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1. 发明授权

US6008608A User operated switch and speed control device for a wet/dry vacuum 失效
标题翻译：用于湿/干真空的用户操作开关和速度控制装置
公开(公告)号：US6008608A
公开(公告)日：1999-12-28
申请号：US844075
申请日：1997-04-18
申请人： Stuart V. Holsten , Joseph T. Gierer , Karmen D. Cox , James I. Metzger, Jr.
发明人： Stuart V. Holsten , Joseph T. Gierer , Karmen D. Cox , James I. Metzger, Jr.
IPC分类号： A47L9/28 , H01H9/06 , H01H9/12 , H01H19/00 , H01H39/42
CPC分类号： A47L9/2894 , A47L9/2842 , A47L9/2857 , A47L9/2889 , H01H9/061 , H01H19/001 , H01H9/12
摘要： A switch and speed control assembly for use in a wet/dry utility vacuum or blower is disclosed. The switch and speed control assembly provides a single rotary control actuator for turning the vacuum or blower on and off, for infinitely varying the speed of the motor, and for providing a momentary boost control. The switch and speed control assembly includes a thumb wheel fitted to the shaft of a voltage varying potentiometer, a snap action switch in operable relation to the exterior edge of the thumb wheel, and a compression spring contained beneath the thumb wheel. As the thumb wheel is rotated in an increasing "on" direction, the contacts of the snap action switch are closed, allowing electric current to flow to the motor of the wet/dry utility vacuum or blower. The voltage levels in the motor, and correspondingly the speed of the motor, are controlled by varying the potentiometer voltage through rotation applied to the thumb wheel. During boost operating conditions, the thumb wheel engages the compression spring such that when the force engaging the momentary boost condition abates, the thumb wheel returns to a normal operating condition. Additional features incorporated in the switch and speed control assembly include: mechanical stops for both the "Off" and "High On" modes; a static guard to protect the electrical components and the user from static discharges; fastener free mounting within wet/dry utility vacuum or blower housings; a configuration designed to prevent mechanical loads present on the thumb wheel from being transferred to the potentiometer shaft and other electrical components, such as the switch; and internal wire routing designed to minimize inductive influences between the wires.
摘要翻译：公开了一种用于湿/干公用真空或鼓风机的开关和速度控制组件。开关和速度控制组件提供单个旋转控制致动器，用于打开和关闭真空或鼓风机，以无限地改变电动机的速度，并提供瞬时升压控制。开关和速度控制组件包括装配到电压变化电位器的轴上的拇指轮，与拇指轮的外边缘可操作的快动开关以及容纳在拇指轮下方的压缩弹簧。当拇指轮在增加的“开”方向上旋转时，快动动作开关的触点闭合，允许电流流向湿/干电力真空或鼓风机的电动机。电动机的电压水平以及相应的电动机速度通过转动施加到拇指轮的电位器电压来控制。在升压操作条件期间，拇指轮接合压缩弹簧，使得当接合瞬时升压状态的力消除时，拇指轮返回正常操作状态。结合在开关和速度控制组件中的附加功能包括：用于“关”和“高”模式的机械停止; 静电防护装置，用于保护电气部件和用户免受静电放电; 紧固件安装在湿/干式公用真空或鼓风机壳体内; 设计用于防止拇指轮上存在的机械载荷被传递到电位器轴和诸如开关的其它电气部件的构造; 以及设计用于最小化电线之间的电感影响的内部电线布线。

