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    POWERTRAIN FOR A VEHICLE AND A METHOD OF ASSEMBLING THE POWERTRAIN
    12.
    发明申请
    POWERTRAIN FOR A VEHICLE AND A METHOD OF ASSEMBLING THE POWERTRAIN 有权
    动力系统的动力系统和组装动力系统的方法

    公开(公告)号：US20150258883A1

    公开(公告)日：2015-09-17

    申请号：US14208469

    申请日：2014-03-13

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Alan G. Holmes ,  Alexandru Rajala ,  Chandra S. Namuduri ,  Venkata Prasad Atluri

    IPC分类号： B60K6/40 ,  B60K6/485

    CPC分类号： B60K6/22 ,  B60K6/40 ,  B60K6/485 ,  B60Y2200/92 ,  B60Y2300/192 ,  B60Y2400/70 ,  Y02T10/6226 ,  Y10S903/904 ,  Y10S903/909 ,  Y10T29/49233

    摘要： A powertrain for a vehicle and a method of assembling the powertrain are disclosed. An engine includes a crankshaft being rotatable about a longitudinal axis. A ring gear is attached to a first distal end of the crankshaft such that the ring gear and the crankshaft are rotatable in unison about the longitudinal axis. A starter mechanism is selectively operable to rotate the ring gear and the crankshaft to start the engine. A motor-generator includes an adapter selectively cooperating with the starter mechanism to dispose the motor-generator and the starter mechanism in alternative assembly configurations being a first assembly configuration and a second assembly configuration. The first assembly configuration is when the starter mechanism is coupleable to the adapter and the second assembly configuration is when the starter mechanism is spaced from the adapter to operate independently of the motor-generator.

    摘要翻译： 公开了一种用于车辆的动力系和组合动力系的方法。 发动机包括可围绕纵向轴线旋转的曲轴。 环形齿轮附接到曲轴的第一远端，使得环形齿轮和曲轴可围绕纵向轴线一致地旋转。 起动机构可选择性地操作以使所述齿圈和所述曲轴旋转以起动所述发动机。 电动发电机包括选择性地与起动机构配合的适配器，以将电动发电机和起动机构配置为替代组装构型，其为第一组合构型和第二组合构型。 第一组装配置是当启动器机构可耦合到适配器时，并且第二组件配置是当起动机构与适配器间隔开以独立于电动发电机运行时。

    POWERTRAIN FOR A VEHICLE
    13.
    发明申请
    POWERTRAIN FOR A VEHICLE 有权
    动力传动系车

    公开(公告)号：US20150258882A1

    公开(公告)日：2015-09-17

    申请号：US14208461

    申请日：2014-03-13

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Alan G. Holmes ,  Michael G. Reynolds ,  Alexandru Rajala ,  Chandra S. Namuduri

    IPC分类号： B60K6/40 ,  B60K6/485

    CPC分类号： B60K6/485 ,  Y02T10/6226 ,  Y10S903/909

    摘要： A powertrain is disclosed. A ring gear is attached to a first distal end of a crankshaft such that the ring gear and the crankshaft are rotatable in unison about a longitudinal axis. A motor-generator includes a motor/generator shaft rotatable about a first axis spaced from the longitudinal axis. A starter mechanism includes a first starter gear coupleable to the motor/generator shaft and rotatable about a second axis spaced from the longitudinal axis. The first and second axes are spaced and substantially parallel to each other. The first starter gear is movable along the second axis between a first position engaging the ring gear such that torque is transferred from the motor/generator shaft through the first starter gear and the ring gear to the crankshaft to start the engine, and a second position disengaged from the ring gear to rotatably disconnect the starter mechanism from the ring gear.

    摘要翻译： 公开了动力总成。 环形齿轮连接到曲轴的第一远端，使得环形齿轮和曲轴可围绕纵向轴线一致地旋转。 电动发电机包括可围绕与纵向轴线间隔开的第一轴线旋转的电动机/发电机轴。 启动器机构包括可耦合到马达/发电机轴并可围绕与纵向轴线间隔开的第二轴线旋转的第一起动机齿轮。 第一和第二轴线彼此间隔开并且基本平行。 第一启动齿轮可沿第二轴线在与环形齿轮啮合的第一位置之间移动，使得扭矩从马达/发电机轴通过第一起动器齿轮和齿圈传递到曲轴以起动发动机，第二位置 与环形齿轮脱离，以将起动机构与环形齿轮旋转断开。

    Starter for an internal combustion engine
    14.
    发明授权
    Starter for an internal combustion engine 有权

    公开(公告)号：US11015564B2

    公开(公告)日：2021-05-25

    申请号：US15961137

    申请日：2018-04-24

    申请人： GM Global Technology Operations LLC

    发明人： Chandra S. Namuduri ,  Lei Hao ,  Alexandru Rajala ,  Thomas W. Nehl

    IPC分类号： F02N11/08 ,  H02K11/33 ,  H02K11/21

    摘要： A starter assembly includes a multi-phase brushless electric motor including a stator, a rotor disposed on a rotatable shaft, and a motor endcap disposed at a first end of the stator. An electronic commutator assembly includes a sensing circuit, a control electronics subassembly, a power electronics subassembly and a heat sink. The sensing circuit is disposed adjacent to the second end of the rotatable shaft. The control electronics subassembly, the power electronics subassembly and the heat sink are disposed on disk-shaped devices arranged in a stacked configuration orthogonal to the axis defined by the rotatable shaft. The control electronics subassembly is disposed adjacent to the sensing circuit, and the power electronics subassembly is disposed adjacent to the control electronics subassembly. The control electronics subassembly is interposed between the power electronics subassembly and the sensing circuit. The heat sink is disposed adjacent to the power electronics subassembly.

