Low cost circuit controller
    1.
    发明授权
    Low cost circuit controller 失效
    低成本电路控制器

    公开(公告)号:US5617281A

    公开(公告)日:1997-04-01

    申请号:US251873

    申请日:1994-06-01

    CPC分类号: H01C3/00 H01C1/026 H02H9/026

    摘要: A circuit controller for selectively connecting a power source to a load includes a switching mechanism, which selectively connects the power source to the load and switches a current which flows through the switching mechanism, and a substantially radiant energy dissipating positive temperature coefficient current limiter for limiting the current which flows through the switching mechanism. The switching mechanism includes a current sensor, which senses the current flowing through the switching mechanism and provides a sensed current value, and a switching controller for disconnecting the power source from the load whenever the sensed current value is above a predetermined current value. The switching mechanism may include a contactor having separable contacts which are responsive to the switching controller. The current limiter may have a first resistance which results from a first series current, and a higher second resistance which results from a second series current. The ratio of the second resistance to the first resistance may exceed 16. The current limiter may be a tungsten or, alternatively, a carbon conductor. The tungsten conductor dissipates greater than 70 percent of the energy of the short circuit current by radiation. The current limiter may further include a tubular glass cylinder which encloses the conductor therein. The cylinder may have two copper ends, each of which are electrically connected to a corresponding end of the conductor within the cylinder. The cylinder may further enclose a non-oxidizing gas, such as nitrogen, helium, argon, krypton or a halogen gas mixture. The conductor may be wound on a ceramic cylinder within the cylinder.

    摘要翻译: 用于选择性地将电源连接到负载的电路控制器包括切换机构,其选择性地将电源连接到负载并切换流过开关机构的电流,以及基本辐射的能量消散正温度系数限流器,用于限制 流过开关机构的电流。 切换机构包括电流传感器,其感测流过开关机构的电流并提供感测的电流值;以及切换控制器,用于每当检测到的电流值高于预定电流值时将电源与负载断开。 开关机构可以包括具有对开关控制器作出响应的可分离触点的接触器。 电流限制器可以具有由第一串联电流产生的第一电阻和由第二串联电流产生的较高的第二电阻。 第二电阻与第一电阻的比值可以超过16.限流器可以是钨,或者也可以是碳导体。 钨导体通过辐射耗散了短路电流的70%以上的能量。 电流限制器还可以包括将导体包围在其中的管状玻璃圆筒。 圆筒可以具有两个铜端,每个铜端电连接到气缸内的导体的相应端。 气缸还可以包围非氧化气体,例如氮气,氦气,氩气,氪气或卤素气体混合物。 导体可以缠绕在气缸内的陶瓷圆筒上。

    Monitoring device secured to power distribution system conductors
    2.
    发明授权
    Monitoring device secured to power distribution system conductors 失效
    固定在配电系统导体上的监控装置

    公开(公告)号:US5548523A

    公开(公告)日:1996-08-20

    申请号:US262166

    申请日:1994-06-20

    CPC分类号: G01R15/142 G01R21/133

    摘要: Apparatus for monitoring power consumed from anywhere along the conductors in an ac power distribution system includes a housing with through passages through which the conductors extend. Toroidal coils mounted within the housing concentrically with the through passages sense the current in the conductors. Elongated electrically conductive screw fasteners threaded into support blocks mounted on a printed circuit board within the housing extend radially into the through passages to penetrate insulation on the conductors and to electrically contact and mechanically clamp the conductors thereby simultaneously providing a voltage tap and locking the housing to the conductor.

