IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0780411
(2010-05-14)
|
등록번호 |
US-8240708
(2012-08-14)
|
발명자
/ 주소 |
- Fink, Michael
- Pinsenschaum, Ryan T.
- Weston, Douglas S.
- Hassett, Dayne B.
- Abraham, Brian
- Luna, Ever E.
- Hernandez, Raul A.
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
52 |
초록
▼
An inflatable cushion for a side of a vehicle, the inflatable cushion having: a first cushion section formed from a first sheet of material secured to a second sheet of material, the first cushion section having a plurality of separate inflatable cells each of which having an inlet opening for recei
An inflatable cushion for a side of a vehicle, the inflatable cushion having: a first cushion section formed from a first sheet of material secured to a second sheet of material, the first cushion section having a plurality of separate inflatable cells each of which having an inlet opening for receipt of an inflation gas; an internal passageway formed in the first cushion section, the internal passageway linking and fluidly coupling to each of the plurality of separate inflatable cells via the inlet opening of each of the plurality of separate inflatable cells, the internal passageway being formed by an upper portion of the first sheet of material and an upper portion of the second sheet of material; a fabric diffuser member secured in the internal passageway, the fabric diffuser member being configured to supply the inflation gas to each of the plurality of separate inflatable cells; and means for restricting fluid flow between the plurality of inflatable cells by limiting fluid flow between an exterior portion of the fabric diffuser member and an interior surface of the internal passageway proximate to an edge of the inlet openings of the plurality of inflatable cells.
대표청구항
▼
1. An inflatable cushion for a side of a vehicle, the inflatable cushion, comprising: a first cushion section formed from a first layer of material secured to a second layer of material, the first cushion section having a plurality of separate inflatable cells each of which having an inlet opening f
1. An inflatable cushion for a side of a vehicle, the inflatable cushion, comprising: a first cushion section formed from a first layer of material secured to a second layer of material, the first cushion section having a plurality of separate inflatable cells each of which having an inlet opening for receipt of an inflation gas;an internal passageway formed in the first cushion section, the internal passageway linking and fluidly coupling to each of the plurality of separate inflatable cells via the inlet opening of each of the plurality of separate inflatable cells, the internal passageway being formed by an upper portion of the first layer of material and an upper portion of the second layer of material;a fabric diffuser member secured in the internal passageway, the fabric diffuser member being configured to supply the inflation gas to each of the plurality of separate inflatable cells; andmeans for restricting fluid flow between the plurality of inflatable cells by limiting fluid flow between an exterior portion of the fabric diffuser member and an interior surface of the internal passageway proximate to an edge of the inlet openings of the plurality of inflatable cells, wherein each of the plurality of inflatable cells are segmented from each other and only a limited amount of inflation gas is transferred from cell to cell. 2. The inflatable cushion as in claim 1, wherein the means for restricting fluid flow between an exterior portion of the fabric diffuser member and an interior surface of the internal passageway proximate to an edge of the inlet opening of the plurality of inflatable cells is a plurality of stitches through the first layer of material and the second layer of material below the fabric diffuser; another plurality of stitches securing only the first layer of material to a first portion of the fabric diffuser; and another plurality of stitches securing only the second layer of material to a second portion of the fabric diffuser. 3. The inflatable cushion as in claim 2, wherein the means for restricting fluid flow between an exterior portion of the fabric diffuser member and the interior surface of the internal passageway is a plurality of stitches only securing the first portion of the fabric diffuser to the second portion of the fabric diffuser. 4. The inflatable cushion as in claim 3, wherein the another plurality of stitches securing only the first layer of material to the first portion of the fabric diffuser; and the another plurality of stitches securing only the second layer of material to the second portion of the fabric diffuser are applied prior to the plurality of stitches only securing the first portion of the fabric diffuser to the second portion of the fabric diffuser. 5. The inflatable cushion as in claim 4, wherein an upper edge portion of the first layer of material is secured to an upper edge portion of the second layer of material after the first portion and second portion of the fabric diffuser member are secured to each other. 6. The inflatable cushion as in claim 5, wherein the fabric diffuser has a plurality of outlet openings, wherein at least one of the plurality of outlet opening are aligned with a respective one of the inlet opening of each of the plurality of separate inflatable cells. 