2. 发明授权

US06232693B1 Switched reluctance motor having stator inserts for noise reduction, magnet positioning, and coil retention 失效
标题翻译：具有用于降噪，磁体定位和线圈保持的定子嵌件的开关磁阻电动机
公开(公告)号：US06232693B1
公开(公告)日：2001-05-15
申请号：US08855436
申请日：1997-05-13
申请人： Joseph T. Gierer , Karmen D. Cox , George E. Hendrix
发明人： Joseph T. Gierer , Karmen D. Cox , George E. Hendrix
IPC分类号： H02K2100
CPC分类号： H02K29/03 , H02K1/146 , H02K3/522 , H02K19/06 , H02K2203/06 , H02K2203/12 , H02K2205/12
摘要： A switched reluctance motor having a rotor and a stator is disclosed. The stator has a plurality of peripherally spaced stator poles, each being defined by an inner curvilinear face, which is generally aligned with the curvilinear faces of adjacent stator poles in a circumferential path. A plurality of stator inserts are also provided that are disposed between adjacently spaced stator poles. Each stator insert has a curvilinear face that is generally aligned in the same circumferential path with the curvilinear faces of adjacently spaced stator poles to reduce siren noise. Each stator insert is also constructed to include at least one pocket opposite its curvilinear face for receiving a magnet to facilitate positioning of the rotor relative to the stator poles. Each stator insert is further provided with oppositely extending arms for receiving and mounting a pre-wound stator coil or “wound-in-place” coils. A method of assembling the pre-wound coil relative to adjacent spaced stator poles and stator inserts is also disclosed.
摘要翻译：公开了一种具有转子和定子的开关磁阻电动机。定子具有多个周向间隔开的定子极，每个定子极由内部曲线面限定，内部曲线面通常与圆周路径中的相邻定子极的曲面对准。还提供了多个定子插入件，其设置在相邻间隔开的定子极之间。每个定子插入件具有曲线面，其通常在与相邻间隔开的定子极的曲面相同的圆周路径中对准，以减少警笛噪声。每个定子插入件还被构造成包括与其曲线面相对的至少一个凹穴，用于容纳磁体以便于相对于定子极定位转子。每个定子插入件还设置有相对延伸的臂，用于接收和安装预缠绕的定子线圈或“就地原位”线圈。还公开了一种组装预缠绕线圈相对于相邻间隔开的定子极和定子刀片的方法。

3. 发明授权

US6011331A Electric motor having an improved airflow cooling system 失效
标题翻译：具有改进的气流冷却系统的电动机
公开(公告)号：US6011331A
公开(公告)日：2000-01-04
申请号：US837777
申请日：1997-04-22
申请人： Joseph T. Gierer , Karmen D. Cox
发明人： Joseph T. Gierer , Karmen D. Cox
IPC分类号： H02K5/20 , H02K9/06 , H02K11/04 , H02K29/06 , H02K9/04
CPC分类号： H02K29/06 , H02K11/33 , H02K5/20 , H02K9/06 , Y10S310/06
摘要： An improved design for a switched reluctance motor is disclosed that keeps the motor cool during operation and thereby improves the performance and reliability of the motor. The improved design employs three centrifugal fans mounted to the motor shaft, which are used to create two independent airflow paths, one of which cools the electronic components of the motor. The improved design also divides the functions performed by a single printed circuit board into two circuit boards, an upper circuit board and a lower circuit board. Another feature of the improved design includes locating the position/speed sensing encoder immediately below one of the centrifugal cooling fans. The disclosed construction provides for increased dissipation of heat that is generated by the motor and its electronic components. In this configuration, the printed circuit boards and other electronic components are located in such a manner that air can be circulated in a path to remove heat from these components.
摘要翻译：公开了一种开关磁阻电动机的改进设计，其在运行期间保持电机冷却，从而提高电动机的性能和可靠性。改进的设计采用安装在电机轴上的三个离心式风扇，用于产生两个独立的气流路径，其中一个空气冷却电机的电子部件。改进的设计还将由单个印刷电路板执行的功能划分为两个电路板，上电路板和下电路板。改进设计的另一个特征包括将位置/速度感测编码器紧邻在一个离心式冷却风扇之下。所公开的结构提供了由电动机及其电子部件产生的增加的热耗散。在这种配置中，印刷电路板和其它电子部件以这样一种方式定位，使得空气可以在路径中循环以从这些部件移除热量。

