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1.发明公开
公开(公告)号：EP2267401A1
公开(公告)日：2010-12-29
申请号：EP10177661.5
申请日：2007-10-25
申请人： SEVA TECHNOLOGIES
IPC分类号： F42B3/04 , B60R21/264
CPC分类号： F42B3/04 , B60R21/2644 , B60R2021/2633 , B60R2021/2648
摘要： L'invention concerne un générateur de gaz comprenant : une chambre primaire (3) de stockage et de combustion d'un composé pyrotechnique primaire, présentant une tuyère (39) pour l'expulsion des produits de combustion du composé primaire en un jet primaire selon une direction axiale du générateur ; un système d'allumage (11) ; une chambre secondaire (32) de stockage et de décomposition d'un composé secondaire, le jet primaire pilotant la décomposition du composé secondaire, la chambre secondaire présentant une ouverture (40) d'entrée du jet primaire ; au moins une zone de stabilisation (33) communiquant avec la chambre secondaire et avec l'extérieur du générateur. La zone de stabilisation s'étend en aval de la chambre secondaire et un bouclier (37) est formé en regard du jet primaire au niveau de la paroi séparant la chambre secondaire et la zone de stabilisation.
摘要翻译： 具有可用于汽车的管状体（2）的烟火气体发生器（1）包括用于储存和燃烧初级烟火化合物的主室，用于启动初级化合物的燃烧以接收预定的 信号，用于存储和分解次级化合物的二级室，以及与二级室连通并与发生器外部释放所产生的气体的稳定区。 主室包括用于排出主要化合物的燃烧产物的喷嘴。 具有可用于汽车的管状体（2）的烟火气体发生器（1）包括用于储存和燃烧初级烟火化合物的主室，用于启动初级化合物的燃烧以接收预定的 信号，用于存储和分解次级化合物的二级室，以及与二级室连通并与发生器外部释放所产生的气体的稳定区。 主室包括用于沿着发电机的轴向排出初级化合物的主要化合物的燃烧产物的喷嘴。 次级室的一部分在主室的轴向延伸中延伸。 次级室具有用于初级射流的入口（14）。 分隔喷嘴和入口的距离小于2mm。 稳定区的一部分径向延伸到主室的周边。 主室由外壳形成，外壳插入管状体中。 外壳具有低于管状体的内部尺寸的外部尺寸，使得根据径向方向在外壳和管状体之间产生内部体积，其中体积产生稳定区域或稳定区域的一部分。 次级室和稳定区由墙壁隔开。 根据轴向方向相对于每个喷嘴在壁上形成块体，其中块适于抵抗主喷射器的压力。 主腔室根据其纵向具有最大内部长度（L），并且根据其横向正交方向具有最大内部长度（phi），其中L / phi的比率高于1.5。 点火系统布置在主室的纵向端。 主要化合物具有由初级和次级化合物形成的爆炸电荷（10重量％）。 主室含有2克初级化合物。 主要化合物包括双基推进剂，复合推进剂含有调节初级化合物的氧平衡的添加剂，含有硝酸铜和硝酸胍的弹道粉和/或烟火组合物。 添加剂旨在吸收主要化合物的燃烧产物的一部分能量。 包括用于产生气体的系统的独立权利要求。
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公开(公告)号：EP2084486A2
公开(公告)日：2009-08-05
申请号：EP07866437.2
申请日：2007-10-25
申请人： Seva Technologies
IPC分类号： F42B3/04 , B60R21/264
CPC分类号： F42B3/04 , B60R21/2644 , B60R2021/2633 , B60R2021/2648
摘要： The invention relates to a gas generator comprising: a primary chamber (3) for storing and burning a primary pyrotechnic compound, having a nozzle (17) for expelling the products of combustion of the primary compound in the form of a primary jet in an axial direction of the generator; an ignition system (11); a secondary chamber (5) for storing and breaking down a secondary compound, the primary jet driving the breakdown of the secondary compound, the secondary chamber having an inlet opening (14) for the primary jet; at least one stabilization zone communicating with the secondary chamber and with the outside of the generator. In a first version, the stabilization chamber (12) extends at least partially around the primary chamber. In a second version, the stabilization zone extends downstream of the secondary chamber and a shield is formed facing the primary jet at the wall dividing the secondary chamber from the stabilization zone.
