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:
Oct. 26, 2021

Filed:

Aug. 21, 2017
Applicant:

Mtu Aero Engines Ag, Munich, DE;

Inventors:

Lothar Albers, Munich, DE;

Alexander Boeck, Kottgeisering, DE;

Assignee:

MTU Aero Engines AG, Munich, DE;

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
F01D 25/24 (2006.01); F01D 9/04 (2006.01); F01D 5/30 (2006.01);
U.S. Cl.
CPC ...
F01D 25/246 (2013.01); F01D 5/303 (2013.01); F01D 9/041 (2013.01); F01D 9/042 (2013.01); F05D 2230/644 (2013.01); F05D 2240/14 (2013.01); F05D 2250/141 (2013.01); F05D 2260/941 (2013.01);
Abstract

The invention relates to a positioning element for a guide vane arrangement of a guide vane stage of a gas turbine, with at least one base section curved in the peripheral direction; a plurality of uptake openings arranged next to each other in the peripheral direction on the base section, whose aperture axis runs substantially in the radial direction and which are designed to take up a respective radially inner guide vane section; a coupling section provided on the base section, which is or can be coupled to a seal carrier of a seal arrangement. According to the invention, it is proposed that at least one recess is provided in the base section, which is arranged between two neighboring uptake openings and runs from inside to outside at least in the radial direction.


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