    摘要翻译: 用于监视交流配电系统中沿着导体的任何地方消耗的功率的装置包括具有导体延伸通过的通道的壳体。 安装在壳体内的环形线圈与通路同心地感测导体中的电流。 螺纹连接到安装在壳体内的印刷电路板上的支撑块中的细长的导电螺钉紧固件径向延伸穿过通道以穿透导体上的绝缘,并且电导体和电气接触导体,从而同时提供电压抽头并将壳体锁定 导体。

    Current limiting circuit controller
    3.
    发明授权
    Current limiting circuit controller 失效
    限流电路控制器

    公开(公告)号:US5530613A

    公开(公告)日:1996-06-25

    申请号:US251880

    申请日:1994-06-01

    IPC分类号: H02H3/02 H02H9/02 H02H3/093

    CPC分类号: H02H3/025 H02H9/026

    摘要: A circuit controller for selectively connecting a power source to a load includes a non-overcurrent protective electrical switching mechanism and a conductive polymer current limiter connected in series with the load for limiting the current which flows through the switching mechanism whenever the power source is selectively connected to the load. The conductive polymer current limiter may include a plurality of parallel conductive polymer positive temperature coefficient (PTC) resistors. The circuit controller may include an electrical switching mechanism which, under short circuit conditions, remains selectively connected to the load. The short circuit current which is limited by the conductive polymer current limiter continues to flow through the electrical switching mechanism. The switching mechanism may include a contactor having separable contacts, and may further include a circuit interrupter, in order to provide a separate circuit disconnection mechanism. The electrical switching mechanism may have a coil and the circuit controller may include a voltage sensor. The conductive polymer current limiter may have an output which has a voltage substantially less than the voltage of the power source whenever the short circuit current flows from the power source and through the current limiter. The voltage sensor may be connected to the output of the conductive polymer current limiter and may deenergize the coil in order to open the separable contacts of the contactor and disconnect the power source from the load whenever the voltage of the output drops below a predetermined threshold. The contactor may be a motor-starting contactor.

    摘要翻译: 用于选择性地将电源连接到负载的电路控制器包括非电流保护电气开关机构和与负载串联连接的导电聚合物限流器,用于限制每当选择性地连接电源时流过开关机构的电流 到负载。 导电聚合物限流器可以包括多个平行导电聚合物正温度系数(PTC)电阻器。 电路控制器可以包括电气开关机构,其在短路条件下保持选择性地连接到负载。 由导电聚合物限流器限制的短路电流继续流过电开关机构。 开关机构可以包括具有可分离触点的接触器,并且还可以包括电路断续器,以便提供单独的电路断开机构。 电气开关机构可以具有线圈,并且电路控制器可以包括电压传感器。 只要短路电流从电源流过电流限制器,导电聚合物限流器可具有的输出电压明显小于电源的电压。 电压传感器可以连接到导电聚合物限流器的输出,并且可以在线圈的电压下降到低于预定阈值以下时断开线圈的电能,以便打开接触器的可分离触点并且断开电源与负载的连接。 接触器可以是马达起动接触器。

    Synchronous contactor
    4.
    发明授权
    Synchronous contactor 失效
    同步接触器

    公开(公告)号:US5559426A

    公开(公告)日:1996-09-24

    申请号:US253800

    申请日:1994-06-03

    摘要: A contactor for selectively connecting at least one alternating current (AC) power line to a load and sourcing an AC current having periodic zero crossings includes a fixed contact; a movable contact mechanism; an operating mechanism for engaging and moving the movable contact to an open position in the absence of a closing signal; and a synchronized opening mechanism for disabling the closing signal in synchronization with a zero crossing of the AC current. The operating mechanism is disengaged from the movable contact, in a closed position, by a gap having a predetermined length in order that the contacts are separated at the AC current zero crossing. The contactor may further include a vacuum bottle for enclosing the fixed and movable contact therein. The movable contact may be carried within the vacuum bottle by a bottle stem which protrudes from the bottle and has a surface for engagement by the operating mechanism. The operating mechanism may include a crossbar and an arm having a surface for engaging and moving the bottle stem. The gap may be an overtravel gap between the arm and the bottle stem. The length of the gap may be determined by a length of the bottle stem or, alternatively, by a thickness of the contacts. The synchronized opening mechanism may include an electromagnet which has a coil which is energized in order to generate a closing current and which is deenergized in order to disable the closing current in synchronization with the zero crossing of the AC current. The length of the gap may be determined from a closing velocity of the arm multiplied by a period of the AC current zero crossings. The length of the gap may also be determined from a breakpoint in a plot of an overtravel gap versus contactor contact breaking cycle operations.

