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    • 11. 发明授权
    • Overflow channeling reaction canister assembly
    • 溢流引导反应罐组件
    • US5564738A
    • 1996-10-15
    • US512591
    • 1995-08-10
    • Darrin L. Johnson
    • Darrin L. Johnson
    • B60R21/20B60R21/217B60R21/26B60R21/276
    • B60R21/2171B60R21/276
    • A reaction canister assembly for use in an inflatable airbag module system comprises a reaction canister housing having at least one open side and an inflator chamber. An inflator is disposed in the inflator chamber and includes a plurality of perforations or ports for passing excess gas generated within the inflator into the canister housing. At least one endplate partially closes the open side of the canister to leave an excess gas outlet passage at the open side of the housing. At least one overflow channel extends along a length of the housing for filtering and cooling the excess gas generated by the inflator. The excess gas passes through the ports of the inflator into the overflow channels and is discharged through the excess gas outlet passage at the open side of the housing.
    • 用于可充气安全气囊模块系统的反应罐组件包括具有至少一个开口侧和充气器室的反应罐壳体。 充气机设置在充气机室中,并且包括多个穿孔或端口,用于将在充气机内产生的多余的气体传送到罐壳体中。 至少一个端板部分地封闭罐的开口侧,以在壳体的开放侧留下多余的气体出口通道。 至少一个溢流通道沿壳体的长度延伸,用于过滤和冷却由充气机产生的过量气体。 过量气体通过充气机的端口进入溢流通道,并通过外壳开口侧的多余气体出口通道排出。
    • 14. 发明授权
    • Regenerative piston engine for combustion of liquid monopropellant
    • 用于液体单组分推进剂燃烧的再生活塞发动机
    • US5755091A
    • 1998-05-26
    • US768146
    • 1996-12-17
    • Darrin L. Johnson
    • Darrin L. Johnson
    • F02B75/02F02K9/44
    • F02K9/44F02B75/02
    • A regenerative liquid propellant engine system includes a body having opposed ends. A combustion chamber is disposed in the body. A reservoir of liquid propellant is also disposed in the body. A regenerative piston is slidably disposed in the body for delivering the liquid propellant to the combustion chamber. When combustion occurs in the combustion chamber the piston is driven into the liquid propellant reservoir and the liquid propellant is injected into the combustion chamber to produce combustion products. A storage tank stores a quantity of liquid propellant and a pump delivers the liquid propellant from the storage tank to the liquid propellant reservoir. The regenerative piston produces the necessary pumping pressure to operate the pump, thus, the mechanical complexity and inefficiencies of other pumping techniques is avoided.
    • 再生液体推进剂发动机系统包括具有相对端的主体。 燃烧室设置在主体中。 液体推进剂储存器也设置在体内。 再生活塞可滑动地设置在主体中,用于将液体推进剂输送到燃烧室。 当在燃烧室中发生燃烧时,活塞被驱动进入液体推进剂储存器,液体推进剂被注入到燃烧室中以产生燃烧产物。 储罐储存一定数量的液体推进剂,并且泵将液体推进剂从储罐输送到液体推进剂储存器。 再生活塞产生必要的泵送压力来操作泵,因此避免了其他泵送技术的机械复杂性和低效率。
    • 16. 发明授权
    • Liquid propellant airbag inflator with auto injection combustion chamber
    • 液体推进气囊充气机带自动注射燃烧室
    • US5669631A
    • 1997-09-23
    • US751717
    • 1996-11-18
    • Darrin L. JohnsonL. John Pierotti
    • Darrin L. JohnsonL. John Pierotti
    • B60R21/26B60R21/264
    • B60R21/264B60R2021/26017
    • An improved liquid propellant airbag inflator including a tubular sidewall internally defining a combustion chamber and a propellant reservoir separated by a piston. A propellant injection port connecting the combustion chamber to the propellant reservoir is defined by a propellant guide surface of the tubular sidewall receiving the piston. According to one embodiment of the invention, the propellant injection port is provided in the form of a plurality of longitudinal grooves. According to another embodiment of the invention, an inner diameter of the propellant guide surface is larger than an outside diameter of the piston so that a gap, acting as the propellant injection port, is created between the propellant guide surface and the piston. The present invention also provides an improved liquid propellant airbag inflator including a tubular sidewall internally defining a combustion chamber and a propellant reservoir separated by a piston, wherein the sidewall defines a series of gas exhaust ports communicating with the combustion chamber. A cylindrical exhaust sleeve extends from the piston into the combustion chamber and seals the gas exhaust ports until the inflator is initiated and the piston is forced into the propellant reservoir. The present invention additionally provides an improved liquid propellant airbag inflator including a tubular sidewall internally defining a coolant reservoir, a combustion chamber and a propellant reservoir, with a propellant piston separating the propellant reservoir from the combustion chamber, and a coolant piston, independent from the propellant piston, separating the coolant reservoir from the combustion chamber.