7. The inflatable cushion as in claim 1, wherein the inflation gas is supplied directly from the inflator to each of the plurality of inflatable cells through the fabric diffuser during inflation of the inflatable cushion. 8. The inflatable cushion as in claim 1, wherein one end of the fabric diffuser is directly secured to the inflator. 9. The inflatable cushion as in claim 1, wherein each of the plurality of inflatable cells has an inlet opening covered by a portion of the fabric diffuser configured to supply the inflation gas thereto during inflation of the inflatable cushion. 10. The inflatable cushion as in claim 1, wherein the inflation gas is supplied directly from the inflator to each of the plurality of inflatable cells through the fabric diffuser during inflation of the inflatable cushion and wherein one end of the fabric diffuser is directly secured to the inflator and wherein each of the plurality of inflatable cells has an inlet opening covered by a portion of the fabric diffuser configured to supply the inflation gas thereto during inflation of the inflatable cushion. 11. An airbag module for a vehicle, comprising: a side curtain inflatable cushion comprising: a first cushion section formed from a first layer of material secured to a second layer of material, the first cushion section having a plurality of separate inflatable cells each of which having an inlet opening for receipt of an inflation gas;an internal passageway formed in the first cushion section, the internal passageway linking and fluidly coupling to each of the plurality of separate inflatable cells via the inlet opening of each of the plurality of separate inflatable cells, the internal passageway being formed by an upper portion of the first layer of material and an upper portion of the second layer of material;a fabric diffuser member secured in the internal passageway, the fabric diffuser member being configured to supply the inflation gas to each of the plurality of separate inflatable cells, wherein each of the plurality of inflatable cells are segmented from each other and only a limited amount of inflation gas is transferred from cell to cell; andmeans for restricting fluid flow between the plurality of inflatable cells by limiting fluid flow between an exterior portion of the fabric diffuser member and an interior surface of the internal passageway proximate to an edge of the inlet openings of the plurality of inflatable cells; andan inflator for providing the inflation gas, the inflator being fluidly coupled to the fabric diffuser member. 12. The airbag module as in claim 11, wherein the inflation gas is supplied directly from the inflator to each of the plurality of inflatable cells through the fabric diffuser during inflation of the inflatable cushion. 13. The airbag module as in claim 11, wherein one end of the fabric diffuser is directly secured to the inflator. 14. The airbag module as in claim 11, wherein each of the plurality of inflatable cells has an inlet opening covered by a portion of the fabric diffuser configured to supply the inflation gas thereto during inflation of the inflatable cushion. 15. The airbag module as in claim 11, wherein the inflation gas is supplied directly from the inflator to each of the plurality of inflatable cells through the fabric diffuser during inflation of the inflatable cushion and wherein one end of the fabric diffuser is directly secured to the inflator and wherein each of the plurality of inflatable cells has an inlet opening covered by a portion of the fabric diffuser configured to supply the inflation gas thereto during inflation of the inflatable cushion. 16. A method of securing a fabric diffuser to an inflatable cushion, the method comprising: securing a first layer of material only to a first portion of the fabric diffuser;securing a second layer of material only to a second portion of the fabric diffuser;securing the first portion of the fabric diffuser only to the second portion of the fabric diffuser; andsecuring the first layer of material to the second layer of material to define portions of the inflatable cushion, wherein the inflatable cushion has a plurality of inflatable cells and each of the plurality of inflatable cells are segmented from each other and only a limited amount of an inflation gas supplied from the fabric diffuser to each of the plurality of inflatable cells during inflation of the inflatable cushion is transferred from cell to cell. 17. The method as in claim 16, wherein the inflation gas is supplied directly from an inflator to each of the plurality of inflatable cells through the fabric diffuser during inflation of the inflatable cushion. 18. The method as in claim 16, wherein one end of the fabric diffuser is directly secured to an inflator. 19. The method as in claims 16, wherein each of the plurality of inflatable cells has an inlet opening covered by a portion of the fabric diffuser configured to supply the inflation gas thereto during inflation of the inflatable cushion. 20. The method as in claim 16, wherein the inflation gas is supplied directly from an inflator to each of the plurality of inflatable cells through the fabric diffuser during inflation of the inflatable cushion and wherein one end of the fabric diffuser is directly secured to an inflator and wherein each of the plurality of inflatable cells has an inlet opening covered by a portion of the fabric diffuser configured to supply the inflation gas thereto during inflation of the inflatable cushion.
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