An airbag includes a rear panel, a front panel, and an extension panel. The rear panel has an inflation aperture for receiving an inflation gas. The front panel has at least one communication aperture, and the front panel is connected to the rear panel at a peripheral seam to define a primary inflat
An airbag includes a rear panel, a front panel, and an extension panel. The rear panel has an inflation aperture for receiving an inflation gas. The front panel has at least one communication aperture, and the front panel is connected to the rear panel at a peripheral seam to define a primary inflatable portion having a central axis. The extension panel has an inner edge that is connected to the front panel at a location that is offset from the central axis of the primary inflatable portion and an outer edge that is connected to at least one of the front panel or the rear panel to define a secondary inflatable portion that is in communication with the primary inflatable portion through the at least one communication aperture. When inflated by the inflation gas, the secondary inflatable portion extends outward with respect to the front panel toward a vehicle occupant.
대표청구항▼
1. An airbag comprising: a rear panel having an inflation aperture for receiving an inflation gas;a front panel having at least one communication aperture, and the front panel is connected to the rear panel at a peripheral seam to define a primary inflatable portion having a central axis; andan exte
1. An airbag comprising: a rear panel having an inflation aperture for receiving an inflation gas;a front panel having at least one communication aperture, and the front panel is connected to the rear panel at a peripheral seam to define a primary inflatable portion having a central axis; andan extension panel having an inner edge that is connected to the front panel at a location that is offset from the central axis of the primary inflatable portion and an outer edge that is connected to at least one of the front panel or the rear panel to define a secondary inflatable portion that is in communication with the primary inflatable portion through the at least one communication aperture and, when the primary inflatable portion is inflated by the inflation gas, a portion of the inflation gas passes through the at least one communication aperture to inflate the extension panel such that the extension panel extends outward with respect to the front panel toward a vehicle occupant, the front panel defines an occupant-facing surface around the central axis of the primary inflatable portion, the occupant-facing surface of the front panel is exposed to the vehicle occupant, and at least part of the extension panel is disposed farther from the inflation aperture of the rear panel in a direction parallel to the central axis than a furthest portion of the occupant-facing surface of the front panel at full inflation. 2. The airbag of claim 1, wherein the outer edge of the extension panel is connected to at least one of the front panel or the rear panel adjacent to the peripheral seam. 3. The airbag of claim 1, wherein the outer edge of the extension panel is connected to the front panel and the rear panel at the peripheral seam. 4. The airbag of claim 1, wherein the front panel has an outer periphery and the rear panel has an outer periphery, wherein the outer periphery of the front panel, the outer periphery of the rear panel, and the outer edge of the extension panel are connected at the peripheral seam. 5. The airbag of claim 1, wherein the extension panel is substantially arcuate and extends along a portion of the peripheral seam. 6. The airbag of claim 1, wherein the extension panel is substantially toroidal. 7. The airbag of claim 1, wherein, when inflated, at least a portion of the secondary inflatable portion is positioned closer to the vehicle occupant in a direction parallel to the central axis than the occupant-facing surface of the primary inflatable portion. 8. The airbag of claim 1, wherein at least a portion of the secondary inflatable portion, when inflated, is positioned radially outward from the peripheral seam. 9. The airbag of claim 1, wherein the secondary inflatable portion is adapted to receive the inflation gas via the primary inflatable portion. 