    On-axis brushless starter assembly
    15.
    发明授权
    On-axis brushless starter assembly 有权

    公开(公告)号：US10886817B2

    公开(公告)日：2021-01-05

    申请号：US15961216

    申请日：2018-04-24

    申请人： GM Global Technology Operations LLC

    发明人： Chandra S. Namuduri ,  Lei Hao ,  Alexandru Rajala ,  Thomas W. Nehl

    IPC分类号： H02K5/15 ,  H02K5/22 ,  H02K7/08 ,  H02K7/116 ,  H02K11/21 ,  H02K11/33

    摘要： A starter assembly includes a partial planetary gear set connected to a pinion gear slidable along a first axis. The starter also includes a motor casing housing a brushless electric motor and having a first bearing. The motor includes multi-phase stator and rotor assemblies arranged inside the casing concentrically relative to the first axis. The rotor assembly has a rotor with a shaft supported by the first bearing and connected to a sun gear engaging the gear set, and a rotor position and speed sensor target. The starter additionally includes a motor end-cap for mating with and enclosing the motor casing and having a second bearing supporting the shaft. The starter also includes an electronics cover with a power connector for mating with the end-cap and housing an electronic commutator assembly. The commutator assembly includes power electronics, and control processor electronics arranged between the end-cap and the power electronics.

    BRUSHLESS STARTER ROTOR ASSEMBLY
    16.
    发明申请
    BRUSHLESS STARTER ROTOR ASSEMBLY 审中-公开

    公开(公告)号：US20190326790A1

    公开(公告)日：2019-10-24

    申请号：US15961176

    申请日：2018-04-24

    申请人： GM Global Technology Operations LLC

    发明人： Lei Hao ,  Chandra S. Namuduri ,  Alexandru Rajala ,  Thomas W. Nehl ,  Suresh Gopalakrishnan ,  Avoki M. Omekanda

    IPC分类号： H02K1/30 ,  F02N11/08 ,  F16H1/28 ,  H02K5/15 ,  H02K7/08 ,  H02K7/116 ,  H02K11/21 ,  H02K15/16

    摘要： A brushless electric motor includes a motor casing having a first bearing, a motor end-cap including a second bearing, a multi-phase stator assembly, and a rotor assembly having a rotor shaft. The shaft has a first end, a second end, and a knurled section therebetween. The shaft also has a first bearing surface proximate the first end and supported by the first bearing, a second bearing surface proximate the second end and supported by the second bearing, and a rotor position and speed sensor target. The shaft additionally has a sun gear integrated with the shaft proximate the first bearing surface for engaging a partial planetary gear set. The rotor assembly also includes a rotor lamination fixed to the shaft at the knurled section and having opposing first and second sides, and first and second end plates arranged on the respective first and second sides of the rotor lamination.

    Split pole spoke type PM machine with enclosed magnets
    18.
    发明授权
    Split pole spoke type PM machine with enclosed magnets 有权

    公开(公告)号：US09735634B2

    公开(公告)日：2017-08-15

    申请号：US14337864

    申请日：2014-07-22

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Lei Hao ,  Thomas W. Nehl ,  Chandra S. Namuduri ,  Michael G. Reynolds ,  Alexandru Rajala

    IPC分类号： H02K1/27

    CPC分类号： H02K1/2766 ,  H02K1/276

    摘要： A rotor for a permanent magnet synchronous machine that includes a rotor core structure. A first set of permanent magnets forms poles within the rotor core structure. Each pole includes a pair of permanent magnets from the first set of permanent magnets. A first set of apertures is formed in a first radial layer of the rotor core structure. Each pole includes a pair of apertures from the first set of apertures. The first set of permanent magnets is inserted within the first set of apertures. Each pair of permanent magnets within a pole cooperatively generates a magnetic field in a same direction within the pole. The magnetic field generated by a respective pair of magnets in a respective pole is opposite to a magnetic field generated by a pair of permanent magnets in an adjacent pole.

