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    • 1. 发明申请
    • LANDING GEAR COMPRISING HYDRAULIC FLUID REPLENISHMENT DEVICE
    • 包括液压流体补偿装置的接地齿轮
    • WO2012101422A1
    • 2012-08-02
    • PCT/GB2012/050079
    • 2012-01-16
    • MESSIER-DOWTY LIMITEDBACON, RichardLAWSON, StevenBENNETT, Ian
    • BACON, RichardLAWSON, StevenBENNETT, Ian
    • B64C25/60
    • B64C25/60
    • An aircraft landing gear including a shock absorber and a fluid replenishment device, the shock absorber having a compression chamber containing hydraulic fluid and the fluid replenishment device including a recuperator chamber for providing hydraulic fluid to the compression chamber of the shock absorber, the recuperator chamber including: a closed container defining an internal space and having: a first port coupled in a fluid tight manner to the compression chamber of the shock absorber; a second port arranged to be coupled in a fluid tight manner to a pressurised source of auxiliary hydraulic fluid; and a third port arranged to be coupled in a fluid tight manner to a second source of pressurised fluid; a movable element movably mounted within the container and arranged to divide the internal space into first and second subspaces, the first and second ports being in fluid communication with the first subspace and the third port being in fluid communication with the second subspace; and a valve having a open configuration in which the auxiliary hydraulic fluid may pass into the first subspace and a closed configuration wherein the second port is sealed in a fluid tight manner, wherein the fluid replenishment device is arranged such that, when the pressure of fluid within the second subspace is greater than the pressure of fluid within the first subspace, the movable element moves towards the valve such that it can mechanically couple with the valve so as to open the valve.
    • 一种包括减震器和流体补给装置的飞机起落架,所述减振器具有包含液压流体的压缩室,所述流体补给装置包括用于向减震器的压缩室提供液压流体的换热器室,所述换热器室包括 :限定内部空间的密封容器,具有:以流体密封的方式连接到减震器的压缩室的第一端口; 第二端口,其布置成以流体密封的方式联接到辅助液压流体的加压源; 以及第三端口,其布置成以流体密封的方式联接到第二加压流体源; 活动元件,其可移动地安装在所述容器内并被布置成将所述内部空间分成第一和第二子空间,所述第一和第二端口与所述第一子空间流体连通,所述第三端口与所述第二子空间流体连通; 以及具有打开构造的阀,其中所述辅助液压流体可以进入所述第一子空间,并且闭合构造,其中所述第二端口以流体密封的方式被密封,其中所述流体补充装置被布置成使得当流体的压力 在第二子空间内的流体的压力大于第一子空间内的流体压力,可移动元件朝向阀移动,使得其可以与阀机械地联接以打开阀。