    摘要翻译: 用于选择性地将至少一个交流(AC)电力线连接到负载并且提供具有周期性零交叉的AC电流的接触器包括固定触点; 可动接触机构; 操作机构,用于在没有闭合信号的情况下将可动触头接合并移动到打开位置; 以及同步打开机构,用于与交流电流的过零点同步地禁用闭合信号。 操作机构在闭合位置通过具有预定长度的间隙从可动触头脱离,以使触点在交流电流过零点处分离。 接触器还可以包括用于将固定和可动触头封闭在其中的真空瓶。 活动触点可以通过从瓶子突出并具有由操作机构接合的表面的瓶杆在真空瓶内承载。 操作机构可以包括横杆和具有用于接合和移动瓶杆的表面的臂。 间隙可以是臂和瓶茎之间的超程间隙。 间隙的长度可以由瓶杆的长度或可选地由接触件的厚度来确定。 同步打开机构可以包括电磁体,其具有被激励以产生闭合电流的线圈,并且为了与AC电流的过零同步而禁用闭合电流而被断电。 间隙的长度可以根据臂的闭合速度乘以交流电流过零的周期来确定。 间隙的长度也可以从超程间隙对接触器接触断裂循环操作的图中的断点确定。

    Laser cleaning system for a stator slot
    5.
    发明授权
    Laser cleaning system for a stator slot 有权
    用于定子槽的激光清洗系统

    公开(公告)号:US09539668B2

    公开(公告)日:2017-01-10

    申请号:US13738068

    申请日:2013-01-10

    IPC分类号: B23K26/00 B23K26/38 B08B7/00

    CPC分类号: B23K26/38 B08B7/0042

    摘要: A device for removing a coating formed in a slot of a stator core. The device includes a carriage movably attached to a first guide rail assembly to enable movement of the carriage in a longitudinal direction. The device also includes a first drive screw wherein rotation of the first drive screw moves the first guide rail assembly in the longitudinal direction. In addition, the device includes a second guide rail assembly that is attached to the carriage wherein the second guide rail assembly enables movement of the carriage in a direction transverse to the longitudinal direction. Further, the device includes a second drive screw wherein rotation of the second drive screw moves the carriage in the transverse direction. The carriage includes a laser beam emitting head that moves within the slot in either or both the longitudinal or transverse directions wherein the laser beam emitting head emits a laser beam to remove the coating.

    摘要翻译: 一种用于去除形成在定子芯的槽中的涂层的装置。 该装置包括可移动地附接到第一导轨组件以使滑架沿纵向运动的滑架。 该装置还包括第一驱动螺钉,其中第一驱动螺杆的旋转使第一导轨组件沿纵向方向移动。 此外,该装置包括附接到托架的第二导轨组件,其中第二导轨组件能使托架沿横向于纵向移动。 此外,该装置包括第二驱动螺钉,其中第二驱动螺杆的旋转沿横向移动滑架。 滑架包括激光束发射头,其在纵向或横向方向中的任一个或两个中在狭槽内移动,其中激光束发射头发射激光束以去除涂层。

    LASER CLEANING SYSTEM FOR A STATOR SLOT
    7.
    发明申请
    LASER CLEANING SYSTEM FOR A STATOR SLOT 有权
    用于定位槽的激光清洁系统

    公开(公告)号:US20140190948A1

    公开(公告)日:2014-07-10

    申请号:US13738068

    申请日:2013-01-10

    IPC分类号: B23K26/38

    CPC分类号: B23K26/38 B08B7/0042

    摘要: A device for removing a coating formed in a slot of a stator core. The device includes a carriage movably attached to a first guide rail assembly to enable movement of the carriage in a longitudinal direction. The device also includes a first drive screw wherein rotation of the first drive screw moves the first guide rail assembly in the longitudinal direction. In addition, the device includes a second guide rail assembly that is attached to the carriage wherein the second guide rail assembly enables movement of the carriage in a direction transverse to the longitudinal direction. Further, the device includes a second drive screw wherein rotation of the second drive screw moves the carriage in the transverse direction. The carriage includes a laser beam emitting head that moves within the slot in either or both the longitudinal or transverse directions wherein the laser beam emitting head emits a laser beam to remove the coating.

