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    • 127. 发明公开
    • KOLBENBAUGRUPPE FÜR EINE DRUCKERZEUGUNGSVORRICHTUNG EINES BREMSSYSTEMS EINES KRAFTFAHRZEUGES
    • KOLBENBAUGRUPPEFÜREINE DRUCKERZEUGUNGSVORRICHTUNG EINES BREMSSYSTEMS EINES KRAFTFAHRZEUGES
    • EP3230588A1
    • 2017-10-18
    • EP15784018.2
    • 2015-10-19
    • Robert Bosch GmbH
    • WEH, AndreasTANDLER, JuergenMAYR, Matthias
    • F04B9/02F04B17/03F16J1/10
    • B60T17/02B60T13/168F04B9/02F04B17/03
    • The invention relates to a piston assembly (5) for a pressure-producing device (12) of a brake system (1) of a motor vehicle, comprising a piston (10), which can be at least partially inserted into an opening (14) formed in a hydraulic unit (20) of the brake system (1) and can be moved axially, and comprising a ball screw drive (16) for axially moving the piston (10). The piston (10) is connected to the axially movable spindle (17) of the ball screw drive (16) in such a way that the piston moves along with the axially movable spindle (17) of the ball screw drive (16), wherein the piston (10) surrounds at least a first partial region (T1) of the nut (23) in a first, retracted position (P1) of the piston (10) and the piston (10) surrounds at most a second partial region (T2) of the nut (23) in a second, extended position (P2) of the piston (10), and wherein the first partial region (T1) is greater than the second partial region (T2). The invention further relates to a corresponding pressure-producing device, to a hydraulic unit, to a brake system, and to a method for mounting the piston for the pressure-producing device.
    • 本发明涉及一种用于机动车辆的制动系统(1)的压力产生装置(12)的活塞组件(5),其包括活塞(10),所述活塞(10)可至少部分地插入到开口 )形成在制动系统(1)的液压单元(20)中并且可以轴向移动,并且包括用于轴向移动活塞(10)的滚珠丝杠传动装置(16)。 活塞(10)以这样的方式连接到滚珠丝杠传动装置(16)的可轴向移动的心轴(17)上,使得活塞与滚珠丝杠传动装置(16)的可轴向移动的心轴(17)一起移动,其中 在活塞(10)的第一缩回位置(P1)中,活塞(10)围绕螺母(23)的至少第一部分区域(T1),并且活塞(10)至多包围第二部分区域 T2)处于所述活塞(10)的第二伸出位置(P2)中,并且其中所述第一部分区域(T1)大于所述第二部分区域(T2)。 本发明还涉及相应的压力产生装置,液压单元,制动系统以及用于安装用于压力产生装置的活塞的方法。