IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0130252
(2001-11-21)
|
우선권정보 |
JP-0356601 (2000-11-22) |
국제출원번호 |
PCT/JP01/10182
(2002-07-16)
|
§371/§102 date |
20020716
(20020716)
|
국제공개번호 |
WO02/42126
(2002-05-30)
|
발명자
/ 주소 |
- Yamazaki, Masayuki
- Ryobo, Eiichi
|
출원인 / 주소 |
- Daicel Chemical Industries, Ltd.
|
대리인 / 주소 |
Birch, Stewart, Kolasch &
|
인용정보 |
피인용 횟수 :
3 인용 특허 :
8 |
초록
▼
A hybrid inflator has flame-transferring holes 118 which allow outflow of a booster gas, and first communication holes 125 which allow outflow of a combustion gas are arranged in the same position in the longitudinal direction of the hybrid inflator to render smooth outflow of the booster gas and th
A hybrid inflator has flame-transferring holes 118 which allow outflow of a booster gas, and first communication holes 125 which allow outflow of a combustion gas are arranged in the same position in the longitudinal direction of the hybrid inflator to render smooth outflow of the booster gas and the combustion gas.
대표청구항
▼
1. A hybrid inflator for an inflating-type safety system of a vehicle provided with an air bag, comprising:an inflator housing charged with a pressurized medium containing an inert gas; ignition means provided inside the inflator housing; a gas generator accommodated in the inflator housing, the gas
1. A hybrid inflator for an inflating-type safety system of a vehicle provided with an air bag, comprising:an inflator housing charged with a pressurized medium containing an inert gas; ignition means provided inside the inflator housing; a gas generator accommodated in the inflator housing, the gas generator including, a gas generator housing constituting an outer shell of the gas generator, the gas generator housing including a charge-transferring chamber formed inside a cylindrical charge-transferring chamber housing provided longitudinally in an extension of the ignition means, a gas generating chamber defined by the charge-transferring chamber housing and the gas generator housing, and storing gas generating means therein, the gas generating chamber having a plurality of communication holes communicating with the interior of inflator housing, the charge-transferring chamber housing having a plurality of flame-transferring holes provided at intervals in the longitudinal direction to make the charge-transferring chamber and the gas generating chamber communicate with each other; and at least some of the plurality of flame-transferring holes and the communication holes are arranged not to face each other opposingly in the longitudinal direction; a spare communication hole that penetrates a wall surface of the gas generator housing where the gas generating chamber, or a first gas generating chamber and a second gas generating chamber do not exist; and an ignition means chamber provided with the ignition means. 2. A hybrid inflator according to claim 1, wherein the plurality of flame-transferring holes and the plurality of the communication holes or the first communication holes are provided evenly along a longitudinal direction of the gas generating chamber or the first gas generating chamber.3. A hybrid inflator according to claim 1, wherein the plurality of flame-transferring holes and the communication holes, or the plurality of flame-transferring holes and the first communication holes are arranged at equal intervals.4. A hybrid inflator according to claim 1, wherein the spare communication hole serves as a spare passage for discharging the pressurized medium and a combustion gas out of the hybrid inflator.5. A hybrid inflator according to claim 1, wherein a boss is arranged on one end of the hybrid inflator, the ignition means is disposed in the ignition means chamber formed in the boss, charge-transferring means to be ignited and burnt by the ignition means is disposed in the charge-transferring chamber housing, and one end of the charge-transferring chamber housing is fixed by the boss.6. A hybrid inflator according to claim 5, wherein one end of the charge-transferring chamber housing has a skirt portion expanded in the radial direction, the charge-transferring means is inserted into the skirt portion, and the periphery of the skirt portion is crimped from the outside by an annular projecting portion integrated with the boss.7. A hybrid inflator according to claim 5, wherein one end of the charge-transferring chamber housing has a bent portion bent outwardly in the radial direction, the charge-transferring means is inserted into the one end formed with the bent portion in the charge-transferring chamber housing, and the periphery of the bent portion is crimped from the outside by an annular projecting portion integrated with the boss.8. A hybrid inflator according to claim 6 or 7, wherein the skirt portion and the annular projecting portion, or the bent portion and the annular projecting portion contact with each other to adhere closer by a force against a force applied in the longitudinal direction of the hybrid inflator.9. An air