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:
May. 03, 2016
Filed:
Sep. 29, 2012
Applicant:
Alstom Technology Ltd., Baden, CH;
Inventors:
Sigurd Kubel, Ehrendingen, CH;
Rolf Hunziker, Dintikon, CH;
Assignee:
ALSTOM TECHNOLOGY LTD, Baden, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01D 5/30 (2006.01); B23P 6/00 (2006.01); F01D 5/00 (2006.01); F01D 5/28 (2006.01);
U.S. Cl.
CPC ...
F01D 5/005 (2013.01); B23P 6/005 (2013.01); F01D 5/282 (2013.01); F01D 5/3007 (2013.01); Y02T 50/672 (2013.01); Y10T 29/49318 (2015.01);
Abstract
A method of replacing rotating metal blades of a steam turbine inserted into a rotor having one or more existing grooves for inserting root sections of the metal blades is described, the method including the steps of providing replacement blades having radially inwards directed root sections of fiber-reinforced composite material, changing the shape of the one or more grooves in the rotor to form a cavity for the insertion of the root sections of fiber-reinforced composite material and inserting the replacement blades into the rotor.