10. An airbag assembly comprising: a steering wheel;an inflator connected to the steering wheel for providing an inflation gas during inflation;a rear panel having an inflation aperture for receiving the inflation gas from the inflator;a front panel having at least one communication aperture, and the front panel is connected to the rear panel at a peripheral seam to define a primary inflatable portion having a central axis; andan extension panel having an inner edge that is connected to the front panel at a location that is offset from the central axis of the primary inflatable portion and an outer edge that is connected to at least one of the front panel or the rear panel to define a secondary inflatable portion that is in communication with the primary inflatable portion through the at least one communication aperture, is adapted to receive the inflation gas via the primary inflatable portion and, when the primary inflatable portion is inflated by the inflation gas, a portion of the inflation gas passes through the at least one communication aperture to inflate the extension panel such that the extension panel extends outward with respect to the front panel toward a vehicle occupant, the front panel defines an occupant-facing surface around the central axis of the primary inflatable portion, the occupant-facing surface of the front panel is exposed to the vehicle occupant, and an annular crest is defined by a portion of the extension panel that is disposed farthest from the inflation aperture in a direction parallel to the central axis, wherein the annular crest is positioned farther from the inflation aperture than a furthest portion of the occupant-facing surface of the front panel from the rear panel in the direction parallel to the central axis at full inflation and the annular crest is disposed radially outward from the peripheral seam with respect to the central axis. 11. The airbag of claim 10, wherein the front panel has an outer periphery and the rear panel has an outer periphery, wherein the outer periphery of the front panel, the outer periphery of the rear panel, and the outer edge of the extension panel are connected at the peripheral seam. 12. The airbag of claim 10, wherein the extension panel is substantially arcuate and extends along a portion of the peripheral seam. 13. The airbag of claim 10, wherein the extension panel is substantially toroidal. 14. The airbag of claim 10, wherein, when inflated, at least a portion of the secondary inflatable portion is positioned closer to the vehicle occupant in a direction parallel to the central axis than the occupant-facing surface of the primary inflatable portion. 15. The airbag of claim 10, wherein the primary inflatable portion, when inflated, is wider than the steering wheel. 16. The airbag of claim 15, wherein the secondary inflatable portion, when inflated, is wider than the primary inflatable portion. 17. An airbag assembly comprising: a steering wheel;an inflator connected to the steering wheel for providing an inflation gas during inflation;a rear panel having an outer periphery and an inflation aperture for receiving the inflation gas from the inflator;a front panel having at least one communication aperture, an outer periphery of the front panel that is connected to the outer periphery of the rear panel at a peripheral seam to define a primary inflatable portion that has a central axis and, when inflated by the inflation gas, is wider than the steering wheel, defines an occupant-facing surface around the central axis of the primary inflatable portion, and the occupant-facing surface of the front panel is exposed to the vehicle occupant; andan extension panel having an arc shape, the extension panel having an inner edge that is connected to the front panel at a location that is offset from the central axis of the primary inflatable portion, and an outer edge that is connected to the front panel and the rear panel at the peripheral seam to define a secondary inflatable portion that is in communication with the primary inflatable portion through the at least one communication aperture, is adapted to receive the inflation gas via the primary inflatable portion and, when inflated by the inflation gas, extends outward with respect to the front panel toward a vehicle occupant, is at least partially disposed farther from the inflation aperture of the rear panel in a direction parallel to the central axis than a furthest portion of the occupant-facing surface of the front panel at full inflation, is positioned closer to the vehicle occupant in a direction parallel to the central axis than the occupant-facing surface of the primary inflatable portion, is wider than the primary inflatable portion, and extends in an arc along a first portion of the peripheral seam. 18. The airbag assembly of claim 17, wherein a second portion of the peripheral seam is free from connection to the extension panel. 19. The airbag assembly of claim 17, wherein the extension panel extends along an arc that defines at least a half-circle from the first end to the second end.
Gunter Fendt DE; Hermann Kublbeck DE; Peter Steiner DE; Helmut Steurer DE; Armin Vogl DE, Occupant protective device located in the steering wheel of a motor vehicle.
Spahn, Brian Robert; Jaradi, Dean M.; Farooq, S. M. Iskander; Faruque, Mohammed Omar, Airbag including a plurality of fingers extending from an impact surface.
Paxton, Donald James; Kutchey, Michael Brian; Palm, Jr., David Robert; Kruse, Dion Karl-Axel; Gans, Russell Scott; Morris, Christina Renee, Supplemental airbags and related airbag support systems.
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