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    • 1. 发明申请
    • SLAVE CYLINDER
    • NEHMERZYLINDER
    • WO2011113406A3
    • 2011-12-08
    • PCT/DE2011000139
    • 2011-02-15
    • SCHAEFFLER TECHNOLOGIES GMBHRAMMHOFER THOMASALTMEPPEN BERTHOLD
    • RAMMHOFER THOMASALTMEPPEN BERTHOLD
    • F16D25/08
    • F16D25/083F16J15/3216
    • For a slave cylinder for a hydraulic disengaging system of a friction clutch of vehicles, wherein the slave cylinder has a slave cylinder housing which is arranged concentrically with a transmission input shaft, wherein a guide sleeve is arranged in a longitudinal bore of the slave cylinder housing at a radial distance in order to form a pressure chamber having the shape of a circular ring and wherein an annular piston is guided in the pressure chamber in an axially movable manner, which annular piston is provided with a seal on the pressure chamber side, failures or functional impairments due to swelling seals are reduced in that a limiting means that limits the swelling of the seal in the axial direction is arranged on the pressure chamber side of the seal. Furthermore, the seal support (30) is made of plastic, the surface of which is provided with a metal coating.
    • 当用于车辆的摩擦离合器的液压分离系统中的从动液压缸,具有从动缸壳体从动缸与变速器输入轴,其特征在于,在从动液压缸壳体的纵向孔中的导套径向间隔的环形活塞被布置成形成一个环形压力室与压力室轴向同心地布置 可移动地引导,所述压力室侧设置有密封故障或失灵可通过溶胀密封件被减小,由限制装置被设置在密封,这限制了密封的膨胀在轴向方向上的压力室侧。 还建议的是,密封承座(30)由塑料制成,它的表面上设置有金属Beschictung。
    • 4. 发明申请
    • HYDRAULIC SYSTEM
    • 液压系统
    • WO03095280A2
    • 2003-11-20
    • PCT/DE0301514
    • 2003-05-13
    • LUK LAMELLEN & KUPPLUNGSBAURAMMHOFER THOMASBLEY ROLANDGRABENSTAETTER JAN
    • RAMMHOFER THOMASBLEY ROLANDGRABENSTAETTER JAN
    • B60T11/236F16D25/08F16D25/12F16J15/16F16J15/32
    • F16D25/088B60T11/236
    • The invention relates to a hydraulic system, especially for motor vehicles, comprising a master cylinder provided with a housing and a piston arranged therein in an axially displaceable manner, defining a pressure chamber which is filled with a hydraulic liquid. When the master cylinder is actuated by means of a piston rod acting on the piston, the piston is displaced axially and as a result, the hydraulic fluid is impinged upon by pressure and at least one sealing means arranged between the housing and the piston. Said hydraulic system also comprises a slave cylinder and a pressure medium line which is connected thereto. The invention solves the problem of providing a hydraulic system comprising a master cylinder wherein sniffling, i.e. pressure compensation between the pressure chamber and the after-running system and ventilating system is possible in all working states. According to the invention, the sealing means is provided, on the side opposite the piston, with at least one groove extending essentially in an axial direction.
    • 本发明涉及一种液压系统,尤其是用于机动车辆,包括:具有壳体,轴向移动地设置在所述活塞,其被限定填充有液压流体压力腔室的空间,并且通过作用在活塞杆上的力的装置和沿轴向移动时,主缸的致动的主缸 其特征在于所述液压流体被加压和至少一个设置在壳体和活塞之间的密封装置,还包括一从动缸和压力介质线连接它们。 问题是提供一种具有主缸,其在所有操作条件下安全的嗅探,即液压系统 根据本发明通过密封解决了压力室和轨道和通风系统之间从而允许压力平衡装置在面向活塞侧的侧面具有至少一个基本上沿轴向延伸的槽。