    HYBRID POWERTRAIN WITH MECHATRONIC ACTUATOR ASSEMBLY AND METHOD OF CONTROLLING THE SAME
    19.
    发明申请
    HYBRID POWERTRAIN WITH MECHATRONIC ACTUATOR ASSEMBLY AND METHOD OF CONTROLLING THE SAME 有权
    具有机械致动器组件的混合动力传动系统及其控制方法

    公开(公告)号：US20160185335A1

    公开(公告)日：2016-06-30

    申请号：US14585658

    申请日：2014-12-30

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Chandra S. Namuduri ,  Alexandru Rajala ,  Alan G. Holmes ,  Thomas Wolfgang Nehl ,  Venkata Prasad Atluri ,  Madhusudan Raghavan

    IPC分类号： B60W20/00 ,  F16H19/02 ,  B60W10/08 ,  B60K6/44 ,  B60W10/02 ,  B60K6/36 ,  B60K6/387 ,  F16H7/08 ,  B60W10/11

    CPC分类号： B60W20/10 ,  B60K6/36 ,  B60K6/387 ,  B60K6/44 ,  B60K6/485 ,  B60K2006/268 ,  B60K2006/4841 ,  B60W10/02 ,  B60W10/08 ,  B60W10/11 ,  B60W20/30 ,  F16H7/0827 ,  F16H19/02 ,  Y02T10/6226 ,  Y10S903/93

    摘要： A powertrain includes an engine with a crankshaft rotating on a first axis, motor/generator unit (MGU), belted drive system, transmission, actuator assembly, and controller. An MGU rotor shaft rotates about a second axis. The belted drive assembly has a first pulley connected to the crankshaft, a second pulley selectively connected to the rotor shaft, and an endless rotatable drive element that connects the pulleys. The transmission is connected to the flywheel via an input clutch. The actuator assembly has a third axis parallel to the first and second axes, a linear actuator(s), pinion gears translatable along the third axis to selectively engage the first and second gear elements, and overrunning clutches to passively disengage the pinion gears from the first or second gear element. The controller transmits control signals to the MGU and linear actuators to command a control state via translation of the pinion gears.

    摘要翻译： 动力总成包括具有在第一轴线上旋转的曲轴的发动机，马达/发电机单元（MGU），带式驱动系统，变速器，致动器组件和控制器。 MGU转子轴绕第二轴线旋转。 带式驱动组件具有连接到曲轴的第一滑轮，选择性地连接到转子轴的第二滑轮和连接滑轮的环形旋转驱动元件。 变速器通过输入离合器连接到飞轮。 致动器组件具有平行于第一和第二轴线的第三轴线，线性致动器，可沿着第三轴线平移的小齿轮，以选择性地接合第一和第二齿轮元件，以及超越离合器以将小齿轮从 第一或第二齿轮元件。 控制器向MGU和线性致动器发送控制信号，通过小齿轮的平移来控制控制状态。

    POWERTRAIN FOR A VEHICLE AND AN ELECTROMECHANICAL APPARATUS COUPLEABLE TO AN ENGINE
    20.
    发明申请
    POWERTRAIN FOR A VEHICLE AND AN ELECTROMECHANICAL APPARATUS COUPLEABLE TO AN ENGINE 有权
    用于车辆的动力传动系和与发动机可耦合的电动装置

    公开(公告)号：US20150260145A1

    公开(公告)日：2015-09-17

    申请号：US14208434

    申请日：2014-03-13

    申请人： GM GLOBAL TECHNOLOGY OPERATIONS LLC

    发明人： Alan G. Holmes ,  Michael G. Reynolds ,  Alexandru Rajala ,  Chandra S. Namuduri ,  Venkata Prasad Atluri

    IPC分类号： F02N15/06 ,  F02N15/08 ,  F02N11/00 ,  F02N11/04

    CPC分类号： F02N15/06 ,  B60K6/20 ,  B60K6/485 ,  F02N11/04 ,  F02N15/043 ,  F02N15/067 ,  F02N15/08 ,  F16H7/02 ,  Y02T10/6226 ,  Y10T74/138

    摘要： A powertrain and an electromechanical apparatus are disclosed. A ring gear is attached to a first distal end of a crankshaft such that the ring gear and the crankshaft are rotatable in unison about a longitudinal axis. A motor-generator includes a motor/generator shaft being rotatable about a first axis spaced from the longitudinal axis. A starter mechanism includes a first starter gear coupleable to the motor/generator shaft and rotatable about a second axis spaced from the longitudinal axis. The first starter gear is movable along the second axis between a first position engaging the ring gear such that torque is transferred from the motor/generator shaft through the first starter gear and the ring gear to the crankshaft to start the engine, and a second position disengaged from the ring gear to rotatably disconnect the starter mechanism from the ring gear.

    摘要翻译： 公开了一种动力总成和机电装置。 环形齿轮连接到曲轴的第一远端，使得环形齿轮和曲轴可围绕纵向轴线一致地旋转。 电动发电机包括可围绕与纵向轴线间隔开的第一轴线旋转的电动机/发电机轴。 启动器机构包括可耦合到马达/发电机轴并可围绕与纵向轴线间隔开的第二轴线旋转的第一起动机齿轮。 第一启动齿轮可沿第二轴线在与环形齿轮啮合的第一位置之间移动，使得扭矩从马达/发电机轴通过第一起动器齿轮和齿圈传递到曲轴以起动发动机，第二位置 与环形齿轮脱离，以将起动机构与环形齿轮旋转断开。