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公开(公告)号：US11626265B2
公开(公告)日：2023-04-11
申请号：US17418070
申请日：2019-12-26
发明人： Chad R. Mittelstadt
摘要： A trip unit for a circuit breaker includes a magnetic flux transfer system that employs a permanent magnet(s) and solenoid(s) with a ferromagnetic core. The system generates an attractive force using a solenoid to counter the force of a reset spring and latch friction force when a tripping condition is detected. The generated attractive force together with an attractive force from the magnet attracts a yoke which in turn moves the yoke together with an armature to the tripped position. The system also retains the yoke and armature in the tripped position using the attractive force of the magnet when the generated attractive force is no longer being generated. The system further generates a repulsive force using a solenoid when a resettable condition is satisfied to counter the attractive force of the magnet thereby allowing the yoke and armature to move from the tripped position to the reset position.
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公开(公告)号：US10115552B2
公开(公告)日：2018-10-30
申请号：US14969501
申请日：2015-12-15
发明人： Chad R. Mittelstadt
摘要： A retrofit CAFI/GFI remote control module may provide dual function protection for simple thermal-magnetic circuit breakers in a residential load center with arc fault and ground fault protection. The module provides line sensors and electronic processing to detect ground faults or arc faults, or both, and operates a bistable relay between the branch breaker and the load to open the circuit, which can then be remotely or manually reset.
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公开(公告)号：US20220199345A1
公开(公告)日：2022-06-23
申请号：US17130179
申请日：2020-12-22
发明人： Chad R. Mittelstadt
摘要： A circuit breaker can include a light source, an optical sensor, a handle and a processor. The handle can be movable between different handle positions which correspond to different circuit breaker statuses. The handle can include a handle body and a light control plate which moves along with the handle body. The light control plate can have different light passage regions each of which is configured to be positioned between the light source and the optical sensor when the handle is moved to a corresponding one of the different handle positions. Each of the different light passage regions allows a different amount of light emitted from the light source to pass to the sensor when positioned between the light source and the sensor. The processor is configured to determine a status of the circuit breaker based on the sensed amount of light which relates to a position of the handle.
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4.发明授权One axis shutter with a pin-based bus system for miniature circuit breaker load centers 有权单轴快门，带有基于引脚的总线系统，用于微型断路器负载中心公开(公告)号：US09564741B1
公开(公告)日：2017-02-07
申请号：US14802483
申请日：2015-07-17
发明人： Chad R. Mittelstadt
IPC分类号： H02B1/14 , H02B1/06 , H01R13/447 , H01H9/22 , H01R13/453 , H02B1/20
CPC分类号： H01H71/08 , H01H9/22 , H01R13/447 , H01R13/4538 , H02B1/056 , H02B1/06
摘要： Apparatus for substantially eliminating exposure to live parts in a load center includes a bus assembly with male-terminal stabs which are capped with nonconductive material. A nonconductive structure covers the bus assembly and allows only the stabs to pass into the interior of circuit breaker compartments. A shutter assembly in each circuit breaker compartment has a nonconductive shutter plate that moves only in the Z axis to provide access to the stabs when a circuit breaker is inserted with a Z axis motion. Inserting the circuit breaker in the load center causes a shutter plate latch to open and depress the shutter. When the circuit breaker is removed from the load center, the shutter plate is biased upward and latched in a position over the stabs. No live touch points are available in the load center.
摘要翻译： 用于基本上消除暴露在负载中心中的带电部件的装置包括具有带有非导电材料的阳极端子刺的总线组件。 非导电结构覆盖总线组件，并且仅允许刺针进入断路器隔室的内部。 每个断路器室中的闸门组件具有非导电快门板，其仅在Z轴运动时移动，以在以Z轴运动插入断路器时提供对桩的接近。 将断路器插入负载中心会使快门板闩锁打开并按下快门。 当断路器从负载中心移除时，挡板向上偏置并锁定在插针上方的位置。 负载中心没有可用的触摸点。
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公开(公告)号：US09437385B1
公开(公告)日：2016-09-06
申请号：US14802574
申请日：2015-07-17
发明人： Chad R. Mittelstadt
CPC分类号： H01H71/0264 , H01H9/0264 , H01H71/0271 , H01H71/08
摘要： A miniature plug-on circuit breaker and complementary Load Center breaker compartment provide no exposed live touch points in the load center. The miniature circuit breaker has all terminals surrounded by its case. Line power and line side neutral terminals are accessed through the bottom of the circuit breaker. Load power and load side neutral terminals are accessed from an end panel of the circuit breaker. Load power and load side neutral terminals are covered such that they can only be wired when the circuit breaker is not in a breaker compartment of the complementary Load Center. Cover biasing features, or interference features, or both, can be provided so that an open load side terminal cover will have the cover closed upon insertion to the load center, and to prevent a closed load side terminal cover from being opened on an inserted circuit breaker.
