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:
Feb. 23, 2021
Filed:
Apr. 26, 2018
Applicant:
Siemens Aktiengesellschaft, München, DE;
Inventors:
Assignee:
SIEMENS AKTIENGESELLSCHAFT, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/00 (2006.01); B23P 6/00 (2006.01);
U.S. Cl.
CPC ...
F01D 5/005 (2013.01); B23P 6/005 (2013.01); F05D 2230/80 (2013.01);
Abstract
Provided is a method for maintaining an axial-flow turbomachine, which has a support structure and a plurality of axially adjacent guide vane rings each of which has a plurality of guide vanes, each guide vane having at least one platform, the platforms being fastened to the support structure by means of retaining elements, wherein facing platform end faces of axially adjacent guide vanes define sealing sections made of a metal material, the sealing sections being associated with each other and jointly forming a sealing assembly.