Dimensionally stable throat insert for rocket thrusters
    1.
    发明授权
    Dimensionally stable throat insert for rocket thrusters 失效
    用于火箭推进器的尺寸稳定的喉部插入物

    公开(公告)号:US5802842A

    公开(公告)日:1998-09-08

    申请号:US688628

    申请日:1996-07-29

    CPC classification number: B23P15/008 F02K9/974 Y10T29/49346

    Abstract: In accordance with the teachings of the present invention, there is disclosed a thruster rocket engine throat insert (12) having a thin walled shell (54) made from a high strength, oxidation resistant material. The shell (54) having a throat (48) of reduced cross-section and a radially extending annular stiffening ring (60) located at the throat (48). A casing (56) made from a material having a thermal conductivity at least 10 times greater than that of shell (54) is molded around an outer surface (58) of shell (54) and has a generally cylindrical exterior surface (59). Shell (54) resists yielding and oxidation caused by the extreme temperatures of rocket fuel combustion products passing through the throat insert (12), while the casing (56) acts to efficiently transfer heat from the shell (54).

    Abstract translation: 根据本发明的教导,公开了一种推进器火箭发动机喉部插入件(12),其具有由高强度,抗氧化材料制成的薄壁壳体(54)。 壳体(54)具有横截面减小的喉部(48)和位于喉部(48)处的径向延伸的环形加强环(60)。 由外壳(54)的外表面(58)周围模制由具有比外壳(54)的导热系数大至少10倍的热导率的材料制成的外壳(56),并且具有大致圆柱形的外表面(59)。 壳体(54)抵抗由通过喉部插入件(12)的火箭燃料燃烧产物的极端温度引起的屈服和氧化,同时壳体(56)用于有效地传递来自壳体(54)的热量。

    Satellite propulsion and power system
    3.
    发明授权
    Satellite propulsion and power system 失效
    卫星推进和电力系统

    公开(公告)号:US5417049A

    公开(公告)日:1995-05-23

    申请号:US748990

    申请日:1991-08-21

    Abstract: In the preferred embodiment of the invention, a cooled bipropellant thruster 70 for controlling the on-orbit position and orientation of a spacecraft is provided. The cooled bipropellant thruster 70 uses a liquid fuel and liquid oxidizer. The liquid fuel is decomposed in a first chamber 72 with a catalytic bed of decomposition material 74 and produces at least one reaction gas, which flows to the second reaction chamber 90. The second reaction chamber 90 is heated by the reaction gas, but is cooled by liquid oxidizer flowing through cooling passages 92, 94, 98, and 102, which brings the oxidizer into a heat exchange relationship with the second reaction chamber 90. During the heat exchange relationship, heat is transferred from the second reaction chamber 90 to the oxidizer and the oxidizer transforms into a gas. The gaseous oxidizer is fed into a second reaction chamber 90 to secondarily react with the reaction gas.

    Abstract translation: 在本发明的优选实施例中,提供了用于控制航天器的在轨位置和取向的冷却双组元推进器推进器70。 冷却的双组元推进剂推进器70使用液体燃料和液体氧化剂。 液体燃料在分解材料74的催化床的第一室72中分解,并产生至少一个流到第二反应室90的反应气体。第二反应室90被反应气体加热,但被冷却 通过液体氧化剂流过冷却通道92,94,98和102,其使氧化剂与第二反应室90成热交换关系。在热交换关系期间,热量从第二反应室90转移到氧化剂 氧化剂转化为气体。 将气态氧化剂进料到第二反应室90中以与反应气体二次反应。

    Premixed cold reaction CW laser nozzle
    4.
    发明授权
    Premixed cold reaction CW laser nozzle 失效
    预混冷反应CW激光喷嘴

    公开(公告)号:US4785461A

    公开(公告)日:1988-11-15

    申请号:US11084

    申请日:1987-02-05

    CPC classification number: H01S3/0953

    Abstract: The premixed cold reaction CW chemical laser places the secondary injectors which input fuel and/or diluent in the exit walls of the primary nozzle. These injectors are acutely angled thereto and are arranged in rows and are further grouped therein where a first injector inputs a pure diluent, a second group of injectors inputs independently of a third group.

