Patent ID: 9718720
Date: 2017-08-01
CPC Classifications: C03B

Claim:
1. A cooling tube assembly comprising: a cylindrical cooling tube extending from a first end to a second end, the cooling tube having an inner surface, an outer surface, an inner diameter, and an outer diameter, the cooling tube including a first plurality of throughbores and a second plurality of throughbores located axially between the first plurality of throughbores and the second end of the cooling tube, each of the second plurality of throughbores being circumferentially offset from each of the first plurality of throughbores; a nozzle extending from a first end to a second end, the first end of the nozzle being located inside the cooling tube with the first plurality of throughbores being located axially between the second end of the cooling tube and the first end of the nozzle; wherein the nozzle includes a first portion with an outer diameter less than the inner diameter of the cooling tube and a second portion with an outer diameter greater than the inner diameter of the cooling tube; wherein the nozzle includes a bore extending from the first end to the second end, the bore having a first cross-sectional area in a first portion extending from the first end to a junction; and wherein each individual one of the first plurality of throughbores has a cross-sectional area; and wherein the cross-sectional area of each individual one of the first plurality of throughbores is between 5% and 15% of the first cross-sectional area of the bore of the nozzle.