Patent ID: 8037690

Claim:
A fuel manifold for a gas turbine engine comprising: manifold adaptors each supporting a fuel nozzle for outputting fuel from a fuel supply, each manifold adaptor having a primary conduit and a secondary conduit extending between connection ends of the manifold adaptor, the primary conduit and the secondary conduit being side-by-side and respectively in fluid communication with the fuel nozzle to supply fuel to a combustor of the gas turbine engine; transfer units between adjacent manifold adaptors, each transfer unit comprising: a primary transfer tube extending between and sealingly matingly connected at opposite ends to the primary conduits of the adjacent manifold adaptors, the primary transfer tube configured for fuel circulation between the primary conduits; a secondary transfer tube extending between and sealingly matingly connected at opposite ends to the secondary conduits of the adjacent manifold adaptors, the secondary transfer tube configured for fuel circulation between the secondary conduits, the primary and secondary transfer tube being disposed side-by-side; and a drain sleeve extending between and sealingly connected at opposite ends to the adjacent manifold adaptors, the drain sleeve accommodating both the primary transfer tube and the secondary transfer tube substantially along the tubes respective lengths, the drain sleeve sealingly containing the primary and secondary tubes so as to contain any fuel leaks from at least one of the primary and secondary tubes and the junction of the conduits and the transfer tubes, the drain sleeve in fluid communication with the manifold adaptor.