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Circuit breaker apparatus including slot-retained armature linkage and methods of fabricating the same

A technology of circuit breaker and circuit breaker mechanism, which is applied to emergency protection devices, protection switch operation/release mechanisms, components of protection switches, etc., can solve the problems of complicated circuit breaker assembly, etc.

Active Publication Date: 2017-05-10
EATON INTELLIGENT POWER LIMITED
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Typically, this linkage is adjusted using hex nuts, jam nuts, and / or other fasteners, which complicate breaker assembly

Method used

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  • Circuit breaker apparatus including slot-retained armature linkage and methods of fabricating the same
  • Circuit breaker apparatus including slot-retained armature linkage and methods of fabricating the same
  • Circuit breaker apparatus including slot-retained armature linkage and methods of fabricating the same

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Embodiment Construction

[0014] Certain exemplary embodiments of the inventive subject matter will now be described with reference to the accompanying drawings. However, the inventive subject matter may also be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; The scope of the subject matter of the invention. In the drawings, like reference numerals refer to like elements. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0015] The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the inventive subject matter. As used herein, the singular forms "a" and "the" are intended to include the plural ...

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PUM

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Abstract

A circuit breaker includes a frame, at least one conductor supported by the frame, and a breaker mechanism supported by the frame and including a trip bar assembly that actuates the breaker mechanism. The circuit breaker also includes a magnetic armature assembly including an armature plate configured to move responsive to a current in the at least one conductor and an elongate link member (e.g., a rod) coupling the armature plate to the trip bar and having at least one flanged portion retained in at least one keyed slot in at least one of the armature plate and the trip bar assembly. The elongate link member may have a narrowed portion sized to allow passage of the link member through a narrowed portion of the at least one keyed slot to facilitate engagement of the at least one flanged portion in the at least one keyed slot.

Description

technical field [0001] The subject matter of the invention relates to a circuit breaker and a method of manufacturing the same, and more particularly to a circuit breaker with a magnetic armature trip mechanism and a method of manufacturing the same. Background technique [0002] A circuit breaker may include a trip mechanism having a magnetically actuated armature for actuating a circuit breaker mechanism that separates contacts in the circuit breaker to open an electrical circuit. In some circuit breakers, the armature includes an armature plate or similar structure that is displaced by the magnetic force generated by current flowing through a conductor (eg, a bus bar) magnetically coupled to the armature plate. Movement of the armature plate causes the trip bar coupled thereto to rotate, causing the circuit breaker mechanism to open the circuit breaker contacts. [0003] In some circuit breakers, the armature plate is coupled to the trip bar with a threaded rod extending...

Claims

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Application Information

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IPC IPC(8): H01H71/24
CPCH01H71/2472H01H71/1009H01H50/643
Inventor B·P·里佐R·L·尤雷克J·P·西斯莉D·E·利特尔
Owner EATON INTELLIGENT POWER LIMITED