    • 一种改进的液体推进剂气囊充气机,其包括内部限定燃烧室的管状侧壁和由活塞隔开的推进剂储存器。 将燃烧室连接到推进剂储存器的推进剂注入口由容纳活塞的管状侧壁的推进剂引导表面限定。 根据本发明的一个实施例,推进剂注入口以多个纵向凹槽的形式提供。 根据本发明的另一个实施例,推进剂引导表面的内径大于活塞的外径,使得在推进剂引导表面和活塞之间产生用作推进剂注入口的间隙。 本发明还提供了一种改进的液体推进剂气囊充气机,其包括内部限定燃烧室的管状侧壁和由活塞隔开的推进剂储存器,其中侧壁限定与燃烧室连通的一系列排气口。 圆柱形排气套筒从活塞延伸到燃烧室中并密封排气口,直到充气机启动并且活塞被迫进入推进剂储存器。 本发明另外提供一种改进的液体推进剂气囊充气机,其包括内部限定冷却剂储存器,燃烧室和推进剂储存器的管状侧壁,其中推进剂活塞将推进剂储存器与燃烧室分离,以及冷却剂活塞,独立于 推进剂活塞,将冷却剂储存器与燃烧室分离。
    • 17. 发明授权
    • Air bag inflator including plural burst disks
    • 包括多个爆破盘的气囊充气机
    • US06206414B1
    • 2001-03-27
    • US09129710
    • 1998-08-05
    • Fred J. CookKenneth K. GudewichTracy L. NelsonChad L. GreenleeDarrin L. Johnson
    • Fred J. CookKenneth K. GudewichTracy L. NelsonChad L. GreenleeDarrin L. Johnson
    • B60R2132
    • B60R21/272B60R21/264B60R2021/26094B60R2021/2633F16K13/06
    • An air bag inflator (10) includes a container (12) defining a chamber (14), and inflation fluid (66) under pressure in the chamber. A first opening (41) in the container (12) enables fluid flow from the chamber (14) to an inflatable device (32). A first burst disk (60) extends across the first opening (41) and is rupturable in response to an increase in the pressure differential across the first burst disk to a level above a first predetermined pressure differential. The inflator (10) includes a first igniter (90) for, when actuated, increasing the pressure differential across the first burst disk (60) to a level above the first predetermined pressure differential to rupture the first burst disk. A second opening (43) in the container (12) enables fluid flow from the chamber (14) to the inflatable device (32). A second burst disk (62) extends across the second opening (43) and is rupturable in response to an increase in the pressure differential across the second burst disk to a second predetermined pressure differential greater than the first differential. The inflator (10) includes a second igniter (110) actuatable independently of the first igniter (90) for, when actuated, increasing the pressure differential across the second burst disk (62) to a level above the second predetermined pressure differential to rupture the second burst disk.
    • 气囊充气机(10)包括限定腔室(14)的容器(12)和在腔室中的压力下的充气流体(66)。 容器(12)中的第一开口(41)使流体能够从腔室(14)流向可膨胀装置(32)。 第一爆破盘(60)跨过第一开口(41)延伸,并且响应于跨越第一爆破盘的压力差增加到高于第一预定压力差的水平而可破裂。 充气机(10)包括第一点火器(90),用于当致动时将跨越第一爆破盘(60)的压力差增加到高于第一预定压差的水平以破裂第一爆破盘。 容器(12)中的第二开口(43)使流体能够从腔室(14)流向可膨胀装置(32)。 第二爆破盘(62)跨越第二开口(43)延伸,并且响应于跨过第二爆破盘的压力差增加到大于第一差动的第二预定压力差而可破裂。 充气机(10)包括可独立于第一点火器(90)致动的第二点火器(110),用于当被致动时将跨越第二爆破盘(62)的压力差增加到高于第二预定压力差的水平以破裂 第二个爆破磁盘。
    • 18. 发明授权
    • Adaptive regenerative inflator
    • 自适应再生充气机
    • US5806884A
    • 1998-09-15
    • US802457
    • 1997-02-18
    • Darrin L. JohnsonBradley D. HarrisDonald R. Lauritzen
    • Darrin L. JohnsonBradley D. HarrisDonald R. Lauritzen
    • B60R21/26B60R21/263B60R21/264
    • B60R21/264B60R2021/26094B60R2021/2633
    • A regenerative monopropellant inflator providing adaptive performance. The inflator includes a housing defining an interior. A piston is received in the housing and divides the interior into a fuel supply chamber and a combustion chamber. The piston moves through the fuel supply chamber during the regenerative combustion cycle to produce an inflation gas from reaction of the fuel in the combustion chamber. The inflation gas exits the combustion chamber via exit ports. To provide adaptive performance a back pressure may be selectively applied to the piston against its travel. This slows the piston, and thus the gas production of the inflator. Alternatively, the total size of the exit ports could be selectively varied to thus vary the pressure within the combustion chamber, known as throttling. Increased pressure within the combustion chamber causes an increase in the rate of inflation gas production. By selectively varying either the piston back pressure or throttling prior to completion of the gas generation, the performance of the inflator may be adapted to the characteristics of a particular vehicle collision.
