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51. 发明授权

US5942967A Compressor plug with internal thermal overload protection 失效
标题翻译：具有内部热过载保护的压缩机插头
公开(公告)号：US5942967A
公开(公告)日：1999-08-24
申请号：US156146
申请日：1998-09-18
申请人： Jarold D. Grimes
发明人： Jarold D. Grimes
IPC分类号： H01R13/713 , H01H37/04 , H02H5/04 , H02P1/26
CPC分类号： H01R13/7137 , F25B2400/077 , H01R2103/00 , H01R24/20
摘要： The present invention is a compressor plug with internal thermal overload protection. It simplifies and improves the installataion of, and means of conducting electricity to, a compressor such as is used as a refrigeration compressor. It comprises a housing which contains electrical connections that are molded integral to the housing. The housing further comprises a clearance that accepts a thermal overload protection device. The housing further comprises an insert that serves as a structural member reinforcing said housing. The insert can include a slot which permits mounting of said compressor plug to a top of a shell used to house a refrigeration compressor.
摘要翻译：本发明是具有内部热过载保护的压缩机插头。它简化并改进了用作制冷压缩机的压缩机的安装和传导电力。它包括壳体，其包含与壳体一体模制的电连接。壳体还包括接受热过载保护装置的间隙。壳体还包括用作加强所述壳体的结构构件的插入件。插入件可以包括允许将所述压缩机插头安装到用于容纳制冷压缩机的壳体的顶部的狭槽。

52. 发明授权

US5789894A Solid state motor speed control 失效
标题翻译：固态电机调速
公开(公告)号：US5789894A
公开(公告)日：1998-08-04
申请号：US832247
申请日：1997-04-03
申请人： Benjamin Neiger , Douglas R. Watson , Roger Bradley , Saul Rosenbaum
发明人： Benjamin Neiger , Douglas R. Watson , Roger Bradley , Saul Rosenbaum
IPC分类号： H02M1/44 , H02M5/293 , H02P25/14 , H02P27/02 , H02P1/26
CPC分类号： H02M1/44 , H02M5/293 , H02P25/14 , H02P27/02
摘要： A solid state motor speed control is described that is capable of controlling a motor so that it operates quietly, eliminating annoying buzzing noises that would otherwise be generated by the motor's windings. The invention provides for motor speed control with infinitely variable speed control settings. Rather than use triacs that generate RFI noise and cause motor windings to buzz due to their inherent avalanche switching, the invention utilizes power FETs or IGBTs to provide the switching function to control power delivery to the motor load . The power switches are controlled by an oscillator that generates a pulse train with a duty cycle controllable by the user. A filter shapes this signal into a trapezoidal control signal that drives the gate input of the power FET or IGBT switch. A kick start circuit turns the motor on initially for two to three seconds to overcome the inertia of the motor and its load. A zero crossing detector prevents the motor from being turned on except at a zero crossing of the AC source to further reduce noise.
摘要翻译：描述了一种固态电动机速度控制，其能够控制电动机以使其静音地操作，消除由电动机的绕组产生的令人讨厌的嗡嗡声。本发明提供具有无级变速控制设置的电机速度控制。本发明不是使用产生RFI噪声的三端双向可控硅，并且由于其固有的雪崩切换而使电动机绕组嗡嗡声，而是利用功率FET或IGBT提供开关功能来控制向电动机负载的功率传递。功率开关由振荡器控制，该振荡器产生具有用户可控的占空比的脉冲串。滤波器将该信号形成为驱动功率FET或IGBT开关的栅极输入的梯形控制信号。脚踏起动电路最初将马达开启二至三秒，以克服电机及其负载的惯性。零交叉检测器防止电动机接通，除非交流电源过零点以进一步降低噪声。

