[특허]Occupant protection device

Takata Petri AG

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Occupant protection device

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60R-021/26
미국특허분류(USC)	280/736; 280/741; 280/733
출원번호	UP-0311125 (2005-12-20)
등록번호	US-7584992 (2009-09-22)
우선권정보	DE-10 2004 063 268(2004-12-24)
발명자 / 주소	Riedel, Andreas Rasch, Georg Sendelbach, Hans Peter Weyrich, Christian
출원인 / 주소	Takata Petri AG
대리인 / 주소	Foley & Lardner LLP
인용정보	피인용 횟수 : 3 인용 특허 : 6

초록

An occupant protection device for protecting a vehicle occupant in the event of a vehicle accident, with a gas generator and an airbag which is connected to the gas generator and is inflated by the gas generator in the event of an accident. The gas generator includes a combustion chamber with propellant material which is ignited by a releasable igniting charge, and both the gas formed during combustion of the igniting charge and the gas formed during combustion of the propellant material being used for filling the airbag.

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What is claimed is: 1. An occupant protection device for protecting a vehicle occupant in the event of a vehicle accident, comprising: a gas generator including a combustion chamber, an igniter including an ignitable charge, and a throttle disk, wherein the combustion chamber does not contain any propellant material, and the combustion chamber extends from the ignitable charge to the throttle disk; and an airbag connected to the gas generator and configured to be inflated by the gas generator in the event of an accident, wherein only gas formed as a result of the igniting charge is used for filling the airbag, wherein a volume of the combustion chamber is greater than the volume of the ignitable charge, wherein the combustion chamber is tubular, wherein in one end of the tubular combustion chamber an electrically ignitable igniter is inserted in a gastight manner, and wherein the other end of the tubular combustion chamber is closed by the throttle disk having a gas passage opening through which the gas leaves the combustion chamber. 2. The occupant protection device of claim 1, wherein the gas passage opening is centrally arranged in the throttle disk. 3. The occupant protection device of claim 1, wherein the combustion chamber includes a space where gas formed by the igniting charge collects before exiting the combustion chamber at a combustion chamber outlet. 4. The occupant protection device of claim 3, wherein the volume of the space is larger than the installation volume of the igniting charge. 5. The occupant protection device of claim 1, wherein the combustion chamber is empty prior to ignition of the ignitable charge. 6. An occupant protection device for protecting a vehicle occupant in the event of a vehicle accident, comprising: a gas generator; and an airbag connected to the gas generator and configured to be inflated by the gas generator in the event of an accident, wherein the gas generator includes a throttle disk and a combustion chamber in which, in the event of an accident, a combustible material from an ignitable charge is combusted forming a gas which inflates the airbag, and the combustion chamber extends from the ignitable charge to the throttle disk, wherein the combustion chamber includes a space in which the gas formed by the combustible material collects before leaving the combustion chamber at a combustion chamber outlet, wherein the volume of the space is larger than the volume of the combustible material, and wherein the combustion chamber is tubular, wherein in one end of the tubular combustion chamber an electrically ignitable igniter is inserted in a gastight manner, and wherein the other end of the tubular combustion chamber is closed by the throttle disk having a gas passage opening through which the gas leaves the combustion chamber. 7. The occupant protection device of claim 6, wherein the combustible material is formed exclusively by an electrically ignitable igniting charge including material of an electrically ignitable igniter. 8. The occupant protection device of claim 6, wherein the combustion chamber outlet includes a throttle disc with at least one through-hole. 9. The occupant protection device of claim 6, wherein the airbag is fastened in an outer wall region of the vehicle in a motor vehicle door or a vehicle pillar. 10. The occupant protection device of claim 6, wherein the airbag is fastened in a region of a vehicle seat. 11. The occupant protection device of claim 10, wherein the airbag is fastened to a seat under frame of the vehicle seat. 12. The occupant protection device of claim 10, wherein the airbag is fastened to a backrest frame of the vehicle seat. 13. The occupant protection device of claim 10, wherein the airbag is fastened to a backrest pivot point of the vehicle seat. 14. The occupant protection device of claim 10, wherein the airbag is fastened in or to a covering part of the vehicle seat. 15. The occupant protection device of claim 6, wherein the airbag is fastened in or to a belt end fitting of a seatbelt of a vehicle. 16. The occupant protection device of claim 6, wherein the airbag is fastened in or to a seatbelt of the occupant protection device. 17. The occupant protection device of claim 16, wherein the seatbelt is of a double-walled or tubular design. 