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    • 1. 发明申请
    • Thermally activated circuit interrupter
    • 热活化断路器
    • US20070247272A1
    • 2007-10-25
    • US11407664
    • 2006-04-20
    • Lucien FontaineStephen Bryant
    • Lucien FontaineStephen Bryant
    • H01H71/16
    • H01H77/04
    • A thermally activated circuit interrupter (10) has a cantilever mounted, snap acting thermostatic disc (16) mounting a movable electric contact (18) that is adapted to move between a contacts engaged position and a tripped, contacts disengaged position. A pivot member (24) is rotatably mounted above the thermostatic disc and movably mounts a latch (26d) that is biased by spring arm (26a) against the edge of the free end of thermostatic disc (16) in the contacts engaged position and is moved under the thermostatic disc when the disc moves to the contacts disengaged position. An arm (24b) of the pivot member transfers motion to a trip indicator button (32) pushing the button to an exposed position upon rotation of the pivot member when the thermostatic disc moves to the tripped configuration and the latch moves under the disc. The trip indicator button also serves as a reset button so that upon cooling of the thermostatic disc to the reset temperature, the button can be depressed transferring motion to the arm (24b) of the pivot member thereby moving the latch from under the disc allowing the disc to move to the contacts engaged configuration.
    • 热激活电路断路器(10)具有悬臂安装的卡扣式恒温盘(16),其安装适于在触点接合位置和跳闸的接触脱离位置之间移动的可移动电触点(18)。 枢转构件(24)可旋转地安装在恒温盘的上方并且可移动地安装由弹簧臂(26a)偏压在触头接合位置的恒温盘(16)的自由端的边缘上的闩锁(26d) 并且当盘移动到触点脱离位置时在恒温盘下方移动。 枢轴构件的臂(24b)将运动转移到跳闸指示器按钮(32),当恒温盘移动到跳闸构造并且闩锁在盘下方移动时,枢转构件旋转时将按钮推动到暴露位置。 跳闸指示器按钮还用作复位按钮,使得当将恒温盘冷却到复位温度时,可以按下按钮将运动传递到枢转构件的臂(24b),从而使闩锁从盘下方允许 光盘移动到触点接合配置。
    • 6. 发明申请
    • Thermal circuit breaker
    • 热断路器
    • US20070115089A1
    • 2007-05-24
    • US11284169
    • 2005-11-21
    • Anand KrishnamurthyStephen BryantWilliam Bentley
    • Anand KrishnamurthyStephen BryantWilliam Bentley
    • H01H71/16
    • H01H73/24H01H71/58
    • A switchable thermal circuit breaker (10) has an automatically resettable, current carrying thermostatic disc (14) cantilever mounted in a housing (12) and carries a movable contact (14b) into and out of electrical engagement with a stationary contact (14c). A disc coupling member (16) is pivotally mounted above the disc and has fingers (16e, 16f) to capture opposed sides of the disc so that the disc coupling member pivots concomitantly with movement of the disc. A radially extending blade (18c) of a pivot member is biased by a spring (18k) into engagement with a stop surface (16k) of the disc coupling member when the contacts are in the engaged position and is movable under the stop arm (16g) when the disc moves to the contacts disengaged position to prevent reengagement of the contacts. Also, mounted on an end of the pivot body is a reset lever and indicator flag (18h) that moves to a position indicative of the contacts disengaged position and can be moved, against to the bias of the spring, to a position in which the blade is moved from under the stop arm to allow the disc to move to the contacts engaged position, assuming the disc is at a suitable temperature. According to a feature of the invention, a pushbutton (24) can be provided to apply a force to the disc coupling member causing it to pivot in a contacts opening direction to manually switch the circuit breaker to the open circuit position.
    • 可切换热断路器(10)具有安装在壳体(12)中的可自动复位的载流恒温盘(14)悬臂,并且将可动触头(14b)运送到与固定触点(14c)电接触 )。 盘联接构件(16)枢转地安装在盘的上方,并具有用于捕获盘的相对侧的指状物(16e,16f),使得盘联接构件伴随着盘的移动而枢转。 枢轴构件的径向延伸的叶片(18c)由弹簧(18k)偏置成与联接构件的止动表面(16k)接合,当接触件处于接合位置时,可在止动件 臂(16g),当盘移动到触点脱离位置时,以防止触点重新接合。 此外,安装在枢转体的端部上的是复位杆和指示标记(18h),其移动到指示触点脱离位置的位置,并且能够抵抗弹簧的偏压而移动到其中 假设盘处于合适的温度,刀片从止动臂下方移动以允许盘移动到触点接合位置。 根据本发明的特征,可以提供按钮(24)以向盘联接构件施加力使其在接触开口方向上枢转以手动地将断路器切换到开路位置。