Electrohydraulic torque transfer device
    1.
    发明授权
    Electrohydraulic torque transfer device 有权
    电液扭力传递装置

    公开(公告)号:US08083041B2

    公开(公告)日:2011-12-27

    申请号:US12119747

    申请日:2008-05-13

    IPC分类号: F16D67/04 F16D43/28

    摘要: A power transmission device includes an actuator having an electric motor driving a pump to supply pressurized fluid to a piston acting on a friction clutch to transfer torque between rotatable input and output members. In one instance, a valve between the pump outlet and the piston selectively traps pressurized fluid acting on the piston without continued energization of the electric motor. A gerotor may be formed from a material having a first coefficient of thermal expansion and a housing formed from a material having a second lower coefficient of thermal expansion to vary pump component clearances as the viscosity of the pumped fluid changes with changes in temperature. A method of controlling the power transmission device includes defining a correlation between pump speed, fluid temperature and fluid pressure, determining fluid temperature, determining pump speed, and rotating the pump to transfer a predetermined quantity of torque.

    摘要翻译: 动力传递装置包括具有电动机的致动器,该电动机驱动泵以将加压流体供应到作用在摩擦离合器上的活塞,以在可旋转的输入和输出构件之间传递扭矩。 在一种情况下,泵出口和活塞之间的阀选择性地捕获作用在活塞上的加压流体,而不会继续给电动机通电。 摆线齿轮可以由具有第一热膨胀系数的材料和由具有第二较低热膨胀系数的材料形成的壳体形成,以随着泵送流体的粘度随温度变化而改变泵组分间隙。 控制动力传递装置的方法包括定义泵速度,流体温度和流体压力之间的相关性,确定流体温度,确定泵速度,以及旋转泵以传递预定量的扭矩。

    Electrohydraulic torque transfer device and control system
    2.
    发明授权
    Electrohydraulic torque transfer device and control system 有权
    电液扭力传递装置及控制系统

    公开(公告)号:US07743899B2

    公开(公告)日:2010-06-29

    申请号:US11804404

    申请日:2007-05-17

    申请人: Russell T. Capito

    发明人: Russell T. Capito

    IPC分类号: F16D48/12 F16D48/06

    CPC分类号: B60K23/0808

    摘要: A power transmission device includes a rotatable input member, a rotatable output member, a friction clutch to selectively transfer torque between the input member and the output member, an actuator providing an actuating force to the friction clutch and a controller. The actuator includes an electric motor having an output shaft drivingly coupled to a gerotor. The gerotor is operable to supply pressurized fluid to a piston acting on the friction clutch. The controller controls the actuator in response to a four-wheel lock request to provide one of a minimum output torque and an output torque greater than a vehicle requested torque to operate the friction clutch in a locked mode.

    摘要翻译: 动力传递装置包括可旋转输入构件,可旋转输出构件,摩擦离合器,用于选择性地在输入构件和输出构件之间传递扭矩;致动器,其向摩擦离合器和控制器提供致动力。 致动器包括具有驱动地连接到齿轮齿轮的输出轴的电动机。 换向器可操作以将加压流体供应到作用在摩擦离合器上的活塞。 控制器响应于四轮锁定请求来控制致动器以提供最大输出扭矩和大于车辆要求转矩的输出扭矩之一,以在锁定模式下操作摩擦离合器。

    Torque transfer device with hydrostatic torque control system
    3.
    发明申请
    Torque transfer device with hydrostatic torque control system 有权
    带静液力矩转矩控制系统的转矩传递装置

    公开(公告)号:US20080287242A1

    公开(公告)日:2008-11-20

    申请号:US11804405

    申请日:2007-05-17

    IPC分类号: F16H48/20

    CPC分类号: F16D31/04 F16D2500/10431

    摘要: A power transmission device includes a rotatable input shaft, a rotatable output shaft and a ring gear fixed for rotation with the input shaft. A carrier is fixed for rotation with the output shaft. A pump assembly includes an inner rotor supported for rotation on the carrier and an outer rotor encompassing the inner rotor. The outer rotor is in driving meshed engagement with the ring gear. The pump provides pressurized fluid to one of first and second fluid ports. A flow restrictor is moveable to selectively restrict fluid flow relative to one of the first and second ports.