    Abstract translation: 预混合冷反应CW化学激光器将在二次喷射器中输入燃料和/或稀释剂的主喷嘴的出口壁。 这些喷射器与其成锐角并排列成行,并进一步分组在其中,第一喷射器输入纯稀释剂,第二组喷射器输入独立于第三组。

    Transverse mixing hypersonic wedge nozzle chemical laser
    5.
    发明授权
    Transverse mixing hypersonic wedge nozzle chemical laser 失效
    横向混合超音速楔形喷嘴化学激光

    公开(公告)号:US4237429A

    公开(公告)日:1980-12-02

    申请号:US958919

    申请日:1978-11-08

    CPC classification number: H01S3/0953

    Abstract: The reactants in a chemical laser are mixed to effect a lasing action by expanding one reactant through a relatively large primary nozzle in such a way as to form an expanding reactant flow field whose free expansion is essentially two dimensional in character and occurs predominantly in directions parallel to a given plane (expansion plane) parallel to the flow path of the flow field, and injecting the other reactant into this expanding flow field in such a way that mixing of the reactants occurs by predominantly molecular diffusion of the second reactant into the first reactant flow field in directions transverse to the flow field expansion plane.

    Abstract translation: 将化学激光器中的反应物混合以通过使一个反应物膨胀穿过相对较大的主喷嘴以形成扩展的反应物流动场来实现激光作用,其自由膨胀基本上是二维的,并且主要在方向平行 到与流场的流动路径平行的给定平面(膨胀平面),并且将另一个反应物注入到该膨胀流场中,使得反应物的混合主要通过第二反应物的分子扩散进入第一反应物 流场横向于流场扩展平面。

    High energy DF chemical laser gain generator and related method for its fabrication
    6.
    发明授权
    High energy DF chemical laser gain generator and related method for its fabrication 有权
    高能DF化学激光增益发生器及其制造方法

    公开(公告)号:US06813304B2

    公开(公告)日:2004-11-02

    申请号:US09886765

    申请日:2001-06-21

    CPC classification number: H01S3/095 H01S3/03 H01S3/0407 H01S3/22 Y10S372/701

    Abstract: A DF or HF chemical laser gain generator fabricated by a platelet technique in which internal passages are more easily formed because the generator is made as a stack of thin platelets that are separately etched and then stacked together. The gain generator is water cooled through passages formed in it during the platelet fabrication process. Water cooling results in lower and more uniform operating temperatures and gas pressures, allowing the use of stronger metals which facilitate the elimination of supporting structures that can degrade laser beam quality. The fabrication method allows for the elimination of gas dynamic and thermally induced density gradients which further degrade laser beam quality.

    Abstract translation: 通过血小板技术制造的DF或HF化学激光增益发生器,其中内部通道更容易形成,因为发生器被制成作为单独蚀刻并堆叠在一起的薄片的堆叠。 在血小板制造过程中,增益发生器通过其中形成的通道进行水冷。 水冷却导致更低和更均匀的操作温度和气体压力,允许使用更强的金属,这有助于消除可能降低激光束质量的支撑结构。 制造方法允许消除气体动态和热致密度梯度,这进一步降低激光束质量。

    Mobile tactical high energy laser weapon system and method for generating a high energy laser beam
    7.
    发明授权
    Mobile tactical high energy laser weapon system and method for generating a high energy laser beam 失效
    移动战术高能激光武器系统和产生高能激光束的方法

    公开(公告)号:US06785315B1

    公开(公告)日:2004-08-31

    申请号:US09962629

    申请日:2001-09-24

    CPC classification number: F41H13/0062 H01S3/095

    Abstract: A laser weapon system using a high energy deuterium fluoride (DF) or hydrogen fluoride (HF) laser, for which all necessary reactants and other materials are carried on an easily movable vehicle. Reactant gases are stored mixed with a diluent gas, such as helium, for ease of handling and to provide nearly ideal gas behavior. Cooling water for the laser is also employed in a high pressure steam generator that uses diesel fuel and oxygen to produce heat. Apart from a fluorine generator, the system uses only four storage tanks for reactant gases.

