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    • 1. 发明授权
    • Current limiting circuit interrupter with insulating wedge
    • 带绝缘楔的限流电路断路器
    • US4801772A
    • 1989-01-31
    • US163354
    • 1988-03-02
    • Walter V. BratkowskiJames P. Ellsworth
    • Walter V. BratkowskiJames P. Ellsworth
    • H01H9/32H01H77/10H01H33/06
    • H01H9/32H01H77/10
    • A current limiting circuit interrupter with insulating wedge characterized by a circuit interrupter structure within an insulating housing and having a mechanism for opening and closing separable contacts, the contacts being separately mounted on contact mounting arms that extend in substantially parallel spaced locations to effect current limiting relationship between the arms to cause any arc forming between the opening contacts to blow out of the contacts in a direction away from the spaced contact arms, a dielectric plate-like shutter in the plane extending between the contacts and in the direction opposite the contact arms, the shutter being movable into a gap formed between the separating contacts when the contacts separate, moving mechanism for moving the shutter when the contacts open and reset structure for retracting the shutter when the contacts close.
    • 一种具有绝缘楔形物的限流电路断路器,其特征在于绝缘壳体内具有断路器结构,并且具有用于打开和关闭可分离触点的机构,所述触头分别安装在基本上平行间隔开的​​位置上延伸的接触安装臂上,以实现电流限制关系 在所述臂之间,使得所述开口触点之间的任何电弧形成在远离所述间隔开的接触臂的方向上从所述触头吹出;在所述平面中延伸的所述平面中的电介质板状挡板,并且沿与所述触点臂相反的方向延伸, 当触头分开时,挡板可移动到形成在分离触头之间的间隙中,当触头打开时移动快门的移动机构以及当触点闭合时使快门收回的复位结构。
    • 5. 发明授权
    • Circuit breaker for use on AC and DC circuits
    • 用于交流和直流电路的断路器
    • US4419649A
    • 1983-12-06
    • US318226
    • 1981-11-04
    • Eugene J. WalkerJames P. Ellsworth
    • Eugene J. WalkerJames P. Ellsworth
    • H01H73/48H01H71/40H01H71/16
    • H01H71/40
    • A circuit breaker suitable for use on both AC and DC circuits includes a magnetically permeable core surrounding a current carrying conductor of the circuit breaker. A bimetal member is thermally coupled to the core such that induction heating of the core due to overload AC current flowing through the conductor is operative to deflect the bimetal and actuate a trip device. The circuit breaker also includes a pair of braided copper shunts connected between the conductor and the bimetal such that resistive heating of the conductor due to overload DC current flow through the breaker will cause the bimetal to deflect and actuate a trip device. The bimetal is mechanically isolated from the conductor such that relative movement therebetween will not affect thermal calibration of the circuit breaker.
    • 适用于交流和直流电路的断路器包括围绕断路器的载流导体的导磁芯。 双金属构件热耦合到芯,使得由于过载的交流电流流过导体而引起的芯的感应加热可操作以偏转双金属并致动跳闸装置。 断路器还包括连接在导体和双金属片之间的一对编织铜分流器,使得由于过载DC电流导致的导体的电阻加热流过断路器将导致双金属板偏转并致动跳闸装置。 双金属体与导体机械隔离,使得它们之间的相对运动不会影响断路器的热校准。