A side airbag apparatus, which deploys an airbag between an occupant of a vehicle and a sidewall of said vehicle in order to protect the occupant in the event of side collision of the vehicle, includes a lower air bag unit and a control unit. The lower airbag unit has a waist airbag, which deploys t
A side airbag apparatus, which deploys an airbag between an occupant of a vehicle and a sidewall of said vehicle in order to protect the occupant in the event of side collision of the vehicle, includes a lower air bag unit and a control unit. The lower airbag unit has a waist airbag, which deploys toward the hip of the occupant M and pushes the hip of the occupant M in the direction opposite to the sidewall, an inflator, which generates gas for inflating the waist airbag and supplies gas to the waist airbag, and a module case, which stores the waist airbag and inflator therein. The control unit ignites the inflator in order to generate gas when an acceleration of greater than a prescribed value is detected.
대표청구항▼
What is claimed is: 1. A side airbag apparatus, which deploys an airbag between an occupant of a vehicle and a sidewall of the vehicle in order to protect the occupant in the event of side collision of the vehicle, the side airbag apparatus comprising: an airbag unit, which includes an airbag, an i
What is claimed is: 1. A side airbag apparatus, which deploys an airbag between an occupant of a vehicle and a sidewall of the vehicle in order to protect the occupant in the event of side collision of the vehicle, the side airbag apparatus comprising: an airbag unit, which includes an airbag, an inflator, which generates gas for inflating the airbag and supplies the gas to the airbag, and a module case, which stores the airbag and the inflator therein and comprises an opening for the airbag when the inflator inflates the airbag; and a control unit, which ignites the inflator in order to generate gas when acceleration greater than a prescribed value is detected, wherein the air bag, when inflated, inflates toward the occupant mainly in a direction substantially perpendicular and opposite to the side wall from the opening and contacts the waist of the occupant while substantially avoiding contact with a vehicle seat on which the occupant is disposed so as to move the occupant relative to the vehicle seat and sidewall in the direction opposite to the side wall from the opening, and pushes the occupant in the direction from the opening. 2. A side airbag apparatus according to claim 1, wherein the airbag unit is provided inside of a door of the vehicle. 3. A side airbag apparatus according to claim 1, wherein the airbag unit is provided within an armrest of a door of the vehicle. 4. A side airbag apparatus according to claim 1, wherein the airbag deploys toward a region ranging from a waist to a belly of the occupant, wherein the airbag is sized and shaped to contact the region ranging from a waist to a belly of the occupant. 5. A side airbag apparatus according to claim 4, wherein the airbag includes a partition which separates the airbag into sections which separately contact a hip and a belly, respectively, of the occupant, wherein a pressure of one of the sections, which is adapted to contact the belly of the occupant and includes a first gas outlet for exhausting a gas therein, is smaller than that of the other of the sections, which is adapted to contact the hip of the occupant, when the airbag is fully inflated, wherein the other of the sections includes a second gas outlet for exhausting a gas therein, and a size of the first gas outlet is greater than that of the second gas outlet. 6. A side airbag apparatus according to claim 5, wherein one of the sections adapted to contact the hip of the occupant projects further inwardly of the other of the sections adapted to contact the belly of the occupant. 7. A side airbag apparatus according to claim 4, further comprising an upper airbag unit, which comprises a shoulder airbag, which, when inflated, deploys toward the occupant and contacts a shoulder of the occupant but substantially avoids contact with the seat so as to move the occupant relative to the vehicle seat and sidewall, and pushes the occupant in the direction opposite to the sidewall, a shoulder airbag inflator, which generates gas for inflating the shoulder airbag and supplies the gas to the shoulder airbag, and a module case, which stores the shoulder airbag and the shoulder airbag inflator therein, wherein the shoulder airbag is sized and shaped to contact the shoulder of the occupant. 8. A side airbag apparatus according to claim 1, wherein the airbag deploys toward a region ranging from a waist to a leg of the occupant, and the airbag is sized and shaped to contact the region ranging from a waist to a leg of the occupant. 9. A side airing apparatus according to claim 8, further comprising a upper airbag unit, which includes a shoulder airbag, which, when inflated, deploys toward the occupant and contacts a shoulder of the occupant while substantially avoiding contact with the vehicle seat so as to move the occupant relative to the vehicle seat and vehicle sidewall, and pushes the shoulder of the occupant in the direction opposite to the sidewall, a shoulder airbag inflator, which generates gas for inflating the shoulder airbag and supplies the gas to the shoulder airbag, and a module case, which stores the shoulder airbag and the shoulder airbag inflator therein, wherein the shoulder airbag is sized and shaped to contact the shoulder of the occupant. 10. A side airbag apparatus according to claim 1, further comprising an upper airbag unit, which includes a shoulder airbag, which, when inflated, deploys toward the occupant and contacts a shoulder of the occupant while substantially avoiding contact with the vehicle seat so as to move the occupant relative to the vehicle seat and vehicle sidewall, a shoulder airbag inflator, which generates gas for inflating the shoulder airbag and supplies the gas to the shoulder airbag, and a module case, which stores the shoulder airbag and the shoulder airbag inflator therein, wherein the shoulder airbag is sized and shaped to contact the shoulder of the occupant. 