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    • 2. 发明授权
    • Device for sensing electrical current and housing therefor
    • 用于感应电流和其壳体的装置
    • US06642704B2
    • 2003-11-04
    • US09967426
    • 2001-09-28
    • Jerome K. HastingsDavin R. Lee
    • Jerome K. HastingsDavin R. Lee
    • G01R120
    • G01R1/02G01R1/22G01R15/207
    • Disclosed herein is a sensor assembly (10) for attachment to an electrical conductor (5), which includes a base (20) having a cavity (22) and a pair of detector housings (30) extending from the base (20). The detector housings (30) are laterally spaced and substantially parallel and are provided to receive a magnetic field detector. An electronic circuit card (70) is disposed within the base cavity (22) and is operatively coupled to the magnetic field detectors. Additionally, an auxiliary circuit card (90)) that contains logic for detecting an arc fault may be provided for communicating with the electronic circuit card (70).
    • 本文公开了一种用于附接到电导体(5)的传感器组件(10),其包括具有空腔(22)的基座(20)和从基座(20)延伸的一对检测器壳体(30)。 检测器壳体(30)横向间隔开并且基本上平行并且被设置成接收磁场检测器。 电子电路卡(70)设置在基座腔(22)内并且可操作地耦合到磁场检测器。 此外,可以提供包含用于检测电弧故障的逻辑的辅助电路卡(90),用于与电子电路卡(70)通信。
    • 5. 发明授权
    • Apparatus for testing an arc fault circuit interrupter
    • 用于测试电弧故障电路断路器的装置
    • US07307429B1
    • 2007-12-11
    • US11489036
    • 2006-07-19
    • Kevin L. ParkerDale L. GassJerome K. Hastings
    • Kevin L. ParkerDale L. GassJerome K. Hastings
    • G01R31/12H02H3/00
    • G01R31/3277
    • A test apparatus tests an arc fault circuit breaker with an arc fault generator having an input and an output. The test apparatus includes a first electrical connector electrically connected to the load side of an arc fault circuit interrupter. A second electrical connector is electrically connected to the input of the arc fault generator. A third electrical connector is electrically connected to the output of the arc fault generator. A plurality of fourth electrical connectors are electrically connected to one or more of a plurality of masking loads. A fifth electrical connector is electrically connected to another load. A two pole, plural position rotary selector switch provides a plurality of different configurations of at least the arc fault generator and the one or more masking loads downstream of the load side of the arc fault circuit breaker.
    • 测试装置用具有输入和输出的电弧故障发生器来测试电弧故障断路器。 测试装置包括电连接到电弧故障断路器的负载侧的第一电连接器。 第二电连接器电连接到电弧故障发生器的输入端。 第三电连接器电连接到电弧故障发生器的输出端。 多个第四电连接器电连接到多个屏蔽负载中的一个或多个。 第五电连接器电连接到另一负载。 两极多位置旋转选择开关提供至少电弧故障发生器和电弧故障断路器的负载侧下游的一个或多个屏蔽负载的多种不同配置。
    • 6. 发明授权
    • Method of monitoring a contactor
    • 监控接触器的方法
    • US5668693A
    • 1997-09-16
    • US670085
    • 1996-06-25
    • Charles J. TenniesJerome K. HastingsMatthew E. Hastings
    • Charles J. TenniesJerome K. HastingsMatthew E. Hastings
    • H01H50/08H01H47/00H01H47/32H01H47/28
    • H01H47/002H01F2007/185H01H47/325
    • A varying voltage is applied across a coil of a contactor. The varying voltage has a characteristic (frequency) which varies as a function of the position of the armature. The varying voltage is transmitted to a coupler which transmits information to a controller. The coupler may include one or more light sources (LEDs) which are sequentially energized and de-energized to sequentially render a phototransistor conducting and nonconducting. The frequency of the output from the coupler corresponds to the frequency at which the phototransistor is changed between the conducting and nonconducting conditions. A controller determines whether the frequency of the output from the coupler corresponds to the intended position of the armature of the contactor or to an unintended position by comparing the frequency of the output from the coupler to known frequencies for various positions of the armature.
