公开(公告)号：US20180195394A1

公开(公告)日：2018-07-12

申请号：US15864071

申请日：2018-01-08

Applicant: ROLLS-ROYCE plc

Inventor： Neal Carter ,  Sean A. Walters

IPC: F01D5/08 ,  F01D5/30 ,  F01D9/06

Abstract: An assembly for receiving in a radially extending bucket groove (31) of a turbine disc (22), the assembly including a turbine blade having an elongate body (26) of aerofoil cross-section, a root portion (24) at one end of the elongate body (26) and a tip at the other. The root portion (24) configured to be retained in the bucket groove (31). A heat shield (27) configured to be received between an end of the root portion (24) and a radially inner surface of the bucket groove (31) and to interlock with the root portion (24) in a manner which deters separation in a radial direction.

公开(公告)号：US10677064B2

公开(公告)日：2020-06-09

申请号：US15864071

申请日：2018-01-08

Applicant: ROLLS-ROYCE plc

Inventor： Neal Carter ,  Sean A. Walters

IPC: F01D5/08 ,  F01D9/06 ,  F01D5/14 ,  F01D5/32 ,  F01D5/30

Abstract: An assembly for receiving in a radially extending bucket groove (31) of a turbine disc (22), the assembly including a turbine blade having an elongate body (26) of aerofoil cross-section, a root portion (24) at one end of the elongate body (26) and a tip at the other. The root portion (24) configured to be retained in the bucket groove (31). A heat shield (27) configured to be received between an end of the root portion (24) and a radially inner surface of the bucket groove (31) and to interlock with the root portion (24) in a manner which deters separation in a radial direction.