Turbomachine inner casing fitted with a heat shield

Details Turbomachine inner casing fitted with a heat shield Turbomachine inner casing fitted with a heat shield

2006-02-23

2009-11-10

Look, Edward (Department: 3745)

Rotary kinetic fluid motors or pumps

Including thermal expansion joint

C415S173100, C415S178000

Reexamination Certificate

active

07614845

ABSTRACT:
The present invention relates to an improvement in the clearances12between a casing and the moving blades11of a rotor1of a turbomachine, in particular a casing provided for this purpose, and also to a turbomachine fitted with such a casing. The invention applies in particular to aircraft turbojet engines.It relates more particularly to a turbomachine inner casing21comprising a plurality of annular shrouds23that are provided with flanges24for joining two adjacent shrouds23together. According to the invention, this inner casing21further includes:at least one circumferential heat shield5covering the flanges24in contact with two adjacent shrouds23; anda cavity6filled with a first thermal insulation8, said cavity being located between a concave internal surface51a, 52aof the heat shield5and the flanges24.The heat shield5is formed by a plurality of sectors50joined end to end.

REFERENCES:
patent: 778699 (1904-12-01), Nelson
patent: 2427244 (1947-09-01), Warner
patent: 2628067 (1953-02-01), Lombard
patent: 4037751 (1977-07-01), Miller et al.
patent: 4859142 (1989-08-01), Burke et al.
patent: 5127794 (1992-07-01), Burge et al.
patent: 5188507 (1993-02-01), Sweeney
patent: 5330321 (1994-07-01), Roberts et al.
patent: 5662457 (1997-09-01), Bechtel et al.
patent: 6035929 (2000-03-01), Friedel et al.
patent: 6089821 (2000-07-01), Maguire et al.
patent: 6412149 (2002-07-01), Overberg
patent: 2005/0064918 (2005-03-01), Medhin
patent: 2 115 487 (1983-09-01), None
patent: 2 327 466 (1999-01-01), None
patent: 2 388 407 (2003-11-01), None

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