    摘要翻译: 动力传递装置包括可旋转输入轴,可旋转输出轴和固定成与输入轴一起旋转的齿圈。 载体固定成与输出轴一起旋转。 泵组件包括被支撑用于在载体上旋转的内转子和包围内转子的外转子。 外转子与环形齿轮啮合啮合。 泵将加压流体提供给第一和第二流体端口中的一个。 流量限制器可移动以选择性地限制相对于第一和第二端口中的一个的流体流动。

    Electronically-controlled hydraulically-actuated coupling
    4.
    发明授权
    Electronically-controlled hydraulically-actuated coupling 有权
    电子控制液压致动联轴器

    公开(公告)号:US07445106B2

    公开(公告)日:2008-11-04

    申请号:US11201468

    申请日:2005-08-11

    申请人: Russell T. Capito

    发明人: Russell T. Capito

    摘要: A power transmission device includes a friction clutch operable to selectively transfer torque between an input member and an output member. An actuator is operable to provide an actuating force to the friction clutch. The actuator includes an electric motor having an output shaft drivingly coupled to a gerotor. The gerotor is operable to provide pressurized fluid to a piston acting on the friction clutch.

    摘要翻译: 动力传递装置包括可操作以在输入构件和输出构件之间选择性地传递扭矩的摩擦离合器。 致动器可操作以向摩擦离合器提供致动力。 致动器包括具有驱动地连接到齿轮齿轮的输出轴的电动机。 换向器可操作以将加压流体提供给作用在摩擦离合器上的活塞。

    Electrohydraulic Torque Transfer Device and Temperature Control System
    5.
    发明申请
    Electrohydraulic Torque Transfer Device and Temperature Control System 有权
    电动力矩传递装置和温度控制系统

    公开(公告)号:US20080196962A1

    公开(公告)日:2008-08-21

    申请号:US12104478

    申请日:2008-04-17

    申请人: Russell T. Capito

    发明人: Russell T. Capito

    IPC分类号: B60K17/35

    摘要: A power transmission device includes a friction clutch operable to selectively transfer torque between an input member and an output member. An actuator is operable to provide an actuating force to the friction clutch. The actuator includes an electric motor having an output shaft drivingly coupled to a pump. The pump is operable to provide pressurized fluid to a piston acting on the friction clutch. A controller that is switched on and off in response to an ignition signal estimates the temperature of the friction clutch at the time of being switched on based on a time the controller has been off. A method of estimating a temperature of the friction clutch is also disclosed.

    摘要翻译: 动力传递装置包括可操作以在输入构件和输出构件之间选择性地传递扭矩的摩擦离合器。 致动器可操作以向摩擦离合器提供致动力。 致动器包括具有驱动地联接到泵的输出轴的电动机。 泵可操作以将加压流体提供给作用在摩擦离合器上的活塞。 响应于点火信号而接通和断开的控制器基于控制器已经断开的时间来估计在接通时摩擦离合器的温度。 还公开了一种估计摩擦离合器的温度的方法。

    Electronically-controlled hydraulically-actuated coupling
    6.
    发明授权
    Electronically-controlled hydraulically-actuated coupling 有权
    电子控制液压致动联轴器

    公开(公告)号:US08016093B2

    公开(公告)日:2011-09-13

    申请号:US12788461

    申请日:2010-05-27

    申请人: Russell T. Capito

    发明人: Russell T. Capito

    CPC分类号: B60K23/0808

    摘要: A power transmission device includes a rotatable input member, a rotatable output member, a clutch assembly to selectively transfer torque between the input member and the output member, and a controller for controlling the clutch assembly. The controller controls the clutch assembly based at least partly on a torque request.

