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    • 12. 发明授权
    • Two stage rocket combustor
    • 两级火箭燃烧器
    • US4936091A
    • 1990-06-26
    • US317166
    • 1989-02-28
    • Leonard Schoenman
    • Leonard Schoenman
    • F02K9/52F02K9/62F02K9/64
    • F02K9/52F02K9/62F02K9/64
    • A method for operating a rocket engine by injecting fuel and oxidizer into an elongated combustion chamber in two flows, a core flow where the fuel and oxidizer are intimately mixed and immediately combusted and a peripheral curtain flow which surrounds the core flow and which is in contact with the combustion chamber wall to cool it and limit the heat transfer from the wall to the injector to prevent vapor locks in the injector. To prevent decomposed or partially combusted propellant products from chemically reacting with the chamber wall no mixing of fuel and oxidizer takes place in the curtain flow. The curtain flow is deflected radially inward into the core flow, before decomposed or partially combusted products can come into contact with the wall, into the core flow to fully combust the curtain flow out of contact with the wall. The rocket engine is defined by serially arranged first and second combustion chambers and an injector constructed to form the core and curtain flows. A ring plate projects radially inward at the downstream end of the first chamber and deflects the curtain flow into the coreflow.
    • 一种通过将燃料和氧化剂注入到两个流中的细长燃烧室中来操作火箭发动机的方法,其中燃料和氧化剂被紧密地混合并立即燃烧的核心流动以及围绕核心流动并与之接触的周边帘流 其中燃烧室壁将其冷却并限制从壁到喷射器的热传递,以防止喷射器中的气体锁定。 为了防止分解或部分燃烧的推进剂产物与室壁发生化学反应,在幕流中不会发生燃料和氧化剂的混合。 在分解或部分燃烧的产品可能与壁接触的情况下,帘子流动被径向向内偏转到芯流中,从而将帘子流与墙壁完全燃烧以完全燃烧。 火箭发动机由串联布置的第一和第二燃烧室和构造成形成芯和帘流的喷射器限定。 环形板在第一室的下游端径向向内突出,并将窗帘流偏转到芯流中。
    • 13. 发明授权
    • Two stage rocket combustor
    • 两级火箭燃烧器
    • US4882904A
    • 1989-11-28
    • US172622
    • 1988-03-24
    • Leonard Schoenman
    • Leonard Schoenman
    • F02K9/52F02K9/62F02K9/64
    • F02K9/64F02K9/52F02K9/62
    • A method for operating a rocket engine by injecting fuel and oxidizer into an elongated combustion chamber in two flows, a core flow where the fuel and oxidizer are intimately mixed and immediately combusted and a peripheral curtain flow which surrounds the core flow and which is in contact with the combustion chamber wall to cool it and limit the heat transfer from the wall to the injector to prevent vapor locks in the injector. To prevent decomposed or partially combusted propellant products from chemically reacting with the chamber wall no mixing of fuel and oxidizer takes place in the curtain flow. The curtain flow is deflected radially inward into the core flow, before decomposed or partially combusted products can come into contact with the wall, into the core flow to fully combust the curtain flow out of contact with the wall. The rocket engine is defined by serially arranged first and second combustion chambers and an injector constructed to from the core and curtain flows. A ring plate projects radially inward at the downstream end of the first chamber and deflects the curtain flow into the coreflow.
    • 一种通过将燃料和氧化剂注入到两个流中的细长燃烧室中来操作火箭发动机的方法,其中燃料和氧化剂被紧密地混合并立即燃烧的核心流动以及围绕核心流动并与之接触的周边帘流 其中燃烧室壁将其冷却并限制从壁到喷射器的热传递,以防止喷射器中的气体锁定。 为了防止分解或部分燃烧的推进剂产物与室壁发生化学反应,在幕流中不会发生燃料和氧化剂的混合。 在分解或部分燃烧的产品可能与壁接触的情况下,帘子流动被径向向内偏转到芯流中,从而将帘子流与墙壁完全燃烧以完全燃烧。 火箭发动机由串联布置的第一和第二燃烧室和从核心和帘幕流构造的喷射器限定。 环形板在第一室的下游端径向向内突出,并将窗帘流偏转到芯流中。