4. 发明授权

US4694275A Digital capacitance incremental encoder 失效
标题翻译：数字电容增量式编码器
公开(公告)号：US4694275A
公开(公告)日：1987-09-15
申请号：US858345
申请日：1986-05-01
申请人： Karmen D. Cox
发明人： Karmen D. Cox
IPC分类号： G01D5/241 , G01D5/244 , H03M1/30 , H03M1/22
CPC分类号： G01D5/24404 , G01D5/2415 , H03M1/30
摘要： A system for encoding position information includes a grid of evenly spaced, parallel conductive lines fixed with respect to one of two mechanical parts, the grid being disposed along the line of movement of the parts. Two pairs of interdigitated electrodes capacitively sense the conductive lines of the grid, the electrodes being fixedly disposed on the other mechanical part. Decoding circuitry is responsive to the electrodes for providing relative movement information. The fingers of each electrode are disposed substantially parallel to the grid lines, the capacitance of each electrode with respect to the grid being a function of the proximity of the fingers of that electrode to the grid lines. The decoding circuitry includes first and second latches whose outputs are a function of which electrode of its corresponding pair has the greater capacitance to the grid. The second pair of interdigitated electrodes is offset from the first pair such that its ouput differs from that of the first pair. The decoding circuitry further includes circuitry responsive to the output of the latches for determining the direction of travel of the mechanical parts with respect to each other.
摘要翻译：用于编码位置信息的系统包括相对于两个机械部件中的一个固定的均匀间隔的平行导电线的栅格，栅格沿着部件的移动线设置。两对叉指电极电容地感测格栅的导线，电极固定地设置在另一机械部件上。解码电路响应于电极以提供相对运动信息。每个电极的指状物基本上平行于栅格线设置，每个电极相对于栅格的电容是该电极的指状物与栅格线的接近度的函数。解码电路包括第一和第二锁存器，其输出是其相应对的哪个电极具有与电网相比更大的电容的函数。第二对交叉电极与第一对偏移，使得其输出与第一对不同。解码电路还包括响应于锁存器的输出的电路，用于确定机械部件相对于彼此的行进方向。

5. 发明授权

US4068179A Electronic cycle-select switching system 失效
标题翻译：电子循环选择开关系统
公开(公告)号：US4068179A
公开(公告)日：1978-01-10
申请号：US686811
申请日：1976-05-17
申请人： Steven B. Sample , Paul R. Scheuer , Karmen D. Cox
发明人： Steven B. Sample , Paul R. Scheuer , Karmen D. Cox
IPC分类号： G05B19/10 , H03K17/00 , G01R29/02 , H03K5/00
CPC分类号： G05B19/106
摘要： A cycle-select switching system for automatic appliances and the like of the type for selectively performing any one of a plurality of distinct operating cycles. The switching system comprises selection means having a plurality of outputs, each corresponding to one of the operating cycles, and a momentary contact switch for producing a control signal of variable time duration. The selection means is responsive to the control signal by sequentially advancing to the output defined by a selected time duration of the control signal and thereby initiating the operating cycle corresponding thereto.
摘要翻译：一种用于自动电器等的循环选择开关系统，用于选择性地执行多个不同操作循环中的任何一个。开关系统包括具有多个输出的选择装置，每个输出对应于一个操作周期，以及用于产生可变持续时间的控制信号的瞬时接触开关。选择装置通过依次前进到由控制信号的选定持续时间定义的输出，从而启动对应于其的操作周期，来响应控制信号。

