최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0135055 (2013-12-19) |
등록번호 | US-9581081 (2017-02-28) |
발명자 / 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 2 인용 특허 : 528 |
A system includes a gas turbine engine that includes a turbine section having one or more turbine stages between an upstream end and a downstream end, an exhaust section disposed downstream from the downstream end of the turbine section, and a fluid supply system coupled to the exhaust section. The
A system includes a gas turbine engine that includes a turbine section having one or more turbine stages between an upstream end and a downstream end, an exhaust section disposed downstream from the downstream end of the turbine section, and a fluid supply system coupled to the exhaust section. The fluid supply system is configured to route an inert gas to the exhaust section.
1. A system, comprising: a gas turbine engine, comprising: a turbine section having one or more turbine stages between an upstream end and a downstream end;an exhaust section disposed downstream from the downstream end of the turbine section;a fluid supply system coupled to the exhaust section, wher
1. A system, comprising: a gas turbine engine, comprising: a turbine section having one or more turbine stages between an upstream end and a downstream end;an exhaust section disposed downstream from the downstream end of the turbine section;a fluid supply system coupled to the exhaust section, wherein the fluid supply system is configured to route an inert gas to the exhaust section, and the inert gas comprises less than 10000 parts per million by volume (ppmv) oxygen; anda bearing assembly disposed within a bearing cavity of a bearing housing, and the fluid supply system is coupled to the bearing housing to route the inert gas to the bearing housing. 2. The system of claim 1, wherein the exhaust section comprises: an exhaust passage in fluid communication with the turbine section; andan inert gas passage coupled to the fluid supply system. 3. The system of claim 2, wherein the inert gas passage is fluidly coupled to the exhaust passage. 4. The system of claim 3, wherein the exhaust section comprises a wall disposed along the exhaust passage, and the inert gas passage is fluidly coupled to the exhaust passage through a plurality of openings in the wall. 5. The system of claim 2, wherein the inert gas passage extends through at least one of an outer shroud cavity surrounding the exhaust passage, an inner shroud cavity surrounded by the exhaust passage, a vane protruding into the exhaust passage, the bearing cavity having the bearing assembly, or a combination thereof. 6. The system of claim 2, wherein the exhaust section comprises: an outer shroud extending circumferentially about the exhaust passage; anda casing extending circumferentially about the outer shroud to define an outer shroud cavity, wherein the inert gas passage extends through the outer shroud cavity. 7. The system of claim 1, wherein the inert gas comprises nitrogen, carbon dioxide, argon, or any combination thereof. 8. The system of claim 1, wherein the fluid supply system is coupled to an air separation unit, a carbon capture system, a gas separator, a gas purifier, a storage tank, a pipeline, or any combination thereof. 9. The system of claim 1, wherein the gas turbine engine comprises: a combustor section having a turbine combustor configured to generate combustion products to drive the one or more turbine stages in the turbine section; anda compressor section having an exhaust gas compressor driven by the turbine section, wherein the exhaust gas compressor is configured to compress and route an exhaust gas to the turbine combustor. 10. The system of claim 9, comprising an exhaust gas extraction system coupled to the gas turbine engine, and a hydrocarbon production system coupled to the exhaust gas extraction system. 11. The system of claim 9, wherein the gas turbine engine is a stoichiometric exhaust gas recirculation (SEGR) gas turbine engine. 12. A method, comprising: combusting a fuel with an oxidant and an exhaust gas in a combustion portion of a turbine combustor to generate combustion products;driving a turbine with the combustion products from the turbine combustor;expanding and cooling the combustion products from the turbine through an exhaust passage in an exhaust section;routing an inert gas from a fluid supply system to the exhaust section, and the inert gas comprises less than 10000 parts per million by volume (ppmv) oxygen; androuting the inert gas through a bearing cavity of the exhaust section, wherein the bearing cavity comprises a bearing assembly. 13. The method of claim 12, comprising routing the inert gas from the fluid supply system to an outer shroud cavity of the exhaust section, wherein the outer shroud cavity is disposed between an outer shroud and a casing of the exhaust section, and the outer shroud extends circumferentially about the exhaust passage. 14. The method of claim 12, comprising routing the inert gas from the fluid supply system to an internal vane cavity of a vane, wherein the vane extends into the exhaust passage of the exhaust section. 15. The method of claim 12, comprising routing the inert gas from the fluid supply system to an inner shroud cavity of the exhaust section, wherein an inner shroud extends circumferentially about the inner shroud cavity, and the exhaust passage extends circumferentially about the inner shroud. 16. A system, comprising: a turbine exhaust section configured to mount downstream from a turbine section of a gas turbine engine, wherein the turbine exhaust section comprises an exhaust passage configured to receive exhaust from the turbine section, an inert gas passage extending through a structure of the turbine exhaust section, and a bearing cavity comprising a bearing assembly; anda fluid supply system coupled to the turbine exhaust section, wherein the fluid supply system is configured to route an inert gas to the inert gas passage in the turbine exhaust section and to the bearing cavity, and the inert gas comprises less than 10000 parts per million by volume (ppmv) oxygen. 17. The system of claim 16, wherein the inert gas passage is isolated from the exhaust passage. 18. The system of claim 16, wherein the fluid supply system comprises a temperature control system, a pressure control system, a moisture removal system, a particulate removal system, or any combination thereof.
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