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. 10, 2019
Filed:
Apr. 29, 2015
Applicant:
Ansaldo Energia Switzerland Ag, Baden, CH;
Inventors:
Michael Seemann, Laufenburg, DE;
Thomas Schnittger, Wettingen, CH;
Marcel Timper, Baden, CH;
Patrik Sondej, Windisch, CH;
Frigyes Szuecs, Langenbruck, CH;
Assignee:
ANSALDO ENERGIA SWITZERLAND AG, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23P 6/00 (2006.01); F01D 5/00 (2006.01); F01D 5/20 (2006.01); B23K 9/167 (2006.01); B23K 9/173 (2006.01); B23K 26/342 (2014.01); F01D 5/18 (2006.01); B23K 101/00 (2006.01);
U.S. Cl.
CPC ...
B23P 6/007 (2013.01); B23K 9/167 (2013.01); B23K 9/173 (2013.01); B23K 26/342 (2015.10); B23P 6/002 (2013.01); F01D 5/005 (2013.01); F01D 5/187 (2013.01); F01D 5/20 (2013.01); B23K 2101/001 (2018.08); F05D 2220/30 (2013.01); F05D 2230/12 (2013.01); F05D 2230/234 (2013.01); F05D 2230/235 (2013.01); F05D 2230/80 (2013.01); F05D 2240/307 (2013.01);
Abstract
A method is disclosed for repairing a precision casted turbine blade having a squealer and at least one letterbox which was closed by brazing during new-part manufacturing, wherein the letterbox area was damaged during operation in the first life cycle of the blade.