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Circuit breaker, fastening assembly therefor, and associated assembly method

A technology for fastening components and circuit breakers, which is applied in the direction of emergency protection devices, emergency protection device manufacturing, circuits, etc., and can solve the problems that epoxy resin cannot be maintained

Pending Publication Date: 2019-10-22
EATON INTELLIGENT POWER LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Occasionally, the epoxy 12 fails to hold, for example due to grease or other contamination on the surface of one or more of the circuit breaker components, among other problems.

Method used

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  • Circuit breaker, fastening assembly therefor, and associated assembly method
  • Circuit breaker, fastening assembly therefor, and associated assembly method
  • Circuit breaker, fastening assembly therefor, and associated assembly method

Examples

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Embodiment Construction

[0015] As used herein, the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. Still further, as used herein, the term "number" shall mean one or more than one integer (eg, a plurality).

[0016] As used herein, the term "coupled" shall mean that two or more parts are joined together directly or through one or more intermediate parts. Furthermore, as used herein, the phrase "directly connected" shall mean that two or more parts are joined directly together without any intermediate parts interposed between them at the point or location of connection.

[0017] As used herein, the term "coupling member" refers to any suitable connecting or tightening mechanism, expressly including, but not limited to, screws, bolts, and combinations of: bolts and nuts (such as but not limited to lock nuts) and bolts, Washers and nuts.

[0018] Figure 2-Figure 5 An electrical switching apparatus according to one non-limiting embodiment of ...

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PUM

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Abstract

The invention relates to a circuit breaker, a fastening assembly thereof and an associated assembly method. The invention discloses a fastening assembly for a circuit breaker. The circuit breaker hasa base and a bimetal. The fastening assembly includes a heater element structured to be coupled to the bimetal and the base, and a plurality of fastening members including a nut and a coupling membercoupled to the nut. The nut is structured to be disposed between the heater element and the bimetal. The coupling member extends through the heater element and into the nut in order to minimize movement of the heater element with respect to the base.

Description

technical field [0001] The disclosed concept relates generally to electrical switching apparatus, and more particularly to electrical switching apparatus such as, for example, circuit breakers. The disclosed concepts also relate to fastening assemblies and methods of assembly for circuit breakers. Background technique [0002] Electrical switching apparatus, such as molded case circuit breakers, typically include at least one pair of separable contacts that are manually operated by a handle provided on the outside of the circuit breaker housing, or by a trip unit in response to a trip condition (eg, without limitation, overcurrent conditions, relatively high level short circuit or fault conditions, ground fault or arc fault conditions) operate automatically. [0003] figure 1 An example of a molded case circuit breaker 2 having a molded case housing 4 and employing a thermal trip assembly 6 is shown. The thermal trip assembly 6 includes a bimetal 8 and a heater element ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H71/02H01H69/00
CPCH01H71/0207H01H69/00H01H37/52H01H71/164H01H71/40H01H71/7436H01H2239/06H01H69/01
Inventor W·G·埃伯特J·C·迈尔斯K·A·瑟尔肯
Owner EATON INTELLIGENT POWER LTD