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:
Oct. 20, 2015
Filed:
Mar. 05, 2012
Thiemo Meeuwissen, Ennetbaden, CH;
Stanka Kokanovic, Berlin, DE;
Susanne Renate Schell, Baden, CH;
Rudolf Lachner, Attenkirchen, DE;
Thiemo Meeuwissen, Ennetbaden, CH;
Stanka Kokanovic, Berlin, DE;
Susanne Renate Schell, Baden, CH;
Rudolf Lachner, Attenkirchen, DE;
ALSTOM TECHNOLOGY LTD., Baden, CH;
Abstract
A method is provided for switching over a gas turbine burner operation from liquid fuel to gas fuel and vice-versa, with the burner comprising nozzles for feeding a premixed gas fuel, nozzles for injecting a pilot gas fuel and nozzles for injecting a liquid fuel. According to the method, while the liquid fuel and the premix gas fuel are regulated to switch over from liquid fuel to gas fuel operation or vice-versa, the pilot gas fuel is controlled at a substantially constant flow rate.