18. The occupant protection device of claim 17, wherein the airbag is placed in the interior of the double-walled or tubular seatbelt. 19. The occupant protection device of claim 16, wherein the airbag is fitted on the outside of the seatbelt, the airbag being guided by one or more loops of the seatbelt during the inflation. 20. The occupant protection device of claim 6, wherein the gas generator is configured so that the airbag is inflated to a pressure of at least 1.5 bar. 21. The occupant protection device of claim 20, wherein the airbag is inflated to a pressure of at least 3 bar. 22. The occupant protection device of claim 6, wherein the airbag is deployed between a seatbelt and the outside of a vehicle. 23. The occupant protection device of claim 6, wherein a woven fabric of a seatbelt is elastic and the airbag is integrated in the seatbelt so that the airbag concentrically widens or concentrically inflates the woven fabric of the seatbelt in the event of an accident. 24. The occupant protection device of claim 23, wherein the airbag is integrated exclusively in a region of the seatbelt located adjacent the vehicle occupant's pelvic region which faces the outside of the vehicle. 25. The occupant protection device of claim 6, wherein the airbag does not include an outflow opening. 26. The occupant protection device of claim 25, wherein the airbag substantially gastight. 27. The occupant protection device of claim 25, wherein a region of gas bag seams of the airbag includes sealing material. 28. The occupant protection device of claim 6, wherein the airbag includes a silicone-coated woven material. 29. The occupant protection device of claim 6, wherein the airbag is accommodated in a module housing comprising metal or plastic. 30. The occupant protection device of claim 6, wherein a filter element and/or a cooling element is arranged between at least one outflow opening of the gas generator and a throttle element. 31. The occupant protection device of claim 6, wherein a filter element and/or a cooling element is positioned in the combustion chamber adjacent a throttle element. 32. An occupant protection device for protecting a vehicle occupant in the event of a vehicle accident, comprising: a gas generator including a tubular combustion chamber with first and second tube ends, the first tube end includes an igniter including an ignitable charge placed in a gastight manner and the second tube end includes a throttle disk, wherein the combustion chamber extends between the igniter and the throttle disk; and an airbag connected to the gas generator and inflated by the gas generator in the event of an accident, wherein a space between the igniter and the throttle disk is filled exclusively with gas or air, wherein a volume of the combustion chamber is greater than a volume of the ignitable charge, and wherein the throttle disk includes a gas passage opening through which gas leaves the combustion chamber. 33. An occupant protection device for protecting a vehicle occupant in the event of a vehicle accident, comprising: a gas generator including a tubular combustion chamber with first and second tube ends, the first tube end includes an igniter including an ignitable charge placed in a gastight manner and the second tube end includes a throttle disk, wherein the combustion chamber extends between the igniter and the throttle disk; and an airbag connected to the gas generator and inflated by the gas generator in the event of an accident, wherein a space between the igniter and the throttle disk is filled exclusively with gas or air and wherein the gas generator includes at least one cooling element and/or filter element located on an opposite side of the throttle element from the ignitable charge, wherein a volume of the combustion chamber is greater than a volume of the ignitable charge, and wherein the throttle disk includes a gas passage opening through which gas leaves the combustion chamber. 34. A gas generator for inflating an airbag, the gas generator comprising: a tubular combustion chamber with first and second tube ends, the first tube end includes an initiated ignitable charge placed in a gastight manner and the second tube end includes a throttle element, and the combustion chamber extends from the ignitable charge to the throttle element; and wherein a space between the ignitable charge and the throttle element is filled exclusively with gas or air and wherein the gas generator includes at least one cooling element and/or filter element located on an opposite side of the throttle element from the ignitable charge, wherein a volume of the combustion chamber is greater than the volume of the ignitable charge.

이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 피인용횟수: 3

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특허 상세정보

Occupant protection device

초록

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이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 피인용횟수: 3

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IPC 상세정보(version : 201201)

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특허 상세정보

Occupant protection device

초록

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이 특허에 인용된 특허 (6)

이 특허를 인용한 특허 피인용횟수: 3

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

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