53. 发明授权

US5654624A Method of starting an asynchronous machine 失效
标题翻译：启动异步机的方法
公开(公告)号：US5654624A
公开(公告)日：1997-08-05
申请号：US520469
申请日：1995-08-28
申请人： Petri Schroderus
发明人： Petri Schroderus
IPC分类号： H02P1/30 , H02P1/26 , H02P21/12 , H02P21/34 , H02P27/06 , H02P11/00
CPC分类号： H02P21/12 , H02P21/34 , H02P1/26
摘要： The invention relates to a method of starting an asynchronous machine irrespective of whether the rotor of the machine is rotating or not when the machine is supplied by an inverter provided with a separate moment and flux or moment and magnetizing current control, which is faster than the time constants of the asynchronous machine. According to the invention, zero moment is set as a target for the control, a voltage is supplied to the stator of the machine by the inverter, a stator current vector and a stator flux generated by the voltage is determined, an estimate of that vector or some other quantity comparable to the stator flux is determined, a moment caused by the stator flux vector and the stator current vector is determined and information of the moment is supplied to the control, which tries to zero the caused moment by making the stator flux and a rotor flux generated thereby cophasal, thus synchronizing the supply frequency of the inverter with a possible rotation of the machine rotor.
摘要翻译：本发明涉及一种启动异步电机的方法，无论机器转子是否旋转，当机器由设置有单独力矩和磁通或力矩和磁化电流控制的变频器供电时，该方法比异步机的时间常数。根据本发明，将零时刻设定为控制的目标，通过逆变器将电压提供给机器的定子，确定由电压产生的定子电流矢量和定子磁通，该向量的估计或与定子磁通相当的某些其他数量，确定由定子通量矢量和定子电流矢量引起的力矩，并将该力矩的信息提供给控制器，该控制器通过使定子磁通量并且由此产生的转子磁通相关，从而使逆变器的供给频率与机器转子的可能旋转同步。

54. 发明授权

US5461296A Bumpless rotating start 失效
标题翻译：无节奏旋转启动
公开(公告)号：US5461296A
公开(公告)日：1995-10-24
申请号：US94784
申请日：1993-07-20
申请人： David M. Messersmith , David J. Gritter
发明人： David M. Messersmith , David J. Gritter
IPC分类号： H02P1/26 , H02P3/18
CPC分类号： H02P1/26 , H02P1/029
摘要： A method for starting an unexcited, multiple phase, alternating current induction motor rotating at an unknown speed is provided. The method includes generating an output signal with an AC drive at a predetermined frequency in order to energize the motor. The output signal has independently adjustable frequency and voltage components. A speed reference is provided which is functionally related to the frequency of the output signal. The voltage of the output signal is ramped at a predetermined rate and the frequency of the output signal is adjusted such that the voltage of the output signal equals the motor's set point and the speed reference is substantially equal to the speed of the motor. The motor then enters the normal operating mode.
摘要翻译：提供一种用于启动以未知速度旋转的未激励的多相交流感应电动机的方法。该方法包括以预定频率产生具有AC驱动器的输出信号，以使电动机通电。输出信号具有独立可调的频率和电压分量。提供了与输出信号的频率功能相关的速度参考。输出信号的电压以预定的速率斜坡，并且输出信号的频率被调整为使得输出信号的电压等于电动机的设定点，并且速度给定基本上等于电动机的速度。然后电机进入正常工作模式。

55. 发明授权

US5451854A Procedure for reducing the starting current of a squirrel-cage motor, and a squirrel-cage motor unit designed for implementing the procedure 失效
标题翻译：降低鼠笼式电动机的起动电流的步骤以及为实施该程序设计的鼠笼式电机单元
公开(公告)号：US5451854A
公开(公告)日：1995-09-19
申请号：US352294
申请日：1994-12-08
申请人： Klaus Uuskoski
发明人： Klaus Uuskoski
IPC分类号： B66B1/28 , H02K17/30 , H02P1/26 , H02K17/12
CPC分类号： H02P1/26 , B66B1/28 , H02K17/30
摘要： A method for reducing the starting current of a squirrel-cage motor and a squirrel-cage motor unit designed for implementing the method for reducing the starting current. The squirrel-cage motor stator winding of each phase comprises at least two insulated conductor elements connected in parallel and placed in the same slots. The conductor elements are divided into at least two parallel branches. During starting one or more branches are disconnected from the supply voltage while one or more branches are connected to the supply voltage. With this arrangement, the stator resistance increases during starting, so that the starting current decreases accordingly.
摘要翻译：一种用于降低鼠笼式电动机的起动电流的方法和用于实现减小起动电流的方法而设计的鼠笼式电动机单元。每相的鼠笼式电动机定子绕组包括并联连接并放置在相同槽中的至少两个绝缘导体元件。导体元件分成至少两个平行的分支。在开始一个或多个分支与电源电压断开时，一个或多个分支连接到电源电压。通过这种布置，定子电阻在启动期间增加，使得起动电流相应地减小。