摘要翻译： 微型插入式断路器和互补的负载中心断路器箱在负载中心内不提供暴露的实时触点。 小型断路器的所有端子都被其外壳包围。 线路电源和线路侧中性端子通过断路器的底部进入。 从断路器的端面板接入负载电源和负载侧中性端子。 负载电源和负载侧中性端子被覆盖，使得只有当断路器不在互补负载中心的断路器室中时，它们才能接线。 可以提供盖偏置特征或干涉特征或两者，使得开启负载侧端子盖将在插入到负载中心时将盖关闭，并且防止封闭负载侧端子盖在插入的电路上打开 断路器。
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公开(公告)号：US20230075379A1
公开(公告)日：2023-03-09
申请号：US17986550
申请日：2022-11-14
摘要： A remote controlled miniature circuit breaker includes a helical gear that engages with mating teeth of a slider plate coupled to main contacts of the circuit breaker, the helical gear including a flat portion to allow the sliding plate to slide past the helical gear. A unidirectional motor responds to an external signal to drive the helical gear while engaging the mating teeth of the slider plate, thereby moving the slider plate to close the main contacts. The motor is configured to respond to an external signal to resume the unidirectional rotation of the helical gear to position the flat portion of the gear to allow the slider plate to slide past the helical gear and contact a kicker lever to thereby open the main contacts. A trip lever pivotally mounted separately from the kicker lever, pushes the kicker lever to open the main contacts in a trip operation.
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公开(公告)号：US20220406549A1
公开(公告)日：2022-12-22
申请号：US17353895
申请日：2021-06-22
发明人： Chad R. Mittelstadt
摘要： A modified trip lever for a remote controlled miniature circuit breaker comprises a trip lever and a separate kicker lever, which perform alternate functions to either automatically open the main contacts in response to a trip event or alternately open or close the contacts under remote control. The kicker lever rotates clockwise on a pivot in response to an actuator receiving a remote control open signal, to open the contacts by forcing a transverse tab on the kicker lever against a blade carrying a moveable main contact aligned with a stationary main contact. The kicker lever rotates counterclockwise to close the contacts in response to the actuator receiving a remote control close signal. The trip lever mounted on the same pivot, is configured to automatically open the contacts in response to a trip event, by pushing against the back side of the tab of the kicker lever.
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公开(公告)号：US09692213B2
公开(公告)日：2017-06-27
申请号：US14802700
申请日：2015-07-17
发明人： Chad R. Mittelstadt
摘要： A panelboard is composed of modular units. Each unit has compartments for circuit breakers, side walls, and wiring gutters. A main circuit breaker unit has a main cable compartment having separate compartmentalized routing for power cables, and a compartment for the main breaker. A branch circuit breaker unit is edge connected to the main breaker unit. More branch breaker units may be added. Each branch breaker unit has a bus plane for line power, with pin-shaped stabs extending perpendicularly from its busses. The bus plane is covered by circuit breaker compartments in front and an insulative backplane in back. Branch wiring exit slots in the circuit breaker compartments lead to wiring gutters. Each unit is shaped and dimensioned to be mechanically and electrically connected together to form the whole panelboard. Caps for the wiring gutters are front accessible and constitute a front surface of the finished panelboard.
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公开(公告)号：US11501929B1
公开(公告)日：2022-11-15
申请号：US17353888
申请日：2021-06-22
摘要： A remote controlled miniature circuit breaker includes a helical gear that engages with mating teeth of a slider plate coupled to main contacts of the circuit breaker, the helical gear including a flat portion to allow the sliding plate to slide past the helical gear. A unidirectional motor responds to an external signal to drive the helical gear while engaging the mating teeth of the slider plate, thereby moving the slider plate to close the main contacts. The motor is configured to respond to an external signal to resume the unidirectional rotation of the helical gear to position the flat portion of the gear to allow the slider plate to slide past the helical gear and contact a kicker lever to thereby open the main contacts. A trip lever pivotally mounted separately from the kicker lever, pushes the kicker lever to open the main contacts in a trip operation.
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公开(公告)号：US11271383B2
公开(公告)日：2022-03-08
申请号：US16716877
申请日：2019-12-17
发明人： Chad R. Mittelstadt
摘要： A field programmable circuit breaker receives a measurement of a displacement of a terminal spring element, from a detector associated with the terminal spring element, when a field wire is inserted into the terminal spring element. The terminal spring element provides a wire clamp force in a terminal configured to receive the inserted field wire. A trip current value is determined based on the wire size and a time interval is measured during which the current in the field wire is continuously greater than the trip current value. A trip curve is accessed corresponding to the trip current value to determine whether the measured time interval exceeds a maximum interval indicated by the trip curve. A tripping signal provided to a current monitoring unit interrupts the current when the measured interval exceeds the maximum interval for the measured current to be continuously greater than the trip current value.
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