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    • 8. 发明公开
    • HYDRAULIC SHIMMY DAMPER FOR AIRCRAFT LANDING GEAR
    • 液压飘飘SHOCKS FOR飞机起落架
    • EP2598772A1
    • 2013-06-05
    • EP11811707.6
    • 2011-07-28
    • Messier-Dowty, Inc.
    • BESLIU, Marin
    • F16F9/342B64C25/58F16F9/18F16F9/44
    • B64C25/505F16F9/065F16F9/325F16F13/007
    • The invention relates to an hydraulic shimmy damper including: - a hollow body (10) having an inner cylindrical surface and two end walls (13,14) defining an inner functional volume; - a piston (20) having a piston head (21) sealingly engaging said inner cylindrical surface so as to define two hydraulic active chambers (C1,C2) within the functional volume, said piston having a rod (22) projecting from said piston head which sealingly traverses one of said end walls; - biasing means (16,17,18,19) to bias said piston relative to said body towards a rest position so as to allow for fore and aft motion of the piston around said rest position under action of external forces; - an hydraulic compensator (40) having a internal fluid volume that is significantly more important that a fluid volume expelled from the body when the piston moves fore and aft; - an hydraulic manifold (30) arranged between said body and said hydraulic compensator and defining a transfer channel between said chambers that is connected to said hydraulic compensator, said manifold further receiving interchangeable hydraulic cartridge-type valves (CV1, RV1; CV2, RV2 ) for metering the fluid flowing from said chambers to said transfer channel, and allowing the fluid to freely enter said chambers from said transfer channel.
    • 9. 发明公开
    • DAMPER DEVICE
    • 阻尼装置
    • EP2481947A1
    • 2012-08-01
    • EP10818683.4
    • 2010-09-07
    • Nifco Inc.
    • KOIZUMI, KazuyoshiHARADA, Akinori
    • F16F9/34F16F9/32F16F9/342F16F9/50
    • F16F9/342F16F9/0218
    • A damper device includes a cylinder body and a piston body, and at least one of the cylinder body and the piston body is adapted to attach to an object to be damped for damping a movement or a relative movement of the object to be damped. A communication hole which communicates inside and outside of the cylinder body is formed in an inner back portion of the cylinder body. Also, a valve body is provided for reducing a flow volume of a fluid passing through the communication hole by moving from a standard position while elastically deforming at least one portion due to a pressure change caused by the movement or the relative movement of the piston body.
    • 一种阻尼装置,包括气缸体和活塞体,并且气缸体和活塞体中的至少一个适于连接到待阻尼物体,以阻尼待阻尼物体的运动或相对运动。 在缸体的内后部形成有连通缸体内部和外部的连通孔。 而且,设置有阀体,该阀体用于通过从标准位置移动而减小通过连通孔的流体的流量,同时由于活塞体的移动或相对移动引起的压力变化而使至少一部分弹性变形 。