56. 发明授权

US5359272A Sensorless drive control and method for doubly-fed reluctance motor 失效
标题翻译：用于双馈磁阻电机的无传感器驱动控制和方法
公开(公告)号：US5359272A
公开(公告)日：1994-10-25
申请号：US14254
申请日：1993-02-05
申请人： Yuefeng Liao
发明人： Yuefeng Liao
IPC分类号： H02P1/16 , H02P6/00 , H02P25/08 , H02P1/26
CPC分类号： H02P6/005 , H02P1/163 , H02P25/089
摘要： A doubly-fed reluctance motor (10) has a primary winding set (20) and a secondary winding set (22). A drive control (32) for the motor includes a connection (36) to the primary winding so primary winding current and voltage signals (i.sub.p, V.sub.p) can be developed. A further signal representing the phase relationship (.PHI..sub.p) between the primary winding current and voltage is developed using these signals. A processor module (42) is responsive to these signals to determine the magnitude and phase of a secondary winding current (I.sub.s) of the motor for a predetermined motor operating speed (w.sub.r). The desired current value is as a function of the primary winding current and the phase relationship between the primary winding current and voltage. A switching module (60) operates to regulate the secondary winding currents and opening and closing of switching elements of the module is controlled by an output from the control module. Operation of the switching module by the control module serves to establish and maintain a desired phase relationship between the primary and secondary winding currents by controlling the feed of current and voltage to the secondary winding set.
摘要翻译：双馈磁阻马达（10）具有初级绕组（20）和次级绕组（22）。用于电动机的驱动控制器（32）包括到初级绕组的连接（36），从而可以开发初级绕组电流和电压信号（ip，Vp）。使用这些信号来开发表示初级绕组电流和电压之间的相位关系（PHI p）的另一个信号。处理器模块（42）响应于这些信号，以确定电机对于预定的电动机运行速度（wr）的次级绕组电流（Is）的大小和相位。所需的电流值是初级绕组电流和初级绕组电流与电压之间的相位关系的函数。开关模块（60）操作以调节次级绕组电流，并且通过控制模块的输出来控制模块的开关元件的打开和关闭。通过控制模块对开关模块的操作，通过控制向次级绕组组的电流和电压的馈送来建立并维持初级和次级绕组电流之间所需的相位关系。

57. 发明授权

US5347443A Inverter apparatus and a restarting method at an instantaneous power failure 失效
标题翻译：逆变器装置和瞬时断电时的重启方法
公开(公告)号：US5347443A
公开(公告)日：1994-09-13
申请号：US034883
申请日：1993-03-19
申请人： Masaharu Muramatsu , Hiroshi Fujii
发明人： Masaharu Muramatsu , Hiroshi Fujii
IPC分类号： H02M5/458 , H02M7/48 , H02M7/5375 , H02P1/26 , H02P27/06 , H02M3/24
CPC分类号： H02P1/26 , H02M5/458 , H02P29/025
摘要： An inverter apparatus and method having a restarting function at an instantaneous power failure includes a residual voltage detector for detecting a frequency and a phase of a residual voltage of an induction motor based on a direction of a current flowing in an induction motor connected to an output of the inverter apparatus by ON/OFF control of switching elements in an upper arm or a lower arm of an inverter portion simultaneously from a time after elapse of a predetermined period of time from occurrence of the power failure until a time of determination of restarting timing. A restart unit is provided for restarting the induction motor at the frequency and the phase detected by the residual voltage detector in determining the restart timing based on said residual voltage detector and the recovery timing of the power failure.
摘要翻译：具有瞬时断电的重启功能的逆变器装置和方法包括：残留电压检测器，用于基于连接到输出端的感应电动机中流动的电流的方向来检测感应电动机的残余电压的频率和相位通过对从逆变器部的上臂或下臂的开关元件的ON / OFF控制，从经过停电发生的预定时间段开始到确定重新启动定时的时间之后的时间同时从逆变器装置。提供重新启动单元，用于在基于所述残余电压检测器确定重新启动定时和电源故障的恢复定时时，以由残余电压检测器检测的频率和相位重新启动感应电动机。