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公开(公告)号：EP2406577B1
公开(公告)日：2013-09-11
申请号：EP10715314.0
申请日：2010-03-10
申请人： Seva Technologies
IPC分类号： F42B3/04
CPC分类号： F42B3/04
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公开(公告)号：EP1960238B1
公开(公告)日：2011-01-26
申请号：EP06842152.8
申请日：2006-12-13
申请人： SEVA TECHNOLOGIES
IPC分类号： B60R21/26
CPC分类号： B60R21/2644 , B60R2021/2648
摘要： The present invention relates to a gas generator (1) for a safety system. This generator comprises an explosible change formed at least by a primary pyrotechnic compound, in a first chamber (10), initiated by at least one initiator (11) provided with a reinforcing charge and a secondary compound, in a second chamber (20) provided, in a first zone (30) close to said first chamber, with peripheral orifices (17) for discharging the gases and containing, in a second zone (40), said secondary compound. A means (70) forming an obstacle to the passage of the gases is installed in said second chamber between said first and second zones, said obstacle-forming means allowing the gases to pass into a central part and forming an obstacle to their passage into a peripheral part, with sufficient transparency for the gas interaction volume to be slightly confined.
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5.发明授权
公开(公告)号：EP1284893B1
公开(公告)日：2004-12-08
申请号：EP01938331.4
申请日：2001-05-23
申请人： SEVA TECHNOLOGIES
发明人： Cord, Paul Philippe
IPC分类号： B60R21/26
CPC分类号： B60R21/2644 , B60R2021/2648
摘要： The invention concerns a device (1) for operating an element, in particular a safety element, for protecting goods and/or people and in particular for protecting at least a vehicle passenger, comprising a gas generating system (3) connected to said safety element [for example a safety airbag (2)] and comprising an explosible charge (4) consisting of at least a primary pyrotechnic compound (5) and a secondary compound (6). The invention is characterised in that the at least primary compound is designed to control the decomposition of the at least secondary compound (6) and enables at least an interaction of the combustion products of the primary and secondary compounds in at least a non confined or slightly confined interaction volume (7) of said gas generating system (3), said interaction capable of being at least partly a redox reaction.
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公开(公告)号：EP2079978A2
公开(公告)日：2009-07-22
申请号：EP07866436.4
申请日：2007-10-25
申请人： Seva Technologies
IPC分类号： F42B3/04 , B60R21/264
CPC分类号： F42B3/04 , B60R21/2644 , B60R2021/2633 , B60R2021/2648
摘要： The invention relates to a gas generator comprising a resistant frame capable of maintaining its integrity during the operation thereof, wherein said frame defines a primary chamber (3) containing a primary pyrotechnical compound such as a propellant, a secondary chamber (14) containing a secondary compound such as ammonium nitrate with an additive, and a stabilisation area (22). The frame portion defining the secondary chamber comprises at least one wall (15, 16) that is made lighter using at least one gas-tight solid polymeric material, said polymeric material(s) being used for forming a lighter wall having a mechanical-property decay temperature higher than 120°C and having mechanical characteristics such that the secondary chamber has an inner volume during operation lower than four times said inner volume under rest conditions.
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公开(公告)号：EP1960238A1
公开(公告)日：2008-08-27
申请号：EP06842152.8
申请日：2006-12-13
申请人： SEVA TECHNOLOGIES
IPC分类号： B60R21/26
CPC分类号： B60R21/2644 , B60R2021/2648
摘要： The present invention relates to a gas generator (1) for a safety system. This generator comprises an explosible change formed at least by a primary pyrotechnic compound, in a first chamber (10), initiated by at least one initiator (11) provided with a reinforcing charge and a secondary compound, in a second chamber (20) provided, in a first zone (30) close to said first chamber, with peripheral orifices (17) for discharging the gases and containing, in a second zone (40), said secondary compound. A means (70) forming an obstacle to the passage of the gases is installed in said second chamber between said first and second zones, said obstacle-forming means allowing the gases to pass into a central part and forming an obstacle to their passage into a peripheral part, with sufficient transparency for the gas interaction volume to be slightly confined.
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公开(公告)号：EP3606894A1
公开(公告)日：2020-02-12
申请号：EP18718609.3
申请日：2018-04-03
申请人： Seva Technologies
发明人： CORD, Paul Philippe
IPC分类号： C06D5/06 , B60R21/264
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公开(公告)号：EP2406577A1
公开(公告)日：2012-01-18
申请号：EP10715314.0
申请日：2010-03-10
申请人： Seva Technologies
IPC分类号： F42B3/04
CPC分类号： F42B3/04
摘要： The invention relates to a gas generator (1) that includes: a gas generation chamber (10) for storing and decomposing a gas generating compound (11), wherein the product from the permanent-mode decomposition impart to the compound an amount of energy that is not sufficient for sustaining said decomposition; a stabilisation area (8) in communication with the gas generation chamber via at least one discharge opening (14) for discharging the gas generated into the stabilisation area, and with the outside via gas release holes (9); an energy supply device (4) in the form of at least one non-pyrotechnic energy beam such that each beam ensures an energy supply between the gas generating compound and the discharge openings of the stabilisation area in order to increase the energy density of the gases resulting from the decomposition as a complement of the energy released by said decomposition.
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