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:
Jan. 02, 2024
Filed:
Nov. 09, 2016
Oerlikon Surface Solutions Ag, Pfäffikon, Pfäffikon, CH;
Scott Wilson, Zurich, CH;
Canet Acikgoz Dorokin, Zurich, CH;
Florian Rovere, Warwick, RI (US);
Olivier Jarry, Cologne, DE;
Montia Nestler, Ridgefield, NJ (US);
OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON, Pfäffikon, CH;
Abstract
The present invention discloses a turbine engine with at least a high pressure and a low pressure turbine section comprising a casing and at least one turbine blade rotatably mounted within the casing wherein at least part of the inner surface of the casing is covered with shrouds as abradables to provide clearance control between the inner surface and the tip of the at least one blade and wherein the tip of the blade is coated with a hard PVD coating, characterized in that the shroud material of at least the high pressure and/or the low pressure section comprises a porous ceramic based material and the hard PVD coating on the tip of the blade essentially consists of a droplet free nitride coating.