公开(公告)号：US12078069B2

公开(公告)日：2024-09-03

申请号：US17938736

申请日：2022-10-07

申请人： PRATT & WHITNEY CANADA CORP.

发明人： Marc Tardif ,  Alexandre Seguin ,  Sylvain Vignola

IPC分类号： F01D11/00 ,  F01D5/30 ,  F01D5/22

CPC分类号： F01D11/008 ,  F01D5/3007 ,  F01D11/006 ,  F01D5/22 ,  F05D2220/323 ,  F05D2240/55 ,  F05D2240/80

摘要： A rotor assembly has: blades having airfoils and roots protruding from platform segments; a rotor disc having a peripheral face defining recesses, and slots, a recess located between two adjacent ones of the slots and bounded by a step; feather seals located radially between the peripheral face and the platform segments, a feather seal having a core extending from a trailing end to a leading end and overlapping a gap defined between two platform segments and tabs protruding from the core, the tabs including: trailing tabs positioned axially outside the recess; and leading tabs, a leading tab extending from a root to a tip and having one or more of: the tip axially positioned outside of the recess; and a fillet at an intersection between the tip and an edge of the leading tab, the edge extending between the tip and the core, and facing the step.