    • 在接触器的线圈上施加变化的电压。 变化的电压具有作为电枢位置的函数而变化的特性(频率)。 变化的电压被发送到向控制器发送信息的耦合器。 耦合器可以包括一个或多个光源(LED),其被依次通电和断电以顺序地使光电晶体管导通和不导电。 耦合器的输出频率对应于光电晶体管在导通条件和非导通条件之间变化的频率。 控制器通过将电枢的各个位置的耦合器的输出频率与已知频率进行比较来确定来自耦合器的输出的频率是否对应于接触器的电枢的预期位置或非预期位置。
    • 7. 发明授权
    • Electromagnetic apparatus
    • 电磁装置
    • US5578979A
    • 1996-11-26
    • US1388
    • 1993-01-06
    • David M. AdamsJerome K. Hastings
    • David M. AdamsJerome K. Hastings
    • H01F7/12H01H50/46H01F7/10
    • H01H50/46H01F7/1205
    • An improved electromagnetic apparatus includes a core and an armature which is movable relative to the core. A shading ring is connected with the core to provide magnetic flux which is out of phase with magnetic flux from the core. The shading ring includes a base formed a first metal and a layer of a second metal clad to the base. The first metal forming the base work hardens and has a greater resistance to fatigue failure induced by vibration than the second metal of the layer which is clad to the base. However, the second metal forming the clad layer has a greater electrical conductivity than the first metal of the base. The base may be formed of aluminum and the layer of metal clad to the base may be formed of copper. The layer of copper may be clad to the base by an extrusion process.
    • 改进的电磁装置包括可相对于芯移动的芯和电枢。 阴影环与芯连接以提供与来自芯的磁通异相的磁通。 遮光环包括形成第一金属的基底和覆盖到基底的第二金属层。 形成基体工件的第一金属硬化,并且比包覆到基底的层的第二金属具有比由振动引起的疲劳破坏更大的阻力。 然而,形成覆层的第二金属具有比基底的第一金属更大的导电性。 基底可以由铝形成,并且包覆到基底的金属层可以由铜形成。 铜层可以通过挤出工艺包覆到基体中。
    • 8. 发明授权
    • Electronic control for 3-wire DC coils
    • 3线直流线圈的电子控制
    • US5510951A
    • 1996-04-23
    • US283464
    • 1994-08-01
    • Gunars BriedisJerome K. HastingsMichael R. Scharnick
    • Gunars BriedisJerome K. HastingsMichael R. Scharnick
    • H01H47/32H01H47/04
    • H01H47/325
    • A contactor has an armature, a pull-in coil and a holding coil. When the system is energized through a first switch such as a thermostat, the low current holding coil is energized in preparation for holding the armature pulled in after the pull-in coil is energized and the armature has finished its power stroke. A solid-state switching device and the pull-in coil are connected in series between both terminals of a power source. A control circuit causes the solid-state switching device to be conductive the instant power is supplied to the circuit through the first switch. One embodiment of the control circuit is based on logic gates. RC circuits associated with the gates keep the solid-state switching device and pull-in coil conducting long enough for the armature to pull-in. After the solid-state switching device turns on, the transistor is controlled to turn off, deenergizing the pull-in coil while the holding coil holds the armature in until the first switch opens and power input is discontinued. Another embodiment, based on a programmable timer, delivers current pulses to the pull-in coil at uniform periodicity until the armature is pulled in. After the armature is pulled in, pulse signals are shunted from the solid-state switching device so it turns off, and current pulses through the pull-in coil are discontinued, while the holding coil holds the armature in pulled-in condition until the first switch is opened.
