Bird impact resistant vortex device carrier of a fuel chamber dome

摘要

A backing support or bumper mounted downstream of the disk shaped flange of the venturi in adjacently lying fuel cup assemblies and extends to a mid portion of each flange to prevent rotation of the flange and possible disengagement of the fuel nozzle in the event of a bird strike or impact by a foreign object on the dome of the combustor or on the flange itself. The invention provides for a single or double supporting bumper faces or a pair of supporting surfaces on the bumper.