IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0216923
(2008-07-11)
|
등록번호 |
US-7669893
(2010-04-21)
|
우선권정보 |
DE-10 2006 002 435(2006-01-12) |
발명자
/ 주소 |
- Jäger, Stefan
- Dirnberger, Thomas
- Dervyn, Christophe
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
14 |
초록
▼
A method of producing a gas generator includes arranging an igniter in an inner chamber surrounded by a housing of the gas generator. The igniter is supported in a first direction on a part of the gas generator and in the first direction opposite a mounting orifice of the housing. The method include
A method of producing a gas generator includes arranging an igniter in an inner chamber surrounded by a housing of the gas generator. The igniter is supported in a first direction on a part of the gas generator and in the first direction opposite a mounting orifice of the housing. The method includes arranging a sealing element in the mounting orifice to seal the mounting orifice. The sealing element presses over a bearing area deformable in the first direction with a force acting in the first direction against a first bearing area of the igniter and forms a gas-tight joint between the sealing element and the igniter. A side of the sealing element facing the part of the gas generator in the first direction abuts against a side of the part of the gas generator to limit deformation of the bearing area of the sealing element in the first direction.
대표청구항
▼
What is claimed is: 1. A method of producing a gas generator, comprising: arranging an igniter in an inner chamber surrounded by a housing of the gas generator, the igniter being supported in a first direction on a part of the gas generator and in the first direction opposite a mounting orifice of
What is claimed is: 1. A method of producing a gas generator, comprising: arranging an igniter in an inner chamber surrounded by a housing of the gas generator, the igniter being supported in a first direction on a part of the gas generator and in the first direction opposite a mounting orifice of the housing; and arranging a sealing element in the mounting orifice to seal the mounting orifice, the sealing element pressing over a bearing area deformable in the first direction with a force acting in the first direction against a first bearing area of the igniter and forming a gas-tight joint between the sealing element and the igniter; wherein a side of the sealing element facing the part of the gas generator in the first direction abuts against a side of the part of the gas generator to limit deformation of the bearing area of the sealing element in the first direction and to close a gap, wherein the gap is defined between the side of the sealing element and the part of the gas generator when the bearing area of the sealing element and the first bearing area of the igniter come into surface contact when moving in the first direction. 2. The method as claimed in claim 1, wherein the sealing element is arranged in the mounting orifice so a bearing area surrounding the opening in the sealing element is pressed to form a gas-tight joint. 3. The method as claimed in claim 2, wherein the bearing area of the sealing element and a first bearing area of the igniter are deformed in the first direction by the force so that the two bearing areas rest against one another to form a gas-tight joint. 4. The method as claimed in claim 3, further comprising the step of arranging an igniter cap in the inner chamber of the housing so the igniter cap is supported in the first direction against the part of the gas generator located in the inner chamber, and wherein a side of the sealing element facing the igniter cap in the first direction abuts against a side of the igniter cap facing the sealing element in the first direction to limit deformation of the bearing area of the sealing element and of the first bearing area of the igniter in the first direction. 5. The method as claimed in claim 4, wherein the igniter cap is arranged in the inner chamber of the housing so that an orifice of the igniter cap faces the mounting orifice of the housing in the first direction, wherein the igniter is arranged in the inner chamber of the gas generator to cover the orifice in the igniter cap to form a pressure chamber of the gas generator, and wherein the sealing element is arranged in the mounting orifice so that the igniter is pressed for gas-tight closure of the pressure chamber, wherein a second bearing area against a bearing area of the igniter cap surrounds the orifice of the igniter cap by the force acting in the first direction. 6. The method as claimed in claim 5, wherein the second bearing area of the igniter and/or the bearing area of the igniter cap is deformed in the first direction by the force so the two bearing areas rest against one another for gas-tight closure or seal of the pressure chamber. 7. The method as claimed in claim 6, wherein the side of the sealing element facing the igniter cap in the first direction abuts against the side of the igniter cap facing the sealing element in the first direction to limit deformation of the second bearing area of the igniter and/or of the bearing area of the igniter cap in the first direction. 8. The method as claimed in claim 1, wherein a baffle element for swirling the gases released by the gas generator is arranged in the inner chamber of the housing, the baffle element supported on an inner side of the housing facing the mounting orifice in the first direction. 9. The method as claimed in claim 8, wherein a spring element is arranged in the first direction between the inner side and the baffle element, the spring element being resilient and deformable in the first direction. 10. The method as claimed in claim 8, wherein a propellant can is arranged in the inner chamber of the housing and is supported against the baffle element with a peripheral area opposite the baffle element in the first direction. 11. The method as claimed in claim 10, wherein the sealing element is arranged in the mounting orifice so the force exerted by the sealing element on the igniter is introduced into the housing via the propellant can and the baffle element. 12. The method as claimed in claim 1, wherein the sealing element is clamped or form fit together with an area of the housing surrounding the mounting orifice to generate the force acting in the first direction. 