Power plants – Combustion products used as motive fluid – Combustion products generator
Reexamination Certificate
2005-08-11
2009-06-02
Kim, Ted (Department: 3741)
Power plants
Combustion products used as motive fluid
Combustion products generator
C060S747000, C060S748000
Reexamination Certificate
active
07540154
ABSTRACT:
This invention aims to suppress the occurrence of smoke, for example, during a light load operation of a gas turbine, by adopting an air blast method for a pilot nozzle in a dual fuel combustion low NOxcombustor. A gas turbine combustor of the present invention is that in a gas turbine furnished with a dual fuel combustion low NOxcombustor having a pilot nozzle capable of injecting a gaseous fuel and a liquid fuel simultaneously or selectively, and a plurality of main nozzles disposed around the pilot nozzle and being capable of injecting a gaseous fuel and a liquid fuel simultaneously or selectively, wherein the pilot nozzle has a gas nozzle portion for injecting the gaseous fuel, and a liquid nozzle portion for injecting the liquid fuel, adopts an air blast method for the liquid nozzle portion, uses combustion air as air for an air blast, and throws the combustion air at a liquid film formed in the liquid nozzle portion to atomize the liquid fuel by use of a velocity difference.
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Office Action issued Sep. 5, 2008 in Corresponding Chinese Patent Application No. 200610005944.3.
Morton H. Lindsay
Tanimura Satoshi
Zangara Robert D.
Kim Ted
Mitsubishi Heavy Industries Ltd.
Westerman, Hattori, Daniels & Adrian , LLP.
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