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:
Sep. 02, 2014
Filed:
Oct. 29, 2010
Sophie Duval, Zürich, CH;
Piero-daniele Grasso, Niederweningen, CH;
Sven Olliges, Brüttisellen, CH;
Joergen Ferber, Wutoeschingen, DE;
Alexander Stankowski, Würenlingen, CH;
Sophie Duval, Zürich, CH;
Piero-Daniele Grasso, Niederweningen, CH;
Sven Olliges, Brüttisellen, CH;
Joergen Ferber, Wutoeschingen, DE;
Alexander Stankowski, Würenlingen, CH;
Alstom Technology Ltd., Baden, CH;
Abstract
An abradable coating system (-) for a turbine or a compressor is proposed has at least one layer of woven or non-woven tissue () or foam made of: ceramic, glass, glass-ceramic, ceramic-metal composite and combinations thereof. A free-standing preformed element () has at least one layer of such a woven or non-woven tissue or foam is filled with fillers and/or binder. A method prepares such a system. Finally, a method for the repair of an abradable coating portion of a turbine or the compressor component () includes in a first optional step that the damaged portion is at least partly removed and/or cleaned and/or surface treated, and in a second step at least one free-standing preformed abradable coating element () or a complete abradable coating system is attached to the component (), preferably by using a matrix, wherein for example only a center part () or a fraction of a center part () is replaced.