B - Operations – Transporting – 23 – K
Patent
B - Operations, Transporting
23
K
B23K 5/00 (2006.01) H05H 1/34 (2006.01)
Patent
CA 2174019
A plasma arc torch having a nozzle assembly positioned adjacent the discharge end of the electrode of the torch, and wherein the nozzle assembly comprises a nozzle base defining an annular outer surface and a lower nozzle member defining an annular inner surface which is spaced from the outer surface so as to define an annular water passageway therebetween. The annular water passageway defines an angle with the longitudinal axis of the torch which is less than about 30° which provides both an efficient cooling of the nozzle assembly and constriction of the plasma arc, and without unduly cooling the plasma arc.
Chalumeau à arc de plasma comprenant une buse contiguë au bout distributeur de l'électrode du chalumeau, où la buse comprend une base définissant une surface extérieure annulaire et un élément inférieur définissant une surface intérieure annulaire qui est espacée de la surface extérieure de façon à définir entre les deux un conduit d'eau annulaire. Le conduit d'eau annulaire définit un angle avec l'axe longitudinal du chalumeau, inférieur à environ 30 degrés, ce qui permet un refroidissement efficace de la buse et une constriction de l'arc de plasma, sans un refroidissement excessif de ce dernier.
Esab Group Inc. (the)
Sim & Mcburney
LandOfFree
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