    • 接触器具有电枢,拉入线圈和保持线圈。 当系统通过诸如恒温器的第一开关通电时,为了保持拉入线圈中的电枢并且电枢已经完成其动力冲程,准备保持低电流保持线圈。 固态开关器件和引入线圈串联连接在电源的两个端子之间。 控制电路使得固态开关器件导通,该瞬间功率通过第一开关提供给电路。 控制电路的一个实施例基于逻辑门。 与栅极相关的RC电路保持固态开关器件和引入线圈导通足够长以使衔铁拉入。 在固态开关器件导通之后,晶体管被控制为截止,当保持线圈保持衔铁直到第一开关断开并且电力输入被停止时,导通线圈断电。 基于可编程定时器的另一个实施例以均匀的周期性将电流脉冲传送到引入线圈,直到电枢被拉入。在电枢被拉入之后,脉冲信号从固态开关器件分流,从而关断 并且通过引入线圈的电流脉冲停止,而保持线圈将电枢保持在拉入状态,直到第一开关断开。
    • 9. 发明授权
    • High speed electromagnetic mechanical switch
    • 高速电磁机械开关
    • US4521757A
    • 1985-06-04
    • US406615
    • 1982-08-09
    • Jerome K. HastingsJames H. BigelowRobert L. Pearson
    • Jerome K. HastingsJames H. BigelowRobert L. Pearson
    • H01H51/12H01H51/24
    • H01H51/12
    • A high speed electromagnetically actuated electromechanical switch is provided by a bistable electric snap blade operated by an electromagnetic actuator. A magnetically permeable yoke directs the flux paths of a pair of coaxial coils. An armature plunger shuttles axially reciprocally in the coils between first and second positions. The snap blade has a pair of cantilever arms extending towards each other to engage the armature plunger in the gap therebetween for lateral flexing actuation. Energization of a given coil provides a primary flux path around that coil through the yoke and the armature plunger, and provides a secondary flux path around both coils through the yoke and the armature plunger. The primary flux path force around either coil is always stronger than the secondary path.
    • 高速电磁致动机电开关由电磁执行器操作的双稳态电动快速叶片提供。 磁导磁轭引导一对同轴线圈的磁通路径。 电枢柱塞在第一和第二位置之间的线圈中轴向往复运动。 卡扣叶片具有一对彼此延伸的悬臂,以在其间的间隙中与衔铁柱塞接合以进行横向弯曲致动。 给定线圈的通电提供绕线圈和电枢柱塞围绕该线圈的主要磁通路径,并且通过轭和电枢柱塞提供围绕两个线圈的次级磁通路径。 绕线圈周围的主要通路力总是比次级路径强。
    • 10. 发明授权
    • Shared flux reciprocal electromagnetic actuator
    • 共享磁通互惠电磁执行器
    • US4486728A
    • 1984-12-04
    • US406614
    • 1982-08-09
    • Jerome K. HastingsJames H. Bigelow
    • Jerome K. HastingsJames H. Bigelow
    • H01F7/16H01F7/08
    • H01F7/1607H01F2007/085H01F2007/1692
    • An electromagnetic actuator is provided by an armature plunger which reciprocally shuttles between magnetic paths having common overlapping portions through the plunger. A magnetically permeable yoke directs the flux paths of a pair of coaxial coils. When either coil is energized, a first flux path is created around that coil through the plunger and a second flux path is created around both coils through the plunger. The first path pulls the plunger to close an axial magnetic air gap. The second path holds the plunger in place. The ratio of the permeances of the two paths is controlled such that one path always overpowers the other, to insure plunger movement in either direction.
    • 电磁致动器由电枢柱塞提供,电枢柱塞在通过柱塞的共同重叠部分的磁路之间往复运动。 磁导磁轭引导一对同轴线圈的磁通路径。 当两个线圈通电时,通过柱塞围绕该线圈产生第一磁通路径,并且通过柱塞围绕两个线圈产生第二磁通路径。 第一路径拉动柱塞以闭合轴向磁气隙。 第二路径将柱塞保持在适当位置。 控制两个路径的磁导率的比例使得一个路径总是超过另一个路径,以确保柱塞在任一方向上移动。