The invention provides a common-bottom storage tank propelling system applied to a spacecraft. The common-bottom storage tank propelling system comprises a parallel cross gas path system, a cross supply liquid path system, a double-layer common-bottom storage tank, a pressure supplementing and releasing system of the double-layer common-bottom storage tank and a surplus measuring system. The parallel cross gas path system is used for realizing gas path cross supply to the double-layer common-bottom storage tank; the double-layer common-bottom storage box supplies liquid path propellants to the engine in a cross mode through the cross supply liquid path system. The pressure supplementing and releasing system is used for adjusting the common-bottom pressure difference and the absolute pressure of the double-layer common-bottom storage tank; and the residual amount measuring system is used for measuring the residual amount of the in-orbit propellant. The double-layer common-bottom storage box is adopted and serves as a force bearing structural part, the space layout is fully utilized, and the use safety is high; the reliability and safety of on-orbit use of the common-bottom storage tank are controlled in a system self-feedback adjusting mode, and meanwhile the system has the functions of gas-liquid path main and backup multiple switching, fault isolation and system reconfiguration.

    本发明提供了一种应用于空间飞行器共底贮箱推进系统,包括并联交叉气路系统、交叉供应液路系统、双层共底贮箱及其补压和泄压系统以及剩余量测量系统;所述并联交叉气路系统用于实现气路交叉供应所述双层共底贮箱;所述双层共底贮箱通过所述交叉供应液路系统为发动机交叉供应液路推进剂;所述补压和泄压系统用于调整所述双层共底贮箱的共底压差和绝对压力;所述剩余量测量系统用于在轨推进剂剩余量测量。本发明通过采用双层共底贮箱并作为承力结构件,充分利用了空间布局,使用安全性较高;通过系统自反馈调节方式控制共底贮箱在轨使用的可靠性安全性,同时系统具备气液路主备份多次切换、故障隔离及系统重构的功能。


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    Title :

    Common-bottom storage tank propelling system applied to spacecraft


    Additional title:

    应用于空间飞行器共底贮箱推进系统


    Contributors:
    WANG JIANHAI (author) / WANG WEI (author) / ZHU YITAO (author) / ZHU YUNSHENG (author) / HE CAIQI (author) / ZHANG MENGCHAO (author) / YANG FENG (author)

    Publication date :

    2023-06-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B64G Raumfahrt , COSMONAUTICS



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