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1. 发明授权

US10707719B2 Insulative insert for motor controller can 有权
公开(公告)号：US10707719B2
公开(公告)日：2020-07-07
申请号：US15640070
申请日：2017-06-30
申请人： Nidec Motor Corporation
发明人： Chetan O. Modi , Douglas D. Glenn , Jeffrey S. Sherman , James L. Skinner
IPC分类号： H02K5/04 , H02K11/33 , H02K5/22 , H01G11/56 , H02K9/00 , H01G9/28
摘要： A motor assembly includes a motor, a controller for controlling at least one aspect of operation of the motor, a housing, and an insulation system. The housing defines a motor chamber at least substantially receiving the motor and a controller chamber at least substantially receiving the controller. The housing includes a generally annular sidewall at least in part defining the controller chamber. The sidewall includes an electrically conductive portion adjacent the controller, such that a generally radially extending potentially electrical pathway is defined between the controller and the electrically conductive portion. The insulation system extends along the electrically conductive portion, in electrically insulative engagement therewith, to at least in part obstruct the pathway.

2. 发明授权

US10541637B2 System-specific interface module for motor control subassembly for electric motor 有权
公开(公告)号：US10541637B2
公开(公告)日：2020-01-21
申请号：US15868814
申请日：2018-01-11
申请人： Nidec Motor Corporation
发明人： Prakash B. Shahi , Anandan C. Velayutham , Douglas D. Glenn , Christopher D. Schock , James L. Skinner , Randy L. Bomkamp , Mark E. Carrier
IPC分类号： H02P27/06 , H02K11/04 , H02K11/33 , H02K5/22 , H02K11/00 , H02K11/35
摘要： A system-specific interface module for a motor control subassembly for controlling operation of an electric motor within a larger system which uses a particular system communication method. The motor control subassembly includes a standard power module and the interface module. The power module includes a controller processor configured to receive input for controlling and to generate output regarding operation of the motor. The interface module includes a communication interface hardware block configured to exchange input and output signals with the larger system, and an interface processor configured to translate the input and output signals between the particular system communication method used by the larger system and a standard internal communication method used by the power module. Thus, the motor control subassembly can be configured to accommodate any of a variety of different system communication methods and other input/output options by selecting and inserting the appropriate interface module.

3. 发明授权

US09912264B2 System and method for limiting vibration of electric motor 有权
公开(公告)号：US09912264B2
公开(公告)日：2018-03-06
申请号：US15199376
申请日：2016-06-30
申请人： Nidec Motor Corporation
发明人： James L. Skinner
IPC分类号： G05B5/00 , G06F11/30 , H02P6/08 , H02P29/024 , H02P6/10 , H02P29/032 , F16C19/52
CPC分类号： H02P6/08 , F16C19/52 , H02P6/10 , H02P29/024 , H02P29/0241 , H02P29/032
摘要： A system and method for limiting the vibration of an electric motor so as to avoid situations in which extreme vibration may result in damage to the motor or other equipment. A motor control subsystem runs the motor in accordance with a command specifying a speed or torque. A vibration sensor, such as a three-axis accelerometer, senses a vibration of the electric motor, or, alternatively, software indirectly detects the vibration based on phase or torque ripple. Such vibration may be caused by, e.g., a broken fan blade or an accumulation of snow or ice. A control element receives data regarding the vibration, determines whether the vibration exceeds a pre-determined limit, and if so, takes action to reduce the vibration of the electric motor below the pre-determined limit. Such action may involve slowing or stopping the motor, thereby avoiding damage, increasing reliability, and reducing cost.

4. 发明申请

US20180006519A1 INSULATIVE INSERT FOR MOTOR CONTROLLER CAN 审中-公开
公开(公告)号：US20180006519A1
公开(公告)日：2018-01-04
申请号：US15640070
申请日：2017-06-30
申请人： Nidec Motor Corporation
发明人： Chetan O. Modi , Douglas D. Glenn , Jeffrey S. Sherman , James L. Skinner
IPC分类号： H02K5/04 , H02K11/33 , H01G11/56 , H02K9/00
CPC分类号： H02K5/04 , H01G9/28 , H01G11/56 , H02K5/225 , H02K9/00 , H02K11/33
摘要： A motor assembly includes a motor, a controller for controlling at least one aspect of operation of the motor, a housing, and an insulation system. The housing defines a motor chamber at least substantially receiving the motor and a controller chamber at least substantially receiving the controller. The housing includes a generally annular sidewall at least in part defining the controller chamber. The sidewall includes an electrically conductive portion adjacent the controller, such that a generally radially extending potentially electrical pathway is defined between the controller and the electrically conductive portion. The insulation system extends along the electrically conductive portion, in electrically insulative engagement therewith, to at least in part obstruct the pathway.