6. 发明授权

US5014908A Control circuit using a sulphonated fluorocarbon humidity sensor 失效
标题翻译：使用磺化氟碳湿度传感器的控制电路
公开(公告)号：US5014908A
公开(公告)日：1991-05-14
申请号：US441753
申请日：1989-11-27
申请人： Karmen D. Cox
发明人： Karmen D. Cox
IPC分类号： G01N27/22
CPC分类号： G01N27/225
摘要： A control circuit (1) for use in a humidifier (H). A capacitor functioning as a humidity sensor (55) includes a sulphonated fluorocarbon material acting as the dielectric (57) of the capacitor. The material is sandwiched between sheets (59a, 59b) of a screen material which act as plates of the capacitor. An RC oscillator (53) has a variable frequency output and incorporates the capacitor. Changes in the dielectric value of the material due to sensed changes in humidity produce changes in the oscillator output frequency. A DC voltage is supplied to the oscillator. The amount of voltage impressed on the sensor at relatively high-humidity levels is controlled to prevent leakage currents caused when the material is exposed thereto. The generation of such leakage currents otherwise adversely effects sensor operation. Operation of the circuit to control operation of the humidifier is also described.
摘要翻译：一种用于加湿器（H）的控制电路（1）。用作湿度传感器（55）的电容器包括用作电容器的电介质（57）的磺化碳氟化合物材料。材料被夹在作为电容器板的屏幕材料的片材（59a，59b）之间。 RC振荡器（53）具有可变频率输出并且包含电容器。由于感测到的湿度变化导致的材料介电值的变化会导致振荡器输出频率的变化。向振荡器提供直流电压。控制在相对高湿度水平下施加在传感器上的电压量，以防止当材料暴露于其时引起的漏电流。这种泄漏电流的产生否则会不利地影响传感器的操作。还描述了控制加湿器操作的电路的操作。

7. 发明授权

US5517746A Variable speed direct drive drill press/router 失效
标题翻译：变速直接驱动钻床/路由器
公开(公告)号：US5517746A
公开(公告)日：1996-05-21
申请号：US302201
申请日：1994-09-08
申请人： Karmen D. Cox , George E. Hendrix
发明人： Karmen D. Cox , George E. Hendrix
IPC分类号： B23B47/18 , B23Q5/10 , H02K7/14 , H02K11/00 , H02K29/06 , B23P23/02
CPC分类号： B23Q5/10 , H02K29/06 , H02K7/14 , H02K11/00 , Y10T29/50 , Y10T29/5107 , Y10T408/65 , Y10T409/309352
摘要： A variable speed direct drive drill press/router is disclosed. The drill press/router includes a housing supported above a horizontal bed which contains a generally vertically extending spindle that is rotatably mounted within and partially extends below the housing. A manually engageable or motor driven driver axially moves the spindle predetermined distances toward and away from the horizontal bed. For driving the spindle, a switched reluctance motor is mounted at the upper end of the housing for rotary driving engagement at a desired range of predetermined speeds throughout the entire range of axial movement of the spindle. The lower end of the spindle is capable of interchangeably receiving a workpiece rotating tool such as a drill or router for drilling or routing a workpiece.
摘要翻译：公开了一种变速直接驱动钻床/路由器。钻床/路由器包括支撑在水平床上方的壳体，其包含大致垂直延伸的主轴，其可旋转地安装在壳体内部并且部分地延伸到壳体的下方。手动接合或马达驱动的驱动器使主轴轴向地移动预定距离并且远离水平床。为了驱动主轴，开关磁阻电动机安装在壳体的上端，用于在轴的轴向运动的整个范围内以预定速度的期望范围进行旋转驱动接合。主轴的下端能够互换地接收工件旋转工具，例如用于钻孔或布置工件的钻头或路由器。

8. 发明授权

US5703456A Power converter and control system for a motor using an inductive load and method of doing the same 失效
标题翻译：使用感性负载的电机的功率转换器和控制系统及其做法
公开(公告)号：US5703456A
公开(公告)日：1997-12-30
申请号：US452419
申请日：1995-05-26
申请人： Karmen D. Cox
发明人： Karmen D. Cox
IPC分类号： H02M3/158 , H02P25/08 , H02F7/36
CPC分类号： H02M3/158 , H02P25/089 , H02P25/092 , H02P25/0925
摘要： A power converter and controller system for a motor using an inductive load, such as a switched reluctance motor, which provides enhanced motor performance. The improved power converter and controller system accomplishes this by using a return bus having a storage device for storing energy. A controller monitors both the in the inductive load and the energy stored in the storage device and dynamically controls the storage device and the inductive load to dynamically control the current in the inductive load and the voltage on the storage device.
摘要翻译：用于使用感性负载的电动机的功率转换器和控制器系统，例如开关磁阻电动机，其提供增强的电动机性能。改进的功率转换器和控制器系统通过使用具有用于存储能量的存储装置的返回总线实现这一点。控制器监视感应负载和存储在存储装置中的能量，并动态地控制存储装置和感性负载以动态地控制感性负载中的电流和存储装置上的电压。

