Double wall combustor tile arrangement

• US 20030145604A1
• Filed: 12/30/2002
• Published: 08/07/2003
• Est. Priority Date: 01/15/2002
• Status: Abandoned Application

• Current Assignee: Rolls-Royce PLC (Rolls-Royce Holdings Plc)
• Original Assignee: Rolls-Royce PLC (Rolls-Royce Holdings Plc)
• Inventors: Pidcock, Anthony, Close, Desmond
• Application Number:
  US10/330,329
• Publication Number:
  US 20030145604A1
• Time in Patent Office: Days
• US Class Current: 60/796
• CPC Class Codes: F23R 2900/03041 Effusion cooled combustion chamber walls or domes
• CPC Class Codes: F23R 3/002 Wall structures F23R3/02 and F23R3/007 take precedence
• CPC Class Codes: F23R 3/60 Support structures; Attaching or mounting means

Abstract

A double wall structure (22) for a combustor (15) of a gas turbine engine (10) comprising an inner wall (28) and an outer wall (27), the inner wall (28) comprising a plurality of main tiles (50), the main tiles (50) are secured to the outer wall (27) by a securing means (35), wherein the inner wall (28) further comprises a plurality of edge tiles (52) which are secured to the outer wall (27) by securing means (35), each edge tile (52) overlapping at least one edge (30, 31, 54, 61) of a main tile (50) thereby further securing the main tiles (50) to the outer wall (27).

Claims

13-1. A gas turbine engine comprising a combustor wherein the combustor comprises a double wall structure as claimed in claim 1.

14. A method of assembling a double wall structure of a combustor of a gas turbine engine, the wall structure comprising an outer wall and an inner wall, the method comprising the steps of:

securing a plurality of main tiles to the outer wall by a securing means;

securing a plurality of edge tiles to the outer wall by securing means so that each edge tile overlaps at least one edge of a main tile thereby further securing the main tile to the outer wall.