    摘要翻译: 动力传递装置包括可旋转输入构件,可旋转输出构件,用于选择性地在输入构件和输出构件之间传递扭矩的离合器组件以及用于控制离合器组件的控制器。 控制器至少部分地基于扭矩请求来控制离合器组件。

    ELECTRONICALLY-CONTROLLED HYDRAULICALLY-ACTUATED COUPLING
    7.
    发明申请
    ELECTRONICALLY-CONTROLLED HYDRAULICALLY-ACTUATED COUPLING 有权
    电子控制液压驱动联轴器

    公开(公告)号:US20100243397A1

    公开(公告)日:2010-09-30

    申请号:US12788461

    申请日:2010-05-27

    申请人: Russell T. Capito

    发明人: Russell T. Capito

    IPC分类号: F16D48/06

    CPC分类号: B60K23/0808

    摘要: A power transmission device includes a rotatable input member, a rotatable output member, a clutch assembly to selectively transfer torque between the input member and the output member, and a controller for controlling the clutch assembly. The controller controls the clutch assembly based at least partly on a torque request.

    摘要翻译: 动力传递装置包括可旋转输入构件,可旋转输出构件,用于选择性地在输入构件和输出构件之间传递扭矩的离合器组件以及用于控制离合器组件的控制器。 控制器至少部分地基于扭矩请求来控制离合器组件。

    Torque Transfer Device With Hydrostatic Torque Control System
    8.
    发明申请
    Torque Transfer Device With Hydrostatic Torque Control System 有权
    带静液力矩转矩控制系统的转矩传递装置

    公开(公告)号:US20100120570A1

    公开(公告)日:2010-05-13

    申请号:US12690142

    申请日:2010-01-20

    IPC分类号: F16H47/04

    CPC分类号: F16D31/04 F16D2500/10431

    摘要: A power transmission device includes a rotatable input shaft, a rotatable output shaft and a ring gear fixed for rotation with the input shaft. A carrier is fixed for rotation with the output shaft. A pump assembly includes an inner rotor supported for rotation on the carrier and an outer rotor encompassing the inner rotor. The outer rotor is in driving meshed engagement with the ring gear. The pump provides pressurized fluid to one of first and second fluid ports. A flow restrictor is moveable to selectively restrict fluid flow relative to one of the first and second ports.

    摘要翻译: 动力传递装置包括可旋转输入轴,可旋转输出轴和固定成与输入轴一起旋转的齿圈。 载体固定成与输出轴一起旋转。 泵组件包括被支撑用于在载体上旋转的内转子和包围内转子的外转子。 外转子与环形齿轮啮合啮合。 泵将加压流体提供给第一和第二流体端口中的一个。 流量限制器可移动以选择性地限制相对于第一和第二端口中的一个的流体流动。

    Positive clutch with staggered teeth height
    10.
    发明授权
    Positive clutch with staggered teeth height 有权
    正离合器具有交错的牙齿高度

    公开(公告)号:US07445575B2

    公开(公告)日:2008-11-04

    申请号:US11602727

    申请日:2006-11-21

    申请人: Russell T Capito

    发明人: Russell T Capito

    IPC分类号: F16H37/08

    CPC分类号: F16D11/04 F16D2011/008

    摘要: A drive train having an axle assembly with a differential and a multi-speed transmission outputs rotary power to an input pinion of the differential. The multi-speed transmission includes a positive or dog clutch with teeth having staggered heights. The staggered tooth height configuration provides a larger effective engagement area with less tooth lash.

    摘要翻译: 具有带有差速器和多速变速器的轴组件的传动系将旋转动力输出到差速器的输入齿轮。 多速变速器包括具有交错高度的齿的正齿或离合器离合器。 交错的牙齿高度配置提供更大的有效接合面积,齿龈较少。