9. 发明授权

US4641557A Electronically controlled power saw 失效
标题翻译：电子控制电锯
公开(公告)号：US4641557A
公开(公告)日：1987-02-10
申请号：US685918
申请日：1984-12-26
申请人： Robert E. Steiner , Karmen D. Cox , Daniel A. Terpstra , James J. Metzger, Jr. , Steven H. Plume
发明人： Robert E. Steiner , Karmen D. Cox , Daniel A. Terpstra , James J. Metzger, Jr. , Steven H. Plume
IPC分类号： B23D45/02 , B23D45/06 , B23D47/02 , B23D59/00 , G05B19/401 , B26D5/30
CPC分类号： B23D47/025 , B23D45/025 , B23D45/068 , B23D59/002 , B23D59/008 , G05B19/4015 , Y10T83/175 , Y10T83/7697 , Y10T83/7772 , Y10T83/8696 , Y10T83/8773
摘要： A power saw includes a motor for driving a saw blade or the like around its rotational axis to cut a workpiece. The position of the rotational axis with respect to a reference position is sensed and a manually operated keyboard is provided for entering a desired change in the position of the rotational axis. Positioning motors are provided along with circuitry which is responsive to the entering of a desired change in the position of the rotational axis of the saw blade for moving the axis correspondingly.
摘要翻译：电动锯包括用于围绕其旋转轴线驱动锯片等的电动机，以切割工件。检测旋转轴线相对于基准位置的位置，并提供手动操作的键盘，用于输入旋转轴线位置的期望变化。定位马达与电路一起提供，该电路响应于锯齿的旋转轴线的位置的期望变化的响应，以相应地移动轴线。

10. 发明授权

US4047082A Variable threshold starting circuit for induction motor 失效
标题翻译：感应电机可变门限启动电路
公开(公告)号：US4047082A
公开(公告)日：1977-09-06
申请号：US610124
申请日：1975-09-04
申请人： Paul R. Scheuer , Karmen D. Cox , Steven B. Sample
发明人： Paul R. Scheuer , Karmen D. Cox , Steven B. Sample
IPC分类号： H02P1/42 , H02P1/44
CPC分类号： H02P1/42
摘要： A circuit for the automatic starting of an induction motor of the type having a sensing means for producing a signal proportional to the main winding current and control means for allowing current flow through a start winding only when energized by a start winding control signal. The starting circuit includes means for continuously producing a variable threshold level which is proportional to a condition capable of affecting the current level in the main winding and which defines an adjustable threshold switching level. A comparison means continuously compares the adjustable threshold switching level to the signal proportional to the main winding current and, whenever the latter signal exceeds the former, the comparison means generates a start winding control signal which activates the start winding control means thereby establishing current flow through the start winding. When the main winding current decreases to a sufficient extent, the comparison means is characterized by the absence of a start winding control signal whereby the start winding control means will block the flow of current through the start winding.
摘要翻译：用于自动启动具有用于产生与主绕组电流成比例的信号的感测装置的类型的感应电动机的电路和用于仅当通过起动绕组控制信号通电时允许电流流过起动绕组的控制装置。启动电路包括用于连续产生与能够影响主绕组中的电流电平的条件成比例的可变阈值电平并且限定可调阈值开关电平的装置。比较装置连续地将可调阈值开关电平与与主绕组电流成比例的信号进行比较，并且每当后一信号超过前者时，比较装置产生起动绕组控制信号，其启动起动绕组控制装置，从而建立电流流过开始卷曲。当主绕组电流下降到足够的程度时，比较装置的特征在于没有启动绕组控制信号，由此起动绕组控制装置将阻止通过起动绕组的电流流动。

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