IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0857891
(2000-09-29)
|
우선권정보 |
JP-0281509 (1999-10-01); JP-0288951 (2000-09-22); JP-0290236 (2000-09-25) |
국제출원번호 |
PCT/JP00/06787
(2000-09-29)
|
국제공개번호 |
WO01/25058
(2001-04-12)
|
발명자
/ 주소 |
- Katsuda, Nobuyuki
- Hirata, Norimasa
- Yamazaki, Masayuki
|
출원인 / 주소 |
- Daicel Chemical Industries, Ltd.
|
대리인 / 주소 |
Birch, Stewart, Kolasch & Birch, LLP
|
인용정보 |
피인용 횟수 :
6 인용 특허 :
8 |
초록
▼
A hybrid inflator which is made more compact and lighter is provided. An excessive internal pressure increase at a time of activation is prevented by setting a molar ratio (A/B) between a pressurized medium (A moles) charged in a housing 102 and an amount of a gas (B moles) generated due to combusti
A hybrid inflator which is made more compact and lighter is provided. An excessive internal pressure increase at a time of activation is prevented by setting a molar ratio (A/B) between a pressurized medium (A moles) charged in a housing 102 and an amount of a gas (B moles) generated due to combustion of a gas generating agent 122 to 8/2 to 1/9.
대표청구항
▼
1. A hybrid inflator for an inflating-type safety system of vehicles provided with an air bag, comprising:an inflator housing containing pressurized medium therein, and having a gas exit opening closed by a rupturable disk and provided in a vicinity of a first end portion of the inflator housing;a g
1. A hybrid inflator for an inflating-type safety system of vehicles provided with an air bag, comprising:an inflator housing containing pressurized medium therein, and having a gas exit opening closed by a rupturable disk and provided in a vicinity of a first end portion of the inflator housing;a gas generator installed in the inflator housing and attached to a second end portion of the inflator housing opposing said first end portion with respect to a longitudinal direction of the inflator housing, said gas generator having at least one gas generating chamber and a plurality of ports formed only along a longitudinally axial direction of the gas generator in a circumferential wall thereof extending along the longitudinally axial direction to establish a fluid communication between the gas generating chamber and an interior of the inflator housing;gas generating agent provided inside the gas generating chamber, the gas generating agent being a mixture of at least a fuel, an oxidizing agent, and a slug-forming agent, for generating a predetermined amount (B) of combustion gas by combustion thereof, a molar ratio (A/B) between an amount (A moles) of the pressurized medium and the amount (B moles) of a gas generated due to combustion of the gas generating agent is between 8/2 and 1/9; andan ignition unit connected to the gas generator and adapted to ignite the gas generating agent. 2. A hybrid inflator according to claim 1, wherein the ratio A/B is 8/2 to 3/7. 3. A hybrid inflator according to claim 1, wherein the fuel is guanidine derivatives. 4. A hybrid inflator according to claim 1, wherein the fuel is a non-azide organic compound except the nitramine compounds. 5. A hybrid inflator according to claim 1, wherein a pressure index of the gas generating agent is less than 0.8. 6. A hybrid inflator according to claim 1, wherein a weight ratio (a/b) between a weight (a) of the pressurized medium and a weight (b) of the gas generating agent is 0.1 to 7. 7. A hybrid inflator according to claim 1, wherein the inflator housing is made of high strength steel. 8. A hybrid inflator according to claim 7, wherein the high strength steels has a tensile strength of being not less than 60 kg/mm2. 9. A hybrid inflator according to claim 1, wherein the gas generating agent is kept under a normal pressure atmosphere. 10. A hybrid inflator according to claim 1, wherein the gas generating agent is formed in a perforated cylindrical shape. 11. A hybrid inflator for an inflating-type safety system of vehicles provided with an air bag, comprising:an inflator housing containing a pressurized medium therein that includes an inert gas and no oxygen, said inflator housing having a gas exit opening closed by a rupturable disk and provided in a vicinity of a first end portion of the inflator housing;a gas generator installed in the inflator housing and attached to a second end portion of the inflator housing opposing said first end portion with respect to a longitudinal direction of the inflator housing, said gas generator having at least one gas generating chamber and a plurality of ports formed only along a longitudinally axial direction of the gas generator in a circumferential wall thereof extending along the longitudinally axial direction to establish a fluid communication between the gas generating chamber and an interior of the inflator housing;a gas generating agent provided in the gas generating chamber, the gas generating agent being a mixture of at least a fuel, an oxidizing agent, and a slug-forming agent, a molar ratio (A/B) between an amount (A moles) of the pressurized medium and an amount (B moles) of a gas generated due to combustion of the gas generating agent being between 8/2 and 1/9; andan ignition unit connected to the gas generator and adapted to ignite the gas generating agent. 