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.

Date of Patent:
Mar. 10, 2020

Filed:

Dec. 27, 2017
Applicant:

Ansaldo Energia Switzerland Ag, Baden, CH;

Inventors:

Susanne Renate Schell, Baden, CH;

Martin Liebau, Rütihof, CH;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 9/26 (2006.01); F02C 3/30 (2006.01); F02C 7/232 (2006.01); F01D 21/00 (2006.01); F23R 3/28 (2006.01); F02C 7/22 (2006.01);
U.S. Cl.
CPC ...
F02C 9/26 (2013.01); F01D 21/00 (2013.01); F02C 3/30 (2013.01); F02C 7/222 (2013.01); F02C 7/232 (2013.01); F23R 3/28 (2013.01); F05D 2260/602 (2013.01); F05D 2270/31 (2013.01);
Abstract

A method for operating a supply assembly configured for supplying fuel gas and an inert purge media to a gas turbine combustor, the method including supplying fuel gas in a fuel gas circuit with an upper flow rate; reducing the fuel gas flow rate in the fuel gas circuit from the upper flow rate to a lower flow rate; stopping the supply of the fuel gas in the fuel gas circuit; and starting the supply of the inert purge media in the inert purge media circuit, wherein the starting is performed before the stopping to have a temporary parallel supply of fuel gas and of inert purge media to a fuel distribution system.


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