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US 2011/0232296 A1Published application
Optical fuel nozzle flashback detector
AssigneeGeneral Electric Company
InventorGarth Curtis Frederick
Life of this patent
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Abstract
According to one aspect of the invention, a combustor is disclosed. The combustor can include a combustor housing, a plurality of nozzles disposed within the combustor housing, and a flame detector disposed on and in optical communication with each of the plurality of fuel nozzles, wherein each flame detector is configured to detect an optical property related to at least one of a flame holding condition and a flashback condition in a respective fuel nozzle.
Claims20
A combustor, comprising:
- a combustor housing;
- a plurality of nozzles disposed within the combustor housing;
- and
- a flame detector disposed on and in optical communication with each of the plurality of fuel nozzles,
- wherein each flame detector is configured to detect an optical property related to at least one of a flame holding condition and a flashback condition in a respective fuel nozzle.
2 more elements
A gas turbine, comprising:
- a compressor configured to compress air;
- a combustor in flow communication with the compressor, the combustor being configured to receive compressed air from the compressor assembly and to combust a fuel stream to generate a combustor exit gas stream, the combustor comprising:
- a plurality of nozzles disposed within the combustor housing;
- and
- a flame detector disposed on and in optical communication with each of the plurality of fuel nozzles,
- wherein each flame detector is configured to detect an optical property related to at least one of a flame holding condition and a flashback condition in a respective fuel nozzle.
3 more elements
A method of operating a combustor, the method comprising:
- introducing fuel from a nozzle and air within a premixing device;
- forming a gaseous pre-mix;
- combusting the gaseous pre-mix in a combustion chamber, thereby generating a flame;
- and
- monitoring the nozzle to determine the presence of flame holding within the nozzle.
2 more elements
Dependencies are inferred from the claim text.