An airbag module for a motor vehicle includes an airbag that may be inflated for restraining a person, at least one outlet opening for releasing gas out of the module and originating at least partially from the inflated airbag, and a reservoir containing coolant for cooling the gas released from the
An airbag module for a motor vehicle includes an airbag that may be inflated for restraining a person, at least one outlet opening for releasing gas out of the module and originating at least partially from the inflated airbag, and a reservoir containing coolant for cooling the gas released from the module through the outlet opening. The reservoir includes a wall that sealingly encloses the coolant and is opened to bring the coolant into direct contact with the released gas to cool the released gas.
대표청구항▼
What is claimed is: 1. An airbag module for a motor vehicle, comprising: an airbag that may be inflated for restraining a person; at least one outlet opening for releasing gas out of the module which was originally provided by a gas generator for inflating the airbag and which was at least partiall
What is claimed is: 1. An airbag module for a motor vehicle, comprising: an airbag that may be inflated for restraining a person; at least one outlet opening for releasing gas out of the module which was originally provided by a gas generator for inflating the airbag and which was at least partially contained in the inflated airbag prior to its release through the at least one opening; and a reservoir containing coolant for cooling the gas released from the module through the outlet opening; wherein the reservoir comprises a wall that sealingly encloses the coolant and is opened to bring the coolant into direct contact with the released gas to cool the released gas. 2. The airbag module as claimed in claim 1, comprising a gas generator carrier that includes the at least one outlet opening. 3. The airbag module as claimed in claim 1, comprising a module housing with a bottom face that includes the at least one outlet opening. 4. The airbag module as claimed in claim 1, wherein the coolant reservoir is located in the flow path of the released gas downstream of the outlet opening of the airbag module. 5. The airbag module as claimed in claim 1, wherein the reservoir is configured such that the wall encloses at least one space for receiving the coolant. 6. The airbag module as claimed in claim 5, wherein the wall of the reservoir is made from a plastic material. 7. The airbag module as claimed in claim 5, wherein the reservoir extends substantially in one plane and has a greater extension parallel to said plane than perpendicular to said plane. 8. The airbag module as claimed in claim 1, wherein the coolant is a solid or a liquid. 9. The airbag module as claimed in claim 8, wherein the coolant is water. 10. The airbag module as claimed claim 1, wherein the coolant has a phase transition when in direct or indirect contact with the gas to be cooled. 11. The airbag module as claimed in claim 10, wherein the phase transition of the coolant is a transition into a gaseous phase. 12. The airbag module as claimed in claim 10, wherein the wall of the reservoir is configured to open by an overpressure of the coolant as a result of the phase transition. 13. The airbag module as claimed in claim 1, wherein the reservoir defines a space receiving the released gas. 14. The airbag module as claimed in claim 13, wherein the wall of the reservoir is configured to open by the pressure of the released gas. 15. The airbag module as claimed in claim 1, wherein the wall of the reservoir is subject to thermal loading by the released gas. 16. The airbag module as claimed in claim 1, wherein the wall of the reservoir is configured to open by overpressure of the coolant, pressure of the released gas, or thermal loading. 17. The airbag module as claimed in claim 16, wherein the wall of the reservoir is opened by a reversibly unlocking flap or a corresponding valve as a result of the overpressure, the pressure or the thermal loading. 18. The airbag module as claimed in claim 1, wherein the wall of the reservoir is configured to open by a separate pyrotechnic element located in the spatial vicinity of the wall. 19. The airbag module as claimed in claim 1, wherein the wall of the reservoir is configured to open by rupturing. 20. The airbag module as claimed in claim 19, wherein the wall of the reservoir has at least one predetermined rupture point at which the wall is able to rupture. 21. The airbag module as claimed in claim 20, wherein the predetermined rupture point is configured as a score line or perforation. 22. The airbag module as claimed in claim 1, wherein the airbag module has at least one permanently opened outlet opening through which gas may be continuously released from the module. 23. The airbag module as claimed in claim 1, wherein the airbag module has at least one outlet opening that is opened to release gas from the module. 24. The airbag module as claimed in claim 23, wherein the opening of the at least one outlet opening is carried out by the movement of a closure element relative to the outlet opening. 25. The airbag module as claimed in claim 24, wherein the closure element comes into contact with the wall of the reservoir when moved. 26. The airbag module as claimed in claim 25, wherein the closure element destroys the wall upon contact with said wall. 27. The airbag module as claimed in claim 24, wherein the closure element is an adjusting disk. 28. The airbag module as claimed in claim 23, wherein the closure element creates a predetermined rupture point in the wall upon contact with the wall. 29. The airbag module as claimed in claim 1, wherein the airbag module is in flow connection with an at least partially closed space into which the gas is released from the airbag module. 30. The airbag module as claimed in claim 1, wherein a carrier is associated with the coolant reservoir is connected to the coolant reservoir and stabilizes said coolant reservoir. 31. The airbag module as claimed in claim 30, wherein the carrier is made from a plastic material. 32. The airbag module as claimed in claim 31, wherein the carrier is a carrier plate. 33. The airbag module as claimed in claim 30, wherein the coolant reservoir and the carrier are fixedly connected to the airbag module. 34. The airbag module as claimed in claim 30, wherein the carrier is arranged between the outlet opening and the coolant reservoir, wherein the outlet opening is defined by the gas generator carrier and/or of a bottom face of the airbag module. 35. The airbag module as claimed in claim 30, wherein the carrier has at least one aperture for releasing gas. 36. The airbag module as claimed in claim 35, wherein the carrier is positioned in the airbag module such that the aperture is aligned with the outlet opening of the airbag module. 37. The airbag module as claimed in claim 30, comprising an adapter plate that is fixedly connected to the airbag module. 38. The airbag module as claimed in claim 37, wherein the adapter plate is fixed to the coolant reservoir and the carrier on their outer faces. 39. The airbag module as claimed in claim 37, wherein the adapter plate arranges the airbag module on a motor vehicle.
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이 특허에 인용된 특허 (7)
Zander Ronald (Mesa AZ) Wells Dennis J. (Phoenix AZ) Merkley Leon (Mesa AZ) Esterberg Dean (Mountain Lakes NJ), Deflector ring for use with inflators with passive restraint devices.
Mandzy John (Pittsfield MA) Brown Steven Joseph (Pittsfield MA) Messina Neale Arthur (Philadelphia PA) Ingram Larry Stefan (Lawrenceville NJ), Vehicle occupant restraint apparatus.
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