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    Circuit breaker with improved contact push-off spring
    1.
    发明授权
    Circuit breaker with improved contact push-off spring 失效
    断路器具有改进的触点推出弹簧

    公开(公告)号：US4366354A

    公开(公告)日：1982-12-28

    申请号：US220758

    申请日：1980-12-29

    申请人： Alexander R. Norden

    发明人： Alexander R. Norden

    IPC分类号： H01H71/52 ,  H01H3/32

    CPC分类号： H01H71/529

    摘要： A circuit breaker has contacts engageable as a result of manual operation of a toggle mechanism causing the circuit breaker to close and open when the toggle is in an erect and collapsed condition, respectively. A push-off spring is used to bias a moveable contact away from a stationary contact to accelerate movement of the moveable contact during opening of the circuit breaker. Minimal manual effort is required to close the circuit breaker while providing greatly increased pressure for accelerating opening of the circuit breaker through use of a unique push-off spring which provides a first, lower, degree of resistance to closing of the contacts during the initial operation of the circuit breaker while providing a second, higher, degree of resistance to closing of the contacts after the initial operation. Manual closing of the circuit breaker is unimpeded by the second, higher, degree of resistance after the initial operation of the breaker.

    摘要翻译： 断路器由于手动操作肘节机构而导致触点接合，导致断路器分别在肘节处于直立和塌缩状态时闭合和打开。 推动弹簧用于将可移动触点偏离固定触点，以在断路器打开期间加速可动触点的移动。 需要最小的人工努力来关闭断路器，同时通过使用独特的推出弹簧提供大大增加的压力来加速断路器的开启，该弹簧在初始操作期间提供第一，更低的触点闭合度 的断路器，同时在初始操作之后提供第二次，更高的触点闭合程度的阻力。 在断路器初始运行后，断路器的手动闭合不受第二个较高的电阻程度的影响。

    Self-powered recloser
    7.
    发明授权
    Self-powered recloser 有权

    公开(公告)号：US12074004B2

    公开(公告)日：2024-08-27

    申请号：US18299436

    申请日：2023-04-12

    申请人： ABB Schweiz AG

    发明人： Arda Tueysuez ,  Christoph Budde

    IPC分类号： H01H71/52 ,  H01H71/68 ,  H02H7/22

    CPC分类号： H01H71/529 ,  H01H71/68 ,  H02H7/226

    摘要： A self-powered recloser includes a circuit breaker, an electrical actuator, an electrical generator, a capacitor, and a lever. When in an on state, the circuit breaker harvests power from a medium voltage line required to actuate its movable contact to interrupt current flow in the medium voltage line, and when in an off state, it does not harvest power from the medium voltage line. The electrical actuator is configured to transition the circuit breaker from the off state to the on state. The capacitor when charged is configured to provide the electrical actuator with the electrical power required to transition the circuit breaker from the off state to the on state. The lever is configured to be moved by an operative. Movement of the lever is configured to charge the capacitor via the electrical generator.

    Circuit breaker
    8.
    发明授权
    Circuit breaker 失效
    断路器

    公开(公告)号：US4375628A

    公开(公告)日：1983-03-01

    申请号：US310086

    申请日：1981-10-09

    申请人： James H. Leonard

    发明人： James H. Leonard

    IPC分类号： H01H71/52 ,  H01H71/16

    CPC分类号： H01H71/529

    摘要： A circuit breaker has contacts which are engageable as a result of manual operation of a toggle mechanism causing the circuit breaker to close and open when the toggle is in an erect and collapsed condition, respectively. Subsequent opening of the circuit breaker is accomplished by either manual operation or automatic due to a current responsive latch within the toggle mechanism. As a result of a unique movable contact biasing arrangement, more uniform pressure is obtained between the contacts and a wiping action of the contacts is obtained during closing. The movable contact is mounted on a contact member pivoted at its center on a solid pin mounted in the breaker case through an elongated aperture in the contact member. The elongated aperture allows for a limited degree of movement of the contact member transverse to the pivot pin. It is this limited transverse movement which increases the tolerance range by providing overtravel of the movable contact and wiping action of the contacts.

    摘要翻译： 断路器具有触头，其可以由于手动操作肘节机构而导致断路器分别在肘节处于直立和折叠状态时闭合和打开的结果。 断路器的后续打开通过手动操作或由于在肘节机构内的电流响应闩锁而自动地实现。 作为独特的可动接触偏置装置的结果，在触头之间获得更均匀的压力，并且在闭合期间获得触点的擦拭动作。 可移动触点安装在接触构件上，该接触构件通过接触构件中的细长孔在其中心枢转安装在断路器壳体中的实心销上。 细长的孔允许接触构件横向于枢转销的有限程度的运动。 正是这种有限的横向运动通过提供可动触头的超程和触点的擦拭动作来增加公差范围。