13. The method as claimed in claim 12, wherein the sealing element is clamped together with the housing so the area projects transverse to the first direction into an inner chamber surrounded by the housing and engages transverse to the first direction in a recess or a groove of the sealing element. 14. The method as claimed in claim 1, wherein the sealing element is screwed into the mounting orifice to generate the force acting in the first direction. 15. A gas generator comprising: a housing surrounding an inner chamber of the gas generator; an igniter for igniting the gas generator to generate a gas, the igniter being supported in a first direction on a part of the gas generator; a mounting orifice of the housing through which components of the gas generator may be introduced into the inner chamber during mounting of the gas generator; and a sealing element for sealing the mounting orifice, the sealing element arranged in the mounting orifice to press against a first bearing area of the igniter via a bearing area deformable in the first direction with a force acting in the first direction; wherein, a gap is defined between the sealing element and the part of the gas generator when the two bearing areas come into surface contact when moving in the first direction; and wherein the gap is closable by pressing the sealing element in the first direction towards the first bearing area, limiting deformation of the bearing area of the sealing element in the first direction. 16. The gas generator as claimed in claim 15, wherein the sealing element comprises an opening for receiving a contact zone for activating the igniter, and wherein the bearing area of the sealing element annularly surrounds the opening transverse to the first direction. 17. The gas generator as claimed in claim 16, wherein the bearing area of the sealing element and/or the first bearing area of the igniter is a first seal element deformable in the first direction, the first seal element deformed by the sealing element pressing against the igniter in the first direction so that the two bearing areas rest against one another and form a seal. 18. The gas generator as claimed in claim 17, wherein the gap is closable by pressing the sealing element in the first direction, limiting deformation of the first seal element in the first direction. 19. The gas generator as claimed in claim 15, wherein the sealing element and the igniter close the mounting orifice in a gas-tight manner. 20. The gas generator as claimed in claim 15, wherein the part of the gas generator supporting the igniter comprises an igniter cap surrounding a pressure chamber of the gas generator, and wherein the igniter cap comprises an orifice opposite the mounting orifice in the first direction, and wherein the orifice of the igniter cap is bound by a bearing area of the igniter cap that annularly surrounds the orifice, and wherein the sealing element is arranged in the mounting orifice to press the igniter with a second bearing area against the bearing area of the igniter cap with the force acting in the first direction for gas-tight closure of the pressure chamber. 21. The gas generator as claimed in claim 20, wherein the second bearing area of the igniter and/or the bearing area of the igniter cap takes the form of a second seal element deformable in the first direction, the second seal element is deformed in the first direction so the two bearing areas rest against one another to form a seal. 22. The gas generator as claimed in claim 21, wherein the gap is formed between the sealing element and the igniter cap in the first direction when the two bearing areas come into surface contact, the gap closable by pressing the sealing element in the first direction so deformation of the second seal element is limited in the first direction. 23. The gas generator as claimed in claim 15, wherein the gas generator comprises a propellant can filled with propellant and extending in the first direction in the inner chamber of the housing, and wherein the propellant can comprises a first orifice opposite the mounting orifice in the first direction. 24. The gas generator as claimed in claim 23, wherein the propellant can comprises a second orifice opposite the first orifice in the first direction. 25. The gas generator as claimed in claim 24, wherein the propellant can is supported with a second peripheral area that bounds the second orifice against a baffle element arranged in the first direction between the propellant can and an inner side facing the mounting orifice, the baffle element swirling the gases generated in the propellant can. 26. The gas generator as claimed in claim 25, wherein the baffle element is supported in the first direction against the inner side of the housing so that the force the sealing element exerts on the igniter is introduced into the housing via the baffle element. 27. The gas generator as claimed in claim 25, wherein the baffle element is supported in the first direction on a spring element arranged between the inner side and the baffle element in the first direction to absorb the force the sealing element exerts on the igniter. 28. The gas generator as claimed in claim 15, wherein the part of the gas generator supporting the igniter comprises an igniter cap surrounding a pressure chamber of the gas generator, and wherein the gas generator comprises a propellant can filled with propellant and extending in the first direction in the inner chamber of the housing and wherein the igniter cap is supported in the first direction against the first peripheral area of the propellant can so the force that the sealing element exerts in the first direction on the igniter is introduced into the housing via the propellant can. 29. The gas generator as claimed in claim 15, wherein the sealing element is clamped together with an area of the housing so the sealing element presses against the igniter with the force acting in the first direction. 30. The gas generator as claimed in claim 29, wherein the area of the housing engages transverse to the first direction in a recess, the recess comprising a groove surrounding the sealing element. 31. The gas generator as claimed in claim 15, wherein the sealing element is screwed into the mounting orifice so the sealing element presses against the igniter with the force acting in the first direction.
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