Consumable assembly with internal heat removal elements
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United States of America Patent
Stats
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Aug 31, 2021
Grant Date -
Aug 1, 2019
app pub date -
Apr 9, 2019
filing date -
Oct 12, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A consumable assembly for a plasma arc torch is provided, the consumable assembly including an electrode provided within an interior of a nozzle. The electrode may include a sidewall having one or more fluid passageways formed therethrough, an end wall extending from a distal end of the sidewall, and a central cavity defined by an inner surface of the sidewall and the end wall, the central cavity extending between distal and proximal ends of the electrode. The electrode may further include a heat removal element extending into the central cavity from the inner surface of the sidewall. In one embodiment, the consumable assembly includes a current and gas conduit at the proximal end of the electrode, the current and gas conduit including an interior bore radially aligned with the electrode for collectively delivering a plasma gas, a shield gas, and a vent gas into the central cavity of the electrode.
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