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1. (WO2014197057) CASTELLATED LATCH MECHANISM FOR A GAS TURBINE ENGINE

Pub. No.:    WO/2014/197057    International Application No.:    PCT/US2014/025191
Publication Date: Fri Dec 12 00:59:59 CET 2014 International Filing Date: Fri Mar 14 00:59:59 CET 2014
IPC: F02C 7/20
F01D 25/28
Applicants: UNITED TECHNOLOGIES CORPORATION
Inventors: SAWYERS-ABBOTT, Nigel David
Title: CASTELLATED LATCH MECHANISM FOR A GAS TURBINE ENGINE
Abstract:
A gas turbine engine includes a fan duct including a fan duct inner structure that surrounds a core engine, a fan case that surrounds a fan, a core engine frame, and at least one mechanism configured to secure a portion of the fan duct inner structure to a portion of the core engine frame. The at least one mechanism includes a castellated arcuate portion mounted to one of the fan duct inner structure and the core engine frame and an inwardly projecting retaining feature mounted to the other of the fan duct inner structure and the core engine frame. The castellated arcuate portion is rotatable about an engine central longitudinal axis to position a feature of the castellated arcuate portion proximate to a portion of the inwardly projecting retaining feature to latch the fan duct inner structure.