Aft mounting system for combustion transition duct members

Abstract

A structural support system for the aft end of advanced design combustion transition duct members of specially configured to withstand high temperature gradients and mechanical loads developed in heavy-duty cannular gas turbine combustion systems. A composite element support system is provided for each transition duct member wherein one end of a cylindrical base element is contoured for and welded to the outer wall of its associated transition duct member, while its other end carries a hinge joint of special design to interconnect the transition duct member to a desired mounting member. The circular footprint of the cylindrical base element on the transition duct member wall is configured to minimize thermal and mechanical stresses especially in the weld joint region, while the hinge joint allows relative movement of the connected parts about a desired axis. Additionally, a hinge joint through bolt is torqued to a predetermined value to dampen out unwanted mechanical vibrations.

Dependencies are inferred from the claim text.