airbag, and in which vent holes are provided in both a right side and a left side thereof; a frontal collision inflator that supplies the gas into the frontal collision airbag by being activated; a discharge limiting portion capable of limiting a discharge of the gas from one vent hole, from among the left vent hole and the right vent hole; and a controller that activates the frontal collision inflator when a frontal collision is detected or predicted, and that controls the discharge limiting portion such that the discharge limiting portion more limits the discharge of the gas from the one vent hole than the discharge of the other vent hole when a configuration of the frontal collision is an asymmetric collision on a side with the one vent hole. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A vehicle occupant protection device comprising:
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a frontal collision airbag that inflates and deploys toward a front of a front seat by gas being supplied into the frontal collision airbag, and that is provided with a only one vent hole, the vent hole is positioned on an interior side of the frontal collision airbag in the vehicle width direction; a frontal collision inflator capable of supplying the gas into the frontal collision airbag; a discharge limiting portion capable of limiting a discharge of the gas from the vent hole; and a controller that activates the frontal collision inflator when a frontal collision is detected or predicted, and that limits the discharge of the gas from the vent hole by the discharge limiting portion when a configuration of the frontal collision is an asymmetric collision, wherein the discharge limiting portion is an opening and closing mechanism that opens and closes the vent hole; the opening and closing mechanism includes a closing member that has a closing portion that closes the vent hole, and a micro gas generator to which the closing member is connected and that is fixed to a vehicle side; the closing portion is sewn to the vent hole by a sewn portion, and a small diameter vent hole formed with a smaller diameter than the vent hole is formed; a length dimension of the closing member from the micro gas generator is set such that the sewn portion will tear when the frontal collision airbag is deployed; and when the configuration of the frontal collision is an asymmetric collision, the discharge of the gas from the vent hole is limited by the controller activating the micro gas generator and cutting the connection with the closing member.
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Specification