Patent ID: 8051664

Claim:
A system for mounting an internal fuel manifold within a gas generator case of a gas turbine engine, the system comprising at least one fastener support assembly and at least one receiving element, the receiving element being engaged to the internal fuel manifold and the faster support assembly including at least one faster pin having a radially outer end engaged to the gas generator case and a radially inner end engaging an opening in the receiving element the radially outer end of the fastener pin being received form inside the gas generator case into an internally-facing boss opening in the gas generator case and having a protruding flange which is larger than said boss opening and disposed within the gas generator case, the receiving element defining a bore radially extending therethrough between radially opposed sides of the receiving element, the bore being stepped and defined by openings of a first size in outer portions thereof at each of the opposed sides of the receiving element and having an inner portion defined between the outer portions, the inner portion of the bore having a second size that is greater than the first size such that the stepped bore defines an axially recessed region within the receiving element, and a biasing member disposed within the recessed region of the receiving element and axially extending between the inner portion of the bore having the second size and the fastener pin, the biasing member being radially retained in place by the outer portions of the stepped bore, the biasing member axially preloading a joint between the fastener pin and the receiving element such as to constrain relative movement between the fastener pin and the receiving element in an axial direction but allow relative radial movement therebetween, thereby constraining relative axial movement between the internal fuel manifold and the gas generator case while permitting relative radial movement therebetween.