    Abstract translation: 使用高能氘氟化物(DF)或氟化氢(HF)激光的激光武器系统,其中所有必需的反应物和其它材料都携带在容易移动的车辆上。 将反应物气体与诸如氦气之类的稀释气体混合,便于处理并提供几乎理想的气体行为。 用于激光的冷却水也用于使用柴油和氧气产生热量的高压蒸汽发生器。 除氟发生器外,该系统仅使用四个储罐作为反应气体。

    Method for making a throat insert for rocket thrusters
    8.
    发明授权
    Method for making a throat insert for rocket thrusters 失效
    制作火箭推进器喉咙插件的方法

    公开(公告)号:US6134781A

    公开(公告)日:2000-10-24

    申请号:US916379

    申请日:1997-08-22

    CPC classification number: B23P15/008 F02K9/974 Y10T29/49346

    Abstract: A thruster rocket engine throat insert (12) has a thin walled shell (54) made from a high strength, oxidation resistant material. The shell (54) having a throat (48) of reduced cross-section and a radially extending annular stiffening ring (60) located at the throat (48). A casing (56) made from a material having a thermal conductivity at least 10 times greater than that of shell (54) is molded around an outer surface (58) of shell (54) and has a generally cylindrical exterior surface (59). Shell (54) resists yielding and oxidation caused by the extreme temperatures of rocket fuel combustion products passing through the throat insert (12), while the casing (56) acts to efficiently transfer heat from the shell (54).

    Abstract translation: 推进器火箭发动机喉部插入件(12)具有由高强度,抗氧化材料制成的薄壁壳(54)。 壳体(54)具有横截面减小的喉部(48)和位于喉部(48)处的径向延伸的环形加强环(60)。 由外壳(54)的外表面(58)周围模制由具有比外壳(54)的导热系数大至少10倍的热导率的材料制成的外壳(56),并且具有大致圆柱形的外表面(59)。 壳体(54)抵抗由通过喉部插入件(12)的火箭燃料燃烧产物的极端温度引起的屈服和氧化,同时壳体(56)用于有效地传递来自壳体(54)的热量。

    Spacecraft attitude and velocity control thruster system
    10.
    发明授权
    Spacecraft attitude and velocity control thruster system 失效
    航天器姿态和速度控制推进器系统

    公开(公告)号:US6135393A

    公开(公告)日:2000-10-24

    申请号:US977759

    申请日:1997-11-25

    CPC classification number: F02K9/58 B64G1/26 B64G1/401 F02K9/50

    Abstract: A rocket propulsion system for spacecraft achieves greater economy, reliability and efficiency rocket by incorporating monopropellant RCS thrusters (1a-1f) for attitude control and bipropellant SCAT thrusters (5a-5c) for velocity control. Both sets of thrusters are designed to use the same liquid fuel, supplied by a pressurized non-pressure regulated tank, and operate in the blow down mode. In the propulsion system such station keeping and attitude control thrusters may function in conjunction with a large thrust apogee kick engine, which may also be of the SCAT thruster construction, that uses the same propellent fuel. Hydrazine and Binitrogen tetroxide are preferred as the fuel and oxidizer, respectively. The new system offers a simple conversion of existing monopropellant systems to a high performance bipropellant dual mode system without the extreme complexity and cost attendant to a binitrogen tetroxide--hydrazine bipropellant system.

    Abstract translation: 用于航天器的火箭推进系统通过结合用于速度控制的姿态控制和双组分推进器SCAT推进器(5a-5c)的单组分推进剂RCS推进器(1a-1f)来实现更高的经济性,可靠性和效率。 两组推进器均设计为使用与加压非压力调节罐一起提供的相同的液体燃料,并在吹扫模式下运行。 在推进系统中,这种车站保持和姿态控制推进器可以与使用相同推进燃料的大推力远地点踢发动机(也可以是SCAT推进器结构)结合起作用。 分别优选肼和四氧化二氮作为燃料和氧化剂。 新系统可将现有的单组分推进剂系统简单转换为高性能双组分推进剂双模式系统,而无需四氮氧化二肼 - 双酚双组分推进剂系统的极大复杂性和成本。

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