Fan case and mount ring snap fit assembly

摘要

A disclosed fan containment case includes a mount ring that supports a portion of the engine core. The mount ring includes openings and features that define a mounting location for the gas turbine engine. The example fan containment case includes a generally cylindrically shaped fan case that extends between an open front end and an open rear end. The mount ring is secured onto an outer surface of the fan case and includes a mounting lug and a plurality of openings for attachment of gas turbine engine components.

主权项

1. A fan containment case comprising:
a plurality of composite layers defining a generally cylindrical case including an outer surface and a back end, wherein the plurality of composite layers define an axial length for surrounding a plurality of fan blades; and a mount ring secured to the outer surface of the cylindrical case at the back end, the mount ring being comprised of a metal, wherein the mount ring includes an axial locating feature abutting the back end of the cylindrical case for locating the mount ring relative to the cylindrical case and the mount ring includes a lead-in chamfer for guiding the mount ring onto the back end of the cylindrical case.