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:
Jul. 06, 2021
Filed:
Dec. 03, 2019
Applicant:
General Electric Technology Gmbh, Baden, CH;
Inventors:
Mageshwaran Ramesh, Zurich, CH;
Thomas Schreier, Neuenhof, CH;
Ingo Kuehn, Wettingen, CH;
Gregoire Etienne Witz, Birmenstorf, CH;
Assignee:
GENERAL ELECTRIC TECHNOLOGY GMBH, Baden, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 5/08 (2006.01); F01D 5/06 (2006.01);
U.S. Cl.
CPC ...
F01D 5/08 (2013.01); F01D 5/06 (2013.01); F05D 2220/31 (2013.01); F05D 2300/611 (2013.01);
Abstract
The invention relates to a steam turbine rotor wherein the inter blade region rotor surface, the feed region rotor surface, the piston region rotor surface and the stress relief groove rotor surface of the rotor are configured and arranged as steam exposed surfaces during normal operation of the steam turbine rotor. The steam turbine rotor has a thermal barrier coating on at least the piston region rotor surface.