Cover assembly for gas turbine engine rotor

Details Cover assembly for gas turbine engine rotor Cover assembly for gas turbine engine rotor

2011-06-14

2011-06-14

Cuff, Michael (Department: 3741)

Power plants

Combustion products used as motive fluid

Having expansible connection

C060S039370

Reexamination Certificate

active

07958734

ABSTRACT:
A cover assembly disposed about a rotor in a gas turbine engine. The cover assembly comprises a first cover, a second cover, and securing structure. The first cover is disposed about the rotor and comprises a forward end and an opposed aft end. The first cover is associated with a case mounting structure that is fixed to an engine casing. The second cover is disposed about the rotor and comprises a forward end and an opposed aft end. At least a portion of the first cover is disposed radially outwardly from the second cover. The securing structure couples the first cover to the second cover and permits relative radial movement between the first and second covers.

REFERENCES:
patent: 972642 (1910-10-01), Reed
patent: 2851853 (1958-09-01), Quick
patent: 3238718 (1966-03-01), Hill
patent: 4356698 (1982-11-01), Chamberlain
patent: 2006/0225430 (2006-10-01), Paprotna et al.
patent: 2006/0288707 (2006-12-01), Weaver et al.
patent: 2007/0017225 (2007-01-01), Bancalari et al.
U.S. Appl. No. 11/498,479, filed Aug. 3, 2006 entitled “At Least One Combustion Apparatus and Duct Structure for a Gas Turbine Engine”.
U.S. Appl. No. 11/498,480, filed Aug. 3, 2006 entitled “An Axially Staged Combustion System for a Gas Turbine Engine”.
U.S. Appl. No. 12/420,149, filed Apr. 8, 2009 entitled “Modular Transvane Assembly”.

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