    摘要翻译: 一种用于去除形成在定子芯的槽中的涂层的装置。 该装置包括可移动地附接到第一导轨组件以使滑架沿纵向运动的滑架。 该装置还包括第一驱动螺钉,其中第一驱动螺杆的旋转使第一导轨组件沿纵向方向移动。 此外,该装置包括附接到托架的第二导轨组件,其中第二导轨组件能使托架沿横向于纵向移动。 此外,该装置包括第二驱动螺钉,其中第二驱动螺杆的旋转沿横向移动滑架。 滑架包括激光束发射头,其在纵向或横向方向中的任一个或两个中在狭槽内移动,其中激光束发射头发射激光束以去除涂层。

    Remote controlled inspection vehicle utilizing magnetic adhesion to traverse nonhorizontal, nonflat, ferromagnetic surfaces
    9.
    发明授权
    Remote controlled inspection vehicle utilizing magnetic adhesion to traverse nonhorizontal, nonflat, ferromagnetic surfaces 有权
    遥控检测车辆利用磁性粘附横穿非水平,非平坦,铁磁性表面

    公开(公告)号:US06672413B2

    公开(公告)日:2004-01-06

    申请号:US09995182

    申请日:2001-11-27

    IPC分类号: B62D55065

    摘要: A remote controlled inspection vehicle provides interchangeable modules, permitting the vehicle to be easily configured to perform a wide variety of tasks. The vehicle includes at least one frame module having a pair of drive modules on either side. Each drive module includes a continuous track surrounding a permanent magnet, and is dimensioned and configured to pivot around its longitudinal axis. The frame modules are dimensioned and configured to be hingedly secured to other frame modules, end effectors including various sensors for performing inspections, and tail units to assist in placing the vehicle in the desired environment.

    摘要翻译: 远程控制的检查车辆提供可互换的模块,允许车辆被轻松配置以执行各种各样的任务。 该车辆包括至少一个框架模块,其中任一侧具有一对驱动模块。 每个驱动模块包括围绕永磁体的连续轨道,并且其尺寸和构造成围绕其纵向轴线枢转。 框架模块的尺寸和构造被铰接地固定到其他框架模块,包括用于执行检查的各种传感器的终端执行器以及用于帮助将车辆放置在期望环境中的尾部单元。

    Pressurized camera system
    10.
    发明授权
    Pressurized camera system 失效
    加压相机系统

    公开(公告)号:US5689734A

    公开(公告)日:1997-11-18

    申请号:US703319

    申请日:1996-08-26

    IPC分类号: G03B17/08 G21C17/08 G03B17/00

    CPC分类号: G21C17/08 G03B17/08

    摘要: Camera system for viewing an object located in a region of contamination (e.g., oil, water, particulate matter, or the like). The system is capable of being internally pressurized above ambient pressure, so that the contamination is prevented from entering the camera system to foul the camera. The system includes a housing having an interior and a view port. An electronic sensor is disposed in the housing opposite the port for sensing the object and for generating an electrical output signal that travels along a conductor connected to the sensor. A processor is connected to the conductor for amplifying the output signal. The amplified signal is received by a display monitor which displays an image of the object. The system further includes a quick-disconnect connector which interconnects the housing to a source of pressurized fluid used to pressurize the housing above ambient pressure.

    摘要翻译: 用于观察位于污染区域(例如油,水,微粒物质等)中的物体的照相机系统。 该系统能够在高于环境压力的情况下被内部加压,使得防止污染物进入相机系统以弄脏相机。 该系统包括具有内部和视口的壳体。 电子传感器设置在与端口相对的壳体中,用于感测物体并产生沿连接到传感器的导体行进的电输出信号。 处理器连接到导体以放大输出信号。 放大的信号由显示对象的图像的显示监视器接收。 该系统还包括快速断开连接器,其将壳体与用于将壳体加压到高于环境压力的加压流体源互连。