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1. 发明授权

US07077779B2 Solenoid actuated variable pressure relief valve assembly for torque transfer assembly 失效
标题翻译：用于扭矩传递组件的电磁致动可变泄压阀组件
公开(公告)号：US07077779B2
公开(公告)日：2006-07-18
申请号：US10687710
申请日：2003-10-20
申请人： Jun Yoshioka , John A. Grogg , Jeremy J. Wudy , Martin Kaplan
发明人： Jun Yoshioka , John A. Grogg , Jeremy J. Wudy , Martin Kaplan
IPC分类号： F16H48/30 , F16H47/08 , F16H48/06 , F16H48/20 , F16H48/22
CPC分类号： F16H48/34 , B60K17/20 , F16D43/284 , F16H48/08 , F16H48/22 , F16H48/30 , F16H48/32 , F16H2048/204 , F16H2048/346 , F16H2200/2071
摘要： A torque transfer assembly for a motor vehicle comprises a ring gear subassembly and a differential subassembly rotatably supported in said ring gear subassembly, a friction clutch pack for coupling the ring gear subassembly to the differential subassembly, and a hydraulic clutch actuator for selectively frictionally loading the clutch pack. The hydraulic clutch actuator includes a variable pressure relief valve assembly to selectively control the friction clutch pack. The variable pressure relief valve assembly includes a valve closure member, a valve seat complementary to the valve closure member, and a electro-magnetic actuator for engaging the valve closure member and urging thereof against the valve seat with an axial force determined by a magnitude of an electric current supplied to the electro-magnetic actuator so as to selectively vary a release pressure of the pressure relief valve assembly based on the magnitude of the electric current.
摘要翻译：一种用于机动车辆的转矩传递组件包括一个可旋转地支撑在所述齿圈子组件中的齿圈子组件和差速子组件，用于将所述齿圈子组件连接到所述差速子组件的摩擦离合器组件，以及用于选择性地摩擦离合器组合液压离合器致动器包括可选的减压阀组件，用于选择性地控制摩擦离合器组件。可变减压阀组件包括阀关闭构件，与阀关闭构件互补的阀座，以及电磁致动器，用于接合阀闭合构件并将其推压抵靠阀座，轴向力由提供给电磁致动器的电流，以便基于电流的大小选择性地改变泄压阀组件的释放压力。

2. 发明授权

US06692396B1 Solenoid actuated variable pressure relief valve assembly for limited slip differential assembly 失效
标题翻译：用于限滑差速器组件的电磁致动可变泄压阀组件
公开(公告)号：US06692396B1
公开(公告)日：2004-02-17
申请号：US10083138
申请日：2002-02-27
申请人： John A. Grogg , Jeremy J. Wudy , Jun Yoshioka , Martin Kaplan
发明人： John A. Grogg , Jeremy J. Wudy , Jun Yoshioka , Martin Kaplan
IPC分类号： F16H4820
CPC分类号： F16H48/22 , B60K17/20 , F16H48/08 , F16H48/30 , F16H48/32 , F16H48/34 , F16H2048/204 , F16H2048/346 , F16H2200/2071 , Y10T137/7927 , Y10T137/7928
摘要： A differential assembly for a motor vehicle comprises a differential case rotatably supported in an axle housing, opposite output shafts drivingly connected to the differential case, a friction clutch pack for controlling the differential action, and a hydraulic clutch actuator for selectively fictionally loading the clutch pack. The hydraulic clutch actuator includes a variable pressure relief valve assembly to selectively control the friction clutch pack. The variable pressure relief valve assembly includes a valve closure member, a valve seat complementary to the valve closure member, and an electro-magnetic actuator for engaging the valve closure member and urging thereof against the valve seat with an axial force determined by a magnitude of an electric current supplied to the electro-magnetic actuator so as to selectively vary a release pressure of the pressure relief valve assembly based on the magnitude of the electric current.
摘要翻译：用于机动车辆的差动组件包括可旋转地支撑在轴壳体中的差速器壳体，驱动地连接到差速器壳体的相对的输出轴，用于控制差动作用的摩擦离合器组件，以及用于选择性地虚拟地装载离合器组件的液压离合器致动器。液压离合器致动器包括可选的减压阀组件，用于选择性地控制摩擦离合器组件。可变减压阀组件包括阀关闭构件，与阀关闭构件互补的阀座，以及电磁致动器，用于接合阀关闭构件并将其推向阀座，轴向力由提供给电磁致动器的电流，以便基于电流的大小选择性地改变泄压阀组件的释放压力。

3. 发明授权

US06607062B1 Piston assembly for hydraulically actuated friction coupling 失效
标题翻译：用于液压致动摩擦联接的活塞组件
公开(公告)号：US06607062B1
公开(公告)日：2003-08-19
申请号：US10076437
申请日：2002-02-19
申请人： Gregory L. Heatwole , Kevin J. Knight , Jeremy J. Wudy
发明人： Gregory L. Heatwole , Kevin J. Knight , Jeremy J. Wudy
IPC分类号： F16D2502
CPC分类号： F16D25/0638 , F16D25/14 , F16D48/02 , F16D2048/0212
摘要： A hydraulically actuated friction coupling comprises a hollow case, an output shaft drivingly connected to the case, a friction clutch pack for selectively engaging and disengaging the case and the output shaft, and a hydraulic clutch actuator. The hydraulic actuator includes a hydraulic pump for generating a hydraulic pressure to frictionally load the clutch pack, and a piston assembly disposed within the case between the pump and the clutch pack. The piston assembly includes an annular pressure plate adjacent to the pump, an annular thrust plate axially spaced from the pressure plate and adjacent to the clutch pack, and a pair of concentric radially spaced resilient annular seal members bonded to the pressure and thrust plates so as to define an annular cavity within the piston assembly. The annular cavity in the piston assembly is in fluid communication with an output port of the hydraulic pump.
摘要翻译：液压致动的摩擦联接器包括中空壳体，驱动地连接到壳体的输出轴，用于选择性地接合和分离壳体和输出轴的摩擦离合器组件以及液压离合器致动器。液压致动器包括用于产生液压以摩擦地装载离合器组件的液压泵，以及设置在泵和离合器组件之间的壳体内的活塞组件。活塞组件包括邻近泵的环形压力板，与压力板轴向间隔并邻近离合器组件的环形推力板，以及一对同心径向间隔的弹性环形密封件，其结合到压力和止推板上，以便以在活塞组件内限定环形空腔。活塞组件中的环形空腔与液压泵的输出端口流体连通。

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