5. 发明申请

US20160172848A1 POWERLINE SURGE PROTECTION 审中-公开
标题翻译： POWERLINE防护
公开(公告)号：US20160172848A1
公开(公告)日：2016-06-16
申请号：US15051962
申请日：2016-02-24
申请人： Nidec Motor Corporation
发明人： James L. Skinner
IPC分类号： H02H9/04
CPC分类号： H02H9/041 , H01T4/02 , H02H9/06
摘要： A surge protector for an electrical component configured to withstand higher voltages without breakdown and without substantially raising maximum voltage during high voltage surges. The surge protector may have a first varistor, a gas discharge tube (GDT), and a resistor. The GDT may be non-conductive below a trigger voltage and is conductive above the trigger voltage. The first varistor and the GDT may be connected in series between a live line and a ground line and/or a second line and the ground line, and the resistor may extend across a spark gap of the GDT. The electrical component may include the live line, the second line, the ground line, the surge protector, and a load electrically-coupled with the live line, the second line, and the ground line.
摘要翻译：用于电气部件的电涌保护器被配置为承受更高的电压而不击穿，并且在高电压浪涌期间基本上不提高最大电压。浪涌保护器可以具有第一变阻器，气体放电管（GDT）和电阻器。 GDT可能在触发电压以下是非导通的，并且在触发电压以上导通。第一变阻器和GDT可以串联连接在带电线与接地线和/或第二线和接地线之间，并且电阻可以延伸越过GDT的火花隙。电气部件可以包括带电线，第二线，接地线，浪涌保护器，以及与带电线，第二线和接地线电耦合的负载。

6. 发明申请

US20160087512A1 ELECTRONIC MOTOR SYSTEM WITH COMMON MODE INDUCTOR 有权
标题翻译：具有通用模式电感器的电子电机系统
公开(公告)号：US20160087512A1
公开(公告)日：2016-03-24
申请号：US14491546
申请日：2014-09-19
申请人： Nidec Motor Corporation
发明人： James L. Skinner
IPC分类号： H02K11/02
CPC分类号： H02K11/215 , H02K11/01 , H02K11/02 , H02K11/024 , H02K11/044 , H02K11/40
摘要： An electric motor system has a motor having motor windings and a motor housing. The motor is a variable speed permanent magnet motor configured to drive a load which is part of a residential or commercial machine. A motor control subsystem includes a power module electrically connected to the motor windings. A common mode inductor is electrically interposed between the motor control subsystem and the motor windings so as to present a high impedance obstacle to common mode transients and to reduce an electromagnetic interference effect of an inherent capacitance of each of the motor windings. The common mode inductor is an air core inductor located substantially within the motor housing, and takes the form of additional turns added to the end of each of the motor windings.
摘要翻译：电动机系统具有电动机绕组和电动机壳体。电动机是一种变速永磁电动机，其配置为驱动作为住宅或商业机器的一部分的负载。电动机控制子系统包括电连接到电动机绕组的功率模块。电动机控制子系统和电动机绕组之间电气地插入共模电感器，以对共模瞬变呈现高阻抗障碍，并且减小每个电动机绕组的固有电容的电磁干扰效应。共模电感器是基本上位于电动机壳体内的空心电感器，并且以每个电动机绕组末端的形式增加额外的匝数。

