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:
Apr. 21, 2020

Filed:

Nov. 30, 2016
Applicant:

Mtu Aero Engines Ag, Munich, DE;

Inventors:

Lothar Albers, Munich, DE;

Georg Zotz, Haimhausen, DE;

Vitalis Mairhanser, Sigmertshausen, DE;

Assignee:

MTU Aero Engines AG, Munich, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/00 (2006.01); F01D 17/16 (2006.01); F01D 25/16 (2006.01); F01D 9/04 (2006.01);
U.S. Cl.
CPC ...
F01D 11/003 (2013.01); F01D 9/041 (2013.01); F01D 17/162 (2013.01); F01D 25/162 (2013.01); F05D 2220/32 (2013.01); F05D 2240/55 (2013.01);
Abstract

An inner ring according to the invention for a guide vane cascade of a turbomachine has a radially outer inner ring surface as well as a plurality of bearing mounts for a respective guide vane plate of a guide vane. The bearing mounts each have an opening in the outer inner ring surface as well as a bottom face lying radially opposite the opening. At least two of the bearing mounts are separated from each other by a separating wall and are connected to each other in a region of their bottom face by a through-opening. A guide vane cascade according to the invention for a turbomachine has an inner ring according to the invention and a plurality of guide vanes inserted into the bearing mounts.


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