Transition duct with late injection in turbine system
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F23R-003/34
F01D-009/02
F23R-003/06
F23R-003/28
F23R-003/46
출원번호
US-0459516
(2012-04-30)
등록번호
US-9133722
(2015-09-15)
발명자
/ 주소
LeBegue, Jeffrey Scott
Pentecost, Ronnie Ray
Flanagan, James Scott
Kim, Won-Wook
McMahan, Kevin Weston
출원인 / 주소
General Electric Company
대리인 / 주소
Dority & Manning, P.A.
인용정보
피인용 횟수 :
5인용 특허 :
31
초록▼
A system for supplying an injection fluid to a combustor is disclosed. The system includes a transition duct comprising an inlet, an outlet, and a passage extending between the inlet and the outlet and defining a longitudinal axis, a radial axis, and a tangential axis. The outlet of the transition d
A system for supplying an injection fluid to a combustor is disclosed. The system includes a transition duct comprising an inlet, an outlet, and a passage extending between the inlet and the outlet and defining a longitudinal axis, a radial axis, and a tangential axis. The outlet of the transition duct is offset from the inlet along the longitudinal axis and the tangential axis. The passage defines a combustion chamber. The system further includes a tube providing fluid communication for the injection fluid to flow through the transition duct and into the combustion chamber.
대표청구항▼
1. A system for supplying an injection fluid to a combustor, the injection fluid comprising a fuel, the system comprising: a transition duct comprising an inlet, an outlet, and a passage extending between the inlet and the outlet and defining a longitudinal axis, a radial axis, and a tangential axis
1. A system for supplying an injection fluid to a combustor, the injection fluid comprising a fuel, the system comprising: a transition duct comprising an inlet, an outlet, and a passage extending between the inlet and the outlet and defining a longitudinal axis, a radial axis, and a tangential axis, the outlet of the transition duct offset from the inlet along the longitudinal axis and the tangential axis, the passage defining a combustion chamber;an impingement sleeve circumferentially surrounding at least a portion of the transition duct; anda tube providing fluid communication for the injection fluid to flow through the transition duct and impingement sleeve and into the combustion chamber, the tube extending through the transition duct and the impingement sleeve. 2. The system of claim 1, further comprising a fuel conduit providing fluid communication for flowing the fuel into the tube. 3. The system of claim 2, further comprising a fuel port in fluid communication with the tube through the fuel conduit. 4. The system of claim 1, wherein an inlet of the tube is in fluid communication with a casing surrounding the transition duct to flow a working fluid into the tube. 5. The system of claim 1, wherein an inner surface of the transition duct at least partially defines a trailing edge, and wherein an outlet of the tube is defined in the trailing edge. 6. The system of claim 1., wherein the outlet of the transition duct is further offset from the inlet along the radial axis. 7. The system of claim 1, further comprising a turbine section in communication with the transition duct, the turbine section comprising a first stage bucket assembly. 8. The system of claim 7, wherein no nozzles are disposed upstream of the first stage bucket assembly. 9. A system for supplying an injection fluid in a turbine system, the injection fluid comprising a fuel, the system comprising: a plurality of transition ducts disposed in a generally annular array, each of the plurality of transition duets comprising an inlet, an outlet, and a passage extending between the inlet and the outlet and defining a longitudinal axis, a radial axis, and a tangential axis, the outlet of the transition duct offset from the inlet along the longitudinal axis and the tangential axis, the passage of each of the plurality of transition ducts defining a combustion chamber;a plurality of impingement sleeves each circumferentially surrounding at least a portion of one of the plurality of transition ducts; anda plurality of tubes each providing fluid communication for the injection fluid to flow through one of the plurality of transition ducts and one of the plurality of impingement sleeves and into the combustion chamber of that transition duct, each of the plurality of tubes extending through one of the plurality of transition ducts and one of the plurality of impingement sleeves. 10. The system of claim 9, further comprising a fuel conduit providing fluid communication for flowing the fuel into each of the plurality of tubes. 11. The system of claim 10, further comprising a fuel port in fluid communication with each of the plurality of tubes through each fuel conduit. 12. The system of claim 9, wherein an inlet of each of the plurality of tubes is in fluid communication with a casing surrounding the transition duct to flow a working fluid into that tube. 13. The system of claim 9, wherein an inner surface of each of the plurality of transition ducts at least partially defines a trailing edge, and wherein an outlet of each of the plurality of tubes is defined in the trailing edge of one of the plurality of transition ducts. 14. The system of claim 9, wherein the outlet of each of the plurality of transition ducts is further offset from the inlet of that transition duct along the radial axis. 15. The system of claim 9, further comprising a turbine section in communication with the plurality of transition ducts, the turbine section comprising a plurality of first stage bucket assemblies. 16. The system of claim 15, wherein no nozzles are disposed upstream of the first stage bucket assemblies. 17. A system for supplying an injection fluid in a turbine system, the injection fluid comprising a fuel, the system comprising: a plurality of transition ducts disposed in a generally annular array, each of the plurality of transition ducts comprising an inlet, an outlet, and a passage extending between the inlet and the outlet and defining a longitudinal axis, a radial axis, and a tangential axis, the outlet of the transition duct offset from the inlet along the longitudinal axis and the tangential axis, the passage of each of the plurality of transition ducts defining a combustion chamber; anda plurality of tubes each providing fluid communication for the injection fluid to flow through one of the plurality of transition ducts and into the combustion chamber of that transition duct,wherein contact faces of adjacent transition ducts of the plurality of transition ducts form an airfoil shape defining a pressure side, a suction side, and a trailing edge between the pressure side and the suction side, and wherein an outlet of each of the plurality of tubes is defined in one of the pressure side, the suction side or the trailing edge of one of the plurality of transition ducts. 18. The system of claim 17, wherein the outlet of each of the plurality of tubes is defined in the trailing edge of one of the plurality of transition ducts.
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이 특허에 인용된 특허 (31)
Steber Charles E. (Scotia NY), Aft mounting system for combustion transition duct members.
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Kondo, Mitsuru; Hada, Satoshi; Tanaka, Katsunori, Transition piece outlet structure enabling to reduce the temperature, and a transition piece, a combustor and a gas turbine providing the above output structure.
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