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. 15, 2016
Filed:
Aug. 03, 2011
Jürgen Rösing, Sehnde, DE;
Frank Seidel, Isernhagen H.B., DE;
Lutz Winkler, Wunstorf, DE;
Bernd Kriegl, Olching, DE;
Thomas Uihlein, Dachau, DE;
Martin Dürr, München, DE;
Fabian Moritz, München, DE;
Jürgen Rösing, Sehnde, DE;
Frank Seidel, Isernhagen H.B., DE;
Lutz Winkler, Wunstorf, DE;
Bernd Kriegl, Olching, DE;
Thomas Uihlein, Dachau, DE;
Martin Dürr, München, DE;
Fabian Moritz, München, DE;
MTU AERO ENGINES GMBH, Munich, DE;
Abstract
The invention relates to a method for cleaning a turbo-machine stage () consisting of at least one of the following steps: a cleaning nozzle () is introduced into an opening of a turbo-machine, in particular into an inspection opening (); and the blade () of the stage is acted upon by solid particles, said particles subliming at the blade temperature, in particular into dry ice particles.