7. 发明申请

US20160013740A1 SYSTEM AND METHOD FOR DETECTING LOSS OF INPUT PHASE BY SENSING AFTER POWER RECTIFIER 审中-公开
标题翻译：用于检测功率整流器后感应输入相损失的系统和方法
公开(公告)号：US20160013740A1
公开(公告)日：2016-01-14
申请号：US14330921
申请日：2014-07-14
申请人： Nidec Motor Corporation
发明人： James L. Skinner , Prakash B. Shahi
IPC分类号： H02P7/00 , H02P3/08
CPC分类号： H02P29/025
摘要： A system for detecting a decrease in or loss of an input phase to a motor. A power rectifier rectifies and combines three input voltages to produce an output voltage to power the motor. A PFC circuit manages the power flowing to the motor. A sensing circuit located between the power rectifier and the PFC senses a voltage level of the power rectifier's output voltage. Alternatively, a sensing rectifier is connected before the power rectifier, and the sensing circuit senses the voltage level of the sensing rectifier's output voltage. A microprocessor compares the sensed voltage level to a threshold voltage level which is indicative of the decrease in or loss of one of the three input voltages, and if the former drops below the latter, then the microprocessor sends a signal to either shut off the motor or cause the PFC circuit to reduce the power flowing to the motor.
摘要翻译：一种用于检测对电动机的输入相位的减少或损失的系统。电力整流器整流并组合三个输入电压以产生输出电压来为电机供电。 PFC电路管理流向电机的功率。位于功率整流器和PFC之间的感测电路检测功率整流器的输出电压的电压电平。或者，在电源整流器之前连接感测整流器，并且感测电路感测感测整流器的输出电压的电压电平。微处理器将感测的电压电平与指示三个输入电压中的一个的减小或丢失的阈值电压电平进行比较，并且如果前者低于后者，则微处理器发送信号以关闭电动机或使PFC电路减少流向电机的功率。

8. 发明授权

US08810163B2 System and method for variable speed motor control with a single control signal 有权
标题翻译：具有单个控制信号的变速电机控制的系统和方法
公开(公告)号：US08810163B2
公开(公告)日：2014-08-19
申请号：US13676666
申请日：2012-11-14
申请人： Nidec Motor Corporation
发明人： James L. Skinner , Prakash B. Shahi
IPC分类号： H02P5/74 , H02P5/00
CPC分类号： H02P5/00 , H02P5/74
摘要： In a motor control system, a controller generates a single control signal for a motor control unit in a first electric motor and another motor control unit in a second electric motor. The motor control units in the first and second electric motors operate the first and second electric motors at a first rate in response to the control signal being at a first level. The motor control unit in the first electric motor operates the first electric motor at a second rate and the motor control unit in the second electric motor operates the second electric motor at a third rate in response to the control signal being at a second level, the third rate being different than the second rate.
摘要翻译：在电动机控制系统中，控制器产生用于第一电动机中的电动机控制单元和第二电动机中的另一个电动机控制单元的单个控制信号。第一和第二电动机中的电动机控制单元响应于控制信号处于第一水平，以第一速率操作第一和第二电动机。第一电动机中的电动机控制单元以第二速率操作第一电动机，并且响应于控制信号处于第二电平，第二电动机中的电动机控制单元以第三速率操作第二电动机，第三率与第二率不同。

9. 发明授权

US11596057B2 Spacing-assured electric field shield for gas discharge tube of motor control 有权
公开(公告)号：US11596057B2
公开(公告)日：2023-02-28
申请号：US17095103
申请日：2020-11-11
申请人： Nidec Motor Corporation
发明人： James L. Skinner
IPC分类号： H05K1/02 , H02H9/06 , H01T1/14
摘要： A spacing-assured gas discharge tube assembly is installed on a printed circuit board, which may be part of a motor controller. The discharge tube assembly includes a tube body and an electrostatic spacing shield disposed at least partially around the tube body. The shield is configured to prevent close physical proximity of adjacent structures having electrostatic fields that may alter the breakdown voltage of the tube body.

10. 发明申请

US20220021273A1 HEATSINK CLAMP FOR MULTIPLE ELECTRONIC COMPONENTS 有权
公开(公告)号：US20220021273A1
公开(公告)日：2022-01-20
申请号：US17492332
申请日：2021-10-01
申请人： Nidec Motor Corporation
发明人： James L. Skinner , Richard A. Belley , Michael L. Largent
IPC分类号： H02K9/06 , F04D29/70 , H02K5/15 , H02K7/08 , H02K9/22 , H02K11/33 , H02P23/26 , H02K21/16
摘要： An electric motor assembly includes a stator, a rotor, a motor housing, a rotatable shaft, a radial fan, and an air scoop. The motor housing at least partly houses the stator and rotor and presents an exterior motor surface. The rotatable shaft is associated with the rotor for rotational movement therewith, with the rotatable shaft extending along a rotational axis. The radial fan is mounted on the rotatable shaft exteriorly of the motor housing and is rotatable with the shaft to direct airflow in a radially outward direction. The air scoop extends radially outwardly relative to the radial fan and axially to receive radial airflow from the radial fan and turn the airflow axially to flow along the exterior motor surface. The air scoop includes spaced apart axially extending airflow vanes to guide the airflow as the airflow is turned axially.

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