Side curtain airbag with extended shoulder portion
First Claim
1. An inflatable cushion for a side of a vehicle, the inflatable cushion, comprising:
- a primary cushion chamber inflatable to a first position, the primary cushion chamber having an upper edge portion, a lower edge portion, a first end portion and a second end portion; and
a secondary cushion chamber inflatable to a second position, the secondary cushion chamber having a first section and a second section, the first section extending between the upper edge portion and the lower edge portion and the first section being located on the primary cushion chamber at a location spaced from both the first end portion and the second end portion and the second section extending from the first section towards either the first end portion or the second end portion and a portion of the second section being located below the lower edge portion when the secondary cushion chamber is in the second position;
wherein the primary cushion chamber and the secondary cushion chamber are each deployed by a single inflator and the secondary cushion chamber is fully deployed into the second position prior to the primary cushion chamber being fully deployed into the first position.
5 Assignments
0 Petitions
Accused Products
Abstract
An inflatable cushion for a side of a vehicle, the inflatable cushion, comprising: a primary cushion chamber inflatable to a first position, the primary cushion chamber having an upper edge portion, a lower edge portion, a first end portion and a second end portion; and a secondary cushion chamber inflatable to a second position, the secondary cushion chamber having a first section and a second section, the first section extending between the upper edge portion and the lower edge portion and the second section extending from the first section towards either the first end portion or the second end portion or towards both the first end portion or the second end portion and a portion of the second section being located below the lower edge portion when the secondary cushion chamber is in the second position.
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Citations
29 Claims
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1. An inflatable cushion for a side of a vehicle, the inflatable cushion, comprising:
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a primary cushion chamber inflatable to a first position, the primary cushion chamber having an upper edge portion, a lower edge portion, a first end portion and a second end portion; and a secondary cushion chamber inflatable to a second position, the secondary cushion chamber having a first section and a second section, the first section extending between the upper edge portion and the lower edge portion and the first section being located on the primary cushion chamber at a location spaced from both the first end portion and the second end portion and the second section extending from the first section towards either the first end portion or the second end portion and a portion of the second section being located below the lower edge portion when the secondary cushion chamber is in the second position; wherein the primary cushion chamber and the secondary cushion chamber are each deployed by a single inflator and the secondary cushion chamber is fully deployed into the second position prior to the primary cushion chamber being fully deployed into the first position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An airbag module for a vehicle, comprising:
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an inflatable cushion having a primary cushion chamber inflatable to a first position, the primary cushion chamber having an upper edge portion, a lower edge portion, a first end portion and a second end portion; and
a secondary cushion chamber inflatable to a second position, the secondary cushion chamber having a first section and a second section, the first section extending between the tipper edge portion and the lower edge portion and the second section extending from the first section towards either the first end portion or the second end portion and a portion of the second section being located below the lower edge portion when the secondary cushion chamber is in the second position;a single inflator for inflating the inflatable cushion; and a gas diffusion means for delivering an inflation gas from the inflator to the primary cushion chamber and the secondary cushion chamber, wherein the gas diffusion means has a main tube section and an auxiliary tube section, the auxiliary tube section being in fluid communication with an end portion of the first section of the secondary cushion chamber and the main tube section has at least one flow restriction to direct inflation gases from the inflator into the auxiliary tube section. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 22)
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20. An airbag module for a vehicle, comprising:
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an inflatable cushion having a primary cushion chamber inflatable to a first position, the primary cushion chamber having an upper edge portion, a lower edge portion, a first end portion and a second end portion; and
a secondary cushion chamber inflatable to a second position, the secondary cushion chamber having a first section and a second section, the first section extending between the upper edge portion and the lower edge portion and the second section extending from the first section towards either the first end portion or the second end portion or towards both the first end portion and the second end portion and a portion of the second section being located below the lower edge portion when the secondary cushion chamber is in the second position;a single inflator for inflating the inflatable cushion; and
a gas diffusion means for delivering an inflation gas from the inflator to the primary cushion chamber and the secondary cushion chamber;
wherein the second section of the secondary cushion chamber is mounted proximate to a bracket for directing the second section of the secondary cushion chamber into the second position during deployment of the secondary cushion chamber.
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23. A method of providing side protection to an occupant of a vehicle, the method comprising:
inflating an inflatable cushion with a single inflator, the inflatable cushion having a primary cushion chamber inflatable to a first position, the primary cushion chamber having an upper edge portion, a lower edge portion, a first end portion and a second end portion; and
a secondary cushion chamber inflatable to a second position, the secondary cushion chamber having a first section and a second section, the first section extending between the upper edge portion and the lower edge portion and the second section extending from the first section towards either the first end portion or the second end portion and a portion of the second section being located below the lower edge portion when the secondary cushion chamber is in the second position and wherein the secondary cushion chamber is mounted to a pillar of the vehicle and the secondary cushion chamber is located in an un-inflated state behind a trim piece of the pillar of the vehicle and the second section of the secondary cushion chamber is mounted proximate to a bracket for directing the second section of the secondary cushion chamber into the second position during deployment.- View Dependent Claims (24, 25, 26, 27)
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28. A method of providing side protection to an occupant of a vehicle, the method comprising:
inflating an inflatable cushion with a single inflator, the inflatable cushion having a primary cushion chamber inflatable to a first position, the primary cushion chamber having an upper edge portion, a lower edge portion, a first end portion and a second end portion; and
a secondary cushion chamber inflatable to a second position, the secondary cushion chamber having a first section and a second section, the first section extending between the upper edge portion and the lower edge portion and the second section extending from the first section towards either the first end portion or the second end portion or towards both the first end portion and the second end portion and a portion of the second section being located below the lower edge portion when the secondary cushion chamber is in the second position;
wherein the single inflator provides inflation gases to the primary cushion chamber and the secondary cushion chamber via a diffuser tube and the secondary chamber is separate from the primary cushion chamber and the diffuser tube has a main tube section and an auxiliary tube section, the auxiliary tube section being in fluid communication with an end portion of the first section of the secondary cushion chamber and the main tube section has at least one flow restriction to direct inflation gases from the inflator into the auxiliary tube section.- View Dependent Claims (29)
Specification