12. A hybrid inflator according to claim 11, wherein the ratio A/B is 8/2 to 3/7. 13. A hybrid inflator according to claim 11, wherein the fuel is guanidine derivative. 14. A hybrid inflator according to claim 11, wherein the fuel is a non-azide organic compound except the nitramine compounds. 15. A hybrid inflator according to claim 11, wherein a pressure index of the gas generating agent is less than 0.8. 16. A hybrid inflator according to claim 11, wherein a weight ratio (a/b) between a weight (a) of the pressurized medium and a weight (b) of the gas generating agent is 0.1 to 7. 17. A hybrid inflator for an inflating-type safety system of vehicles provided with an air bag, comprising:an inflator housing containing a pressurized medium including an inert gas therein and having a gas exit opening closed by a rupturable disk and provided in a vicinity of a first end portion of the inflator housing, the pressurized medium containing no oxygen;a gas generating agent including a fuel, an oxidizing agent, and a slug-forming agent;a gas generator installed in the inflator housing and attached to a second end portion of the inflator housing opposing said first end portion with respect to a longitudinal direction of the inflator housing, said gas generator having at least one gas generating chamber that contains the gas generating agent and having a plurality of ports formed only along a longitudinally axial direction of the gas generator in a circumferential wall thereof extending along the longitudinally axial direction to establish a fluid communication between the gas generating chamber and an interior of the inflator housing; andan ignition means chamber connected to the gas generator and including an ignition unit adapted to ignite the gas generating agent. 18. A hybrid inflator for an inflating-type safety system of vehicles provided with an air bag, comprising:an inflator housing containing a pressurized medium including an inert gas and no oxygen, said inflator having a gas exit opening closed by a rupturable disk and provided in a vicinity of a first end portion of the inflator housing:a gas generating agent, comprising a fuel, an oxidizing agent, and a slug-forming agent, said gas generating agent having a pressure index of less than 0.8;a gas generator installed in the inflator housing and attached to a second end portion of the inflator housing opposing said first end portion with respect to a longitudinal direction of the inflator housing, said gas generator having at least one gas generating chamber for storing a gas generating agent and having a plurality of ports formed only along a longitudinally axial direction of the gas generator in a circumferential wall thereof extending along the longitudinally axial direction to establish a fluid communication between the gas generating chamber and an interior of the inflator housing: andan ignition means changer connected to the gas generator and including an ignition unit adapted to ignite the gas generating agent. 19. An air bag apparatus, comprising:an activating signal outputting unit that includes an impact sensor for detecting an impact and a control unit, anda module case containing an air bag and a hybrid inflator, said hybrid inflator including,an inflator housing containing pressurized medium therein and having a gas exit opening closed by a rupturable disk and provided in a vicinity of a first end portion of the inflator housing,a gas generator installed in the inflator housing and attached to a second end portion of the inflator housing opposing said first end portion with respect to a longitudinal direction of the inflator housing, said gas generator having at least one gas generating chamber and having a plurality of ports formed only along a longitudinally axial direction of the gas generator in a circumferential wall thereof extending along the longitudinally axial direction to establish a fluid communication between the gas generating chamber and an interior of the inflator housing;a gas generating agent provided in the gas generating chamber, the gas generating agent being a mixture of at least a fuel, an oxi dizing agent, and a slug-forming agent, for generating a predetermined amount (B) of combustion gas by combustion thereof, a molar ratio (A/B) between an amount (A moles) of the pressurized medium and the amount (B moles) of a gas generated due to combustion of the gas generating agent is between 8/2 and 1/9, andan ignition unit connected to the gas generator and adapted to ignite the gas generating agent.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.