Patent ID: 7305830
Filing Date: 2007-12-11
Classification: F02C

Abstract:
1. An inlet tube for supplying fuel to a manifold of a combustor in a gas turbine engine, the inlet tube comprising: a tube body having first and second ends; a first longitudinal channel defined in the tube body, the first longitudinal channel having an outlet in fluid communication with the manifold and a side feed inlet located in an outer surface of the tube body between the first and second ends, the side feed inlet being disposed within a first circumferential groove defined in the outer surface, the first circumferential groove forming a first circumferential channel when the inlet tube is received within a mating part of an engine casing; and two O-rings concentric with each other and disposed about the tube body at longitudinally spaced apart points thereon, the two O-rings being disposed on opposite sides of the side feed inlet of the first longitudinal channel to sealingly enclose the side feed inlet between the two O-rings when the tube body is received within said mating part.