bag system, comprising:activation signal-outputting means including an impact sensor and a control unit; and a module case accommodating a hybrid inflator according to claim 1, and an air bag. 10. A hybrid inflator for an inflating-type safety system of a vehicle provided with an air bag, comprising:an inflator housing charged with a pressurized medium containing an inert gas; ignition means provided within the inflator housing; a gas generator accommodated in the inflator housing, the gas generator including, a gas generator housing constituting an outer shell of the gas generator, the gas generator housing including a charge-transferring chamber formed inside a cylindrical charge-transferring chamber housing provided longitudinally in an extension of the ignition means, the charge-transferring chamber housing having a plurality of flame-transferring holes provided at intervals in the longitudinal direction, a first gas generating chamber and a second gas generating chamber defined by the charge-transferring chamber housing and the gas generator housing, each of the first gas generating chamber and the second gas generating chamber storing solid gas generating agent therein, the charge-transferring chamber housing having a plurality of flame-transferring holes provided at intervals in the longitudinal direction to make the charge-transferring chamber and the first gas generating chamber communicating with each other, and the first gas generating chamber and the second gas generating chamber being provided with a plurality of first communication holes and a plurality of second communication holes which communicate with the interior of inflator housing respectively, and at least some of a plurality of the flame-transferring holes and the first communication holes being arranged not to face each other opposingly in the longitudinal direction; and an ignition means chamber provided with the ignition means. 11. A hybrid inflator according to claim 1 or 10, wherein at least some of the plurality of flame-transferring holes and the communication holes, or at least some of the plurality of flame-transferring holes and the first communication holes are arranged not to face each other opposingly in the longitudinal direction and arranged not to face each other opposingly in the widthwise direction.12. A hybrid inflator according to claim 10, further comprising:a first retainer disposed on a first end of the first gas generating chamber, and a second retainer disposed on a second end of the first gas generating chamber between the first gas generating chamber and the second gas generating chamber, such that respective distances in the longitudinal direction of the first gas generating chamber and the second gas generating chamber are adjusted by the first retainer and the second retainer. 13. A hybrid inflator according to claim 12, wherein each of the first retainer and the second retainer includes a combination of a larger-diameter cylinder having one end surface closed and the other end surface open, a smaller-diameter cylinder formed integrally with the larger-diameter cylinder to project towards the inside and the opening portion of the larger-diameter cylinder and has both end surfaces open, and an annular member provided between the larger-diameter cylinder and the smaller-diameter cylinder.14. A hybrid inflator according to claim 13, wherein the annular member provided between the larger-diameter cylinder and the smaller-diameter cylinder is formed integrally with the closed end surface to project towards the opening portion or is formed separately and arranged.15. A hybrid inflator according to claim 7 or 14, wherein, in the retainer, a height of the side wall of the larger-diameter cylinder is highest and a height of the annular member is lowest.16. A hybrid inflator according to claim 13, wherein the first retainer is arranged such that the closed end surface is positioned in the first gas generating chamber side, and the second retainer is arranged such that the opening portion is positioned in the first gas generating chamber side.17. A hybrid inflator for an inflating-type safety system of a vehicle provided with an air bag, comprising:an inflator housing charged with a pressurized medium including an inert gas; a gas generator accommodated in the inflator housing, the gas generator including, a gas generator housing constituting an outer shell of the gas generator, the gas generator housing including a charge-transferring chamber formed inside a cylindrical charge-transferring chamber housing provided longitudinally in an extension of one ignition means, a first gas generating chamber and a second gas generating chamber defined by the charge-transferring chamber housing and the gas generator housing, each storing gas generating means therein, a first retainer disposed on a first end of the first gas generating chamber, and a second retainer disposed on a second end of the first gas generating chamber between the first gas generating