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    ELECTRIC MACHINES HAVING CORES WITH DISTRIBUTED POLES
    81.
    发明申请
    ELECTRIC MACHINES HAVING CORES WITH DISTRIBUTED POLES 审中-公开

    公开(公告)号：US20200313472A1

    公开(公告)日：2020-10-01

    申请号：US16363601

    申请日：2019-03-25

    Applicant: Hamilton Sundstrand Corporation

    Inventor： Joseph Kenneth Coldwate ,  Andreas C. Koenig

    IPC: H02K1/14 ,  H02K3/18 ,  H02K3/46 ,  H02K15/06

    Abstract: A core for an electric machine includes a core body arranged along a rotation axis and a winding. The core body has two or more teeth including a first tooth and a second tooth that are circumferentially spaced from one another about the rotation axis. The winding is to the core body and includes two or more coils connected electrically in series with one another. A first of the coils is seated circumferentially about both the first tooth and the second tooth to define a distributed pole circumferentially spanning both the first tooth and the second tooth. Electric machines and methods of making cores for electric machines are also described.

    WEDGES WITH Q-AXIS DAMPER CIRCUITS
    85.
    发明申请
    WEDGES WITH Q-AXIS DAMPER CIRCUITS 审中-公开

    公开(公告)号：US20180278112A1

    公开(公告)日：2018-09-27

    申请号：US15470525

    申请日：2017-03-27

    Applicant: Hamilton Sundstrand Corporation

    Inventor： Dhaval Patel ,  Andreas C. Koenig

    IPC: H02K3/52 ,  H02K3/487 ,  H02K3/50 ,  H02K3/12 ,  H02K1/26 ,  H02K55/04

    Abstract: A rotor for an electrical machine includes a rotor core having a plurality of circumferentially spaced apart rotor poles. Windings are seated in gaps between circumferentially adjacent pairs of the rotor poles. A wedge secures the windings in each gap. The wedge includes a first member made of a first material and at least one second member made of a second material. The second material has a higher electrical conductivity than the first material. The wedge is configured to supply Q-axis damping. A pair of end plates is connected electrically to the at least one second member at opposing longitudinal ends thereof thereby completing a Q-axis winding circuit for each wedge.

    CONTROLLING AIRCRAFT VFG OVER VOLTAGE UNDER FAULT OR LOAD-SHED
    86.
    发明申请
    CONTROLLING AIRCRAFT VFG OVER VOLTAGE UNDER FAULT OR LOAD-SHED 审中-公开

    公开(公告)号：US20180183371A1

    公开(公告)日：2018-06-28

    申请号：US15387923

    申请日：2016-12-22

    Applicant: HAMILTON SUNDSTRAND CORPORATION

    Inventor： Huazhen Chai ,  Andreas C. Koenig

    IPC: H02P9/10

    CPC classification number: H02P9/10 ,  H02P9/006

    Abstract: Embodiments include a technique for controlling aircraft VFG over voltage under fault or load-shed, the techniques includes using a control unit for generating signals to maintain a terminal output voltage and frequency, and a variable frequency generator, coupled to the control unit, for generating the terminal output voltage. The variable frequency generator includes a stator having a set of primary stator windings and a set of secondary stator windings for generating the terminal output voltage, and a switch coupled to the set of secondary stator windings, the switch is configured to operate at a threshold frequency of the VFG to regulate the terminal output voltage by supplementing the terminal output voltage produced by the set of primary stator windings reducing the VFG fault over-voltage.

