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1. 发明申请

WO2011043722A1 A HYDRAULIC PUMP ASSEMBLY 审中-公开
标题翻译：液压泵组件
公开(公告)号：WO2011043722A1
公开(公告)日：2011-04-14
申请号：PCT/SE2010/051070
申请日：2010-10-05
申请人： HALDEX TRACTION AB , NILSSON, Johan , HERVEN, Daniel , DAHLSTRÖM, Peter , SEVERINSSON, Lars
发明人： NILSSON, Johan , HERVEN, Daniel , DAHLSTRÖM, Peter , SEVERINSSON, Lars
IPC分类号： F04B49/22 , B60K17/34 , B60K23/08 , F04B1/30 , F16D48/06 , F16H61/47 , G05G15/06
CPC分类号： F04B1/2042 , B60K23/08 , F04B1/2035 , F04B1/30 , F04B49/08 , F04B49/103 , F16D43/284 , F16D48/02 , F16D2500/10431
摘要： A system for distributing torque between front and rear axles of an all wheel drive vehicle and/or between left and right wheels of a two or four wheel drive vehicle comprises at least one limited slip coupling (7) having a disc package (15) and a piston (13) acting thereon, the piston (13) being actuated by a hydraulic pump assembly. This assembly has an electric motor (16), a hydraulic pump (17) driven thereby, and a centrifugal regulator (19) also driven thereby, the centrifugal regulator (19) controlling a pressure overflow valve (20), connected to the oil outlet (23) of the hydraulic pump (17). The assembly specifically comprises an axial piston pump having a piston drum (30) rotatable in a pump housing (31) and containing a number of reciprocable axial pistons (35), at least one centrifugal lever (40) pivotally attached to the piston drum (30), and a valve member (44) connected to the centrifugal lever (40) and being arranged for cooperation with the mouth of an oil outlet bore (45) in the piston drum (30) to form the pressure overflow valve (20).
摘要翻译：用于在全轮驱动车辆的前轴和后轴之间和/或两轮或四轮驱动车辆的左右轮之间分配扭矩的系统包括至少一个具有盘包装（15）的有限滑动联接器（7）和活塞（13）作用在其上，活塞（13）由液压泵组件致动。该组件具有电动机（16），由此驱动的液压泵（17）和由其驱动的离心调节器（19），离心调节器（19）控制压力溢流阀（20），连接到油出口（23）。该组件具体包括轴向柱塞泵，该活塞泵具有可在泵壳体（31）中旋转并包含多个可往复运动的轴向活塞（35）的活塞滚筒（30），至少一个可枢转地连接到活塞滚筒上的离心杆（40） 30）连接的阀构件（44），并且与所述活塞筒（30）中的出油孔（45）的口部配合配置，形成所述压力溢流阀（20），。

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