Mounting of a thrust neutral inflator for air bag modules
    1.
    发明授权
    Mounting of a thrust neutral inflator for air bag modules 失效
    安装用于气囊模块的推力中性充气机

    公开(公告)号:US5472229A

    公开(公告)日:1995-12-05

    申请号:US184364

    申请日:1994-01-21

    摘要: An air bag module (50) comprising an inflator (40) for generating inflation gas; an air bag (12) disposed about the inflator to receive the inflation gas exiting the inflator; a structure (52) for supporting at least the inflator. The inflator comprises: a pressure vessel (42) and a plurality of exit ports (16). The exit ports are arranged to render the inflator in a thrust neutral condition when the inflator is not attached to the structure. A plug (60) or plugs is provided for closing a designated set of exit ports to render the inflator in a non-thrust neutral condition when supported by the structure. Each plug is received in each of the designated exit ports and is preferably received though a portion of the structure such that if the inflator is removed from the structure each plug must also be removed, thereby opening all of previously closed exit ports and rendering the inflator in its thrust neutral condition once again.

    摘要翻译: 一种气囊模块(50),包括用于产生充气气体的充气机(40) 设置在充气器周围的气囊(12),以接收离开充气器的充气气体; 用于至少支撑充气机的结构(52)。 充气机包括:压力容器(42)和多个出口(16)。 排气口布置成当充气机未附接到结构时使充气机处于推力中性状态。 提供插头(60)或塞子用于关闭指定的一组出口端口,以在由结构支撑时使充气机处于非推力中性状态。 每个塞子被接收在每个指定的出口端口中,并且优选地通过结构的一部分被接收,使得如果从结构中移除充气机,则每个塞子也必须被去除,从而打开所有先前封闭的出口并使得充气机 在其推力中性条件下再次。

    Temperature compensated low pressure switch for hybrid inflators
    2.
    发明授权
    Temperature compensated low pressure switch for hybrid inflators 失效
    用于混合式充气机的温度补偿低压开关

    公开(公告)号:US5304758A

    公开(公告)日:1994-04-19

    申请号:US876241

    申请日:1992-04-30

    IPC分类号: H01H35/28 H01H35/34

    摘要: A pressure switch (30) adapted to be placed within a pressurized chamber for generating a logical signal when the pressure within the chamber reduces to a determinable pressure P.sub.1. The pressure switch (30) comprises: a pressure vessel (32) sealed at one end (34) by a snap action diagram (40) and having an inner stop (42) and an outer stop (60, 62) respectively positioned on opposing sides of the diaphragm (40) for limiting diaphragm motion. The outer stop comprises: a first cylindrical portion (78), a first pair of parallel slots (80a, b) formed therein and a through bore (70, 72, 74) extending therethrough. A switch assembly is loosely mounted to the outer stop. The switch assembly (90) comprises an upper housing member (92), a lower housing member (94), first and second electrical contacts (96a, 96b) and a pin (98). The upper housing member (92) comprising a hollow cylindrical portion (100) adapted to be slid over first cylindrical portion including a second pair of opposing slots (113a, b), the first and second cylindrical portions (78, 100) are loosely secured together by a clip (150) fitted within the first and second pair of slots (80a,b; 112a,b) to eliminate compressive loading between the switch assembly and other components of the switch.

    摘要翻译: 压力开关(30)适于放置在加压室内以在室内的压力降低到可确定的压力P1时产生逻辑信号。 压力开关(30)包括:压力容器(32),其通过卡扣动作图(40)在一端(34)处密封并且具有分别位于相对的位置上的内部止动件(42)和外部止动件(60,62) 隔膜(40)的侧面用于限制隔膜运动。 外止动件包括:第一圆柱形部分(78),形成在其中的第一对平行狭槽(80a,b)和延伸穿过其中的通孔(70,72,74)。 开关组件松动地安装到外部止动件。 开关组件(90)包括上壳体构件(92),下壳体构件(94),第一和第二电触头(96a,96b)和销(98)。 上壳体构件(92)包括适于在包括第二对相对的槽(113a,b)的第一圆柱形部分上滑动的中空圆柱形部分(100),第一和第二圆柱形部分(78,100)松动地固定 一起装配在第一和第二对槽(80a,b; 112a,b)内的夹子(150),以消除开关组件与开关的其它部件之间的压缩载荷。

    Hybrid inflator with staged inflation capability
    4.
    发明授权
    Hybrid inflator with staged inflation capability 失效
    具有分期通货膨胀能力的混合式充气机

