Patent ID: 6116658
Filing Date: 2000-09-12
Classification: F16L,Y10S

Abstract:
A counter torque tube connection for use in a turbine engine, said connection comprising:a first tube comprising a flow passage, a first end, and a second end, said first end having a ballnose connection, said ballnose connection having an outer diameter wherein at least a portion of said outer diameter is threaded, and at least one axial protrusion extending radially outward;a second tube comprising a flow passage, a first end, and a second end, said first end having a ferrule end fitting, said ferrule end fitting comprising an inner surface and a smooth outer surface and configured to receive said ballnose connection, said ballnose connection and said ferrule end fitting further comprising a plurality of interfitting protrusions; anda nut coupled to said second tube configured to secure said first tube to said second tube.