IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0650935
(2000-08-29)
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발명자
/ 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
Tarolli, Sundheim, Covell, Tummino & Szabo L.L.P.
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인용정보 |
피인용 횟수 :
4 인용 특허 :
9 |
초록
▼
An apparatus comprises a vehicle occupant protection device (14) and a gas generating material (18). The gas generating material (18), when ignited, produces a combustion gas that actuates the vehicle occupant protection device (14). At least about 45% by weight of the gas generating material (18) i
An apparatus comprises a vehicle occupant protection device (14) and a gas generating material (18). The gas generating material (18), when ignited, produces a combustion gas that actuates the vehicle occupant protection device (14). At least about 45% by weight of the gas generating material (18) is a mono-propellant selected from the group consisting of 3-nitramino-4-nitrofurazan and hydroxylammonium 3-nitroamino-4-nitrofurazan. 0 to about 48% by weight of the gas generating material (18) is an oxidizer. 0 to about 15% by weight of the gas generating material (18) is a binder.
대표청구항
▼
1. An apparatus comprising a vehicle occupant protection device and a gas generating material, which when ignited, produces a combustion gas that actuates the vehicle occupant protection device, the gas generating material comprising, at least about 45%, by weight of the gas generating material,
1. An apparatus comprising a vehicle occupant protection device and a gas generating material, which when ignited, produces a combustion gas that actuates the vehicle occupant protection device, the gas generating material comprising, at least about 45%, by weight of the gas generating material, hydroxylammonium 3-nitramino-4-nitrofurazan; a binder, said binder being present in an amount of about 2.5% to about 10% by weight of the gas generating material, and an oxidizer, said oxidizer being present in that amount necessary to oxygen balance the gas generating material so that carbon and hydrogen in the gas generating material are converted upon combustion to carbon dioxide and water. 2. The apparatus of claim 1, wherein the binder is selected from the group consisting of cellulose based binders, polycarbonates, polyurethanes, polyesters, polyethers, polysuccinates, thermoplastic rubbers, polybutadiene, polyolefins, polystyrene, and mixtures thereof. 3. The apparatus of claim 1, wherein the oxidizer is selected from the group consisting of alkali metal nitrates, alkaline earth metal nitrates, alkali metal perchlorates, alkaline earth metal perchlorates, alkali metal chlorates, alkaline earth metal chlorates, ammonium perchlorate, ammonium nitrate, and mixtures thereof. 4. The apparatus of claim 1, wherein the gas generating material comprises at least about 75%, by weight of the gas generating material, hydroxylammonium 3-nitramino-4-nitrofurazan. 5. The apparatus of claim 1, wherein the amount of oxidizer is less than about 25% by weight of the gas generating material. 6. An apparatus comprising a vehicle occupant protection device and a gas generating material, which when ignited, produces a combustion gas that actuates the vehicle occupant protection device, the gas generating material comprising: at least about 45%, by weight of the gas generating material, hydroxylammonium 3-nitramino-4-nitrofurazan, about 2.5% to about 10%, by weight of the gas generating material, a binder, and ammonium nitrate, wherein the amount of ammonium nitrate is present in that amount necessary to oxygen balance the gas generating material so that carbon and hydrogen in the gas generating material are converted, upon combustion, to carbon dioxide and water. 7. The apparatus of claim 6, wherein the binder is a polyethylene/butylene-polystyrene block copolymer. 8. The apparatus of claim 6 wherein the binder comprises cellulose acetate butyrate. 9. An apparatus comprising a vehicle occupant protection device and a gas generating material, which when ignited, produces a combustion gas that actuates the vehicle occupant protection device, the gas generating material comprising: at least about 75%, by weight of the gas generating material, hydroxylammonium 3-nitramino-4-nitrofurazan, about 2.5% to about 10% by weight of a binder, and potassium chlorate, wherein the amount of potassium chlorate is present in that amount necessary to oxygen balance the gas generating material so that carbon and hydrogen in the gas generating material are converted, upon combustion, to carbon dioxide and water. 10. The apparatus of claim 9, wherein the binder is a polyethylene/butylene-polystyrene block copolymer. 11. The apparatus of claim 9 wherein the binder comprises cellulose acetate butyrate. 12. An apparatus comprising a vehicle occupant protection device and a gas generating material, which when ignited, produces a combustion gas that actuates the vehicle occupant device, the gas generating material consisting essentially of: at least about 45%, by weight of the gas generating material, hydroxylammonium 3-nitramino-4-nitrofurazan, about 2.5% to about 10% by weight of a binder, and an oxidizer, said oxidizer being present in that amount effective to oxygen balance the gas generating material so that carbon and hydrogen in the gas generating material are converted, upon combustion, to carbon dioxide and water.
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