IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0542492
(2012-07-05)
|
등록번호 |
US-9109467
(2015-08-18)
|
발명자
/ 주소 |
- Dalsania, Prakash Bavanjibhai
- Sadhu, Antanu
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
1 인용 특허 :
4 |
초록
▼
An exhaust system for use with a steam turbine is provided. An exhaust hood includes an input and an output, the input receiving fluid from the steam turbine. The exhaust hood includes a first side wall that extends between the input and the output. The first side wall includes an aperture. An eject
An exhaust system for use with a steam turbine is provided. An exhaust hood includes an input and an output, the input receiving fluid from the steam turbine. The exhaust hood includes a first side wall that extends between the input and the output. The first side wall includes an aperture. An ejector is coupled to the exhaust hood. The ejector includes inlets and an outlet. At least one of the inlets receives fluid from the exhaust hood via the aperture.
대표청구항
▼
1. A method of assembling an exhaust system for use with a turbine, said method comprising: coupling an exhaust hood including an input and an output to the turbine such that fluid discharged from the turbine enters the exhaust hood, wherein the exhaust hood is defined by at least a first side wall
1. A method of assembling an exhaust system for use with a turbine, said method comprising: coupling an exhaust hood including an input and an output to the turbine such that fluid discharged from the turbine enters the exhaust hood, wherein the exhaust hood is defined by at least a first side wall that extends from the input to the output and that includes at least one aperture defined therein;coupling a multi-stage ejector to the exhaust hood to facilitate reducing flow separation of fluid flowing through the exhaust hood, the multi-stage ejector comprising a housing, the housing comprising a first end, a second end, and an intermediate section that extends from the first end to the second end, the housing comprising a plurality of inlets and at least one outlet; andcoupling at least one of the plurality of inlets in flow communication with the exhaust hood to receive fluid discharge from the exhaust hood via the at least one aperture. 2. The method in accordance with claim 1, wherein coupling an ejector to the exhaust hood further comprises coupling at least one port to the at least one outlet, wherein the at least one port is defined in a second side wall that extends between the exhaust hood input and output. 3. The method in accordance with claim 1, wherein said method further comprises coupling at least one of the plurality of inlets in flow communication with the at least one aperture such that fluid is channeled from the at least one aperture to at least one of the plurality of inlets. 4. The method in accordance with claim 1, wherein said method further comprises positioning the exhaust hood between a last stage bucket of the turbine and a bearing. 5. The method in accordance with claim 1, wherein said method further comprises coupling the exhaust hood to a condenser such that the condenser receives fluid discharged from the exhaust hood. 6. The method in accordance with claim 1, wherein said method further comprises coupling a header in flow communication with at least one of the plurality of inlets such that high pressure steam is channeled from the header to at least one of the inlets. 7. An exhaust system for use with a turbine, said exhaust system comprising: an exhaust hood comprising an input and an output, said input oriented to receive fluid discharged from the turbine, said exhaust hood further comprising a first side wall that extends between said input and said output, said first side wall comprising at least one aperture defined therein; anda multi-stage ejector coupled to said exhaust hood, said multi-stage ejector comprising a housing, said housing comprising a first end, a second end, and an intermediate section that extends from said first end to said second end, said housing comprising a plurality of inlets and at least one outlet, at least one of said plurality of inlets coupled in flow communication to said exhaust hood to receive fluid discharged from said exhaust hood via said at least one aperture. 8. The exhaust system in accordance with claim 7, wherein said exhaust hood further comprises a second side wall extending between said exhaust hood input and output, said second side wall comprising at least one port defined therein, said port configured to receive fluid discharged from said multi-stage ejector. 9. The exhaust system in accordance with claim 7, wherein one of said plurality of inlets receives fluid drawn from said exhaust hood via said aperture, wherein the fluid is drawn by a vacuum generated by fluid entering another of said plurality of inlets. 10. The exhaust system in accordance with claim 7, wherein said multi-stage ejector facilitates improving diffusion performance within said exhaust hood. 11. The exhaust system in accordance with claim 7, wherein said exhaust hood discharge is coupled in flow communication with a condenser. 12. The exhaust system in accordance with claim 7, wherein said multi-stage ejector facilitates increasing the operating pressure of fluid flowing therethrough. 13. The exhaust system in accordance with claim 7, wherein at least one of said plurality of inlets of said multi-stage ejector and an intermediate section inlet each receive fluid from a header. 14. A steam turbine assembly comprising: a steam turbine that comprises a header; andan exhaust system comprising: an exhaust hood comprising an input and an output, said input oriented to receive fluid discharged from the turbine, said exhaust hood further comprising a first side wall that extends between said input and said output, said first side wall comprising at least one aperture defined therein; anda multi-stage ejector coupled to said exhaust hood, said multi-stage ejector comprising a housing, said housing comprising a first end, a second end, and an intermediate section that extends from said first end to said second end, said housing comprising a plurality of inlets and at least one outlet, at least one of said plurality of inlets coupled in flow communication to said exhaust hood to receive fluid discharged from said exhaust hood via said at least one aperture. 15. The steam turbine assembly in accordance with claim 14, wherein one of said plurality of inlets receives fluid drawn from said exhaust hood via said aperture, wherein the fluid is drawn by a vacuum generated by fluid entering another of said plurality of inlets. 16. The steam turbine assembly in accordance with claim 14, wherein one of said plurality of inlets receives fluid from said header. 17. The steam turbine assembly in accordance with claim 16, wherein the fluid received from said header is high pressure steam. 18. The steam turbine assembly in accordance with claim 14, wherein said exhaust hood further comprises a second side wall that extends between said exhaust hood input and output, said second side wall comprises at least one port defined therein, said port configured to receive fluid discharged from said multi-stage ejector.
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