ELECTRICAL SWITCHING DEVICE
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Dec 3, 2021
filing date -
Dec 3, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to an electrical switching device including a nominal contact arrangement, an arcing contact arrangement defining an arcing volume in which an arc-quenching medium is present, an exhaust system including a first exhaust opening connected fluidly to a tank volume, an exhaust channel for dissipating hot medium from the arcing volume into the tank volume, the exhaust system further including a piston arranged in a compression guide and defining on its side opposed to the arcing volume together with the compression guide a compression chamber. An inlet channel is fluidly connected to the compression chamber and extends to an inlet opening fluidly connected to the tank volume, wherein the inlet channel and the exhaust channel are fluidly separated from each other.
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