Circuit breakers, arc expansion chambers, and operating methods
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Dec 8, 2015
filing date -
Dec 8, 2015
priority date (Note) -
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Abstract
A circuit breaker having first and second electrical contacts configured to generate an electrical arc upon being separated, an arc chamber surrounding at least a portion of a space between the first and second electric contacts, at least one expansion chamber positioned proximate to the arc chamber, and an arc pressure control valve assembly configured to allow threshold-based flow into and out of the at least one expansion chamber. An arc pressure control valve assembly and method of operating a circuit breaker are described, as are other aspects.
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