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.

Patent No.:

US 9920645 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 20, 2018

Filed:

Apr. 03, 2013
Applicant:

Mtu Aero Engines Gmbh, Munich, DE;

Inventors:

Inga Mahle, Munich, DE;

Alexander Boeck, Kottgeisering, DE;

Assignee:

MTU AERO ENGINES GMBH, Munich, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 11/08 (2006.01); F01D 5/22 (2006.01); F01D 11/12 (2006.01); B33Y 80/00 (2015.01);
U.S. Cl.
CPC ...
F01D 11/08 (2013.01); F01D 5/225 (2013.01); F01D 11/122 (2013.01); F01D 11/127 (2013.01); B33Y 80/00 (2014.12); F05D 2240/55 (2013.01); Y02T 50/673 (2013.01);
Abstract

Disclosed is a sealing system for a turbomachine, in particular for a gas turbine, the sealing system being formed in an annular space between a flow-limiting wall of the turbomachine and at least one rotor blade tip of a rotor blade or an outer shroud arranged on the rotor blade tip, and comprising at least one sealing point. The sealing point comprises at least one run-in coating arranged on the rotor blade tip or on the outer shroud in the direction of the flow-limiting wall of the turbomachine. The invention furthermore encompasses a gas turbine comprising the sealing system.


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