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:
Feb. 19, 2019

Filed:

Jun. 26, 2015
Applicant:

Mtu Aero Engines Ag, Munich, DE;

Inventors:

Axel Mattschas, Starnberg, DE;

Helmut Eibl, Furstenfeldbruck, DE;

Sergio Elorza Gomez, Munich, DE;

Dirk Henrichs, Munich, DE;

Assignee:

MTU AERO ENGINES AG, Munich, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/12 (2006.01); F01D 5/02 (2006.01); F01D 9/04 (2006.01); F01D 5/14 (2006.01); F01D 5/20 (2006.01);
U.S. Cl.
CPC ...
F01D 11/122 (2013.01); F01D 5/02 (2013.01); F01D 5/141 (2013.01); F01D 5/20 (2013.01); F01D 9/04 (2013.01); F01D 11/12 (2013.01); F05D 2240/307 (2013.01); Y02T 50/673 (2013.01);
Abstract

A turbomachine, particularly an aircraft engine, having a rotor, which is mounted rotatably around its longitudinal axis in a stator, and which has at least one row of rotating blades, which is formed by a plurality of rotating blades, is disclosed, wherein the stator has at least one abradable layer, and wherein each rotating blade has a blade tip that is lowered radially inward, at least in sections, proceeding from a leading edge on the side of the rotating blades in the direction of a trailing edge on the side of the rotating blades, and with a blade tip region that extends downstream from the leading edge runs into the abradable layer during operation of the turbomachine.


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