11. A side airbag apparatus according to claim 10, wherein the control unit ignites the inflator of the airbag unit prior to the ignition of the shoulder airing inflator. 12. A side airbag apparatus according to claim 1, wherein the airbag is a waist airbag, which deploys toward a region around a waist of the occupant, and the waist airbag is sized and shaped to contact the waist of the occupant. 13. A side air bag apparatus according to claim 12, further comprising an upper airbag unit, which comprises a shoulder airbag, which, when inflated, deploys toward the occupant and contacts a shoulder of the occupant while substantially avoiding contact with the vehicle seat so as to move the occupant relative to the vehicle seat and sidewall, and pushes the occupant in the direction opposite to the sidewall, a shoulder airbag inflator, which generates gas for inflating the shoulder airbag and supplies the gas to the shoulder airbag, and a module case, which stores the shoulder airbag and the shoulder airbag inflator therein, wherein the shoulder airbag is sized and shaped to contact the shoulder of the occupant. 14. A side airbag apparatus according to claim 1, wherein the airbag has a generally rectangular outer peripheral shape. 15. A side airbag apparatus according to claim 14, wherein a gas outlet which vents gas from the airbag in order to decrease impact force due to a collision between the airbag and the occupant while permitting a rate of outgassing that maintains sufficient gas pressure to push the occupant is formed in the vicinity of a contact surface between the airbag and the occupant. 16. A side airbag apparatus according to claim 1, wherein the opening of the module case is disposed at a position on the sidewall corresponding to a substantially horizontal plane which includes the waist of the occupant and wherein the opening is directed toward the waist of the occupant. 17. A side airbag apparatus according to claim 16, wherein the vehicle includes a seat back-seat cushion space which is partially bounded by a seat back and a seat cushion, and which occupant-holding surfaces of a scat back and a seat cushion of a vehicle commonly face, and wherein the airbag, when the gas is supplied thereto, extends in the seat back-seat cushion space near the occupant-holding surfaces and pushes the waist of the occupant to shift the occupant along and on the occupant holding surface of the seat cushion away from the sidewall and in the direction away from the opening, so that the inflated airbag partially occupies a space that was occupied by the occupant before the airbag is inflated. 18. A side airbag apparatus, which deploys an airbag between an occupant of a vehicle and a sidewall of the vehicle in order to protect the occupant in the event of side collision of the vehicle, the side airing apparatus comprising: an upper airbag unit, which includes a shoulder airbag, a shoulder airbag inflator, which generates gas for inflating the shoulder airbag and supplies the gas to the shoulder airbag, and a shoulder airbag module case, which stores the shoulder airbag and the shoulder airbag inflator therein and comprises a shoulder airbag opening for the shoulder airbag when the shoulder airbag inflator inflates the shoulder airbag, and a control unit, which ignites the inflator in order to generate gas when an acceleration of greater than a prescribed value is detected, wherein the shoulder air bag, when inflated, inflates toward the occupant mainly in a direction substantially perpendicular and opposite to the side wall from the shoulder air bag opening and contacts the shoulder of the occupant while substantially avoiding contact with a vehicle seat on which the occupant is disposed so as to move the occupant relative to the vehicle seat and sidewall in the direction from the shoulder air bag opening, and pushes the occupant in the direction opposite to the side wall from the shoulder air bag opening. 19. A side airbag apparatus according to claim 18, wherein the shoulder airbag opening is disposed at a position on the sidewall corresponding to a substantially horizontal plane which includes the shoulder of the occupant and the shoulder airbag opening is directed toward the shoulder of the occupant. 20. A side airbag apparatus according to claim 19, wherein the vehicle includes a seat back-seat cushion space which is partially bounded by a seat back and a seat cushion, and which occupant-holding surfaces of a seat back and a seat cushion of a vehicle commonly face, and wherein the shoulder airbag extends in the seat back-seat cushion space near the occupant-holding surfaces and pushes the shoulder of the occupant to shift the occupant along and on the occupant holding surface of the seat cushion away from the sidewall in the direction away from the shoulder airbag opening, so that the inflated shoulder airbag partially occupies a space that was occupied by the occupant before the shoulder airbag is inflated.
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이 특허에 인용된 특허 (10)
Taguchi Masahiro (Hazu JPX) Tominaga Motonori (Okazaki JPX) Matsuhashi Toshiaki (Gamagori JPX), Air bag apparatus.
Brown Louis R. (Oxford MI) Steffens ; Jr. Charles E. (Washington MI) Vos Thomas H. (Rochester MI) Burley Edward J. (Romeo MI), Apparatus for protecting an occupant of a vehicle upon a side impact to the vehicle.
Nakamura Junichi,JPX ; Ookochi Tsutomu,JPX ; Nagayama Noritaka,JPX ; Shimoda Mikiharu,JPX ; Hatta ; deceased Masanobu,JPX ITX by Tosiyasu Hatta ; Setuko Hatta ; legal representatives, Side-impact air bag system.
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