NOZZLES FOR LIQUID COOLED PLASMA ARC CUTTING TORCHES WITH CLOCKING-INDEPENDENT PASSAGES
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United States of America Patent
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Jul 15, 2021
app pub date -
Jan 8, 2021
filing date -
Jan 9, 2020
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Abstract
A nozzle for a liquid cooled plasma arc cutting torch is provided. The nozzle includes a hollow nozzle body and a nozzle jacket disposed about an external surface of the nozzle body. The jacket defines (i) a length along the central longitudinal axis and (ii) a diameter of a distal tip of the jacket at the distal region of the nozzle, where the length is greater than about 1.5 inches and a ratio of the length to the diameter is greater than about 1.4. The nozzle also includes a coolant inlet and a coolant outlet defined between the nozzle body and nozzle jacket at the proximal region of the nozzle. The nozzle further includes a plurality of coolant channels cooperatively defined between the nozzle body and the nozzle jacket. The plurality of coolant channels extend axially between the proximal region and the distal region of the nozzle.
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