Plasma arc cutting system, consumables and operational methods
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United States of America Patent
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Jan 29, 2019
Grant Date -
Sep 28, 2017
app pub date -
Mar 28, 2017
filing date -
Mar 28, 2016
priority date (Note) -
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Abstract
The invention features methods and apparatuses for liquid cooling a plasma arc torch. An electrode is provided including a body having a longitudinal axis defining a first end, a second end, and a middle portion. The electrode includes a first sealing element disposed on an exterior of the body near the first end; a second sealing element disposed on the exterior of the body located in the middle portion, the second sealing element configured to provide a first gas seal to a swirl gas chamber and defining a portion of the swirl gas chamber; and a third sealing element disposed on the exterior of the body, the third sealing element located between the second sealing element and the second end, the third sealing element configured to provide a second gas seal to the swirl gas chamber and defining a portion of the swirl gas chamber.
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