    Variable gap electrical machines
    88.
    发明授权
    Variable gap electrical machines 有权

    公开(公告)号：US09825510B2

    公开(公告)日：2017-11-21

    申请号：US15097645

    申请日：2016-04-13

    Applicant: Hamilton Sundstrand Corporation

    Inventor： Joseph K. Coldwate ,  Andreas C. Koenig

    IPC: H02K1/22 ,  H02K11/20 ,  H02K1/12 ,  H02K7/20 ,  H02K21/02

    CPC classification number: H02K11/20 ,  H02K1/12 ,  H02K1/22 ,  H02K7/20 ,  H02K21/027 ,  H02K21/12

    Abstract: An electrical machine system includes a stator having a conical stator surface defining a rotary axis. A rotor is operatively connected to the stator for rotation relative thereto, wherein the rotor includes a conical rotor surface. A conical gap is defined between the conical surfaces of the stator and rotor about the rotary axis. An actuator is operatively connected to at least one of the stator and rotor for relative linear motion along the rotary axis of the stator and rotor to change the conical gap, wherein the actuator provides relative linear motion between a first position for a first conical gap width and a second position for a second conical gap width different form the first conical gap width. In both the first and second positions the full axial length of one of the rotor or stator is axially within the axial length of the other.

    INTEGRAL OPTIMIZED FLOW CHANNELS FOR FLUID-COOLED MOTORS AND GENERATORS
    89.
    发明申请
    INTEGRAL OPTIMIZED FLOW CHANNELS FOR FLUID-COOLED MOTORS AND GENERATORS 有权
    流体冷却电机和发电机的整体优化流量通道

    公开(公告)号：US20160149448A1

    公开(公告)日：2016-05-26

    申请号：US14549873

    申请日：2014-11-21

    Applicant: HAMILTON SUNDSTRAND CORPORATION

    Inventor： Andreas C. Koenig ,  Joseph K. Coldwate

    IPC: H02K1/20

    CPC classification number: H02K1/20 ,  H02K9/02

    Abstract: An electric machine is provided. The electric machine may comprise an inlet and a stator fluidly coupled to the inlet. The stator may comprise a first cooling channel formed in the stator with a first cross-sectional area. A second cooling channel may be formed in the stator and have a second cross-sectional area. The first cross-sectional area may be less than the second cross-sectional area. The electric machine may also include an outlet fluidly coupled to the stator. A stator assembly is also provided. The stator assembly may include a first channel with a first cross-sectional area and a second channel with a second cross-sectional area. The second cross-sectional area may be less than the first cross-sectional area.

    Abstract translation: 提供电机。 电机可以包括流体地联接到入口的入口和定子。 定子可以包括形成在具有第一横截面积的定子中的第一冷却通道。 第二冷却通道可以形成在定子中并且具有第二横截面积。 第一横截面积可以小于第二横截面面积。 电机还可以包括流体地联接到定子的出口。 还提供定子组件。 定子组件可以包括具有第一横截面积的第一通道和具有第二横截面积的第二通道。 第二横截面积可以小于第一横截面积。

    Two stage flux switching machine for an electrical power generation system
    90.
    发明授权
    Two stage flux switching machine for an electrical power generation system 有权
    用于发电系统的两级磁通切换机

    公开(公告)号：US09325269B1

    公开(公告)日：2016-04-26

    申请号：US14542981

    申请日：2014-11-17

    Applicant: Hamilton Sundstrand Corporation

    Inventor： Dhaval Patel ,  Andreas C. Koenig ,  Todd A. Spierling

    IPC: H02P9/10 ,  H02P9/14 ,  H02P9/30 ,  H02K7/20 ,  H02K21/26 ,  H02P6/18

    CPC classification number: H02P9/302 ,  H02K7/20 ,  H02P9/02 ,  H02P2101/30

    Abstract: An electrical power generation system includes a flux switching machine (FSM) including an FSM rotor operatively connected to an FSM stator, the FSM rotor operatively connected to a shaft, wherein the FSM includes an electrical input/output (i/o) in electrical communication with the FSM stator, and a permanent magnet machine (PMM) including a PMM rotor operatively connected to a PMM stator, the PMM rotor operatively connected to a the shaft, wherein the PMM is electrically connected to the FSM.

    Abstract translation: 一种发电系统包括一个通量切换机（FSM），它包括一个可操作地连接到FSM定子的FSM转子，FSM转子可操作地连接到一个轴上，其中FSM包括一个电气输入/输出（i / o） 使用FSM定子，以及包括可操作地连接到PMM定子的PMM转子的永磁机（PMM），PMM转子可操作地连接到轴，其中PMM电连接到FSM。

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