[특허]Methods to facilitate extending gas turbine engine useful life

General Electric Company

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특허 상세정보

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Methods to facilitate extending gas turbine engine useful life

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B23P-006/00
미국특허분류(USC)	029/889.1; 029/889.22; 029/402.08
출원번호	US-0251679 (2005-10-17)
등록번호	US-8327538 (2012-12-11)
발명자 / 주소	Wang, Yu Pitman, Michael Lu, Wen Janawitz, Jamison
출원인 / 주소	General Electric Company
대리인 / 주소	General Electric Company
인용정보	피인용 횟수 : 0 인용 특허 : 18

초록
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A method facilitates extending the useful life of a turbine engine including a combustor and a turbine downstream from and in flow communication with the combustor. The method comprises identifying at least a portion of the combustor that is at least one of distressed, worn, deteriorated, satisfied pre-determined threshold data, and beyond serviceable limits, identifying at least one enhancement kit for installation within the combustor, and removing at least two portions of the combustor including at least two of a combustor dome assembly, a swirler/cow...

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1. A method to facilitate extending the useful life of a turbine engine including a combustor and a turbine downstream from and in flow communication with the combustor, said method comprising: identifying at least a portion of the combustor that is at least one of distressed, worn, deteriorated, based on pre-determined threshold data, and beyond serviceable limits;identifying at least two enhancement kits for installation within the combustor, wherein at least one of the enhancement kits does not include the identified portion of the combustor;removing at least two portions of the combustor including at least two portions of the group of portions consisting of: a combustor dome assembly, a swirler/cowl assembly, and a combustor inner and outer liner; andinstalling the at least two enhancement kits within the turbine engine such that a useful life of the turbine engine is facilitated to be increased, wherein the at least two enhancement kits are at least one of modified and retrofit versions of the at least two portions of the combustor removed wherein installing the at least two enhancement kits comprises installing at least one of a modified and retrofit version of each of the following: a dome assembly within the combustor; a swirler/cowl assembly within the combustor; a inner liner and outer liner; and the portion of the turbine comprising a turbine nozzle. 2. A method in accordance with claim 1 wherein installing the at least two enhancement kits within the turbine engine further comprises installing the retrofit dome assembly within the combustor that includes at least one premixer cup having an axial length that is shorter than an axial length of the dome assembly premixer cup removed from the combustor. 3. A method in accordance with claim 1 wherein installing the at least two enhancement kits within the turbine engine further comprises installing the retrofit dome assembly within the combustor that includes at least one premixer cup having substantially smooth and un-dimpled flow surfaces. 4. A method in accordance with claim 1 wherein installing the at least two enhancement kits within the turbine engine further comprises installing the retrofit dome assembly within the combustor that is coated with a thermal barrier coating. 5. A method in accordance with claim 1 wherein installing the at least two enhancement kits within the turbine engine further comprises installing a retrofit swirler assembly within the combustor that includes at least one swirler that has a diameter that is larger than a diameter of a swirler removed from the combustor. 6. A method in accordance with claim 1 wherein installing the at least two enhancement kits within the turbine engine further comprises installing a retrofit cowl assembly within the combustor that includes at least one nozzle eyelet that has a larger diameter than at least one nozzle eyelet removed from the combustor to facilitate accommodating at least one of misalignment and thermal growth differentials between the fuel nozzles and the retrofit cowl assembly. 7. A method in accordance with claim 1 wherein installing the at least two enhancement kits within the turbine engine further comprises installing a retrofit inner liner and outer liner within the combustor that are fabricated from a material having intrinsic material properties that are enhanced in comparison to the material used in fabricating the inner and outer liners removed from the combustor. 8. A method in accordance with claim 1 wherein installing the at least two enhancement kits within the turbine engine further comprises at least one of modifying and retrofitting at least a portion of the turbine extending downstream from the combustor when the portions of the combustor are retrofitted. 9. A method in accordance with claim 1 further comprising: removing at least one of a turbine nozzle, a turbine blade, a turbine shroud, and a thermal shield from the turbine engine; andinstalling, within the turbine engine, at least one of a retrofit turbine nozzle, turbine blade, turbine shroud, and thermal shield fabricated from a material having intrinsic material properties that are enhanced in comparison to the material used in fabricating the turbine components removed from the engine. 10. A method to facilitate extending the useful life of a turbine engine, said method comprising: determining threshold data for at least one component within at least one of a combustor within the turbine engine and a turbine within the turbine engine and downstream from the combustor;identifying components warranting service based on the pre-determined threshold data;removing at least a portion of the combustor and a portion of the turbine extending downstream from the combustor of the turbine engine; andimplementing an enhancement kit within the turbine engine such that a portion of the combustor and a portion of the turbine are at least one of modified and retrofit to facilitate extending a useful life of the turbine engine, and a portion of the turbine engine other than the identified components warranting service are at least one of modified and retrofit wherein implementing an enhancement kit within the turbine engine comprises installing each of the following: a retrofit dome assembly within the combustor; a retrofit swirler/cowl assembly within the combustor; a retrofit inner liner and outer liner; and a portion of the turbine extending downstream from the combustor comprising a turbine nozzle. 11. A method in accordance with claim 10 wherein removing at least a portion of the combustor and a portion of the turbine further comprises removing at least two of a combustor dome assembly, a combustor swirler/cowl assembly, and the combustor inner and outer liners from the turbine engine. 12. A method in accordance with claim 10 wherein implementing an enhancement kit within the turbine engine further comprises installing the retrofit dome assembly within the combustor that includes at least one premixer cup having an axial length that is shorter than an axial length of the dome assembly premixer cup removed from the combustor. 13. A method in accordance with claim 10 wherein implementing an enhancement kit within the turbine engine further comprises installing the retrofit dome assembly within the combustor that includes at least one premixer cup having substantially smooth flow surfaces. 14. A method in accordance with claim 10 wherein implementing an enhancement kit within the turbine engine further comprises installing the retrofit dome assembly within the combustor that is coated with a thermal barrier coating. 15. A method in accordance with claim 10 wherein implementing an enhancement kit within the turbine engine further comprises installing a retrofit swirler assembly within the combustor that includes at least one swirler that has a diameter that is larger than a diameter of a swirler removed from the combustor. 16. A method in accordance with claim 10 wherein implementing an enhancement kit within the turbine engine further comprises installing a retrofit cowl assembly within the combustor that includes at least one nozzle eyelet that has a larger diameter than at least one nozzle eyelet removed from the combustor. 17. A method in accordance with claim 10 wherein implementing an enhancement kit within the turbine engine further comprises installing the retrofit inner outer liner within the combustor that are fabricated from a material having intrinsic material properties that are enhanced in comparison to the material used in fabricating the inner and outer liners removed from the combustor. 18. A method in accordance with claim 10 wherein implementing an enhancement kit within the turbine engine further comprises installing at least one of a retrofit turbine nozzle, turbine blade, turbine shroud, and thermal shield within the turbine engine.

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Methods to facilitate extending gas turbine engine useful life

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Methods to facilitate extending gas turbine engine useful life

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