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:
Jul. 11, 2017

Filed:

May. 16, 2014
Applicant:

GE Avio S.r.l., Rivalta di Torino, IT;

Inventors:

Davide Torzo, Turin, IT;

Ennio Spano, Turin, IT;

Assignee:

GE AVIO S.R.L., Rivalta di Torino, IT;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 1/04 (2006.01); F02C 7/24 (2006.01); F02K 1/82 (2006.01); F01D 9/04 (2006.01); F01D 9/02 (2006.01); F01D 25/24 (2006.01);
U.S. Cl.
CPC ...
F01D 1/04 (2013.01); F01D 9/02 (2013.01); F01D 9/04 (2013.01); F01D 25/24 (2013.01); F02C 7/24 (2013.01); F02K 1/827 (2013.01); F05D 2220/3215 (2013.01); F05D 2230/60 (2013.01); F05D 2260/96 (2013.01); F05D 2260/961 (2013.01); Y10T 29/49245 (2015.01);
Abstract

A low pressure turbine, in particular for a gas turbine engine, extends along an axis, has an annular conduit for guiding a gas flow and is provided with a plurality of stator arrays of blades and a plurality of rotor arrays of blades; the last of the stator arrays, considering the advancement direction of the gas flow, has a plurality of blades, which define a plurality of spaces between them in circumferential direction; the spaces are split by respective splitters into a radially outer conduit and into a radially inner conduit; the radial position of the splitters is in the neighborhood of a radial reference position such that at least one acoustic mode is of the cut-on type in the radially inner conduit.


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