Circuit breaker with advanced health diagnostics

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12040150
APP PUB NO 20240177958A1
SERIAL NO

18071022

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A diagnostic system for monitoring a mechanical trip mechanism of a circuit interrupter provides advanced diagnostics. The trip mechanism comprises a D-shaft that is actuated by the trip unit, an operating mechanism that is actuated by the D-shaft, and a pole shaft that is actuated by the operating mechanism to physically separate the separable contacts. During every opening operation, the diagnostic system determines how much time elapses between the D-shaft beginning to move to its open position and the pole shaft reaching its open position, in order to detect degradation of the trip mechanism as early as possible. This ensures that suboptimal performance is detected even if the trip mechanism is meeting the minimum requirements for acceptable performance. A user is notified once the performance has degraded to a level that is considered concerning before the trip mechanism fails altogether, saving significant time and resources and preventing more widespread damage.

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Patent Owner(s)

Patent OwnerAddress
EATON INTELLIGENT POWER LIMITEDDUBLIN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Downs, John E Hopedale, US 4 0
Hosko, Daniel A Pittsburgh, US 15 192
Rakus, Paul Richard Coraopolis, US 23 204
Schaltenbrand, Brian J Pittsburgh, US 10 35

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