chamber and the second gas generating chamber, such that respective distances in the longitudinal direction of the first gas generating chamber and the second gas generating chamber are adjusted by the first retainer and the second retainer, each of the first retainer and the second retainer including a combination of a larger-diameter cylinder having one end surface closed and the other end surface open, a smaller-diameter cylinder being formed integrally with the larger-diameter cylinder to project towards the inside and the opening portion of the larger-diameter cylinder and having both end faces open, and an annular member being provided between the larger-diameter cylinder and the smaller-diameter cylinder; and an ignition means chamber provided with an ignition means connected to the gas generator. 18. A hybrid inflator according to claim 17, wherein the annular member provided between the larger-diameter cylinder and the smaller-diameter cylinder is integrally with the closed end surface to project towards the opening portion or formed separately and arranged.19. A hybrid inflator according to claim 17 or 18, wherein, in the retainer, a height of the side wall of the larger-diameter cylinder is highest and a height of the annular member is lowest.20. A hybrid inflator according to claim 17, wherein the first retainer is arranged such that the closed end surface is positioned in the first gas generating chamber side and the second retainer is arranged such that the opening portion is positioned in the first gas generating chamber side.21. A hybrid inflator for an inflating-type safety system of a vehicle provided with an air bag, comprising:an inflator housing charged with a pressurized medium containing an inert gas; a gas generator accommodated in the inflator housing, the gas generator including, a gas generator housing constituting an outer shell of the gas generator, the gas generator housing including a charge-transferring chamber formed inside a cylindrical charge-transferring chamber housing provided longitudinally in an extension of one ignition means, at least one gas generating chamber defined by the charge-transferring chamber housing and the gas generator housing, and storing gas generating means therein, and a spare communication hole that penetrates a wall of the gas generator housing and formed where the gas generating chamber is not provided; and an ignition means chamber provided with ignition means connected to the gas generator. 22. A hybrid inflator according to claim 21, wherein the spare communication hole serves as a spare passage for discharging the pressurized medium and a combustion gas from the hybrid inflator.23. A hybrid inflator for an inflating-type safety system of a vehicle provided with an air bag, comprising:an inflator housing charged with a pressurized medium containing an inert gas; a gas generator accommodated in the inflator housing, the gas generator including, a gas generator housing constituting an outer shell of the gas generator, the gas generator housing including a charge-transferring chamber formed inside a cylindrical charge-transferring chamber housing provided longitudinally in an extension of at least one ignition means, a first gas generating chamber and a second gas generating chamber defined by the charge-transferring chamber housing and the gas generator housing, each of the first gas generating chamber and the second gas generating chamber storing solid gas generating agent therein, and a spare communication hole that penetrates a wall of the gas generator housing and formed where the first gas generating chamber and the second gas generating chamber are not provided; and a boss disposed at one end of the inflator housing and provided with an ignition means chamber accommodating the at least one ignition means connected to the gas generator, wherein charge-transferring means adapted to be ignited and burnt by the ignition means is disposed in the charge-transferring chamber housing, and one end of the charge-transferring chamber housing has a skirt portion expanding in the radial direction, the charge-transferring means is inserted into the skirt portion, and the periphery of the skirt portion is crimped from the outside by an annular projecting portion integrated with the boss, or one end of the charge-transferring chamber housing has a bent portion bent outwardly in the radial direction, the charge-transferring means is inserted into one end formed with the bent portion in the charge-transferring chamber housing, and the periphery of the bent portion is crimped from the outside by the annular projecting portion integrated with the boss. 24. A hybrid inflator according to claim 23, wherein the skirt portion and the annular projecting portion, or the bent portion and the annular projecting portion contact with each other to adhere closer by a force against a force applied in the longitudinal direction of the hybrid inflator.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.