58. 发明授权

US5325033A Circuit arrangement for influencing the start-up and/or braking behavior of three-phase A.C. non-synchronous motors 失效
标题翻译：用于影响三相交流非同步电动机起动和/或制动行为的电路布置
公开(公告)号：US5325033A
公开(公告)日：1994-06-28
申请号：US934675
申请日：1992-09-04
申请人： Herbert Obermair
发明人： Herbert Obermair
IPC分类号： H02P1/26 , H02P1/38 , H02P3/18
CPC分类号： H02P1/26 , H02P1/38 , H02P3/18
摘要： In a circuit arrangement for influencing the start-up and/or braking behavior of three-phase a.c. non-synchronous motors having phase windings (5, 6, 7), which are connected in star for continuous operation and have terminals for the phase conductors (1, 2, 3) and for a neutral conductor (4) the phase terminal of one phase winding (6, 7) is connected by a change-over switch (9, 11) to the neutral conductor (4) for start-up and/or braking. A corresponding circuit arrangement is disclosed also for three-phase a.c. non-synchronous machines in which the phase windings (5, 6, 7) have terminals for the phase conductors (1, 2, 3) and for a neutral conductor (4).
摘要翻译： PCT No.PCT / AT92 / 00001 Sec。 371日期：1992年9月4日 102（e）日期1992年9月4日PCT提交1992年1月7日PCT公布。出版物WO92 / 12570 日期：1992年7月23日。在影响三相交流电机起动和/或制动行为的电路中。具有相位绕组（5,6,7）的非同步电动机以星形连接连续运行，并具有用于相位导体（1,2,3）和中性导体（4）的端子，一个相位端子通过转换开关（9,11）将相绕组（6,7）连接到中性导体（4）上以进行启动和/或制动。还公开了一种相应的电路装置，用于三相交流电。其中相绕组（5,6,7）具有用于相导体（1,2,3）和中性导体（4）的端子的非同步电机。

59. 发明授权

US5162717A Loom operating apparatus and method 失效
标题翻译： LOOM操作装置和方法
公开(公告)号：US5162717A
公开(公告)日：1992-11-10
申请号：US649064
申请日：1991-02-01
申请人： Zenji Tamura
发明人： Zenji Tamura
IPC分类号： D03D51/02 , D03D51/00 , H02P1/26 , H02P27/06
CPC分类号： H02P1/26 , D03D51/00
摘要： A loom operating apparatus and method involving the use of an inverter device interposed between loom motor and power supply. The inverter device is controlled so as to make the motor torque greater than a rated value from immediately after start-up up to the completion thereof, and equal to the rated value thereafter. This eliminates contact wear and other disadvantages associated with the use of contact circuits, and allows the loom to be started up free of staggered weaves.

60. 发明授权

US4890049A Circuit and winding arrangement for a multiphase electric rotating field machine 失效
标题翻译：多相电动旋转磁场机的电路和绕组布置
公开(公告)号：US4890049A
公开(公告)日：1989-12-26
申请号：US218703
申请日：1988-07-13
申请人： Herbert Auinger
发明人： Herbert Auinger
IPC分类号： H02K3/28 , H02P1/26
CPC分类号： H02K3/28 , H02P1/26
摘要： A switchable arrangement for at least three different operating states is made possible with a minimum number of external winding terminals and a switching device as simple as possible, and current heating of the entire winding as uniform as possible. In the starting-up stages with free adaptation of the inrush current reduction and far-reaching avoidance of disturbing field harmonics is provided. The machine impedance is increased over the normal operating stage by the provision that in the normal operating stage the parallel connected winding branches assigned to a leg are separated and are assigned to different branches, remain without current in part in individual stages and/or are operated with partly different direction of excitation.
摘要翻译：使用最少数量的外部绕组端子和开关装置尽可能简单地实现至少三种不同工作状态的可切换装置，并且整个绕组的电流加热尽可能均匀。在启动阶段，自由适应浪涌电流的降低和远距离的干扰场谐波的避免。通过规定在正常运行阶段，机器阻抗增加，在正常运行阶段，分配给一个支路的并联连接的绕组分支被分离并分配给不同的分支，部分地保持在各个阶段中并且/或被操作具有部分不同的激励方向。

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