The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 21, 2017

Filed:

Aug. 18, 2015
Applicant:

Mtu Aero Engines Ag, Munich, DE;

Inventor:

Martin Hoeger, Erding, DE;

Assignee:

MTU AERO ENGINES AG, Munich, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/12 (2006.01); F02C 7/18 (2006.01); F01D 5/14 (2006.01); F01D 25/26 (2006.01); F02C 3/04 (2006.01);
U.S. Cl.
CPC ...
F02C 7/18 (2013.01); F01D 5/143 (2013.01); F01D 25/12 (2013.01); F01D 25/26 (2013.01); F02C 3/04 (2013.01); F05D 2220/32 (2013.01); F05D 2240/35 (2013.01); F05D 2260/20 (2013.01); Y02T 50/673 (2013.01);
Abstract

The present invention relates to a subassembly for a gas turbine, in particular a gas turbine aircraft engine, having a turbine casing (); a midframe (), which is adjacent downstream to the turbine casing and has a number of support ribs () spaced apart in the peripheral direction. The turbine casing and the midframe define a flow duct () for a working gas exiting a combustion chamber of the gas turbine, and a cavity, in particular a cooling air duct (), with an opening on the flow duct side is formed between the turbine casing and the midframe. An edge contour () of the opening on the turbine casing side varies along the periphery radially and/or axially.


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