    • 提供适应性能的再生式单组分推进式充气机。 充气机包括限定内部的壳体。 活塞被容纳在壳体中并将内部分成燃料供应室和燃烧室。 活塞在再生燃烧循环期间移动通过燃料供应室,以产生来自燃烧室中的燃料的膨胀气体。 充气气体通过出口离开燃烧室。 为了提供适应性能,可以根据其行程选择性地向活塞施加背压。 这会减慢活塞,从而减少充气机的气体产量。 或者,出口的总尺寸可以选择性地变化,从而改变燃烧室内的压力,称为节流。 燃烧室内的压力增加导致膨胀气体生产速率的增加。 通过在气体产生完成之前选择性地改变活塞背压或节流,充气机的性能可以适应特定车辆碰撞的特性。
    • 19. 发明授权
    • Auto ignition system
    • 自动点火系统
    • US5762370A
    • 1998-06-09
    • US868030
    • 1997-06-03
    • David W. LindseyDarrin L. JohnsonBrent K. OlsonJ. Kirk StoreyWilliam B. Richardson
    • David W. LindseyDarrin L. JohnsonBrent K. OlsonJ. Kirk StoreyWilliam B. Richardson
    • B60R21/26B60R21/264
    • B60R21/2644B60R2021/26064
    • An auto ignition system for use as part of an airbag inflator having an ignitor tube. The auto ignition system includes an elongated auto ignition chamber having an open end and a length to width ratio of at least three. The auto ignition chamber is adapted to be positioned within the airbag inflator with the open end facing the ignitor tube. Auto ignition material is contained within the auto ignition chamber, and a metal foil retention disk closes the open end of the auto ignition chamber. According to one embodiment, the auto ignition chamber is a recess defined by an endwall of the airbag inflator with the open end of the recess facing the ignitor tube. According to another embodiment of the invention, a solid press-fit closure plug closes the open end of the auto ignition chamber, and according to an additional embodiment, the press-fit closure plug is a porous metal fiber or powder press-fit closure plug. According to a further embodiment, the auto ignition chamber is defined by a retention cup adapted to be press-fit within the recess defined by the endwall of the inflator.
    • 一种用作具有点火管的气囊充气机的一部分的自动点火系统。 自动点火系统包括具有开口端和长宽比至少为3的细长自动点火室。 自动点火室适于位于气囊充气机内,开口端面向点火管。 自动点火材料包含在自动点火室内,金属箔保持盘封闭自动点火室的开口端。 根据一个实施例,自动点火室是由气囊充气机的端壁限定的凹部,凹部的开口端面向点火管。 根据本发明的另一个实施例,固体压配闭合塞封闭自动点火室的开口端,并且根据另外的实施例,压配闭合塞是多孔金属纤维或粉末压配合闭塞 。 根据另一实施例,自动点火室由适于压配合在由充气机的端壁限定的凹部内的保持杯限定。
    • 20. 发明授权
    • Inflator flow inhibitor
    • 充气器阻流剂
    • US5743556A
    • 1998-04-28
    • US832427
    • 1997-04-02
    • David W. LindseyDarrin L. Johnson
    • David W. LindseyDarrin L. Johnson
    • B60R21/26B60R21/264B60R21/28
    • B60R21/2644
    • An inflator of a vehicle safety restraint system having a flow inhibitor system which forces ignition gases through a gas generant of the inflator. A housing includes a gas generant chamber and an igniter for generating an ignition gas. A gas generant is disposed within the gas generant chamber for generating an inflation gas. A shock absorbing devive supports the gas generant in the housing. The shock absorber is disposed within a region of the gas generant chamber. A flow inhibitor blocks the flow of the ignition gas into the region of the shock absorber. The flow inhibitor is disposed adjacent the shock absorber, such that the ignition gas does not enter the region of the shock absorber but passes solely through the gas generant.
    • 具有流动抑制系统的车辆安全约束系统的充气机,该系统迫使点燃气体通过充气机的气体发生器。 壳体包括气体发生器室和用于产生点火气体的点火器。 气体发生剂设置在气体发生室内用于产生充气气体。 减震器支持壳体中的气体发生器。 减震器设置在气体发生室的一个区域内。 流动抑制剂阻止点燃气体流入减震器的区域。 阻流剂设置在减震器附近,使得点燃气体不进入减震器的区域,而是仅通过气体发生器。