    公开(公告)号:US5351988A

    公开(公告)日:1994-10-04

    申请号:US833240

    申请日:1992-04-14

    摘要: An inflator comprising: a pressure vessel (10) for storing a quantity of stored inflation gas under pressure. The pressure vessel comprising a first burst disk (46) and a seal disk (310) both for selectively sealing same. The inflator (10) including a gas release mechanism (52, 300) for permitting the controlled, staged release of the inflation gas at determinable inflation rates. The gas release mechanism includes: a first pyrotechnic device, positioned outside of the pressure vessel and spaced from the first burst disk (46), including a piston (72) moved into a disk piercing position to rupture the first burst disk (46) in response to the buildup of pressure caused burning of a first quantity of propellant material (218). The bursting of the first burst disk permits the inflation gas to initially flow out of the pressure vessel at a determinable cold inflation rate, the piston thereafter provides a conduit to communicate the products of combustion of the burning propellent to the pressure means so as to increase the temperature of the inflation gas therein and thereby increase the rate of egress of the gas. The inflator (10) also includes a second pyrotechnic mechanism (300), positioned outside of the pressure vessel and spaced from the seal disk (310), for providing, when activated, additional products of combustion arising from burning of a second quantity of propellent material, the products of combustion opening the seal disk (310) and thereafter entering the pressure vessel to heat the inflation gas therein and thereby elevate the rate of egress of the inflation gas above the rate achievable by the first pyrotechnic device.

    摘要翻译: 一种充气机,包括:压力容器(10),用于在压力下存储一定量的储存的充气。 压力容器包括用于选择性地密封其的第一爆破盘(46)和密封盘(310)。 充气机(10)包括气体释放机构(52,300),用于允许在可确定的充气速率下控制分级地释放膨胀气体。 气体释放机构包括:第一烟火装置,其位于压力容器的外部并且与第一爆破盘(46)间隔开,包括移动到盘穿刺位置以使第一爆破盘(46)破裂的活塞(72) 响应于压力的累积导致第一量的推进剂材料(218)的燃烧。 第一爆破盘的爆裂允许膨胀气体以可确定的冷充气速率首先从压力容器流出,然后活塞提供导管,以将燃烧的推进剂的燃烧产物与压力装置进行通信,从而增加 其中的充气气体的温度由此增加了气体的排出速率。 充气机(10)还包括位于压力容器外部并与密封盘(310)间隔开的第二烟火机构(300),用于当被激活时提供由第二量的推进剂燃烧产生的附加燃烧产物 材料,燃烧产物打开密封盘(310),然后进入压力容器以加热其中的充气气体,从而将膨胀气体的排出速率提高到高于第一烟火设备可实现的速率。

    Hybrid inflator
    5.
    发明授权
    Hybrid inflator 失效
    混合式充气机

    公开(公告)号:US5660412A

    公开(公告)日:1997-08-26

    申请号:US718035

    申请日:1996-09-23

    IPC分类号: B60R21/272 B60R21/26

    CPC分类号: B60R21/272

    摘要: A hybrid inflator (20) comprising: a pressure vessel (22) including a central member (24) closed at ends by a first (28) and a second closure member (30), one of the closure members including a passage means (70) for introducing pressurized inflation gas into the pressure vessel and the other of the closure members including a breakable disk (34) in communication with at least one exit port (40); a pyrotechnic container (80), within the pressure vessel, secured at one end to one of the closure members (28) and including a plurality of vent openings (90) thereabout, a first quantity of pyrotechnic material (100), located within the pyrotechnic container for providing, at a first controlled gas generation rate, the primary source of heating the inflation gas in the pressure vessel, a second quantity of pyrotechnic material (102) located at least partially within the first quantity of pyrotechnic material characterized by a gas generation rate greater than that of the gas generation rate of the first quantity of material, for producing products of combustion that ignite the first quantity of material and wherein a portion of these products of combustion directly heat the inflation gas, an initiator (104) for igniting the second quantity of pyrotechnic material.

    摘要翻译: 一种混合充气机(20),包括:压力容器(22),包括中心构件(24),所述中心构件(24)在端部处由第一闭合构件(30)和第二闭合构件(30)封闭,所述闭合构件中的一个包括通道装置 ),用于将加压的充气气体引入所述压力容器中,并且所述封闭构件中的另一个包括与至少一个出口(40)连通的可破坏盘(34); 在压力容器内的烟火容器(80)在一端固定到封闭构件(28)中的一个并且在其周围包括多个通气开口(90),第一数量的烟火材料(100)位于 烟火容器,以第一控制气体产生速率提供加压压力容器中的充气气体的主要来源,第二数量的烟火材料(102)至少部分位于第一数量的烟火材料内,其特征在于气体 产生率高于第一量的材料的气体产生速率,用于产生点燃第一量的材料的燃烧产物,并且其中这些燃烧产物的一部分直接加热膨胀气体;起动器(104),用于 点燃第二批烟火材料。