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.:
Date of Patent:
Nov. 19, 2019
Filed:
Nov. 30, 2016
Mtu Aero Engines Ag, Munich, DE;
Petra Kufner, Poing, DE;
Walter Gieg, Eichenau, DE;
Rudolf Stanka, Rattenkirchen, DE;
René Schneider, Ottobrunn, DE;
Norman Cleesattel, Zorneding, DE;
Joachim Lorenz, Altomuenster, DE;
MTU AERO ENGINES AG, Munich, DE;
Abstract
The invention relates to a run-in coating () for an outer air seal of a turbomachine, especially of an aero engine, comprising a substrate () of segmented form which carries a honeycomb structure () with an run-in surface () to face rotor blades of a rotor of the turbomachine, wherein a radial thickness of the honeycomb structure () varies in the circumferential direction. The invention furthermore relates to an outer air seal for a turbomachine and also to a turbomachine with an outer air seal.